Entries |
Document | Title | Date |
20080199772 | Metal Fluoride And Phosphate Nanocomposites As Electrode Materials - The present invention relates to primary and secondary electrochemical energy storage systems. More particularly, the present invention relates to such systems as battery cells, especially battery cells utilizing metal fluorides with the presence of phosphates or fluorophosphates, which use materials that take up and release ions as a means of storing and supplying electrical energy. | 08-21-2008 |
20080199773 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery, comprising a positive electrode having a positive-electrode active material layer reversibly inserting and extracting lithium ions on a positive-electrode current collector, a negative electrode having a negative-electrode active material layer reversibly inserting and extracting lithium ions on a negative-electrode current collector, and a nonaqueous electrolyte solution, wherein at least one of the positive and negative electrodes has a film on the surface and at least one of the positive electrode, the negative electrode and the nonaqueous electrolyte solution contains a nitrogen-containing cyclic compound. Such a nonaqueous electrolyte secondary battery is superior in high-temperature storage stability allowing preservation of favorable discharge rate even after high-temperature storage. | 08-21-2008 |
20080220329 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR AN ELECTRICITY STORAGE DEVICE AND METHOD FOR MANUFACTURING THE SAME - To provide a negative electrode active material for an electricity storage device, which has considerably enhanced low-temperature characteristic, increased energy density, and increased output power. A negative electrode active material is made of a carbon composite containing carbon particles as a core and a fibrous carbon having a graphene structure, which is formed on the surfaces and/or the inside of the carbon particles, wherein the carbon composite has a volume of all mesopores within 0.005 to 1.0 cm | 09-11-2008 |
20080241681 | Proton conducting electrolyte and electrochemical cell including proton conducting electrolyte - A proton conducting electrolyte having good proton conductivity and an electrochemical cell that includes the proton conducting electrolyte are provided. The proton conducting electrolyte has the ABO | 10-02-2008 |
20080254361 | Non-Aqueous Electrolyte for Battery and Non-Aqueous Electrolyte Secondary Battery Comprising the Same - This invention relates to a non-aqueous electrolyte for a battery capable of simultaneously establishing a high flame retardance and excellent battery performances, and more particularly to a non-aqueous electrolyte for a battery comprising a non-aqueous solvent and a support salt, characterized in that the non-aqueous electrolyte for the battery further contains a fluorophosphate compound represented by the following general formula (I): | 10-16-2008 |
20080254362 | NANO-COMPOSITE STRUCTURES, METHODS OF MAKING, AND USE THEREOF - The present invention relates to a nano-composite structure containing nanostructured carbon and nanoparticles. Also disclosed are methods of making the nano-composite structures. The present invention also relates to a lithium ion battery, a capacitor, a supercapacitor, a battery/capacitor, or a fuel cell containing the nano-composite structures of the present invention. | 10-16-2008 |
20080286648 | ELECTROLYTIC SOLUTION AND BATTERY - A battery capable of securing the cycle characteristics and the storage characteristics is provided. The battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated in a separator provided between the cathode and the anode. The electrolytic solution contains a solvent, an electrolyte salt, and a sulfone compound having a given structure (sulfonic acid, carboxylic acid anhydride not having an aromatic ring). Compared to a case that an electrolytic solution does not contain the foregoing sulfone compound, the decomposition reaction of the electrolytic solution is prevented. | 11-20-2008 |
20080286649 | ADDITIVES FOR INCREASING ION CONDUCTIVITY OF MOLTEN SALT TYPE ELECTROLYTE IN BATTERY - A lithium-ion battery comprises a negative electrode, a positive electrode, and an electrolyte containing a molten salt, a lithium salt, and an electrolyte additive. The electrolyte additive is chosen to increase the lithium ion conductivity of electrolyte. The electrolyte additive may be an organic, additive, such as an organic carbonate. In other examples, the electrolyte additive provides a source of alkali metal cations other than lithium, such as potassium, sodium, and/or cesium ions. An analogous approach can be taken for batteries using ionic species other than lithium. | 11-20-2008 |
20080292959 | Positive Electrode and Non-Aqueous Electrolyte Secondary Battery Using the Same - An object of the invention is to provide a positive electrode of an inexpensive material capable of sufficiently storing and releasing ions, and another object is to provide an inexpensive non-aqueous electrolyte secondary battery that allows reversible charge and discharge to be carried out. The positive electrode according to the invention includes an oxide containing potassium and manganese, and the non-aqueous electrolyte secondary battery according to the invention includes a positive electrode, a negative electrode, and a non-aqueous electrolyte containing potassium ions. The positive electrode includes an oxide containing potassium and manganese. | 11-27-2008 |
20090004563 | SUBSTITUTED LITHIUM TITANATE SPINEL COMPOUND WITH IMPROVED ELECTRON CONDUCTIVITY AND METHODS OF MAKING THE SAME - Materials with improved electron conductivity for use in rechargeable lithium ion electrochemical cells include, but are not limited to, lithium titanate spinels of the formula Li | 01-01-2009 |
20090029248 | Nonaqueous electrolyte and secondary battery containing same - Provided is a non-aqueous electrolyte for a secondary battery including a non-aqueous solvent, a solute dissolved in the non-aqueous solvent, and an additive, in which the additive includes an unsaturated chain hydrocarbon compound having two or more carbon-carbon unsaturated bonds and including a main chain having five or more carbon atoms. The unsaturated chain hydrocarbon compound preferable as the additive is 1,3-hexadiene or 2,4-hexadiene. The amount of the unsaturated chain hydrocarbon compound is preferably 0.1 to 10 parts by weight per 100 parts by weight of the non-aqueous solvent. | 01-29-2009 |
20090029249 | NONAQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - A nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The positive electrode contains active material particles and a coating material. The active material particles are represented by any one of the following formulae (1) to (3) and have an average particle diameter of 0.1 to 10 μm. The coating material comprises at least particles having an average particle diameter of 60 nm or less or layers having an average thickness of 60 nm or less. The particles or the layers contain at least one element selected from the group consisting of Mg, Ti, Zr, Ba, B and C. | 01-29-2009 |
20090035655 | Crosslinkable composition for a battery electrolyte - The field of the present invention relates to the field of batteries and of polymer electrolytes for batteries and more particularly to the field of lithium batteries. | 02-05-2009 |
20090053596 | Alkali Metal Battery - A storage battery is provided comprising appositive electrode of lead, a negative electrode of mercury, and an electrolyte consisting of an aqueous solution of a salt of an alkali metal. Upon charging the battery, lead is converted to lead dioxide and the alkali metal forms the amalgam with the mercury. During discharge, the lead dioxide is reduced to the plumbous state and the alkali metal is oxidized to the positive ion and goes into solution. The mercury is immobilized in one of several alternative ways. | 02-26-2009 |
20090053597 | ELECTROLYTE COMPOSITION USED IN CHARGE STORAGE DEVICE AND STORAGE DEVICE USING THE SAME - The present invention provides an electrolyte composition used in a charge storage device, which comprises an ionic liquid that has high ionic conductivity and is highly safe with no risks of inflammation and the like. It is an electrolyte composition used in a charge storage device, which comprises a quaternary phosphonium salt ionic liquid represented by general formula (1) as described below. The viscosity at 25° C. of this ionic liquid is preferably 200 mPa·sec or less. In the general formula (1), it is preferable that the alkoxyalkyl group be a methoxymethyl group and that all the alkyl groups be ethyl groups. | 02-26-2009 |
20090075170 | Continuous-feed electrochemical cell - A continuous-feed electrochemical cell with a cell body having a cell cavity defined by at least two cavity walls. One of the cavity walls is a cavity wall that is inclined to vertical. A series of barriers are connected to the cavity wall that is inclined to vertical. Electrochemically active particles are contained within the cell cavity. An electrolyte solution is also contained within the cell cavity. A cathode current collector is operatively connected to the cavity wall that is inclined to vertical, to the electrochemically active particles, and to the electrolyte solution. An anode current collector is operatively connected to the cavity wall that is inclined to vertical, to the electrochemically active particles, and to the electrolyte solution. | 03-19-2009 |
20090081543 | Microporous Polyolefin Membrane And Manufacturing Method - A microporous polyolefin membrane having a structure in which its pore size distribution curve obtained by mercury intrusion porosimetry has at least two peaks, which is produced by extruding a melt-blend of a polyolefin composition comprising (a) high density polyethylene resin having a weight average molecular weight of from about 2.5×10 | 03-26-2009 |
20090087739 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND METHOD FOR MOUNTING THE SAME - A non-aqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a non-aqueous electrolyte interposed between the positive electrode and the negative electrode. The positive electrode includes an active material capable of reversibly absorbing and desorbing lithium. The negative electrode includes an active material of the same composition as that of the active material of the positive electrode. This non-aqueous electrolyte secondary battery does not generate voltage until being charged. Also, in the case of reflow mounting, charging the battery after mounting will avoid having an adverse effect on the components mounted on the substrate. | 04-02-2009 |
20090092899 | NAN0-SIZED SILICON - A method includes combining fumed silicon oxide with a metal to form silicon having an average particle size of less than approximately 100 nm. The silicon can be incorporated into an anode of a lithium ion cell. | 04-09-2009 |
20090104523 | High elastic modulus polymer electrolytes suitable for preventing thermal runaway in lithium batteries - A polymer that combines high ionic conductivity with the structural properties required for Li electrode stability is useful as a solid phase electrolyte for high energy density, high cycle life batteries that do not suffer from failures due to side reactions and dendrite growth on the Li electrodes, and other potential applications. The polymer electrolyte includes a linear block copolymer having a conductive linear polymer block with a molecular weight of at least 5000 Daltons, a structural linear polymer block with an elastic modulus in excess of 1×10 | 04-23-2009 |
20090142663 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD OF PRODUCING THE SAME - A nonaqueous electrolyte secondary battery, comprising a positive electrode containing a transition metal-containing composite oxide as a positive electrode active material, a negative electrode containing a negative electrode active material allowing reversible insertion and extraction of lithium, a separator, and a nonaqueous electrolyte solution, wherein the nonaqueous electrolyte solution contains at least one additive (A) selected from the group consisting of ethylene sulfite, propylene sulfite, and propane sultone and at least one additive (B) selected from the group consisting of maleic anhydride, vinylene carbonate, vinylethylene carbonate, and LiBF | 06-04-2009 |
20090169992 | Lithium Secondary Battery Using Ionic Liquid - A lithium secondary battery having high performance even at the time of high-rate charging and discharging, high energy density, high voltage, and a nonaqueous electrolyte excellent in safety. The lithium secondary battery using an ionic liquid, comprising a positive electrode, a negative electrode, a separator provided between the positive electrode and the negative electrode, and a nonaqueous electrolyte containing a lithium salt, wherein the nonaqueous electrolyte uses an ionic liquid containing bis(fluorosulfonyl)imide anion as an anionic component, as a solvent, voltage at the time of full charging is 3.6V or higher, and average discharge voltage in a discharge rate of 1-hour rate is 2.9V or higher. | 07-02-2009 |
20090176157 | AA AND AAA ALKALINE DRY BATTERIES - In a battery casing, there are accommodated a positive electrode containing manganese dioxide, a negative electrode containing zinc, and an electrolyte containing an aqueous solution of potassium hydroxide. The negative electrode contains bismuth of 100 ppm or less. In an AA dry battery, the amount of zinc in the negative electrode is 4.00 g or more, and the weight of the electrolyte is 4.00 g or more. In an AAA dry battery, the amount of zinc in the negative electrode is 1.71 g or more, and the weight of the electrolyte is 1.77 g or more. | 07-09-2009 |
20090191457 | METHOD OF MANUFACTURING LITHIUM-ION SECONDARY BATTERY, ELECTROLYTIC SOLUTION, AND LITHIUM-ION SECONDARY BATTERY - A method of manufacturing a lithium-ion secondary battery includes an electrolytic solution making step of making an electrolytic solution by mixing at least an organic solvent and an electrolytic salt together, an electrode insertion step of inserting an anode and a cathode into an outer case, and a liquid injection step of injecting the electrolytic solution into the outer case; wherein the electrolytic solution making step or the liquid injection step adds a compound having an alkyl group with a carbon number of 10 or greater and an epoxy, vinyl, or silanol group at a terminal to the electrolytic solution. | 07-30-2009 |
20090197167 | Fluorinated Additives For Lithium Ion Batteries - The usability of certain fluorinated organic compounds which have aromatic radicals, C═C double bonds, C═O groups or organosilicon groups as an additive for Li ion batteries is disclosed. | 08-06-2009 |
20090239143 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides a nonaqueous electrolyte secondary battery with an excellent packing property and remarkably improved high-temperature cycle characteristics and thermal stability. The nonaqueous electrolyte secondary battery | 09-24-2009 |
20090253035 | NON-AQUEOUS ELECTROLYTE CELL, ELECTRODE STABILIZING AGENT, PHOSPHAZENE DERIVATIVE AND METHOD OF PRODUCING THE SAME - A non-aqueous electrolyte cell comprises a positive electrode, a negative electrode and a non-aqueous electrolyte containing a support salt. The non-aqueous electrolyte further comprises a phosphazene derivative. The phosphazene derivative having a specified structure functions as an electrode stabilizing agent or a non-combustion agent. | 10-08-2009 |
20090286154 | Process for the Preparation of an Electrolyte - The invention provides a process for preparing a crystalline vanadyl sulphate/vanadous sulphate material, the process including the steps of providing a mixture of vanadium pentoxide (V | 11-19-2009 |
20090291364 | Electrolytic Solution - There is provided an electrolytic solution comprising a chain carbonate (I) represented by the formula (I): | 11-26-2009 |
20090311596 | CATHOLYTES FOR AQUEOUS LITHIUM/AIR BATTERY CELLS - Li/air battery cells are configurable to achieve very high energy density. The cells include a protected a lithium metal or alloy anode and an aqueous catholyte in a cathode compartment. In addition to the aqueous catholyte, components of the cathode compartment include an air cathode (e.g., oxygen electrode) and a variety of other possible elements. | 12-17-2009 |
20090325063 | METHOD FOR HIGH VOLUME MANUFACTURE OF ELECTROCHEMICAL CELLS USING PHYSICAL VAPOR DEPOSITION - Embodiments of the present invention relate to apparatuses and methods for fabricating electrochemical cells. One embodiment of the present invention comprises a single chamber configurable to deposit different materials on a substrate spooled between two reels. In one embodiment, the substrate is moved in the same direction around the reels, with conditions within the chamber periodically changed to result in the continuous build-up of deposited material over time. Another embodiment employs alternating a direction of movement of the substrate around the reels, with conditions in the chamber differing with each change in direction to result in the sequential build-up of deposited material over time. The chamber is equipped with different sources of energy and materials to allow the deposition of the different layers of the electrochemical cell. | 12-31-2009 |
20090325064 | ELECTRODE ASSEMBLY AND LITHIUM SECONDARY BATTERY HAVING THE SAME - Provided are an electrode assembly and a secondary battery having the same. The electrode assembly includes a positive electrode including a positive electrode active material layer, a negative electrode including a negative electrode active material layer, and a separator for separating the positive and negative electrodes from each other. The negative electrode active material layer includes a metal capable of alloying with lithium or lithium vanadium oxide (LiV | 12-31-2009 |
20100009254 | Non-Aqueous Electrolyte Secondary Battery - An object of the invention is to provide an inexpensive non-aqueous electrolyte secondary battery that allows reversible charge and discharge to be carried out and can be used for a long period because of a stable non-aqueous electrolyte used therein. The invention provides a non-aqueous electrolyte secondary battery including a positive electrode including a positive electrode active material and capable of storing and releasing sodium, a negative electrode capable of storing and releasing sodium, and a non-aqueous electrolyte, and the positive electrode active material includes sodium, nickel, manganese, and a transition metal that can exist in a hexavalent state. An example of the transition metal that can exist in a hexavalent state may include tungsten (W). An example of the negative electrode may include a sodium metal capable of storing and releasing sodium ions. | 01-14-2010 |
20100021813 | ELECTRODE FOR ANY ENERGY RESERVOIR - An electrode for an energy storage device has an electrode bearer and an active electrode material that is applied onto the electrode bearer on one side or on both sides, the electrode bearer being formed from an alloy that has a portion of copper and that additionally contains at least tin in a content of at least approximately 0.01 weight %. | 01-28-2010 |
20100086848 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - In a nonaqueous electrolyte secondary battery and an active material for a nonaqueous electrolyte secondary battery, the nonaqueous electrolyte secondary battery includes: a positive electrode containing a positive-electrode active material; a negative electrode containing a negative-electrode active material; and a nonaqueous electrolyte, wherein molybdenum dioxide whose particles have an average aspect ratio of two or less is used as the positive-electrode active material or the negative-electrode active material where the aspect ratio is the ratio between the major axis length and the minor axis length of a particle-equivalent ellipse equivalent to the cross-sectional area or the two-dimensional projection image of each of the observed particles (major axis length/minor axis length), the particle-equivalent ellipse being an ellipse having the same area and the same first and second moments as the observed particle. | 04-08-2010 |
20100099025 | Wet cell battery - An improved lead-acid battery is disclosed including a sulfurless electrolyte believed to have the chemical formula H | 04-22-2010 |
20100167121 | Nonaqueous Electrolyte - To provide a nonaqueous electrolyte that makes it possible to lengthen the life of a lithium ion cell even when subjected to repeated charge/discharge cycles when used in a lithium ion cell. | 07-01-2010 |
20100178555 | LITHIUM ENERGY STORAGE DEVICE - A lithium energy storage device comprising at least one positive electrode, at least one negative electrode, and an ionic liquid electrolyte comprising bis(fluorosulfonyl)imide (FSI) as the anion and a cation counterion, and lithium ions at a level of greater than 0.3 mol/kg of ionic liquid, and not more than 1.5 mol/kg of ionic liquid. Also described is a lithium energy storage device comprising an FSI ionic liquid electrolyte and LiBF4 or LiPF6 as the lithium salt. Also described is a lithium energy storage device comprising an FSI ionic liquid electrolyte and a positive electrode comprising lithium metal phosphate, in which the metal is a first-row transition metal, or a doped derivate thereof. | 07-15-2010 |
20100221603 | LITHIUM ION FLUORIDE BATTERY - The present invention provides electrochemical cells capable of good electronic performance, particularly high specific energies, useful discharge rate capabilities and good cycle life. The invention includes primary and secondary batteries having positive and negative electrodes that exchange fluoride ions with an electrolyte comprising a fluoride salt and solvent. | 09-02-2010 |
20100233531 | ELECTROLYTE COMPOSITION AND PHOTOELECTRIC CONVERSION ELEMENT INCORPORATING THE SAME - An electrolyte composition includes an ionic liquid and a solvent, wherein the solvent contains a material made of at least one of sulfolane and derivatives thereof, and a content of the material is 5 to 40 mass % of the total content of the electrolyte composition. | 09-16-2010 |
20100233532 | Composition for battery - A composition for a battery containing an electroconductive assistant improves battery performance of a battery produced using this composition as a result of achieving dispersion stabilization without inhibiting electroconductivity of the electroconductive assistant. The invention provides a composition for a battery comprising at least one type of dispersant selected from an organic pigment derivative having an acidic functional group(s) or a triazine derivative having an acidic functional group(s), a carbon material as an electroconductive assistant, and as necessary, a solvent, a binder and a positive electrode active substance or negative electrode active substance; and also provides a lithium secondary battery comprising a positive electrode having a positive electrode composite layer on a current collector, a negative electrode having a negative electrode composite layer on a current collector, an electrolyte containing lithium, and as necessary, an electrode foundation layer, wherein the positive electrode composite layer, the negative electrode composite layer or the electrode foundation layer is formed using the composition for a battery described above. | 09-16-2010 |
20100248020 | ULTRA-HIGH PURITY ZINC BROMIDES AND QUATERNARY AMMONIUM BROMIDES FOR USE IN ZINC-BROMINE BATTERIES - Ultra-high purity zinc bromide and quaternary ammonium bromides suitable for use in zinc-bromine batteries, and methods for making same, are provided. | 09-30-2010 |
20100248021 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - Disclosed is an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same. The electrolyte includes a lithium salt, a trialkylsilyl cyanide compound represented by the following Chemical Formula 1, and an organic solvent. | 09-30-2010 |
20100248022 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The nonaqueous electrolyte secondary battery having high output characteristics and excellent safety when overcharging as well as excellent charge and discharge cycle characteristics according to an aspect of the invention includes a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, a separator, and a nonaqueous electrolyte. The positive electrode active material includes lithium iron phosphate having an olivine crystal structure represented by General Formula Li | 09-30-2010 |
20100248023 | NON-AQUEOUS ELECTROLYTE BATTERY - A non-aqueous electrolyte battery has a working electrode | 09-30-2010 |
20100261051 | SODIUM ION SECONDARY BATTERY AND NEGATIVE ELECTRODE ACTIVE MATERIAL USED THEREIN - A sodium ion secondary battery having far superior potential stability during discharge when repeatedly charging and discharging, and a negative electrode active material capable of being efficiently doped and dedoped with sodium ions used therefor are provided. The sodium ion secondary battery according to the present invention includes a positive electrode containing a positive electrode active material capable of being doped and dedoped with sodium ions, a negative electrode containing a negative electrode active material containing, as a sole component or as a main component, a glassy carbonaceous material capable of being doped and dedoped with sodium ions, and an electrolyte containing sodium ions. Further, the negative electrode active material for a non-aqueous electrolyte sodium ion secondary battery according to the present invention includes a glassy carbonaceous material as a sole component or as a main component. | 10-14-2010 |
20100273048 | Nonaqueous electrolyte composition and nonaqueous electrolyte secondary battery - A nonaqueous electrolyte composition includes: a nonaqueous solvent; an electrolyte salt; a matrix resin; a filler; and a surfactant. | 10-28-2010 |
20100291436 | ASYMMETRIC TYPE BF3 COMPLEX - A main object of the present invention is to provide an asymmetric type BF | 11-18-2010 |
20100310933 | Magnesium cell with improved electrolyte - An improved electrolyte for a cell having an anode comprising magnesium or magnesium alloy. The cell's cathode may desirably include iron disulfide (FeS | 12-09-2010 |
20100316907 | Negative electrode for nonaqueous electrolyte solution battery and nonaqueous electrolyte solution battery having the same - A negative electrode used for a nonaqueous electrolyte solution battery having nonaqueous electrolyte solution containing lithium ion includes a metal carbon composite material. The metal carbon composite material has a porous carbon material having cavities, and a metal material made of metal to reversibly store or emit lithium ion. The metal material is arranged on a surface of the porous carbon material including inner surfaces of the cavities. The porous carbon material has a mass of 1-65 mass % when the metal carbon composite material is defined to have a mass of 100 mass %. | 12-16-2010 |
20110003199 | NEGATIVE ELECTRODE ELEMENT FOR LITHIUM-ION SECONDARY BATTERY, LITHIUM-ION SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - A negative electrode element for a lithium-ion secondary battery includes: a negative electrode current collector; and a negative electrode layer that includes an alloying active material layer formed on the negative electrode current collector and a resin layer formed on a surface of the alloying active material layer so as to have an opening that exposes part of the alloying active material layer to a surface of the negative electrode layer. The surface of the alloying active material layer, exposed to the opening, and a surface of the resin layer form a step so that the surface of the resin layer is farther from a surface of the negative electrode current collector than the exposed surface of the alloying active material layer. | 01-06-2011 |
20110008673 | NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - In a non-aqueous electrolyte secondary battery | 01-13-2011 |
20110027646 | ANODE MATERIAL OF EXCELLENT CONDUCTIVITY AND HIGH POWER SECONDARY BATTERY EMPLOYED WITH THE SAME - Provided is an anode material for an electrode mix comprising a carbon material and a lithium titanium oxide (LTO), wherein a ratio of an average particle size of LTO relative to that of the carbon material is in a range of 0.1 to 20%, and LTO is distributed mainly on a surface of the carbon material. The anode material of the present invention can prevent excessive formation of a SEI film, and is of a high capacity due to a high energy density and exhibits excellent output characteristics and rate characteristics. Further, it has superior electrolyte wettability which consequently results in improved battery performance and life characteristics. | 02-03-2011 |
20110059355 | HIGH-ENERGY METAL AIR BATTERIES - Disclosed herein are embodiments of lithium/air batteries and methods of making and using the same. Certain embodiments are pouch-cell batteries encased within an oxygen-permeable membrane packaging material that is less than 2% of the total battery weight. Some embodiments include a hybrid air electrode comprising carbon and an ion insertion material, wherein the mass ratio of ion insertion material to carbon is 0.2 to 0.8. The air electrode may include hydrophobic, porous fibers. In particular embodiments, the air electrode is soaked with an electrolyte comprising one or more solvents including dimethyl ether, and the dimethyl ether subsequently is evacuated from the soaked electrode. In other embodiments, the electrolyte comprises 10-20% crown ether by weight. | 03-10-2011 |
20110059356 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - In a nonaqueous electrolyte secondary battery including a positive electrode, a negative electrode and a nonaqueous electrolytic solution, the nonaqueous electrolytic solution contains a nitrile compound having a chain saturated hydrocarbon group and a nitrile group, the number of carbon atoms in the nitrile compound is four or more, and the positive electrode contains a positive-electrode active material on the surface of which particles of a rare earth element compound are deposited in dispersed form. | 03-10-2011 |
20110059357 | NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte battery includes: a positive electrode containing a positive electrode active material composed of a lithium complex oxide; a negative electrode; and a nonaqueous electrolyte containing a nonaqueous solvent, an electrolyte salt and at least one additive selected from the group consisting of a sulfone compound (1) represented by the following general formula (1) and a sulfone compound (2) represented by the following general formula (2) | 03-10-2011 |
20110059358 | LITHIUM BATTERY - A lithium battery includes: a positive electrode | 03-10-2011 |
20110064998 | NON-AQUEOUS ELECTROLYTE FOR A LITHIUM BATTERY, LITHIUM BATTERY WHEREIN SAID ELECTROLYTE IS USED, AND HYDROXY-ACID DERIVATIVE FOR USE IN SAID ELECTROLYTE - Disclosed are (1) a nonaqueous electrolytic solution for lithium battery comprising an electrolyte dissolved in a nonaqueous solvent, which contains at least one hydroxy acid derivative compound represented by the formulae (I) and (II) in an amount of from 0.01 to 10% by mass of the nonaqueous electrolytic solution, and which can improve the low-temperature and high-temperature cycle property thereof (wherein R | 03-17-2011 |
20110070483 | PREPARATION OF FLOW CELL BATTERY ELECTROLYTES FROM RAW MATERIALS - A method for preparing a redox flow battery electrolyte is provided. In some embodiments, the method includes the processing of raw materials that include sources of chromium ions and/or iron ions. The method further comprises the removal of impurities such as metal ions from those raw materials. In some embodiments, an ammonium salt may be used to remove metal impurities from an aqueous mixture of chromium ions and/or iron ions. Further provided is a redox flow battery comprising at least one electrolyte prepared from the above-identified methods. | 03-24-2011 |
20110070484 | LITHIUM PRIMARY BATTERY - A lithium primary battery includes: a negative electrode comprising lithium metal or a lithium alloy; a positive electrode including a positive electrode active material; a separator disposed between the negative electrode and the positive electrode; a carbon layer interposed between the negative electrode and the separator, the carbon layer including carbon particles and a coating on a surface of the carbon particles, the coating including a lithium carboxylate and lithium carbonate; and a non-aqueous electrolyte with a carboxylic acid concentration of 0% by weight or more and less than 0.01% by weight. | 03-24-2011 |
20110076556 | METAL OXIDE COATED POSITIVE ELECTRODE MATERIALS FOR LITHIUM-BASED BATTERIES - Positive electrode active materials are formed with various metal oxide coatings. Excellent results have been obtained with the coatings on lithium rich metal oxide active materials. Surprisingly improved results are obtained with metal oxide coatings with lower amounts of coating material. High specific capacity results are obtained even at higher discharge rates. | 03-31-2011 |
20110091767 | ACCUMULATOR MATERIAL AND ACCUMULATOR DEVICE - An electricity storage device including a positive electrode | 04-21-2011 |
20110111286 | NONAQUEOUS ELECTROLYTIC SOLUTION CONTAINING MAGNESIUM IONS, AND ELECTROCHEMICAL DEVICE USING THE SAME - A nonaqueous electrolytic solution containing magnesium ions which shows excellent electrochemical characteristics and which can be manufactured in a general manufacturing environment such as a dry room, and an electrochemical device using the same are provided. A Mg battery has a positive-electrode can | 05-12-2011 |
20110117428 | LITHIUM BATTERY AND METHOD OF MANUFACTURING THE SAME - A lithium battery including a negative electrode containing a negative active material into which lithium ions intercalate at an electrical potential equal to or greater than 1.2 V with respect to a potential of Li, and a method of manufacturing the lithium battery. According to one or more embodiments of the present invention, a lithium battery includes: a positive electrode; a negative electrode including a negative active material into which lithium ions intercalate at an electrical potential equal to or greater than 1.2 V with respect to a potential of Li; an electrolyte including a nonaqueous organic solvent and a lithium salt; and a first layer formed on at least one portion of the surface of the negative electrode by chemical reactions involving a first compound represented by Formula 1, elements contained in the electrolyte, and the negative active material. | 05-19-2011 |
20110123858 | COMPOSITE ELECTRODE MATERIAL - The invention relates to a composite material comprising carbon fibers and complex oxide particles, wherein the carbon fibers and the complex oxide particles have a carbon coating on at least part of their surface, said carbon coating being a non powdery coating The material is prepared by a method comprising mixing a complex oxide or precursors thereof, an organic carbon precursor and carbon fibers, and subjecting the mixture to a heat treatment in an inert or reducing atmosphere for the decomposition of the precursors The material is useful as the cathode material in a battery | 05-26-2011 |
20110136005 | Vitamin B12 iron battery - A portable, rechargeable, and environmentally benign energy system, having an Iron Electrode ( | 06-09-2011 |
20110159359 | NONAQUEOUS SECONDARY BATTERY - A nonaqueous electrolyte of nonaqueous secondary battery contains a nitrile group-containing compound at a concentration of 0.05% by mass or more. A positive electrode active material has an average particle diameter of 4.5 to 15.5 μm and a specific surface area of 0.13 to 0.80 m | 06-30-2011 |
20110171523 | Polyolefin and Ceramic Battery Separator for Non-Aqueous Battery Applications - A ceramic microporous polyolefin battery separator membrane, high in air permeability, low in shrinkage and improved temperature resistance addresses the safety requirements of lithium ion batteries. The separators made by the current invention consists of one or more polyolefin polymers and kaolin fillers comprised of aluminum oxide and silicon oxide. The membranes of current invention have a thickness of 5-200 microns, air permeability of 1-200 sec/10 cc (Gurley seconds), and average pore diameter of less than 1 micron. | 07-14-2011 |
20110183199 | NONAQUEOUS ELECTROLYTE SOLUTION FOR LITHIUM BATTERY, LITHIUM BATTERY USING SAME, AND FORMYLOXY GROUP-CONTAINING COMPOUND USED THEREIN - Disclosed are a nonaqueous electrolytic solution for lithium secondary battery comprising an electrolyte dissolved in a nonaqueous solvent and containing at least one compound represented by the formula (I) in an amount of from 0.01 to 10% by mass of the nonaqueous electrolytic solution; a lithium battery containing the electrolytic solution and excellent in low-temperature and high-temperature cycle property; and a formyloxy group-containing compound having a specific structure which is used in lithium batteries, etc. | 07-28-2011 |
20110195303 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - Disclosed herein is a cathode active material for a lithium secondary battery, in particular, including a lithium transition metal oxide with a layered crystalline structure in which the transition metal includes a transition metal mixture of Ni, Mn and Co, and an average oxidation number of all transition metals other than lithium is more than +3, and specific conditions represented by the following formulae (1) and (2), 1.108-11-2011 | |
20110195304 | MULTI-COMPONENT-SYSTEM LITHIUM PHOSPHATE COMPOUND PARTICLES HAVING AN OLIVINE STRUCTURE, MANUFACTURING METHOD THEREOF AND LITHIUM SECONDARY BATTERY EMPLOYING THE LITHIUM PHOSPHATE COMPOUND PARTICLES AS A POSITIVE ELECTRODE MATERIAL - There is disclosed a multi-component system lithium phosphate compound particles having an olivine structure and represented by a general formula of Li | 08-11-2011 |
20110200873 | CONDUCTIVE FIBROUS MATERIALS - As consistent with various embodiments, an electronic device includes a fibrous material having a conductive coating thereon. The conductive coating includes conductive nanoparticles coupled to fibers in the fibrous material. The structure is implemented in connection with a variety of devices, such as a capacitive device or a battery. Other embodiments are directed to forming conductive fibrous sheets, in dispersing a nanomaterial in a solution and applying the solution to a fibrous sheet, such as commercial paper, to form a conductive sheet. | 08-18-2011 |
20110212362 | NON-AQUEOUS ELECTROLYTE SECONDARY CELL - The object of the present invention is to provide a non-aqueous electrolyte secondary cell that excels in safety against overcharging and shows only a small increase in thickness during continuous charge. This object can be achieved by adopting the following configuration: a separator is used that is made of a microporous polyolefin membrane having an average pore diameter of 0.07 to 0.09 μm; a non-aqueous electrolyte contains 0.5 to 3.0 mass % of 1,3-dioxane, 0.05 to 0.3 mass % of adiponitrile, and 0.5 to 3.0 mass % of cyclohexylbenzene and/or tert-amylbenzene relative to the mass of the non-aqueous electrolyte; and preferably the non-aqueous electrolyte further contains 0.5 to 5.0 mass % of a vinylene carbonate and 0.1 to 2.0 mass % of 2-propyn-1-yl 2-(methylsulfonyloxy) propionate. | 09-01-2011 |
20110236751 | HIGH VOLTAGE BATTERY FORMATION PROTOCOLS AND CONTROL OF CHARGING AND DISCHARGING FOR DESIRABLE LONG TERM CYCLING PERFORMANCE - Improved cycling of high voltage lithium ion batteries is accomplished through the use of a formation step that seems to form a more stable structure for subsequent cycling and through the improved management of the charge-discharge cycling. In particular, the formation charge for the battery can be performed at a lower voltage prior to full activation of the battery through a charge to the specified operational voltage of the battery. With respect to management of the charging and discharging of the battery, it has been discovered that for the lithium rich high voltage compositions of interest that a deeper discharge can preserve the cycling capacity at a greater number of cycles. Battery management can be designed to exploit the improved cycling capacity obtained with deeper discharges of the battery. | 09-29-2011 |
20110236752 | POWER STORAGE DEVICE - A power storage device includes a positive electrode including a positive electrode current collector and a positive electrode active material having an olivine structure which is represented by a structural formula LiFe | 09-29-2011 |
20110250494 | CATHODE PLATE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A negative electrode plate for a nonaqueous electrolyte secondary battery, which includes a collector, and an electrode active material layer that is arranged on the collector. The electrode active material layer contains a negative electrode active material, and a metal oxide or an elemental metal. The negative electrode active material is firmly affixed onto the collector by the metal oxide or elemental metal. | 10-13-2011 |
20110262802 | NEGATIVE ELECTRODE MATERIAL FOR NONAQUEOUS SECONDARY BATTERY - To provide a carbon material capable of suppressing excessive reactivity with an electrolytic solution and excellent in a rapid charge/discharge characteristics. | 10-27-2011 |
20110274968 | TITANIUM COMPOSITE ELECTRODES AND METHODS THEREFORE - The present invention provides composite electrodes that comprise a titanium metal filler and a polymeric material. Advantageously the composite electrodes of the present invention do not suffer from the problems of carbon degradation, are thermally stable, are easily shaped, which demonstrate high power densities and which are relatively inexpensive to produce. | 11-10-2011 |
20110281156 | Vertically Aligned Carbon Nanotube Augmented lithium Ion Anode for Batteries - An electrode for a battery is augmented with vertically aligned carbon nanotubes, allowing both improved storage density of lithium ions and the increase electrical and thermal conductivity. Carbon nanotubes are extremely good electrical and thermal conductors, and can be grown directly on the electrode (e.g., anode or cathode) current collector metals, allowing direct electrical contact. Additionally carbon nanotubes have an ideal aspect ratio, having lengths potentially thousands of times as long as their widths, 10 to 1,000 nanometers. In an embodiment, the carbon nanotube electrode (e.g., an anode) comprises a silicon matrix, allowing withstanding volumetric changes exhibited during cycling of the electrochemical cell. In an embodiment, the carbon nanotube electrode (e.g., a cathode) comprises embedded sulfur, allowing both the improved retention of elemental sulfur and increase electrical conductivity. | 11-17-2011 |
20110281157 | ELECTRODE, RELATED MATERIAL, PROCESS FOR PRODUCTION, AND USE THEREOF - An electrode material is created by forming a thin conformal coating of metal oxide on a highly porous carbon meta-structure. The highly porous carbon meta-structure performs a role in the synthesis of the oxide coating and in providing a three-dimensional, electronically conductive substrate supporting the thin coating of metal oxide. The metal oxide includes one or more metal oxides. The electrode material, a process for producing said electrode material, an electrochemical capacitor and an electrochemical secondary (rechargeable) battery using said electrode material is disclosed. | 11-17-2011 |
20110287313 | SILICON OXIDE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY NEGATIVE ELECTRODE MATERIAL, MAKING METHOD, NEGATIVE ELECTRODE, LITHIUM ION SECONDARY BATTERY, AND ELECTROCHEMICAL CAPACITOR - A silicon oxide material is obtained by cooling and precipitating a gaseous mixture of SiO gas and silicon-containing gas and has an oxygen content of 20-35 wt %. Using the silicon oxide material as a negative electrode active material, a nonaqueous electrolyte secondary battery is constructed that exhibits a high 1st cycle charge/discharge efficiency and improved cycle performance while maintaining the high battery capacity and low volume expansion of silicon oxide. | 11-24-2011 |
20120034515 | RECHARGEABLE ZINC ION BATTERY - The present invitation discloses a rechargeable zinc ion battery, in which anodic zinc will be electrochemically dissolved as Zn | 02-09-2012 |
20120058392 | Rechargeable battery with aluminium anode, graphite cathode and an electrolyte containing aluminium vapour in plasma state - We propose a rechargeable battery with aluminium anode. In order to avoid the high reactivity of aluminium ions with most liquid electrolytes, we present an electrolyte containing aluminium vapour in plasma state. | 03-08-2012 |
20120064395 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - Disclosed herein is a cathode active material for a lithium secondary battery, in particular, including a lithium transition metal oxide with a layered crystalline structure in which the transition metal includes a transition metal mixture of Ni, Mn and Co, and an average oxidation number of all transition metals other than lithium is more than +3, and specific conditions represented by the following formulae (1) and (2), 1.103-15-2012 | |
20120070725 | METAL HALIDE COATINGS ON LITHIUM ION BATTERY POSITIVE ELECTRODE MATERIALS AND CORRESPONDING BATTERIES - Lithium ion battery positive electrode material are described that comprise an active composition comprising lithium metal oxide coated with an inorganic coating composition wherein the coating composition comprises a metal chloride, metal bromide, metal iodide, or combinations thereof. Desirable performance is observed for these coated materials. In particular, the non-fluoride metal halide coatings are useful for stabilizing lithium rich metal oxides. | 03-22-2012 |
20120070726 | ELECTRODE MATERIAL, A BATTERY ELECTRODE, METHOD OF PRODUCING THEM, NONAQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - According to one embodiment, there is provided an electrode material. The electrode material includes an active material which includes a titanium oxide compound having a monoclinic titanium dioxide crystal structure. The electrode material further includes a compound which exists on the surface of the active material and has a trialkylsilyl group represented by the formula (I). | 03-22-2012 |
20120070727 | GLASS COMPOSITIONS WITH LEACHABLE METAL OXIDES AND IONS - The disclosure describes compositions and methods for producing a change in the voltage at which hydrogen gas is produced in a lead acid battery. The compositions and methods relate to producing a concentration of one or more metal ions in the lead acid battery electrolyte. The compositions include glass based compositions that are included as part of various battery components, such as the battery separator, pasting paper, additives to battery paste, etc. | 03-22-2012 |
20120070728 | COMPOSITIONS AND DELIVERY SYSTEMS WITH LEACHABLE METAL IONS - The disclosure describes compositions and methods for producing a change in the voltage at which hydrogen gas is produced in a lead acid battery. The compositions and methods relate to producing a concentration of one or more metal ions in the lead acid battery electrolyte. | 03-22-2012 |
20120070729 | GLASS COMPOSITIONS WITH HIGH LEVELS OF BISMUTH OXIDE - The application describes glass compositions that includes more than 30 percent by weight of bismuth compounds, in particular bismuth oxide. Additionally, components, specifically battery separators, made from the glass compositions with high levels of bismuth are described. | 03-22-2012 |
20120082890 | NON-AQUEOUS ELECTROLYTES FOR ELECTROCHEMICAL CELLS - A electrolyte for a lithium battery includes a silane/siloxane compound represented by SiR | 04-05-2012 |
20120094173 | MACRO-POROUS GRAPHITE ELECTRODE MATERIAL, PROCESS FOR PRODUCTION THEREOF, AND LITHIUM ION SECONDARY BATTERY - This invention provides a macroporous graphite electrode material that may be manufactured at a low temperature of 1500° C. or less and may be fast charged and discharged and a manufacturing method thereof. It also provides a lithium-ion secondary battery using this macroporous graphite electrode material. | 04-19-2012 |
20120100422 | COMPOSITE NANO POROUS ELECTRODE MATERIAL, PROCESS FOR PRODUCTION THEREOF, AND LITHIUM ION SECONDARY BATTERY - This invention provides a nano composite porous electrode material that has high charge-discharge behavior and charge or discharge capacity and a manufacturing method thereof. It also provides a lithium-ion secondary battery using this nano composite porous electrode material. | 04-26-2012 |
20120100423 | Removal Of Impurities From Lithium-Iron Disulfide Electrochemical Cells - A lithium electrochemical cell, and a process for making the same, are disclosed. The cell includes a chelating agent that is specifically selected to remove impurities introduced to the cell by other component. | 04-26-2012 |
20120121972 | ELECTROCHEMICAL BATTERY CELL - An electrochemical battery cell having a negative electrode, an electrolyte containing a conductive salt, and a positive electrode, the electrolyte being based on SO | 05-17-2012 |
20120141866 | POWER STORAGE DEVICE - A power storage device which has improved performance such as higher discharge capacity and in which deterioration due to peeling or the like of an active material layer is less likely to be caused is provided. In an electrode for the power storage device, phosphorus-doped amorphous silicon is used for the active material layer over a current collector as a material that can be alloyed with lithium, and niobium oxide is deposited over the active material layer as a layer containing niobium. Accordingly, the capacity of the power storage device can be increased and the cycle characteristics and the charge-discharge efficiency can be improved. | 06-07-2012 |
20120141867 | LITHIUM SECONDARY BATTERY - An electrolyte includes a mixture of polymerizable compounds, or a polymer, in which the mixture includes a polymerizable compound having an aromatic functional group and a polymerizable functional group, and a polymerizable compound having a phosphorus-containing functional group that contains phosphorus, and having a polymerizable functional group, and in which the polymer has residues of each of the phosphorus-containing functional group, the aromatic functional group and the polymerizable functional group. | 06-07-2012 |
20120141868 | ZEOLITE FOR TREATMENT OF NONAQUEOUS ELECTROLYTIC SOLUTION AND TREATMENT METHOD OF NONAQUEOUS ELECTROLYTIC SOLUTION - An object of the present invention is to provide a zeolite enabling a dehydration treatment of a nonaqueous electrolytic solution without causing a problem of elution of sodium from the zeolite at the time of dehydrating a nonaqueous electrolytic solution for a lithium battery by using a zeolite. The present invention relates to a zeolite, wherein from 97.5 to 99.5 mol % of the ion-exchangeable cation is ion-exchanged with lithium, and when this zeolite is used, a nonaqueous electrolytic solution can be dehydrated while keeping the elution of a cation impurity such as sodium down to 50 ppm or less. As for the zeolite species, at least one or more zeolites selected from the group consisting of A-type, chabazite, ferrierite, ZSM-5 and clinoptilolite can be used. | 06-07-2012 |
20120141869 | METHOD FOR PRODUCING NONAQUEOUS ELECTROLYTE LITHIUM-ION SECONDARY BATTERY - The present invention provides a method for producing a lithium-ion secondary battery with excellent high-temperature storage characteristics. The method for producing the lithium-ion secondary battery provided by the present invention includes a step of assembling a lithium-ion secondary battery using positive and negative electrodes, and a nonaqueous electrolyte containing in an organic solvent a lithium salt as a supporting salt, at least one type of substance selected from carboxylic acid anhydrides and dicarboxylic acids as additive A, and at least one type of substance selected from vinylene carbonate, vinylethylene carbonate, ethylene sulfite, and fluoroethylene carbonate as additive B; a step of carrying out initial charging of the assembled battery to a predetermined voltage; and a step of carrying out an aging treatment by keeping the battery at a temperature of 35° C. or higher for 6 hours or longer. | 06-07-2012 |
20120156555 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides a non-aqueous electrolyte secondary battery including: a positive electrode including a first active material capable of occluding and releasing a lithium ion and a second active material capable of occluding and releasing an anion; a negative electrode including a negative electrode active material capable of occluding and releasing a lithium ion; and an electrolyte containing a salt of a lithium ion and the anion. The second active material is a polymer having a tetrachalcogenofulvalene skeleton in a repeating unit. According to the present invention, provided is a non-aqueous electrolyte secondary battery with improved output characteristics, in particular, a pulse discharge characteristic, without a significant decrease in energy density. | 06-21-2012 |
20120164523 | LITHIUM ION SECONDARY BATTERY - A lithium ion secondary battery with high reliability and high safety is provided. The lithium ion secondary battery includes a positive electrode for occluding and releasing lithium ions, a negative electrode for occluding and releasing lithium ions, a non-aqueous liquid electrolyte containing a lithium salt, and a separator disposed between the positive electrode and the negative electrode. The positive electrode includes particles of polymethyl methacrylate. Preferably, particles of positive electrode active material in the positive electrode are covered with the particles of polymethyl methacrylate. | 06-28-2012 |
20120171560 | Silicon and lithium silicate composite anodes for lithium rechargeable batteries and preparation method thereof - The present invention provides composite anodes comprising particles composed of silicon and lithium silicate, active and inactive anode materials, and binders, for lithium rechargeable batteries, wherein the particles composed of silicon and lithium silicate are prepared via treating silicon particles with lithium hydroxide in a wet process. Cycle life and characteristics and capacity of a secondary battery adopting the composite anode can be greatly improved. | 07-05-2012 |
20120171561 | POLYMER RADICAL MATERIAL-ACTIVATED CARBON-CONDUCTIVE MATERIAL COMPOSITE, METHOD FOR PRODUCING CONDUCTIVE MATERIAL COMPOSITE, AND ELECTRICITY STORAGE DEVICE - The object of the present invention is to provide an electrode material which enables the production of an electricity storage device that has a large discharge capacity, and suffers minimal voltage drop due to resistance even when discharge is performed at a large electric current; a method for producing the electrode material; and an electricity storage device that exhibits both high energy density and high output characteristics, and an electricity storage device is produced which uses, as an electrode, a polymer radical material-activated carbon-conductive material composite, prepared by adding dropwise, or pouring, a raw material solution, in which a polymer radical material having a radical partial structure in a reduced state is dissolved or swollen and an activated carbon and a conductive material are dispersed or dissolved, into a solution in which the polymer radical material, the activated carbon and the conductive material do not dissolve or swell, thus obtaining a precipitate containing the polymer radical material, the activated carbon and the conductive material. | 07-05-2012 |
20120177986 | ELECTROCHEMICAL CELL AND ELECTROCHEMICAL CAPACITOR - An electrochemical cell includes a positive electrode, a negative electrode, and an electrolyte solution. The positive electrode and/or the negative electrode includes a penetrating portion that penetrates the electrodes in the thickness direction. Further, an electrochemical capacitor includes a positive electrode, a negative electrode, and an electrolyte solution. In a plane of projection in which a region carrying a negative electrode active material of the negative electrode is projected onto a region carrying a positive electrode active material of the positive electrode along a opposed direction, the ratio of an area carrying the positive electrode active material to an area carrying the negative electrode active material is less than 1. | 07-12-2012 |
20120183846 | LITHIUM SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTIC SOLUTION FOR USE IN THE LITHIUM SECONDARY BATTERY - Disclosed are: a lithium secondary battery which comprises a positive electrode containing, as a positive electrode active material, a lithium-containing metal oxide that contains at least one metal element selected from nickel, manganese and iron, a negative electrode containing, as a negative electrode active material, a carbon material capable of absorbing and releasing lithium, and a non-aqueous electrolytic solution comprising a non-aqueous solvent and an electrolyte salt dissolved in the non-aqueous solvent, wherein the lithium secondary battery is characterized in that the non-aqueous electrolytic solution contains 0.1 to 5 mass % of 1,2,3,4-tetrahydronaphthalene and 0.1 to 5 mass % of a biphenyl derivative and/or an alkyl phenol derivative; and a non-aqueous electrolytic solution for use in the lithium secondary battery. The lithium secondary battery can have an excellent post-low-temperature-cycle recovery rate even after the battery is exposed to a high-temperature environment. | 07-19-2012 |
20120264009 | METHOD FOR MANUFACTURING POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY USING SAME - A method of preparing a positive active material for a rechargeable lithium battery including a) mixing a composite metal precursor and a lithium compound; b) firing the mixture to prepare a positive active material; c) mixing the resulting positive active material, a carbon coating material, and a solvent; and d) heat-treating the resulting mixture to provide a positive active material coated with the carbon coating material, wherein the carbon coating material is used in an amount of 1 wt % to 30 wt % based on 100 wt % of the composite metal precursor, lithium compound, and carbon coating material, the firing is performed at 400 to 900° C., and the positive active material provided in d) is represented by the following Chemical Formula 1, is provided. | 10-18-2012 |
20120270101 | LITHIUM SECONDARY BATTERY - A lithium ion secondary battery capable of charging in 15 minutes or less has a cathode with a composite layer on a surface of a collector having an active material and a conducting agent, an anode with an active material, an insulator between the cathode and anode, and an electrolyte with lithium ions. The cathode active material is represented by Li | 10-25-2012 |
20120276444 | ACTIVE MATERIAL FOR RECHARGEABLE BATTERY - A magnesium battery includes a first electrode including an active material and a second electrode. An electrolyte is disposed between the first electrode and the second electrode. The electrolyte includes a magnesium compound. The active material includes an inter-metallic compound of magnesium and bismuth. | 11-01-2012 |
20120288750 | GRAPHENE MATERIALS HAVING RANDOMLY DISTRIBUTED TWO-DIMENSIONAL STRUCTURAL DEFECTS - Graphene-based storage materials for high-power battery applications are provided. The storage materials are composed of vertical stacks of graphene sheets and have reduced resistance for Li ion transport. This reduced resistance is achieved by incorporating a random distribution of structural defects into the stacked graphene sheets, whereby the structural defects facilitate the diffusion of Li ions into the interior of the storage materials. | 11-15-2012 |
20120288751 | Electric Storage Device - Provided is an electric storage device including a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, a nonaqueous electrolyte solution in which an electrolyte is dissolved in a nonaqueous solvent, wherein an inorganic filler layer is disposed between the positive electrode and the negative electrode and the nonaqueous electrolyte solution contains lithium difluorobis(oxalato)phosphate. | 11-15-2012 |
20120288752 | ADDITIVE FOR OVERCHARGE PREVENTING OF SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE FOR SECONDARY BATTERY INCLUDING THE SAME - An additive for overcharge prevention of a lithium ion battery is provided. A nonaqueous electrolyte for a lithium ion battery including a lithium salt and an organic solvent is also provided, which includes both a terphenylene derivative and a xylene derivative. The additive undergoes oxidative polymerization during overcharge and increases resistance of an electrode surface, thereby shutting down overcharge current. When the additive of the present invention is used in the electrolyte of a lithium ion battery, the safety of battery can be improved during overcharge. | 11-15-2012 |
20120288753 | ALUMINUM-BASED HYDRIDE ANODES AND GALVANIC ELEMENTS CONTAINING ALUMINUM-BASED HYDRIDE ANODES - A hydride anode containing aluminium of the formula (M | 11-15-2012 |
20120288754 | CATHODE AND METHOD FOR MANUFACTURING THE SAME - Disclosed is a battery cathode ( | 11-15-2012 |
20120295154 | CROSS-LINKED, MICROPOROUS POLYSULFONE BATTERY ELECTRODE SEPARATOR - A cross-linked microporous polysulfone or polysulfone copolymer battery electrode separator membrane are described. Such membranes, which would otherwise be soluble above a particular, generally high temperature in selected battery electrolyte systems, once at least in part cross-linked, swell in the electrolyte at the particular higher temperature instead of dissolving. When the membrane separators are restrained between solid electrodes in a battery, the separator cannot increase in bulk volume, and the swelling occurs within the pores with the pore volume decreasing from its original bulk volume. The drop in pore volume causes the battery current density to drop, thereby reducing the heat generation within the hot area of the battery. This process provides a measure of safety against overheating and fires, and the battery is capable of continued usage if the overheating is localized. | 11-22-2012 |
20120308880 | POROUS LI4TI5O12 ANODE MATERIAL, METHOD OF MANUFACTURING THE SAME AND BATTERY COMPRISING THE SAME - The present invention relates to a porous lithium titanium oxide anode material, a method of manufacturing the same, and a battery comprising the same. The method of manufacturing a porous lithium titanium oxide anode material of the present invention includes the following steps: (A) mixing a lithium salt and an organic acid, and adding a titanium salt immediately; (B) performing a first heat treatment at 300-800° C. for three hours; and (C) performing a second heat treatment at 600-800° C. for ten hours to obtain a porous lithium titanium oxide anode material. The cost of manufacturing the porous lithium titanium oxide anode material can be reduced through the aforementioned method, and a lithium battery having excellent electrochemical properties and cycling stabilities can be produced by the present invention. | 12-06-2012 |
20120315534 | Materials for Battery Electrolytes and Methods for Use - Described herein are materials for use in electrolytes that provide a number of desirable characteristics when implemented within batteries, such as high stability during battery cycling up to high temperatures high voltages, high discharge capacity, high coulombic efficiency, and excellent retention of discharge capacity and coulombic efficiency over several cycles of charging and discharging. In some embodiments, a high voltage electrolyte includes a base electrolyte and a set of additive compounds, which impart these desirable performance characteristics. | 12-13-2012 |
20120315535 | SECONDARY BATTERY - This invention provides an electricity storage device having improved characteristics by optimizing battery materials, particularly an electrolyte solution. The electrolyte solution ( | 12-13-2012 |
20120328935 | ACTIVE MATERIAL FOR RECHARGEABLE BATTERY - A magnesium battery includes a first electrode including an active material and a second electrode. An electrolyte is disposed between the first electrode and the second electrode. The electrolyte includes a magnesium compound. The active material includes an inter-metallic compound of magnesium and antimony. The active material also includes antimony or an alloy of bismuth and antimony. | 12-27-2012 |
20120328936 | HIGH RATE, LONG CYCLE LIFE BATTERY ELECTRODE MATERIALS WITH AN OPEN FRAMEWORK STRUCTURE - A battery includes a cathode, an anode, and an aqueous electrolyte disposed between the cathode and the anode and including a cation A. At least one of the cathode and the anode includes an electrode material having an open framework crystal structure into which the cation A is reversibly inserted during operation of the battery. The battery has a reference specific capacity when cycled at a reference rate, and at least 75% of the reference specific capacity is retained when the battery is cycled at 10 times the reference rate. | 12-27-2012 |
20120328937 | NONAQUEOUS ELECTROLYTE AND LITHIUM ION RECHARGEABLE BATTERY - A nonaqueous electrolyte which is capable of improving the charging and discharging characteristics of a lithium ion rechargeable battery and a lithium ion rechargeable battery with excellent charging and discharging characteristics are provided. The nonaqueous electrolyte is one that is capable of being used in a lithium ion rechargeable battery and includes an electrolytic salt and the compound represented by the following formula ( | 12-27-2012 |
20130004836 | ELECTRODE ACTIVE MATERIAL FOR ELECTRICITY STORAGE DEVICE, AND ELECTRICITY STORAGE DEVICE USING SAME - The present invention provides an electrode active material for an electricity storage device, having a structure represented by following formula (1). In the formula (1), R | 01-03-2013 |
20130004837 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY INCLUDING A NEGATIVE ELECTRODE CONTAINING SILICON AND AN ADDITIVE WHICH RETARDS OXIDATION OF SILICON DURING BATTERY OPERATION - Disclosed is a nonaqueous electrolyte secondary battery which has a negative electrode containing silicon as a negative active material, a positive electrode containing a positive active material, a nonaqueous electrolyte and a separator. Characteristically, an additive which retards oxidation of silicon during operation of the battery is contained either in an interior or surface portion of the positive electrode, in an interior or surface portion of the negative electrode, or in an interior or surface portion of the separator. | 01-03-2013 |
20130004838 | NON-AQUEOUS ELECTROCHEMICAL CELLS - Electrochemical cells are disclosed. In some embodiments, an electrochemical cell includes an electrolyte that contains a bis(oxalato)borate salt. | 01-03-2013 |
20130011726 | POWDERS FOR POSITIVE-ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY, PROCESS FOR PRODUCING THE SAME, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY EMPLOYING THE SAME, AND LITHIUM SECONDARY BATTERY - The invention relates to a lithium-transition metal compound powder for a positive-electrode material for lithium secondary battery which comprises secondary particles configured of primary particles having two or more compositions and a lithium-transition metal compound having a function of being capable of insertion and release of lithium ions, wherein the powder gives a pore distribution curve having a peak at a pore radium 80 nm or greater but less than 800 nm, and the secondary particles include primary particles of a compound represented by a structural formula including at least one element selected from As, Ge, P, Pb, Sb, Si and Sn, wherein the primary particles of the compound are present at least in an inner part of the secondary particles. | 01-10-2013 |
20130017439 | NONAQUEOUS SECONDARY BATTERYAANM Takahashi; KentaroAACI Sumoto-shiAACO JPAAGP Takahashi; Kentaro Sumoto-shi JP - A nonaqueous secondary battery contains di(2-propynyl) oxalate in a proportion of not less than 0.05% and not more than 3% by mass relative to the total mass of the nonaqueous electrolyte, and causing the positive electrode mixture layer to contain a silane coupling agent, or one or more coupling agents expressed by Formula (I) below, in a proportion of not less than 0.003% and not more than 3% by mass relative to the mass of the positive electrode active material: | 01-17-2013 |
20130029216 | POSITIVE-ELECTRODE MATERIAL FOR LITHIUM SECONDARY-BATTERY, PROCESS FOR PRODUCING THE SAME, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY - The invention relates to: a lithium-transition metal compound powder for a positive-electrode material of lithium secondary batteries, which is a powder that comprises a lithium-transition metal compound having a function of being capable of an insertion and elimination of lithium ions, wherein the particles in the powder contain, in the inner part thereof, a compound that, when analyzed by an SEM-EDX method, has peaks derived from at least one element selected from the Group-16 elements belonging to the third or later periods of the periodic table and at least one element selected from the Group-5 to Group-7 elements belonging to the fifth and sixth periods of the periodic table; a process for producing the powder; a positive electrode for lithium secondary batteries; and a lithium secondary battery. | 01-31-2013 |
20130029217 | Materials for Battery Electrolytes and Methods for Use - Described herein are materials for use in electrolytes that provide a number of desirable characteristics when implemented within batteries, such as high stability during battery cycling up to high temperatures high voltages, high discharge capacity, high coulombic efficiency, and excellent retention of discharge capacity and coulombic efficiency over several cycles of charging and discharging. In some embodiments, a high voltage electrolyte includes a base electrolyte and a set of additive compounds, which impart these desirable performance characteristics. | 01-31-2013 |
20130034774 | NONAQUEOUS ELECTROLYTE RECHARGEABLE BATTERY - A nonaqueous electrolyte rechargeable battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode and the negative electrode occlude and discharge lithium irons. The nonaqueous electrolyte contains an additive and a polycyclic aromatic hydrocarbon. The additive includes an organic solvent having a donor number of 18 to 24. A content of the polycyclic aromatic hydrocarbon is 0% to 2.0% of a total mass of the nonaqueous electrolyte. | 02-07-2013 |
20130052522 | CARBON-BASED NEGATIVE ELECTRODE MATERIAL AND SECONDARY BATTERY INCLUDING NEGATIVE ELECTRODE MATERIAL - To provide a carbon-based negative electrode material which can be used with an electrolyte containing PC as a main ingredient, a carbon-based negative electrode material having a graphene layer structure is crystalline and has pores. That is, the crystal structure of the carbon-based negative electrode material is distorted more significantly than that of graphite. Accordingly, the carbon-based negative electrode material has a larger interlayer distance between graphenes than graphite. It has been shown that such a negative electrode material can be used for a secondary battery which contains an electrolyte containing PC as a main ingredient. | 02-28-2013 |
20130059199 | NON-AQUEOUS ELECTROLYTE SOLUTION TYPE LITHIUM ION SECONDARY BATTERY - A lithium-ion secondary battery with excellent durability is provided using a two-phase coexisting compound as a positive electrode active material. This lithium-ion secondary battery is provided with an electrode body having a positive electrode containing a positive electrode active material and a negative electrode containing a negative electrode active material, and a non-aqueous electrolyte solution containing a lithium salt in an organic solvent. The positive electrode active material is mainly composed of a two-phase coexisting compound containing lithium, and also contains particles of a lithium-transition metal oxide with a layered structure. The particles of the layered oxide have an average particle diameter of 2 μm or less, and the percentage content thereof in the positive electrode active material is 5 mass % or less. | 03-07-2013 |
20130078508 | LITHIUM ION BATTERIES BASED ON NANOPOROUS SILICON - A lithium ion battery that incorporates an anode formed from a Group IV semiconductor material such as porous silicon is disclosed. The battery includes a cathode, and an anode comprising porous silicon. In some embodiments, the anode is present in the form of a nanowire, a film, or a powder, the porous silicon having a pore diameters within the range between 2 nm and 100 nm and an average wall thickness of within the range between 1 nm and 100 nm. The lithium ion battery further includes, in some embodiments, a non-aqueous lithium containing electrolyte. Lithium ion batteries incorporating a porous silicon anode demonstrate have high, stable lithium alloying capacity over many cycles. | 03-28-2013 |
20130084489 | LITHIUM SECONDARY BATTERY - A lithium ion secondary battery capable of charging in 15 minutes or less has a cathode with a composite layer on a surface of a collector having an active material and a conducting agent, an anode with an active material, an insulator between the cathode and anode, and an electrolyte with lithium ions. The cathode active material is represented by Li | 04-04-2013 |
20130084490 | ORGANOSILICON AMINE ELECTROLYTE MATERIALS CONTAINING POLYETHER CHAIN AND APPLICATION THEREOF IN ELECTROLYTES OF LITHIUM-ION BATTERIES - The invention provides an organosilicon amine electrolyte material containing a polyether chain, which has a wide range of applications, as well as an application of the electrolyte material in a lithium ion battery. The chemical structure thereof is as shown in Formula 1, wherein R1 and R2 are selected from the same or different C1-C10 alkyls; A is a polyether chain segment having the structure of (CH2) | 04-04-2013 |
20130095376 | ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND SECONDARY BATTERY - An electrode active material for a secondary battery includes a radical compound represented by formula (1): | 04-18-2013 |
20130095377 | LITHIUM CELL AND METHOD OF FORMING SAME - An electrochemical cell including an anode comprising a carbonaceous material, where the carbonaceous material is capable of reversibly incorporating lithium ions therein and lithium metal on the surface thereof, a cathode capable of reversibly incorporating therein lithium ions, and a non-aqueous electrolyte in contact with the anode and the cathode, where the ratio of the capacity to reversibly incorporate lithium ions of the cathode to the capacity to reversibly incorporate lithium ions in the form of LiC | 04-18-2013 |
20130095378 | NONAQUEOUS ELECTROLYTE COMPOSITION AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte composition includes: a nonaqueous solvent; an electrolyte salt; a matrix resin; a filler; and a surfactant. | 04-18-2013 |
20130108919 | ACTIVE MATERIAL FOR RECHARGEABLE BATTERY | 05-02-2013 |
20130122359 | POSITIVE ELECTRODE PLATE FOR USE IN LITHIUM ION SECONDARY BATTERY, LITHIUM ION SECONDARY BATTERY, VEHICLE, DEVICE WITH BATTERY MOUNTED THEREON, AND METHOD FOR PRODUCING POSITIVE ELECTRODE PLATE FOR LITHIUM ION SECONDARY BATTERY - A positive electrode plate for a lithium ion secondary battery is made of aluminum and includes a positive current collecting foil made of aluminum, in which at least a main surface portion constituting a main surface is porous, a positive active material layer formed on the main surface portion of the positive current collecting foil, and a coating layer, having electrical conductivity and corrosion resistance, formed between the positive current collecting foil and the positive active material layer to directly coat the main surface of the positive current collecting foil. | 05-16-2013 |
20130122360 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides a nonaqueous electrolyte secondary battery that includes inside a battery cell; a positive electrode; a negative electrode prepared by using a negative electrode paste containing a silicon-based negative electrode active material; and a nonaqueous electrolyte solution, wherein an ionic compound represented by the following general formula (1) is contained inside the battery cell, | 05-16-2013 |
20130130101 | NEGATIVE ELECTRODE ACTIVE MATERIAL - A negative electrode active material and a secondary battery are provided. The negative electrode active material can be useful in maintaining excellent cell efficiency and lifespan while showing high-capacity properties, and the secondary battery may be manufactured using the negative electrode active material. | 05-23-2013 |
20130136980 | ELECTROCHEMICAL CELL, ELECTRODE COMPOSITION THEREOF AND METHOD FOR MAKING SAME - A composition of the positive electrode comprises at least one electroactive metal, at least one iodide of at least one transition metal, a first alkali metal halide, and an electrolyte salt having a melting point of less than about 300° C. The at least one electroactive metal is selected from the group consisting of titanium, vanadium, niobium, nickel, cobalt, chromium, manganese, silver, antimony, cadmium, tin, lead, iron, and zinc. An electrochemical cell and a method for making an electrochemical cell are also presented. | 05-30-2013 |
20130136981 | COMPONENTS FOR BATTERY CELLS WITH INORGANIC CONSTITUENTS OF LOW THERMAL CONDUCTIVITY - A lithium-ion battery cell is provided that includes at least one inorganic, multi-functional constituent that has a low thermal conductivity and is suitable for reducing or restricting thermal anomalies at least locally. | 05-30-2013 |
20130136982 | ELECTROCHEMICAL DEVICE USING MAGNESIUM ELEMENT-CONTAINING NEGATIVE ELECTRODE - An electrochemical device includes a positive electrode, a negative electrode, and a nonaqueous electrolytic solution, wherein the negative electrode contains a magnesium element, and wherein the nonaqueous electrolytic solution is one obtained after dipping metallic lithium for a predetermined time period. | 05-30-2013 |
20130149602 | LITHIUM-ION SECONDARY ELECTROCHEMICAL CELL AND METHOD OF MAKING LITHIUM-ION SECONDARY ELECTROCHEMICAL CELL - Disclosed are lithium-ion secondary electrochemical cells and methods of making lithium-ion secondary electrochemical cells. | 06-13-2013 |
20130149603 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery has a negative electrode containing graphite particles as a negative electrode active material, a positive electrode containing a lithium-containing oxide of a transition metal or a lithium-containing phosphate of a transition metal as a positive electrode active material, and a non-aqueous electrolyte in which a lithium salt is dissolved in an organic solvent. The graphite particles have an exposed crystal face and are bonded with each other to be parallel to the orientation plane of each other, and the non-aqueous electrolyte contains a phosphate ester compound represented by the following general formula (1) to which an alkynyl group is bonded and/or an unsaturated phosphate ester compound represented by the following general formula (2): | 06-13-2013 |
20130171512 | Hybrid Energy Storage Devices Including Surface Effect Dominant Sites - A novel hybrid lithium-ion anode material based on coaxially coated Si shells on vertically aligned carbon nano fiber (CNF) arrays. The unique cup-stacking graphitic microstructure makes the bare vertically aligned CNF array an effective Li intercalation medium. Highly reversible Li | 07-04-2013 |
20130171513 | MOLTEN SALT BATTERY - Provided is a molten salt battery whose cycle life is improved by using an electrolyte that is unlikely to cause corrosion of aluminum. In the molten salt battery of the present invention, the total concentration of iron ions and nickel ions contained as impurities in the electrolyte composed of a molten salt is set to be 0.1% by weight or less, preferably 0.01% by weight or less. Because of the low total concentration of iron ions and nickel ions contained in the electrolyte, corrosion of the electrode current collector composed of aluminum is inhibited, and the cycle life of the molten salt battery is improved. | 07-04-2013 |
20130183577 | Cathode for a Cell of a Lithium-Ion Battery, Its Manufacturing Process and the Battery Incorporating It - The invention relates to a cathode that is usable in a cell of a lithium-ion battery comprising an electrolyte based on a lithium salt and on a non-aqueous solvent, to a process for manufacturing this cathode and to a lithium-ion battery having one or more cells incorporating this cathode. This cathode is based on a polymer composition, obtained by melt processing and without solvent evaporation, that is the product of a hot compounding reaction between an active material and additives including a polymer binder and an electrically conductive filler. According to the invention, the binder is based on at least one crosslinked elastomer and the additives furthermore comprise at least one non-volatile organic compound usable in the electrolyte solvent, the composition advantageously includes the active material in a mass fraction greater than or equal to 90%. | 07-18-2013 |
20130189571 | ORGANIC ACTIVE MATERIALS FOR BATTERIES - A rechargeable battery includes a compound having at least two active sites, R | 07-25-2013 |
20130189572 | RECHARGEABLE LITHIUM BATTERY - In one aspect, a rechargeable lithium battery that includes a negative electrode including a negative active material including lithium titanium-based oxide; a positive electrode including a positive active material being capable of intercalating and deintercalating lithium; and an electrolyte is provided. | 07-25-2013 |
20130196223 | ELECTRODES INCLUDING A POLYPHOSPHAZENE CYCLOMATRIX, METHODS OF FORMING THE ELECTRODES, AND RELATED ELECTROCHEMICAL CELLS - An electrode comprising a polyphosphazene cyclomatrix and particles within pores of the polyphosphazene cyclomatrix. The polyphosphazene cyclomatrix comprises a plurality of phosphazene compounds and a plurality of cross-linkages. Each phosphazene compound of the plurality of phosphazene compounds comprises a plurality of phosphorus-nitrogen units, and at least one pendant group bonded to each phosphorus atom of the plurality of phosphorus-nitrogen units. Each phosphorus-nitrogen unit is bonded to an adjacent phosphorus-nitrogen unit. Each cross-linkage of the plurality of cross-linkages bonds at least one pendant group of one phosphazene compound of the plurality of phosphazene compounds with the at least one pendant group of another phosphazene compound of the plurality of phosphazene compounds. A method of forming a negative electrode and an electrochemical cell are also described. | 08-01-2013 |
20130202953 | MIXED PHASE LITHIUM METAL OXIDE COMPOSITIONS WITH DESIRABLE BATTERY PERFORMANCE - Mixed phase complex lithium metal oxides are described with an overall stoichiometry represented by a formula Li | 08-08-2013 |
20130202954 | MAGNESIUM BATTERY - The magnesium battery according to the present invention has a negative electrode which is composed of magnesium and a liquid-retaining section in which an aqueous electrolytic solution that can cause the elution of magnesium ions from the negative electrode can be retained. The liquid-retaining section can retain an aqueous solution of a citric acid salt as an aqueous electrolytic solution and can generate an electromotive force sustainably between the negative electrode and a positive electrode. Thus, citric acid salt ions and magnesium ions eluted from the negative electrode form a complex, thereby increasing the solubility of the magnesium ions. As a result, the precipitation of magnesium oxide in the negative electrode can be prevented and magnesium can be electrolyzed sustainably, whereby the negative electrode capacity in the magnesium battery can be sustainably high. | 08-08-2013 |
20130202955 | NONAQUEOUS ELECTROLYTE FOR SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY - Provided are a non-aqueous electrolyte liquid for a secondary battery, which has excellent lithium ion conductibility and voltage resistance and is suitably used in a lithium secondary battery, and a high output power lithium secondary battery containing this non-aqueous electrolyte liquid for a secondary battery. Disclosed is a non-aqueous electrolyte liquid for a secondary battery containing a metal salt containing an ion of a metal which belongs to Group 1 or Group 2 of the Periodic Table of Elements, and at least one selected from the group consisting of silicon compounds represented by the following formula (1) or formula (2). | 08-08-2013 |
20130209869 | Hybrid Energy Storage Devices Including Support Filaments - A novel hybrid lithium-ion anode material based on coaxially coated Si shells on vertically aligned carbon nanofiber (CNF) arrays. The unique cup-stacking graphitic microstructure makes the bare vertically aligned CNF array an effective Li | 08-15-2013 |
20130209870 | Non-Aqueous Electrolyte Battery - A non-aqueous electrolyte battery providing high safety and having stable battery characteristics in which a flame retardant has little effect on the battery characteristics when the battery is in a use environment and in which flame retardance is imparted to a non-aqueous electrolyte when the battery generates an abnormal amount of heat is provided. The battery includes a non-aqueous electrolyte and a large number of flame retardant particles added to the electrolyte as the flame retardant is formed. The particles are made of a material that exists as a solid and does not perform a function of suppressing ignition when the temperature of the electrolyte is equal to or less than a reference temperature at which the electrolyte is likely to start combustion and that is at least partially liquefied and performs a function of suppressing combustion when the temperature of the non-aqueous electrolyte is more than the reference temperature. | 08-15-2013 |
20130230768 | BINDER COMPOSITION FOR NON-AQUEOUS BATTERY ELECTRODE, ELECTROLYTE SOLUTION COMPOSITION FOR NON-AQUEOUS BATTERY, AND USE THEREOF - A binder composition for a non-aqueous battery electrode containing a binder and an ether compound represented by the formula (1), and an electrolyte solution composition for a non-aqueous battery containing an ether compound represented by the formula (1), wherein m and n each independently represent 0 or 1, and R | 09-05-2013 |
20130244096 | LITHIUM SECONDARY BATTERY - Provided is a lithium secondary battery having high stability and high energy density. A lithium secondary battery includes a positive electrode and a negative electrode wherein the positive electrode includes one or more positive electrode active materials selected from LiFe | 09-19-2013 |
20130244097 | COMPOSITE MATERIALS, PRODUCTION THEREOF AND USE THEREOF IN ELECTROCHEMICAL CELLS - A composite material suitable for an inexpensive cathode material for a lithium-sulfur cell. The composite material is obtained by thermally treating a mixture, wherein the mixture comprises: (A) a fluorinated polymer and (B) carbon in a polymorph containing at least 60% sp | 09-19-2013 |
20130244098 | Anode for a Cell of a Lithium-Ion Battery, Its Manufacturing Process and the Battery Incorporating It - An anode usable in a cell of a lithium-ion battery comprising an electrolyte based on a lithium salt and a non-aqueous solvent, to a process for manufacturing this anode and to a lithium-ion battery having one or more cells incorporating this anode. This anode is based on a polymer composition, obtained by melt processing and without solvent evaporation, that is the product of a hot compounding reaction between an active material and additives having a polymer binder and an electrically conductive filler. The binder is based on at least one crosslinked elastomer and the additives furthermore include at least one non-volatile organic compound usable in the electrolyte solvent, the composition advantageously includes the active material in a mass fraction greater than or equal to 85%. | 09-19-2013 |
20130252082 | HARD CARBON MATERIALS - The present application is directed to hard carbon materials. The hard carbon materials find utility in any number of electrical devices, for example, in lithium ion batteries. Methods for making the disclosed carbon materials are also disclosed. | 09-26-2013 |
20130252083 | LEAD-ZINC BATTERY - A rechargeable battery is provided such that the positive electrode comprises lead, the negative electrode zinc, and the electrolyte is an aqueous solution of an alkali metal bisulfate. Upon discharge, lead dioxide is reduced to lead sulfate, zinc is oxidized to zinc oxide, and the electrolyte is converted to an alkali metal hydroxide. The reactions are reversed when the battery is charged. | 09-26-2013 |
20130260222 | Electrode Forming Process for Metal-Ion Battery with Hexacyanometallate Electrode - A method is provided for forming a metal-ion battery electrode with large interstitial spacing. A working electrode with hexacyanometallate particles overlies a current collector. The hexacyanometallate particles have a chemical formula A | 10-03-2013 |
20130260223 | WATER SOLUBLE BINDER COMPOSITION, METHOD OF PRODUCING THE SAME AND ELECTRODE FOR RECHARGEABLE BATTERY EMPLOYING - A water soluble binder composition includes a binder, the binder including a water soluble polyamic acid having an acid equivalent of about 300 to about 600 g/eq. | 10-03-2013 |
20130260224 | OXYGEN SHUTTLE BATTERY - The present invention provides a new rocking-chair-type battery employing oxygen ions as a charge shuttle that can be used to replace lithium ion batteries. The battery of the present invention is an oxygen shuttle battery comprising two electrodes that are comprised of a compound capable of oxygen intercalation at least in part and an electrolyte permeable to oxygen atoms that is present between the two electrodes. The compound capable of oxygen intercalation is, for example, at least one compound selected from the compound denoted by the general formula AMO | 10-03-2013 |
20130260225 | LAYERED MATERIALS WITH IMPROVED MAGNESIUM INTERCALATION FOR RECHARGEABLE MAGNESIUM ION CELLS - Electrochemical devices which incorporate cathode materials that include layered crystalline compounds for which a structural modification has been achieved which increases the diffusion rate of multi-valent ions into and out of the cathode materials. Examples in which the layer spacing of the layered electrode materials is modified to have a specific spacing range such that the spacing is optimal for diffusion of magnesium ions are presented. An electrochemical cell comprised of a positive intercalation electrode, a negative metal electrode, and a separator impregnated with a nonaqueous electrolyte solution containing multi-valent ions and arranged between the positive electrode and the negative electrode active material is described. | 10-03-2013 |
20130260226 | NONAQUEOUS ELECTROLYTE FOR LITHIUM-ION SECONDARY BATTERY AND LITHIUM-ION SECONDARY BATTERY - A nonaqueous electrolyte for a lithium-ion secondary battery containing 0.1 ppm to 20 ppm of vanadium in terms of vanadium ions, and containing cyclic carbonate and chain carbonate is used. | 10-03-2013 |
20130260227 | LITHIUM-ION SECONDARY BATTERY - The negative electrode is formed from silicon, an amount of heat generation in a negative electrode, which is measured by a differential scanning calorimeter within a range of 210 to 380° C. during full charge, is 850 J/g or less, and a cyclic carbonate including ethylene carbonate and a chain carbonate which has a chemical formula expressed by R | 10-03-2013 |
20130266851 | ACTIVE MATERIAL FOR RECHARGEABLE BATTERY - A magnesium-ion battery includes a first electrode including an active material and a second electrode. An electrolyte is disposed between the first electrode and the second electrode. The electrolyte includes a magnesium compound. The active material includes tin. | 10-10-2013 |
20130273419 | SMALL DOMAIN-SIZE MULTIBLOCK COPOLYMER ELECTROLYTES - New block polymer electrolytes have been developed which have higher conductivities than previously reported for other block copolymer electrolytes. The new materials are constructed of multiple blocks (>5) of relatively low domain size. The small domain size provides greater protection against formation of dendrites during cycling against lithium in an electrochemical cell, while the large total molecular weight insures poor long range alignment, which leads to higher conductivity. In addition to higher conductivity, these materials can be more easily synthesized because of reduced requirements on the purity level of the reagents. | 10-17-2013 |
20130288111 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY - Disclosed is a positive electrode according to one embodiment of the present invention that includes a current collector and a positive active material layer on the current collector, wherein the positive active material layer includes a positive active material and activated carbon coated with a fibrous carbon material. | 10-31-2013 |
20130288112 | CYCLIC QUATERNARY AMMONIUM SALT, NONAQUEOUS SOLVENT, NONAQUEOUS ELECTROLYTE, AND POWER STORAGE DEVICE - To provide an ionic liquid which has at least one of properties such as high ionic conductivity, a small reduction in ionic conductivity at a low temperature, a low melting point, and a low viscosity. To provide a power storage device having higher initial charge and discharge efficiency than a power storage device containing a conventional ionic liquid. A cyclic quaternary ammonium salt is liquid at room temperature and contains a quaternary spiro ammonium cation having an asymmetrical structure including two aliphatic rings and one or more substituents bonded to one or both of the two aliphatic rings and an anion corresponding to the quaternary spiro ammonium cation. The power storage device includes a positive electrode, a negative electrode, and a nonaqueous electrolyte containing the cyclic quaternary ammonium salt as a nonaqueous solvent. | 10-31-2013 |
20130295446 | NEGATIVE ELECTRODE MATERIAL FOR LITHIUM BATTERY - A negative electrode material for a lithium ion battery, in which a fine particle (A) containing an element selected from Si, Sn, Ge and In and a carbon particle (B) obtained by heat-treating a petroleum-based coke and/or a coal-based coke at a temperature of 2,500° C. or more are connected through a chemical bond such as urethane bond, urea bond, siloxane bond and ester bond. Also disclosed are a negative electrode sheet obtained by coating a current collector with a paste containing the negative electrode material, a binder and a solvent, and then drying and pressure-forming the paste; and a lithium ion battery incorporating the negative electrode sheet. | 11-07-2013 |
20130295447 | SECONDARY BATTERY WITH ORGANIC ELECTROLYTIC SOLUTION - Disclosed herein is a highly reliable secondary battery with organic electrolytic solution. The secondary battery has a set of plates for the positive and negative electrodes, with a separator interposed between them, and an organic electrolytic solution composed of an organic solvent and an electrolyte dissolved therein. The organic electrolytic solution contains polyethylene glycol and bis-3-sulfopropyl-sulfide-2-sodium. | 11-07-2013 |
20130309561 | Rechargeable lithium cell having a phthalocyanine-based high-capacity cathode - A rechargeable lithium cell comprising: (a) an anode; (b) a cathode comprising a hybrid cathode active material composed of a graphene material and a phthalocyanine compound, wherein the graphene material is in an amount of from 0.1% to 99% by weight based on the total weight of the graphene material and the phthalocyanine compound combined; and (c) a porous separator disposed between the anode and the cathode and electrolyte in ionic contact with the anode and the cathode. This secondary cell exhibits a long cycle life and the best cathode specific capacity and best cell-level specific energy of all rechargeable lithium-ion cells ever reported. | 11-21-2013 |
20130309562 | SECONDARY BATTERY INCLUDING ELECTROLYTE ADDITIVE - Disclosed is a secondary battery including a cathode, an anode, and an electrolyte including a lithium salt and a non-aqueous organic solvent, wherein the electrolyte includes an electrolyte additive to be decomposed at 4.5 V or higher to less than 5.5 V vs. reduction voltage of Li | 11-21-2013 |
20130316227 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention is to provide a non-aqueous electrolyte secondary battery that can suppress a decrease in discharge performance and a decrease in residual capacity after storage at charged state under high temperature. The non-aqueous electrolyte secondary battery includes a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, a non-aqueous electrolyte, and a separator provided between the positive electrode and the negative electrode, the positive electrode active material includes lithium cobaltate and an erbium compound 22 fixed to at least part of the surface of this lithium cobaltate 21, and the non-aqueous electrolyte contains 1,3-bis(isocyanatomethyl)cyclohexane. | 11-28-2013 |
20130316228 | SODIUM ION CONDUCTOR BASED ON SODIUM TITANATE - A sodium ion conductor is described which includes a sodium titanate. Moreover, a also described are a galvanic cell, a sensor having this type of sodium ion conductor ( | 11-28-2013 |
20130323582 | INDIUM-TIN BINARY ANODES FOR RECHARGEABLE MAGNESIUM-ION BATTERIES - A rechargeable magnesium-ion battery includes a first electrode, a second electrode, and an electrolyte layer between the first electrode and the second electrode. The electrolyte includes a source of magnesium ions, such as a magnesium salt. The first electrode includes an active material, the active material including indium and tin, for example as a solid solution or intermetallic compound of indium and tin. | 12-05-2013 |
20130330607 | ELECTROLYTIC SOLUTION AND LITHIUM-ION SECONDARY BATTERY - In a lithium-ion secondary battery using a positive-electrode active material that includes a lithium-manganese-based oxide which includes a lithium (Li) element and a tetravalent manganese (Mn) element and whose crystal structure belongs to a layered rock-salt structure, adding a compound being selected from the group consisting of Compounds (a) through (i) into the electrolytic solution leads to the following: degradations due to oxidation-reduction decompositions of the electrolytic solution, and so on, are inhibited; and not only the shelf or storage capacity and recovered capacity upgrade in the case of being stored at high temperatures, but also the rise of internal resistance is inhibited. | 12-12-2013 |
20130330608 | MOLTEN SALT BATTERY - The molten salt used as an electrolyte of a molten salt battery is a mixed salt between a salt in which the anion is an ion represented by [R1-SO | 12-12-2013 |
20130337317 | NONAQUEOUS ELECTROLYTIC SOLUTION, AND BATTERY USING SAME - The invention relates to a nonaqueous electrolytic solution comprising an electrolyte and a nonaqueous solvent, the nonaqueous electrolytic solution comprising a specific compound. | 12-19-2013 |
20140038034 | LIGNIN-BASED ACTIVE ANODE MATERIALS SYNTHESIZED FROM LOW-COST RENEWABLE RESOURCES - A method of making an anode includes the steps of providing fibers from a carbonaceous precursor, the carbon fibers having a glass transition temperature T | 02-06-2014 |
20140038035 | POSITIVE ACTIVE MATERIAL COMPOSITION FOR RECHARGEABLE LITHIUM BATTERY, POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY INCLUDING THE POSITIVE ACTIVE MATERIAL COMPOSITION, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE POSITIVE ACTIVE MATERIAL COMPOSITION - A positive active material composition for a rechargeable lithium battery that includes a positive active composite material including a compound being reversibly capable of intercalating and deintercalating lithium, WO | 02-06-2014 |
20140038036 | ELECTRODE ACTIVE MATERIAL AND SECONDARY BATTERY - In a secondary battery utilizing redox by a radical site, charge-discharge is carried out in such a manner that a lithium ion moves between a positive electrode and a negative electrode (rocking chair-type). An anion in an amount necessary for electrode doping during charge-discharge is made unnecessary, thereby reducing the amount of an electrolytic solution. A secondary battery with a large energy density is achieved. Provided is an electrode active material including at least one polymer including a radical site capable of being converted into a first cation, and an anion site capable of being bonded with the first cation or a second cation. | 02-06-2014 |
20140045053 | DISPERSANT, DISPERSION, METHOD FOR ADJUSTING VISCOSITY OF DISPERSANT, MOBILE DEVICE, SURFACE TREATMENT AGENT, ELECTROLYTIC SOLUTION, SEPARATOR, AND RECHARGEABLE LITHIUM ION BATTERY - A dispersant of the present invention is used after being added to a dispersant obtained by dispersing fine particles of a crystalline polymer as a dispersed particle and is characterized by containing a copolymer of a first monomer and a second monomer, the first monomer being a monomer that can be crystallized as a polymer having the molecular structure identical to that of the dispersed particle. | 02-13-2014 |
20140045054 | BATTERY ELECTRODE AND LITHIUM ION SECONDARY BATTERY PROVIDED WITH SAME - There are provided a battery electrode wherein an active material layer is formed on a collector surface, and the layer contains an active material and a block copolymer having a vinyl alcohol polymer block; and a lithium ion secondary battery having a laminate structure in which a pair of electrodes having an active material layer are disposed in such a manner that the active material layers face each other via a separator, and an electrolyte composition containing a lithium-containing electrolyte salt fills the gaps between the pair of electrodes and the separator, wherein at least one of the pair of electrodes is the above battery electrode. Thus, there can be provided a lithium ion secondary battery which can be easily produced and be less polarized, exhibiting excellent charge/discharge properties and cycle characteristics. | 02-13-2014 |
20140045055 | LITHIUM-ALUMINUM BATTERY - A secondary battery capable of charging and discharging includes a positive electrode, a negative electrode, and an electrolytic solution, wherein the negative electrode permits aluminum to deposit thereon and the positive electrode permits lithium to be released therefrom at the time of discharging. The secondary battery excels conventional ones in output density and safety. | 02-13-2014 |
20140050972 | LITHIUM ION BATTERIES WITH HIGH ENERGY DENSITY, EXCELLENT CYCLING CAPABILITY AND LOW INTERNAL IMPEDANCE - Batteries with particularly high energy capacity and low internal impedance have been described herein. The batteries can exhibit extraordinary long cycling with acceptable low amounts of fade. Pouch batteries using high specific capacity lithium rich metal oxide as positive electrode material combined with graphitic carbon anode can reach an energy density of at least about 180 Wh/kg at a rate of C/3 from 4.35V to 2V at room temperature while having a room temperature areas specific DC resistance of no more than about 75 ohms-cm | 02-20-2014 |
20140050973 | POROUS CARBON INTERLAYER FOR LITHIUM-SULFUR BATTERY - The present disclosure relates to an electrochemical cell including an anode, a sulfur-containing cathode, a lithium-ion-containing electrolyte, and a porous carbon interlayer disposed between the anode and the cathode. The interlayer may be permeable to the electrolyte. The interlayer may be formed from a multiwall carbon nanotube (MWCNT) or a microporous carbon paper (MCP). | 02-20-2014 |
20140050974 | SODIUM SECONDARY BATTERY - Because of being equipped with a positive electrode, a negative electrode and a sodium-ion nonaqueous electrolyte, and because the positive electrode includes a sulfur-based positive-electrode active material containing carbon (C) and sulfur (S), it is possible to inhibit sulfur from eluting out into electrolytic solution, thereby resulting in a sodium secondary battery that makes it feasible to undergo charging and discharging for 100 cycles or more reversibly. | 02-20-2014 |
20140057161 | Electrolyte Additive for Rechargeable Lithium Battery and Rechargeable Lithium Battery Including Same - An electrolyte additive for a rechargeable lithium battery, represented by the following Chemical Formula 1: | 02-27-2014 |
20140057162 | GLASS CERAMIC THAT CONDUCTS LITHIUM IONS, AND USE OF SAID GLASS CERAMIC - A glass ceramic is provided that has at least one crystal phase that conducts lithium ions and a total content of Ta | 02-27-2014 |
20140072865 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery includes a compound represented by Chemical Formula 1: | 03-13-2014 |
20140079986 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same, and the electrolyte includes a lithium salt, a non-aqueous organic solvent, and an additive,
| 03-20-2014 |
20140079987 | Nonaqueous Electrolyte Solution and Lithium Ion Battery - A nonaqueous electrolyte and a lithium ion battery with reduced temporal variations in battery characteristics from initial values are provided. A mixed solution is prepared by dissolving a lithium salt such as LiPF | 03-20-2014 |
20140087248 | NONAQUEOUS ELECTROLYTE RECHARGEABLE BATTERY - A nonaqueous electrolyte rechargeable battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The nonaqueous electrolyte contains a film forming agent, and at least two films are formed in layers at least at a part of a surface of the negative electrode in accordance with charging and discharging of the nonaqueous electrolyte rechargeable battery. The film forming agent includes at least one kind of lithium salt having an oxalate complex. Among the at least two films, an innermost film is an oxalate complex-derived film that is derived from the oxalate complex and has a thickness equal to or greater than a film formed on an outer side of the innermost film. The film forming agent includes a compound having a LUMO level higher than the lithium salt incorporated in the oxalate complex-derived film as a high LUMO film forming agent. | 03-27-2014 |
20140087249 | LITHIUM ION BATTERY - The purpose of the present invention is to provide a lithium-ion battery that exhibits excellent long-term life properties, does not suffer from rapid capacity degradation, and exhibits excellent charging/discharging characteristics in low-temperature environments. The present invention is directed to a lithium ion battery comprising: a negative electrode which comprises a negative electrode active material containing at least one of a graphite and an amorphous carbon, conductive additives containing a graphite, and a binder; a nonaqueous electrolyte solution; and a positive electrode containing a positive electrode active material capable of occluding and releasing lithium. The negative electrode active material has a spherical or massive shape, the conductive additives have a platy shape, and a part of an edge surface of the conductive additives contacts a surface of the negative electrode active material. The nonaqueous electrolyte solution contains a solvent, and an additive which reductively decomposes at a voltage lower than a reduction voltage of the solvent. | 03-27-2014 |
20140099536 | METHOD FOR MANUFACTURING CARBON-SULFUR COMPOSITE, CARBON-SULFUR COMPOSITE MANUFACTURED THEREBY, AND LITHIUM-SULFUR BATTERY - The present invention relates to a method for manufacturing a carbon-sulfur composite, a carbon-sulfur composite manufactured by the method, and a lithium-sulfur battery including the same. In the carbon-sulfur composite manufactured by the method for manufacturing the carbon-sulfur composite, the sulfur is filled up to inside of the carbon balls, and thereby uniformly distributed. Accordingly, the sulfur content is increased, resulting to increase of capacity property, and also electrode structure does not collapse even though the sulfur is changed to a liquid phase while charging or discharging the battery, resulting to showing stable cycle property. | 04-10-2014 |
20140106214 | LAYERED MATERIALS WITH IMPROVED MAGNESIUM INTERCALATION FOR RECHARGEABLE MAGNESIUM ION CELLS - Electrochemical devices which incorporate cathode materials that include layered crystalline compounds for which a structural modification has been achieved which increases the diffusion rate of multi-valent ions into and out of the cathode materials. Examples in which the layer spacing of the layered electrode materials is modified to have a specific spacing range such that the spacing is optimal for diffusion of magnesium ions are presented. An electrochemical cell comprised of a positive intercalation electrode, a negative metal electrode, and a separator impregnated with a nonaqueous electrolyte solution containing multi-valent ions and arranged between the positive electrode and the negative electrode active material is described. | 04-17-2014 |
20140113186 | Materials for Battery Electrolytes and Methods for Use - Described herein are materials for use in electrolytes that provide a number of desirable characteristics when implemented within batteries, such as high stability during battery cycling up to high temperatures high voltages, high discharge capacity, high coulombic efficiency, and excellent retention of discharge capacity and coulombic efficiency over several cycles of charging and discharging. In some embodiments, a high voltage electrolyte includes a base electrolyte and a set of additive compounds, which impart these desirable performance characteristics. | 04-24-2014 |
20140120414 | Materials for Battery Electrolytes and Methods for Use - Described herein are materials for use in electrolytes that provide a number of desirable characteristics when implemented within batteries, such as high stability during battery cycling up to high temperatures high voltages, high discharge capacity, high coulombic efficiency, and excellent retention of discharge capacity and coulombic efficiency over several cycles of charging and discharging. In some embodiments, a high voltage electrolyte includes a base electrolyte and a set of additive compounds, which impart these desirable performance characteristics. | 05-01-2014 |
20140127560 | STABILIZATION OF BATTERY ELECTRODES USING PRUSSIAN BLUE ANALOGUE COATINGS - An electrochemical apparatus (e.g. a battery (cell)) including an aqueous electrolyte and one or two electrodes (e.g., an anode and/or a cathode), one or both of which includes a Prussian Blue analogue (PBA) material of the general chemical formula A | 05-08-2014 |
20140127561 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - To provide a high-capacity non-aqueous electrolyte secondary battery with superior output characteristics and durability. | 05-08-2014 |
20140134477 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY PACK - A nonaqueous electrolyte secondary battery according to an embodiment includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The negative electrode contains a negative electrode active material. A lithium insertion-extraction reaction potential of a negative electrode active material is higher than the oxidation-reduction potential of lithium by a value of 1 V or more. The nonaqueous electrolyte contains an electrolytic salt, a nonaqueous solvent, at least one hydroxyalkylsulfonic acid, and at least one sulfonate. | 05-15-2014 |
20140141322 | POSITIVE ACTIVE MATERIAL COMPOSITION FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY - Disclosed is a positive active material composition that includes a positive active material and an additive represented by the following Chemical Formula 1. | 05-22-2014 |
20140147738 | Electrode Composite Material, Preparation Method Thereof, Cathode And Battery Including The Same - An electrode composite material is disclosed in the invention. The electrode composite material comprises AB | 05-29-2014 |
20140147739 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY PACK - According to an embodiment, a nonaqueous electrolyte secondary battery including a positive electrode, a negative electrode containing a lithium titanium composite oxide having a spinel structure as a negative electrode active material, and a nonaqueous electrolyte, wherein the lithium titanium composite oxide that is the negative electrode active material has an average particle size based on a mass basis of 0.3 μm or more but 0.9 μm or less, and a lithium carbonate content rate of the negative electrode is 0.1% by mass or less per mass of the negative electrode active material, is provided. | 05-29-2014 |
20140147740 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING POSITIVE ELECTRODE ACTIVE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING POSITIVE ELECTRODE - Provided is a positive electrode active material for a nonaqueous electrolyte secondary battery in which generation of gas resulting from a reaction between a lithium transition metal complex oxide and an electrolyte is suppressed even when the battery is stored at high temperature, thereby improving the reliability of the battery, suppressing deterioration of the lithium transition metal complex oxide, and suppressing the decrease in battery capacity. In the positive electrode active material, a compound containing zirconium and fluorine is attached to a surface of lithium cobaltate. This positive electrode active material can be produced by spraying a solution containing zirconium and fluorine onto lithium cobaltate while stirring lithium cobaltate. | 05-29-2014 |
20140162117 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND PRODUCTION METHOD THEREOF - According to the embodiment, there is provided a nonaqueous electrolyte secondary battery comprising a positive electrode; a negative electrode including a negative electrode active material layer; and a nonaqueous electrolyte. The negative electrode active material layer contains carbon dioxide and releases the carbon dioxide in the range of 0.01 ml to 3 ml per 1 g when heated at 400° C. for 1 minute. The nonaqueous electrolyte contains carbon dioxide of 50 ml/L to 1000 ml/L. | 06-12-2014 |
20140170475 | ELECTRODES, ELECTROCHEMICAL CELLS, AND METHODS OF FORMING ELECTRODES AND ELECTROCHEMICAL CELLS - Electrodes and methods of forming electrodes are described herein. The electrode can be an electrode of an electrochemical cell or battery. The electrode includes a current collector and a film in electrical communication with the current collector. The film may include a carbon phase that holds the film together. The electrode further includes an electrode attachment substance that adheres the film to the current collector. | 06-19-2014 |
20140170476 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR ENERGY STORAGE DEVICES AND METHOD FOR MAKING THE SAME - The described embodiments provide an energy storage device that includes a positive electrode including an active material that can store and release ions, a negative electrode including an active material that is a lithiated nano-architectured active material including tin and at least one stress-buffer component, and a non-aqueous electrolyte including lithium. The negative electrode active material is nano-architectured before lithiation. | 06-19-2014 |
20140170477 | ADDITIVE FOR LEAD-ACID BATTERY AND LEAD-ACID BATTERY - An additive for lead-acid battery including sulfonated polyacrylic acid aimed at extending the battery life by preventing the sulfation of the negative electrode, and a lead-acid battery using the additive. | 06-19-2014 |
20140178747 | COMPOSITE ELECTRODE MATERIAL OF LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY - A composite electrode material of a lithium secondary battery and a lithium secondary battery are provided. The composite electrode material of the lithium secondary battery at least includes an electrode active powder and a nanoscale coating layer coated on the surface of the electrode active powder, wherein the nanoscale coating layer is composed of a metastable state polymer, a compound A, a compound B, or a combination thereof. The compound A is a monomer having a reactive terminal functional group, and the compound B is a heterocyclic amino aromatic derivative used as an initiator. The weight ratio of the nanoscale coating layer to the composite electrode material of the lithium secondary battery is 0.005% to 10%. | 06-26-2014 |
20140178748 | ELECTROLYTE ADDITIVE AND ELECTROLYTE INCLUDING SAME AND LITHIUM RECHARGEABLE BATTERY INCLUDING ELECTROLYTE - Disclosed is an electrolyte additive represented by the following Chemical Formula 1, and an electrolyte for a rechargeable lithium battery including the electrolyte additive, and a rechargeable lithium battery including the electrolyte. | 06-26-2014 |
20140178749 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY - In an aspect, a positive active material for a rechargeable lithium battery that includes a first positive active material; and a second positive active material including Li | 06-26-2014 |
20140178750 | LITHIUM/GRAPHITE FLUORIDE PRIMARY BATTERY AND METHOD FOR ITS MANUFACTURING - A lithium/graphite fluoride primary battery prepared by a process which includes providing a graphite fluoride powder, mechanically milling the graphite fluoride powder so as to obtain an active material, providing a mixture comprising the active material and an electrically conductive carbon so as to form a part of a positive electrode, providing a body comprising lithium as a part of a negative electrode, and forming an electrochemical cell with the positive electrode and the negative electrode. | 06-26-2014 |
20140186694 | CATHODE FORMED USING AQUEOUS SLURRY - In one embodiment, a positive electrode is formed by a process that includes forming a slurry including particles dispersed within a liquid from a electrode formulation and the liquid such that the particles have a particle size distribution D | 07-03-2014 |
20140186695 | SULFUR-INFUSED CARBON FOR SECONDARY BATTERY MATERIALS - In one aspect, a method of producing a sulfur-infused carbonaceous material as a cathode material for use in a Li—S battery is described, including providing a carbonaceous material; mixing elemental sulfur with the carbonaceous material; and heating the mixed sulfur and the carbonaceous material at a temperature from about 445° C. to about 1000° C. for a period of time and under a pressure greater than 1 atm to generate a sulfur vapor to infuse the carbonaceous material to result in a sulfur-infused carbonaceous material. In another aspect, a reactor for producing a sulfur-infused carbonaceous material as a cathode material for use in a Li—S battery is described, including a reactor body capable of withstanding a pressure from about 1 atm to about 150 atm; and an inner sulfur-resistant layer at the inner surface of the reactor, wherein the inner layer is inert to sulfur vapor at a temperature from about 450° C. to about 1000° C. | 07-03-2014 |
20140199585 | Low Symmetry Molecules And Phosphonium Salts, Methods Of Making And Devices Formed There From - Synthesis of molecules and salts is disclosed having low average symmetry and their use in many applications, including but not limited to: as electrolytes in electronic devices such as memory devices including static, permanent and dynamic random access memory, as electrolytes in energy storage devices such as batteries, electrochemical double layer capacitors (EDLCs) or supercapacitors or ultracapacitors, electrolytic capacitors, as electrolytes in dye-sensitized solar cells (DSSCs), as electrolytes in fuel cells, as a heat transfer medium, high temperature reaction and/or extraction media, among other applications. In particular, synthesis methods and processes to form molecules and salts having low average symmetry using mixed Grignard reagents are disclosed. | 07-17-2014 |
20140212745 | POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY - In an aspect, a positive active material for a rechargeable lithium battery including: a compound that reversibly intercalates and deintercalates lithium; and a coating layer coating the compound and including a metal nitrate is disclosed. Since the positive active material is structurally stable during the charge and discharge, the obtained battery may have excellent battery capacity and cycle-life characteristics and also have high power. | 07-31-2014 |
20140212746 | LITHIUM SECONDARY BATTERY FOR HIGH VOLTAGE - A lithium secondary battery for producing a high voltage, the lithium secondary battery including a negative electrode; a cyclic polyamine compound as an additive; and a positive electrode including a high-voltage spinel-type positive active material represented by Formula 1: | 07-31-2014 |
20140220426 | PHOSPHORUS CONTAINING COMPOUND, METHOD OF PREPARING SAME, AND ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A phosphorous containing compound represented by the following Chemical Formula 1, a method of preparing the phosphorous containing compound, an electrolyte for a rechargeable lithium battery including the phosphorous containing compound, and a rechargeable lithium battery including the electrolyte. | 08-07-2014 |
20140234699 | ANODE MATERIALS FOR MAGNESIUM ION BATTERIES - A compound of the formula: A | 08-21-2014 |
20140242452 | LITHIUM ION BATTERY - A lithium-ion cell has a positive electrode comprising at least one active material comprising a lithium transition metal compound in a binder comprising at least one binder material with functional groups selected from alkali and alkaline earth salts of acid groups and hydroxyl groups, amine groups, isocyanate groups, urethane groups, urea groups, amide groups, and combinations of these; a negative electrode comprising metallic lithium or a lithium host material with appropriately low operation voltage vs. metallic lithium; a nonaqueous solution of a lithium salt; and an electrically nonconductive, ion-pervious separator positioned between the electrodes. | 08-28-2014 |
20140242453 | ELECTROLYTE AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - An electrolyte for a rechargeable lithium battery including a lithium salt, a non-aqueous organic solvent, and an additive, wherein the additive includes a compound represented by Chemical Formula 1 | 08-28-2014 |
20140242454 | ELECTROLYTE WITH SOLID ELECTROLYTE INTERFACE PROMOTERS - An electrolyte solution usable in a lithium or lithium-ion battery, among other types of batteries that offers one or more of the following: improved stability (e.g., stable discharge capacities even after several cycles), elimination of the risk of unintentionally producing hydrochloric acid, improved thermal stability, and reduced production costs associated with manufacturing a battery. Indeed, the inventors have discovered an unexpected result that by including an additive to a dinnimitride salt (e.g., LiDN), the discharge capacity of the battery may improve beyond what is available in the prior art, including LiPF6. For example, production costs may be decreased since LiDN is not water-sensitive, so precautions to ensure that the compound is not exposed to water may be avoided. Further benefits include thermal stability since LiDN may be more thermally stable when compared to LiPF6. | 08-28-2014 |
20140242455 | Si/C COMPOSITE, METHOD OF PREPARING THE SAME, AND ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY INCLUDING THE Si/C COMPOSITE - Provided are a Si/C composite, in which carbon (C) is dispersed in an atomic state in a silicon (Si) particle, and a method of preparing the Si/C composite. | 08-28-2014 |
20140242456 | NONAQUEOUS ELECTROLYTE AND NONAQUEOUS SECONDARY BATTERY USING SAME - The invention provides a nonaqueous electrolyte for batteries and a nonaqueous secondary battery using the same which maintains small internal resistance and high electric capacity in high temperature storage. The nonaqueous electrolyte has an electrolyte salt, a compound of general formula (1), and a compound of general formula (2) dissolved in an organic solvent. The ratio of the compound of formula (2) to the sum of the compound of formula (1) and the compound of formula (2) is 0.1 to 8 mass %. In the formulae, R | 08-28-2014 |
20140242457 | ALUMINUM ION BATTERY INCLUDING METAL SULFIDE OR MONOCRYSTALLINE VANADIUM OXIDE CATHODE AND IONIC LIQUID BASED ELECTROLYTE - An aluminum ion battery includes an aluminum anode, a vanadium oxide material cathode and an ionic liquid electrolyte. In particular, the vanadium oxide material cathode comprises a monocrystalline orthorhombic vanadium oxide material. The aluminum ion battery has an enhanced electrical storage capacity. A metal sulfide material may alternatively or additionally be included in the cathode. | 08-28-2014 |
20140248531 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR ENERGY STORAGE DEVICES AND METHOD FOR MAKING THE SAME - The described embodiments provide an energy storage device that includes a positive electrode including a material that stores and releases ion, a negative electrode including Nb-doped TiO | 09-04-2014 |
20140255770 | Carbon-Sulfur Composite Cathode Passivation and Method for Making Same - A method is provided for forming a carbon-sulfur (C—S) battery cathode. The method forms a C—S nanocomposite material overlying metal current collector. A dielectric is formed overlying the C—S material that is permeable to lithium (Li) ions and electrolyte, but impermeable to polysulfides. Typically, the C—S nanocomposite material is porous and the dielectric forms a uniform coating of dielectric inside C—S nanocomposite pores. The dielectric includes a metal (M) oxide with an oxy bridge formation (M-O-M). The metal (M) may, for example, be Mg, Al, Si, Ti, Zn, In, Sn, Mn, Ni, or Cu. A C—S battery cathode, and a battery with a C—S are also provided. | 09-11-2014 |
20140255771 | POSITIVE ACTIVE MATERIAL COMPOSITION FOR RECHARGEABLE LITHIUM BATTERY, POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY INCLUDING SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed are a positive active material composition for a rechargeable lithium battery, a positive electrode for a rechargeable lithium battery including the same, and a rechargeable lithium battery including the positive electrode. The positive active material composition for a rechargeable lithium battery includes a nickel-based positive active material having pH of greater than or equal to about 11; V | 09-11-2014 |
20140272551 | NONAQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - In general, according to one embodiment, there is provided a nonaqueous electrolyte battery. The nonaqueous electrolyte battery includes a positive electrode containing a lithium nickel cobalt manganese composite oxide, and a negative electrode containing a spinel-type lithium titanium composite oxide, and a nonaqueous electrolyte. The nonaqueous electrolyte battery satisfies the formula (1) (0.92Cβ09-18-2014 | |
20140272552 | NONAQUEOUS ELECTROLYTE BATTERY - In general, according to one embodiment, there is provided a nonaqueous electrolyte battery. The nonaqueous electrolyte battery includes an electrode group containing a positive electrode and a negative electrode, and a nonaqueous electrolyte held in the electrode group. The nonaqueous electrolyte battery satisfies the following relation (1): −0.07≦(D | 09-18-2014 |
20140272553 | Electrolyte Solutions for High Energy Cathode Materials and Methods for Use - Described herein are materials for use in electrolytes that provide a number of desirable characteristics when implemented within batteries, such as high stability during battery cycling up to high temperatures, high voltages, high discharge capacity, high coulombic efficiency, and excellent retention of discharge capacity and coulombic efficiency over several cycles of charging and discharging. In some embodiments, a high voltage electrolyte includes a base electrolyte and a set of additive compounds, which impart these desirable performance characteristics. | 09-18-2014 |
20140287301 | ELECTROCHEMICAL ENERGY STORAGE DEVICES AND COMPONENTS - A battery electrode composition is provided comprising anode and cathode electrodes and an electrolyte ionically coupling the anode and the cathode. At least one of the electrodes may comprise a plurality of active material particles provided to store and release ions during battery operation. The electrolyte may comprise an aqueous metal-ion electrolyte ionically interconnecting the active material particles. Further, the plurality of active material particles may comprise a conformal, metal-ion permeable coating at the interface between the active material particles and the aqueous metal-ion electrolyte. The conformal, metal-ion permeable coating impedes water decomposition at the aforesaid at least one of the electrodes. | 09-25-2014 |
20140287302 | ANODE ACTIVE MATERIAL FOR SODIUM BATTERY, ANODE, AND SODIUM BATTERY - Sodium titanium oxide is used as an anode active material for a sodium battery to improve the cycle properties of the sodium battery. For example, the anode active material is preferably a sodium titanium oxide having the following composition formula (1) or (2). Na | 09-25-2014 |
20140302385 | ELECTRODE FOR LITHIUM SECONDARY BATTERY, LITHIUM SECONDARY BATTERY USING THE SAME, AND METHOD OF FABRICATING THE SAME - A negative electrode for a lithium (Li) secondary battery, a lithium secondary battery using the same, and a method of fabricating the same are provided. The negative electrode for the lithium secondary battery includes a germanium (Ge) structure and a graphene layer directly disposed on a surface of the germanium structure, and the graphene layer is grown on the surface of the germanium structure using a catalyst-free growth process. Accordingly, by directly disposing the graphene layer on the surface of the germanium structure, volume expansion of the germanium structure may be minimized during cycles of an alloying/dealloying reaction with lithium and high electronic conductivity can maintained during long cycles. | 10-09-2014 |
20140302386 | COMPOUNDS HAVING A REDOX GROUP, USE THEREOF AS AN ELECTROLYTE ADDITIVE, ELECTROLYTE COMPOSITION, AND ELECTROCHEMICAL SYSTEMS CONTAINING SAME - The invention relates to compounds comprising a redox group, to the use thereof as an additive to an electrolyte composition, to an electrolyte composition including such an additive, and to electrochemical systems including such an electrolyte composition, in particular lithium or sodium batteries and supercapacitors having a double electric layer. | 10-09-2014 |
20140308578 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND MANUFACTURING METHOD THEREOF - A lithium secondary battery | 10-16-2014 |
20140315078 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - Disclosed is a lithium secondary battery, which is low in capacity loss after overdischarge, having excellent capacity restorability after overdischarge and shows an effect of preventing a battery from swelling at a high temperature. | 10-23-2014 |
20140315079 | METHOD FOR PREPARING PENTACYCLIC ANION SALT - A method for preparing an imidazole compound with the following formula: wherein Rf is a fluorinated alkyl group comprising between 1 and 5 carbon atoms, said method including: (a) the reaction of the diaminomaleonitrile with the following formula: with the compound with the following formula: wherein Y represents a chlorine atom or the OCORf group to form the salified amide compound with the following formula: at temperature T | 10-23-2014 |
20140322595 | PREPARATION OF HIGH ENERGY-DENSITY ELECTRODE MATERIALS FOR RECHARGEABLE MAGNESIUM BATTERIES - An anode active material for a magnesium battery includes a Metal M which electrochemically alloys with magnesium, magnesium, and carbon that are ball milled forming an active material mixture. The mixture may be of the formula: Mg | 10-30-2014 |
20140322596 | ADDITIVE FOR ELECTROLYTE OF LITHIUM BATTERY, ORGANIC ELECTROLYTIC SOLUTION COMPRISING THE SAME, AND LITHIUM BATTERY USING THE ORGANIC ELECTROLYTIC SOLUTION - In an aspect, an additive for an electrolyte of a lithium battery, the additive including a compound including at least three nitrile moieties is provided: | 10-30-2014 |
20140329139 | METHOD OF INCREASING SECONDARY POWER SOURCE CAPACITY - The invention is related to electrical engineering and can be used at secondary power sources manufacturing: Batteries, storage batteries and modules as autonomous power sources for electrical machines, transport vehicles, in particular, cars, and as power sources to portable and mobile electronic devices. | 11-06-2014 |
20140329140 | MATERIAL FOR LITUIM ION SECONDARY BATTERY AND USE OF THE SAME - The invention provides a material for a lithium ion secondary battery, containing an aluminum silicate having an element molar ratio (Si/Al) of silicon (Si) to aluminum (Al) of 0.3 or more and less than 1.0, as well as an anode for a lithium ion secondary battery, a cathode material for a lithium ion secondary battery, a cathode mix for a lithium ion secondary battery, a cathode for a lithium ion secondary battery, an electrolyte solution for a lithium ion secondary battery, a separator for a lithium ion secondary battery, a binder for a lithium ion secondary battery, and a lithium ion secondary battery, which contain the material for a lithium ion secondary battery. | 11-06-2014 |
20140342221 | PROCESS FOR THE MANUFACTURE OF 1, 1'-DIFLUOROSUBSTITUTED DIALKYL CARBONATES, ISOMERS THEREOF AND ELECTROLYTE COMPOSITIONS CONTAINING THEM - Fluoroalkyl alkyl carbonates which are suitable as additives or solvents in lithium ion batteries are prepared from fluoroalkyl fluoroformiates and an aldehyde, preferably formaldehyde and acetaldehyde. 1,1′-difluoromethyl carbonate and 1,1′-di-fluorodiethylcarbonate are the preferred compounds prepared by the process of the present invention. | 11-20-2014 |
20140349176 | ADDITIVE FOR ELECTROLYTE, ELECTROLYTE AND RECHARGEABLE LITHIUM BATTERY - In an aspect, a rechargeable lithium battery that includes a positive electrode; negative electrode; a separator interposed between the positive electrode and the negative electrode; and an electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive is provided. The additive may be an optionally substituted thiophene. | 11-27-2014 |
20140377642 | Electrochemical Battery Cell - An electrochemical battery cell having a negative electrode, an electrolyte containing a conductive salt, and a positive electrode, the electrolyte being based on SO | 12-25-2014 |
20140377643 | POROUS SILICON-BASED ANODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING THE ANODE ACTIVE MATERIAL - Provided are a porous silicon-based anode active material including crystalline silicon (Si) particles, and a plurality of pores on surfaces, or the surfaces and inside of the crystalline silicon particles, wherein at least one plane of crystal planes of at least a portion of the plurality of pores includes a (100) plane, and a method of preparing the porous silicon-based anode active material. Since a porous silicon-based anode active material of the present invention may allow volume expansion, which is occurred during charge and discharge of a lithium secondary battery, to be concentrated on pores instead of the outside of the anode active material, the porous silicon-based anode active material may improve life characteristics of the lithium secondary battery by efficiently controlling the volume expansion. | 12-25-2014 |
20150010810 | ADDITIVE FOR ELECTROLYTE AND ELECTROLYTE AND LITHIUM SECONDARY BATTERY - An additive, the additive being for an electrolyte for a lithium secondary battery and represented by Chemical Formula 1: | 01-08-2015 |
20150024265 | METHOD FOR PREPARING LITHIUM IRON PHOSPHATE NANOPOWDER - The present invention relates to a method for preparing a lithium iron phosphate nanopowder, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a triethanolamine solvent, and (b) putting the mixture solution into a reactor and heating to prepare the lithium iron phosphate nanopowder under pressure conditions of 1 bar to 10 bar, and a lithium iron phosphate nanopowder prepared by the method. When compared to a common hydrothermal synthesis method, a supercritical hydrothermal synthesis method and a glycothermal synthesis method, a reaction may be performed under a relatively lower pressure. Thus, a high temperature/high pressure reactor is not necessary and process safety and economic feasibility may be secured. In addition, a lithium iron phosphate nanopowder having uniform particle size and effectively controlled particle size distribution may be easily prepared. | 01-22-2015 |
20150024266 | METHOD FOR PREPARING LITHIUM IRON PHOSPHATE NANOPOWDER - The present invention relates to a method for preparing a lithium iron phosphate nanopowder, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a glycerol solvent, and (b) putting the mixture solution into a reactor and heating to prepare the lithium iron phosphate nanopowder under pressure conditions of 10 bar to 100 bar, and a lithium iron phosphate nanopowder prepared by the method. When compared to a common hydrothermal synthesis method and a supercritical hydrothermal synthesis method, a reaction may be performed under a relatively lower pressure. When compared to a common glycothermal synthesis method, a lithium iron phosphate nanopowder having effectively controlled particle size and particle size distribution may be easily prepared. | 01-22-2015 |
20150030918 | METHOD FOR PREPARING LITHIUM IRON PHOSPHATE NANOPOWDER - The present invention relates to a method for preparing a lithium iron phosphate nanopowder, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a glycerol solvent, and (b) putting the mixture solution into a reactor and heating to prepare the lithium iron phosphate nanopowder under pressure conditions of 1 bar to 10 bar, and a lithium iron phosphate nanopowder prepared by the method. When compared to a common hydrothermal synthesis method, a supercritical hydrothermal synthesis method and a glycothermal synthesis method, a reaction may be performed under a relatively lower pressure. Thus, a high temperature/high pressure reactor is not necessary and process safety and economic feasibility may be secured. In addition, a lithium iron phosphate nanopowder having uniform particle size and effectively controlled particle size distribution may be easily prepared. | 01-29-2015 |
20150037665 | METHOD FOR PREPARING LITHIUM IRON PHOSPHATE NANOPOWDER COATED WITH CARBON - The present invention relates to a method for preparing a lithium iron phosphate nanopowder coated with carbon, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a glycerol solvent, (b) putting the mixture solution into a reactor and reacting to prepare amorphous lithium iron phosphate nanoseed particle, and (c) heat treating the lithium iron phosphate nanoseed particle thus to prepare the lithium iron phosphate nanopowder coated with carbon on a portion or a whole of a surface of a particle, and a lithium iron phosphate nanopowder coated with carbon prepared by the above method. The lithium iron phosphate nanopowder coated with carbon having controlled particle size and particle size distribution may be prepared in a short time by performing two simple steps. | 02-05-2015 |
20150037666 | METHOD FOR PREPARING LITHIUM IRON PHOSPHATE NANOPOWDER COATED WITH CARBON - The present invention relates to a method for preparing a lithium iron phosphate nanopowder coated with carbon, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a triethanolamine solvent, (b) putting the mixture solution into a reactor and reacting to prepare amorphous lithium iron phosphate nanoseed particle, and (c) heat treating the lithium iron phosphate nanoseed particle thus to prepare the lithium iron phosphate nanopowder coated with carbon on a portion or a whole of a surface of a particle, and a lithium iron phosphate nanopowder coated with carbon prepared by the above method. The lithium iron phosphate nanopowder coated with carbon having controlled particle size and particle size distribution may be prepared in a short time by performing two simple steps. | 02-05-2015 |
20150044548 | ELECTRODE MATERIALS FOR ELECTRICAL CELLS - The present invention relates to electrode materials for electrical cells, containing, as component (A), at least one polymer including polymer chains formed from identical or different monomer units selected from substituted and unsubstituted vinyl units and substituted and unsubstituted C | 02-12-2015 |
20150044549 | Advances in electric car technology - Systems for improving electric storage batteries and their use for powering vehicles. | 02-12-2015 |
20150044550 | SULFUR CATHODE FOR LITHIUM-SULFUR BATTERY - A lithium-sulfur battery uses different binders that exhibit different swelling ratios in an electrolyte as cathode binders and thus having superior cycle performance and battery capacity. A first binder is a binder having a large swelling ratio in an electrolyte, and a second binder is a binder having a small swelling ratio in the electrolyte. The first binder is in direct contact with the active material. The second binder may indirectly contact the active material as being present between a plurality of first binders which are in direct contact with the active material. | 02-12-2015 |
20150044551 | NONAQUEOUS SECONDARY BATTERY - Disclosed is a nonaqueous secondary battery using a positive electrode containing a transition metal and lithium. The battery is prevented from deterioration due to elution of the transition metal from the positive electrode and thereby capable of maintaining small internal resistance and high electrical capacity even after high temperature storage or high-temperature charge and discharge cycles. The battery includes a negative electrode capable of intercalating and deintercalating lithium, a positive electrode containing a transition metal and lithium, and a nonaqueous electrolyte having a lithium salt dissolved in an organic solvent, the nonaqueous electrolyte containing a polycarboxylic ester compound represented by general formula (1) or (2). | 02-12-2015 |
20150044552 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - [Object] To provide a nonaqueous electrolyte secondary battery having excellent output characteristics and excellent thermal stability. | 02-12-2015 |
20150050550 | ORGANIC ELECTROLYTE AND ORGANIC ELECTROLYTE STORAGE BATTERY COMPRISING THE SAME - The present invention provides an organic electrolyte comprising a compound represented by formula (1) as a compound that can be used in organic electrolyte storage batteries with a high charge voltage of 4.7 V or higher (in formula 1, R | 02-19-2015 |
20150050551 | NON-AQUEOUS LIQUID ELECTROLYTE FOR SECONDARY BATTERY AND SECONDARY BATTERY - A non-aqueous liquid electrolyte for a secondary battery, containing: an electrolyte; a polymerizable monomer; and a polymerization initiator in an organic solvent, in which the polymerization initiator has an element of Group XIII of the Periodic Table as a central element thereof and contains a compound capable of producing a radical and a Lewis acid in the liquid. | 02-19-2015 |
20150072224 | VALVE REGULATED LEAD-ACID BATTERY, METHOD FOR PRODUCING THE SAME, AND MOTORCYCLE - A valve regulated lead-acid battery includes a negative electrode plate, a positive electrode plate, and a solution-retainer interposed between the negative electrode plate and the positive electrode plate and retaining an electrolyte solution. The negative electrode plate includes a surface layer in which Si is contained in an electrode material. An alkali metal element is contained in the electrolyte solution. | 03-12-2015 |
20150079463 | NON-AQUEOUS ELECTROLYTE SECONDARY CELL AND METHOD FOR MANUFACTURING SAME - A non-aqueous electrolyte secondary cell has reduced degradation of the electrolytic solution or the anode active material and high cycle durability. The non-aqueous electrolyte secondary cell includes: a cathode capable of doping and de-doping lithium ions; an anode capable of occluding and releasing lithium ions, lithium or a lithium alloy; and an electrolytic solution containing an organic solvent, a lithium salt electrolyte and an additive. The cathode active material of the cathode contains a layered lithium-containing transition metal oxide of formula Li | 03-19-2015 |
20150079464 | NON-AQUEOUS LIQUID ELECTROLYTE FOR SECONDARY BATTERY AND SECONDARY BATTERY - A non-aqueous liquid electrolyte for a secondary battery, containing: a compound represented by formula (I); an electrolyte; and an organic solvent, in which the non-aqueous liquid electrolyte has a viscosity of 20 mPa·s at 25° C. or less, | 03-19-2015 |
20150086859 | CATHODE ACTIVE MATERIAL, AND CATHODE AND MAGNESIUM SECONDARY BATTERY INCLUDING THE CATHODE ACTIVE MATERIAL - A cathode active material for a magnesium secondary battery, the cathode active material including a composite transition metal oxide which is expressed by Chemical Formula 1 and intercalates and deintercalates magnesium: | 03-26-2015 |
20150086860 | POWER STORAGE DEVICE - A power storage device with reduced initial irreversible capacity is provided. The power storage device includes a positive electrode, a negative electrode, and an electrolyte solution. The negative electrode includes a negative electrode active material and a water-soluble polymer. The electrolyte solution includes an ionic liquid. The ionic liquid includes a cation and a monovalent amide anion. | 03-26-2015 |
20150093635 | ADDITIVE FOR AN ELECTROLYTE OF A LITHIUM-BASED SECONDARY BATTERY CELL - An additive is described for an electrolyte of a lithium-based secondary battery cell, including at least one additive unit, which includes a closed capsule, which is filled at least partially with at least one additive dissolved in a fluid or with at least one liquid additive, characterized in that the capsule is designed in coordination with the additive, in such a way that the additive may reach the environment around the capsule by diffusion out of the capsule. | 04-02-2015 |
20150099165 | ELECTROLYTE ADDITIVE FOR A LITHIUM-BASED ENERGY STORAGE DEVICE - The invention relates to an electrolyte for a lithium-based energy storage device comprising at least one lithium salt, a solvent and at least one compound of general formula (1), and to their use in lithium-based energy storage devices. | 04-09-2015 |
20150104701 | LITHIUM ION SECONDARY CELL - Provided is a lithium ion secondary cell using lithium manganese-based oxide as a positive electrode active material, wherein SEI films suppressing deterioration during repeated charge/discharge are easily formed not only on the negative electrode surface, but also on the positive electrode surface, deterioration in capacity upon use, in particular, under high-temperature environments is suppressed, charge/discharge cycle characteristics are improved and lifespan is lengthened. The lithium ion secondary cell includes a positive electrode active material layer containing lithium manganese-based oxide as a positive electrode active material, a negative electrode active material layer containing a negative electrode active material, and an electrolytic solution used to immerse the positive electrode active material layer and the negative electrode active material layer, wherein the positive electrode active material layer contains carbon nanotubes and the electrolytic solution contains sulfonic acid ester. | 04-16-2015 |
20150104702 | ACCUMULATOR MATERIAL AND ACCUMULATOR DEVICE - An electricity storage device including a positive electrode, a negative electrode, and an electrolytic solution located between the positive electrode and the negative electrode. At least one of the positive electrode | 04-16-2015 |
20150111096 | SALT OF BICYCLIC AROMATIC ANIONS FOR LI-ION BATTERIES - The invention relates to the salts of bicyclic imidazole compounds (IV) having general structural formulae in which A represents a monovalent cation, X represents independently a carbon atom, an oxygen atom, a sulphur atom or a nitrogen atom. The invention also relates to the associated production method and to the use thereof, in particular as an electrolyte component for batteries. | 04-23-2015 |
20150111097 | CATHODE ACTIVE MATERIAL, CATHODE INCLUDING THE CATHODE ACTIVE MATERIAL, AND SODIUM SECONDARY BATTERY INCLUDING THE CATHODE - A cathode active material including a composite transition metal oxide including: sodium; a first transition metal; and a second transition metal, wherein the composite transition metal oxide has a first diffraction peak corresponding to a Miller index of (003) and derived from a layered rock salt structure, and a second diffraction peak corresponding to a Miller index of (104) and derived from a cubic rock salt structure in an X-ray powder diffraction (XRD) pattern, wherein an intensity ratio (I | 04-23-2015 |
20150118548 | ELECTROLYTIC SOLUTION, METHOD FOR PREPARING ESTER COMPOUND CONTAINED THEREIN AND LITHIUM SECONDARY CELL - Provided is a lithium secondary cell which has high capacity, suppresses deterioration in capacity and improves cycle characteristics particularly when used in high-temperature environments and has long lifespan. Provided is a lithium secondary cell including a positive electrode active material layer containing a positive electrode active material, a negative electrode active material layer containing a negative electrode active material and an electrolytic solution for immersing the positive and negative electrode active material layers, wherein the electrolytic solution contains at least one certain ester compound. | 04-30-2015 |
20150125741 | NON-AQUEOUS ELECTROLYTIC SOLUTION, SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS - A secondary battery includes: a cathode; an anode; and non-aqueous electrolytic solution including a cyclic ether compound that includes a skeleton and one or more substituent groups introduced into the skeleton. The skeleton includes one or more four-or-more-membered oxygen-containing rings. The one or more substituent groups each are a monovalent group represented by Formula (1). | 05-07-2015 |
20150125742 | RECHARGEABLE LITHIUM ION BATTERY - The rechargeable lithium ion battery includes a positive active material including a lithium compound, a non-aqueous electrolyte including at least one disulfonate ester selected from a cyclic disulfonate ester represented by Chemical Formula 1 and a linear disulfonate ester represented by Chemical Formula 2, and includes at least one carbonate having an unsaturated bond selected from vinylene carbonate and vinylethylene carbonate. The non-aqueous electrolyte may include about 0.05 wt % to about 0.5 wt % of the disulfonate ester based on the total weight of the non-aqueous electrolyte, and about 0.2 wt % to about 1.5 wt % of the carbonate having the unsaturated bond based on the total weight of the non-aqueous electrolyte. | 05-07-2015 |
20150140420 | METHOD FOR MANUFACTURING CARBON-SULFUR COMPOSITE, CARBON-SULFUR COMPOSITE MANUFACTURED THEREBY, AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME - The present invention relates to a method for manufacturing a carbon-sulfur composite, a carbon-sulfur composite manufactured by the method, and an electrochemical device including the same. Since the carbon-sulfur composite manufactured by the carbon-sulfur composite manufacturing method of the present invention includes the hollow carbon ball having the inner hollow which is uniformly filled with sulfur, a sulfur content increases to increase a capacity characteristic increases. In addition, even though sulfur is changed into a liquid state during charge and discharge processes, an electrode structure is not destroyed to realize a stable lifetime characteristic. | 05-21-2015 |
20150147641 | MULTIFUNCTION BATTERY SEPARATOR - Use of a flexible, nonconductive, porous, and thermally tolerant ceramic material as a separator in a lithium-ion battery or lithium-sulfur battery is described. The separator can be made of aluminum oxide and provides excellent mechanical and thermal properties that prevent wear and puncture of the separator caused by particles removed from the electrodes during the charging and discharging process. The separator is designed to mitigate effects of melt shrinkage and facilitate the lithium ion transport, in contrast to separators that include a polymeric material, thus preventing short-circuiting between the positive and the negative electrode. Improved wetting and filling of the separator with electrolyte solution are provided, for improved rate capability of the battery (fast charging and discharging). The separator further reduces the potential for thermal runaway in Li batteries. | 05-28-2015 |
20150147642 | BORON-DOPED GRAPHENE SHEET AS SODIUM-ION BATTERY ANODE - A sodium-ion battery having a boron-doped graphene sheet as an anode active material is provided. The boron-doped graphene sheet is of formula B | 05-28-2015 |
20150295276 | ELECTROLYTIC SOLUTION FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY - The present invention provides an electrolytic solution for a non-aqueous secondary battery, the electrolytic solution including: an organic metal compound; an electrolyte; and an organic solvent, in which the organic metal compound includes a central metal and a multidentate ligand, and the ligand includes an oxygen atom bonded to the central metal, and a nitrogen atom or a sulfur atom bonded to the central metal. | 10-15-2015 |
20150303467 | ANODE COMPOSITIONS FOR SODIUM-ION BATTERIES AND METHODS OF MAKING SAME - A sodium ion battery. The battery includes a cathode that includes sodium, an electrolyte that include sodium, and an electrochemically active anode material. The electrochemically active anode material includes an electrochemically active phase and an electrochemically inactive phase. The electrochemically active phase and the electrochemically inactive phase share at least one common phase boundary. The electrochemically active phase does not comprise oxygen, sulfur, or a halogen. The electrochemically active phase is essentially free of crystalline grains that are greater than 40 nm. | 10-22-2015 |
20150303511 | FUNCTIONALIZED CHOLINE CHLORIDE IONIC LIQUID, PREPARATION METHOD THEREOF AND USE IN ELECTROCHEMICAL ENERGY STORAGE DEVICE - The present invention discloses a process for preparing a functionalized choline chloride ionic liquid as defined in formula (I), and thereof use in an electrochemical energy storage device, as an electrolyte solution or an additive for a lithium ion battery and a supercapacitor. The ionic liquid electrolyte material has better biocompatibility, flame retardance, high ionic conductivity, low viscosity, and wide electrochemical window. | 10-22-2015 |
20150303518 | LITHIUM SECONDARY BATTERY - The present invention provides a lithium secondary battery, wherein a peak at 167 to 171 eV and a peak at 160 to 164 eV are present in XPS analysis of sulfur on a negative electrode surface (S2p), and P169/P162 is in the range of 0.7 to 2.0 wherein the P169/P162 is the ratio between the intensity of the peak at 167 to 171 eV (P169) and the intensity of the peak at 160 to 164 eV (P162). | 10-22-2015 |
20150303523 | COMPOSITION FOR EXTENDING LIFE OF LEAD ACID BATTERIES - An additive is for extending the useful life-span of the lead acid batteries. The additive is a safe and environmentally harmless material in the form of an aqueous liquid or an easy-to-use capsule. A method refurbishes lead acid batteries and extends their life-span. | 10-22-2015 |
20150311498 | NEW HIGH CAPACITY CATHODE MATERIAL WITH IMPROVED OPERATING VOLTAGE - The present invention relates to an electrochemical cell comprising an anode of a Group IA metal and a cathode of a composite material prepared from an aqueous mixture of iron sulfate, nickel sulfate, and sulfur. The cathode material of the present invention provides for a lithium electrochemical cell having an increased operating voltage and power performance with high discharge capacity as compared to a lithium cell comprising nickel disulfide cathode material. In addition, the cathode material of the present invention exhibits a smaller initial irreversible voltage loss as compared to iron disulfide. This makes the cathode material of the present invention particularly useful for implantable medical applications. | 10-29-2015 |
20150311527 | LMFP Cathode Materials with Improved Electrochemical Performance - Particulate LMFP cathode materials having high manganese contents and small amounts of dopant metals are disclosed. These cathode materials are made by milling a mixture of precursor materials in a wet or dry milling process. Preferably, off-stoichiometric amounts of starting materials are used to make the cathode materials. Unlike other high manganese LMFP materials, these cathode materials provide high specific capacities, very good cycle life and high energies even at high discharge rates. | 10-29-2015 |
20150333329 | METHOD FOR PREPARING LITHIUM IRON PHOSPHATE NANOPOWDER - The present invention relates to a method for preparing a lithium iron phosphate nanopowder, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a reaction solvent, and (b) putting the mixture solution into a reactor and heating to prepare the lithium iron phosphate nanopowder under pressure conditions of 10 to 100 bar, and a lithium iron phosphate nanopowder prepared by the method. When compared to a common hydrothermal synthesis method and a supercritical hydrothermal synthesis method, a reaction may be performed under a relatively lower pressure. When compared to a common glycothermal synthesis method, a lithium iron phosphate nanopowder having effectively controlled particle size and particle size distribution may be easily prepared. | 11-19-2015 |
20150333363 | COMPOSITE METAL OXIDE, METHOD FOR PRODUCING COMPOSITE METAL OXIDE, AND SODIUM SECONDARY BATTERY - An object of the present invention or a problem to be solved by the present invention is to provide, as a material for use as a positive electrode of a sodium secondary battery, a novel material that allows the resulting battery to have capacity characteristics superior to those of conventional batteries. The composite metal oxide of the present invention has a composition represented by the general formula Na | 11-19-2015 |
20150340737 | METHOD FOR PRODUCING ENERGY STORAGE DEVICE AND ENERGY STORAGE DEVICE - A method including: a placing step of placing an electrode assembly including a positive electrode that contains a positive active material and a negative electrode that contains a negative active material, and an electrolyte solution containing an additive in a container; a charging step of charging the electrode assembly placed in the container; and a hermetically sealing step of hermetically sealing the container after the charging step. When starting charging in the charging step, the electrolyte solution contains 1.0 mass % or less of lithium difluoro bis(oxalate)phosphate as the additive. The charge voltage in the charging step is 4.0 V or more. | 11-26-2015 |
20150346573 | ELECTROCHEMICAL ENERGY STORAGE DEVICES - An energy storage device includes a cathodic material in an activated state; and an anodic material in an activated state; wherein: the cathodic material is a viologen covalently attached to, or confined within, a first polymer matrix, the first polymer matrix is configured to prevent or minimize substantial diffusion of the cathodic material in the activated state; and the anodic material is a phenazine, a phenothiazine, a triphenodithiazine, a carbazole, a indolocarbazole, a biscarbazole, or a ferrocene covalently attached to, or confined within, a second polymer matrix, the second polymer matrix is configured to prevent or minimize substantial diffusion of the anodic material in the activated state. | 12-03-2015 |
20150349332 | LITHIUM ION SECONDARY BATTERY - The present invention relates to a negative electrode for a lithium ion secondary battery, the negative electrode containing a negative electrode active material containing a first carbon and a second carbon, in which the first carbon is spherical graphite, the second carbon is massive graphite, and the sulfur concentration in the first carbon (Sx) and the sulfur concentration in the second carbon (Sy) are each independently 0 ppm or more and 300 ppm or less. | 12-03-2015 |
20150349381 | LITHIUM SECONDARY BATTERY - A lithium secondary battery includes a positive electrode, a negative electrode, and a non-aqueous electrolyte, and more particularly, the positive electrode includes a positive active material including lithium-metal oxide in which at least one metal has the continuous concentration gradient from the center to the surface, and the non-aqueous electrolyte includes a lithium salt, a multinitrile compound, and an organic solvent, thereby improving storage characteristics at a high voltage and lifetime characteristics. | 12-03-2015 |
20150360968 | Manganese Oxide Compositions and their Use as Electrodes for Aqueous Phase Energy Storage Devices - A composition and method of preparation of mixed valence manganese oxide, nickel-doped mixed valence manganese oxide and cobalt-doped mixed valence manganese oxide nanoparticles as well as tri-manganese tetroxide, nickel-doped tri-manganese tetroxide and cobalt-doped tri-manganese tetroxide nanoparticles for use as electrodes for aqueous energy storage devices. | 12-17-2015 |
20150372290 | HYBRID SILICON-METAL ANODE USING MICROPARTICLES FOR LITHIUM-ION BATTERIES - A system and method of forming a silicon-hybrid anode material. The silicon-hybrid anode material including a microparticle mixture of a quantity of silicon microparticles and a quantity of metal microparticles intermixed with the quantity of silicon microparticles in a selected ratio. The microparticle mixture is formed in a silicon-hybrid anode material layer having a thickness of between about 2 and about 15 μm. | 12-24-2015 |
20150372303 | Method for Making Lithium Transition Metal Olivines Using Water/Cosolvent Mixtures - Olivine lithium manganese iron phosphate is made in a coprecipitation process from a water/alcoholic cosolvent mixture. The LMFP particles so obtained exhibit surprisingly high electronic conductivities, which in turn leads to other advantages such as high energy and power densities and excellent cycling performance. | 12-24-2015 |
20160013485 | RECHARGEABLE COPPER-ZINC CELL | 01-14-2016 |
20160013488 | POWER STORAGE ELEMENT | 01-14-2016 |
20160036051 | LITHIUM SECONDARY BATTERY - The present invention relates to a lithium secondary battery, wherein a peak at 167 to 171 eV and a peak at 162 to 166 eV are present in XPS analysis of sulfur (S2p) of a positive electrode surface, and P169/P164 is in the range of 0.7 to 2.0 wherein the P 169/P 164 is the ratio between the intensity of the peak at 167 to 171 eV (P169) and the intensity of the peak at 162 to 166 eV (P164). The present invention can provide a lithium secondary battery having excellent cycle characteristics. | 02-04-2016 |
20160043404 | NANOFIBER ELECTRODES FOR BATTERIES AND METHODS OF MAKING NANOFIBER ELECTRODES - Provided herein is a battery and an electrode. The battery may include two electrodes; and an electrolyte, wherein at least one electrode further includes: a nano-scale coated network, which includes one or more first carbon nanotubes electrically connected to one or more second carbon nanotubes to form a nano-scale network, wherein at least one of the one or more second carbon nanotubes is in electrical contact with another of the one or more second carbon nanotubes. The battery may further include an active material coating distributed to cover portions of the one or more first carbon nanotubes and portions of the one or more second carbon nanotubes, wherein a plurality of the one or more second carbon nanotubes are in electrical communication with other second carbon nanotubes under the active material coating. Also provided herein is a method of making a battery and an electrode. | 02-11-2016 |
20160049638 | ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - Provided are an electrode for a rechargeable lithium battery including a current collector and an active material layer positioned on the current collector, the active material layer includes an electrode active material; binder; a composite material including an acrylonitrile-based resin and a carbon-based material positioned on the surface of the acrylonitrile-based resin; and a pore, and a rechargeable lithium battery including the same. | 02-18-2016 |
20160049689 | RECHARGEABLE ELECTROCHEMICAL BATTERY CELL - Rechargeable lithium battery cell having a housing, a positive electrode, a negative electrode and an electrolyte containing a conductive salt, wherein the electrolyte comprises SO | 02-18-2016 |
20160056506 | IONIC LIQUIDS, ELECTROLYTE SOLUTIONS INCLUDING THE IONIC LIQUIDS, AND ENERGY STORAGE DEVICES INCLUDING THE IONIC LIQUIDS - An ionic liquid including a phosphazene compound that has a plurality of phosphorus-nitrogen units and at least one pendant group bonded to each phosphorus atom of the plurality of phosphorus-nitrogen units. One pendant group of the at least one pendant group comprises a positively charged pendant group. Additional embodiments of ionic liquids are disclosed, as are electrolyte solutions and energy storage devices including the embodiments of the ionic liquid. | 02-25-2016 |
20160072128 | MANGANESE HEXACYANOMANGANATE AS A HIGH-CAPACITY POSITIVE ELECTRODE FOR RECHARGEABLE BATTERIES - Described here is a rechargeable battery comprising (a) an electrode comprising manganese hexacyanomanganate in contact with (b) an electrolyte comprising sodium and/or potassium ions. Also described here is a method for making a sodium-ion rechargeable battery, comprising incorporating manganese hexacyanomanganate into an electrode, and contacting said electrode with an electrolyte comprising sodium ions or potassium ions. | 03-10-2016 |
20160093918 | Electrolyte Solutions for High Energy Cathode Materials and Methods for Use - Described herein are materials for use in electrolytes that provide a number of desirable characteristics when implemented within batteries, such as high stability during battery cycling up to high temperatures, high voltages, high discharge capacity, high coulombic efficiency, and excellent retention of discharge capacity and coulombic efficiency over several cycles of charging and discharging. In some embodiments, a high voltage electrolyte includes a base electrolyte and a set of additive compounds, which impart these desirable performance characteristics. | 03-31-2016 |
20160104888 | POROUS, THIN FILM ELECTRODES FOR LITHIUM-ION BATTERIES - A porous thin film battery is described herein. The battery includes a substrate, a porous thin film cathode formed on the substrate, an electrolyte layer formed on the porous thin film cathode and a porous thin film anode formed on the electrolyte layer. The porous thin film cathode includes a first set of pores initially filled with a quantity of a first polymer material and then the first polymer material is removed to form the first set of pores. The porous thin film anode includes a second set of pores initially filled with a third polymer material and then the third polymer material is removed to form the second set of pores. A method of forming the porous thin film battery is also described. A system for forming the porous thin film battery is also described. | 04-14-2016 |
20160118659 | METAL-ION BATTERY WITH HEXACYANOMETALLATE ELECTRODE - A method is provided for forming a metal-ion battery electrode with large interstitial spacing. A working electrode with hexacyanometallate particles overlies a current collector. The hexacyanometallate particles have a chemical formula A | 04-28-2016 |
20160126539 | CARBON-TREATED COMPLEX OXIDES AND METHOD FOR MAKING THE SAME - The invention relates to a process for the preparation of a carbon-treated complex oxide having a very low water content and to its use as cathode material. | 05-05-2016 |
20160133923 | LITHIUM ION SECONDARY BATTERY, ELECTRIC TOOL, ELECTRIC VEHICLE, AND POWER STORAGE SYSTEM - A lithium ion secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode contains a lithium composite oxide. The negative electrode contains a material including at least one of silicon Si and tin Sn as a constituent element. The lithium composite oxide includes lithium Li having a composition ratio a, a first element having a composition ratio b, and a second element having a composition ratio c as a constituent element. The first element including two kinds or more selected from among manganese Mn, nickel Ni, and cobalt Co, and including at least manganese. The second element including at least one kind selected from among aluminum Al, titanium Ti, magnesium Mg, and boron B. The composition ratios a to c satisfy the relationships of 1.1b+c. | 05-12-2016 |
20160133991 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery comprises a positive electrode, a negative electrode, a separator and a non-aqueous electrolyte and an insulating layer is formed between the positive electrode and the negative electrode, wherein the non-aqueous electrolyte contains a cyclic sulfate compound having a specific structure or a cyclic disulfonate compound having a specific structure. | 05-12-2016 |
20160133992 | DRYING OF ELECTROLYTE MIXTURES CONTAINING ACIDS WITH MOLECULAR SIEVES - The present invention relates to a method for producing a dehydrated liquid mixture for use as a solvent for conducting salts (e.g. LiPF | 05-12-2016 |
20160164077 | Lithium Secondary Battery - Disclosed is a lithium secondary battery, including a cathode, an anode and a non-aqueous electrolyte, wherein the cathode includes a cathode active material containing lithium-metal oxide of which at least one of metals has a concentration gradient region between a core part and a surface part thereof, and the non-aqueous electrolyte includes a lithium salt, a polyfunctional nitrile compound and an organic solvent, such that the high-temperature storage and lifespan properties may be improved. | 06-09-2016 |
20160172660 | ELECTROCHEMICAL CELL AND METHOD OF MAKING THE SAME | 06-16-2016 |
20160172661 | ELECTROCHEMICAL CELL AND METHOD OF MAKING THE SAME | 06-16-2016 |
20160181655 | NON-AQUEOUS ELECTROLYTE STORAGE ELEMENT | 06-23-2016 |
20160181662 | FUNCTIONALIZED CARBORANYL MAGNESIUM ELECTROLYTE FOR MAGNESIUM BATTERY | 06-23-2016 |
20160181663 | FUNCTIONALIZED CARBORANYL MAGNESIUM ELECTROLYTE FOR MAGNESIUM BATTERY | 06-23-2016 |
20160197325 | SEPARATOR PAPER FOR ELECTROCHEMICAL CELLS | 07-07-2016 |
20160197376 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME | 07-07-2016 |
20160197377 | SALTS OF N-CONTAINING HETEROCYCLIC ANIONS AS COMPONENTS IN ELECTROLYTES | 07-07-2016 |
20160254528 | TWO-DIMENSIONAL NANOSHEETS AND METHODS OF MAKING AND USE THEREOF | 09-01-2016 |
20160380269 | HIGH POWER ELECTRODE MATERIALS - An LFP electrode material is provided which has improved impedance, power during cold cranking, rate capacity retention, charge transfer resistance over the current LFP based cathode materials. The electrode material comprises crystalline primary particles and secondary particles, where the primary particle is formed from a plate-shaped single-phase spheniscidite precursor and a lithium source. The LFP includes an LFP phase behavior where the LFP phase behavior includes an extended solid-solution range. | 12-29-2016 |
20170237072 | MAGNESIUM SALTS | 08-17-2017 |
20170237117 | ORGANOSILICON-CONTAINING ELECTROLYTE COMPOSITIONS HAVING ENHANCED ELECTROCHEMICAL AND THERMAL STABILITY | 08-17-2017 |
20170237126 | ORGANIC ELECTROLYTIC SOLUTION AND LITHIUM BATTERY INCLUDING THE SAME | 08-17-2017 |
20180026304 | NON-AQUEOUS ELECTROLYTE, AND NON-AQUEOUS ELECTROLYTE SECONDARY CELL | 01-25-2018 |
20180026305 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY | 01-25-2018 |
20180026314 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, BATTERY ASSEMBLY, AND METHOD OF MANUFACTURING THE SAME | 01-25-2018 |
20190148783 | FIBER-CONTAINING MATS WITH ADDITIVES FOR IMPROVED PERFORMANCE OF LEAD ACID BATTERIES | 05-16-2019 |
20220140391 | Electrolyte for Lithium Secondary Battery and Lithium Secondary Battery Including the Same - The present invention relates to an electrolyte for a lithium secondary battery and a lithium secondary battery including the same. In some embodiments, the electrolyte includes a lithium salt, a first additive, a second additive, and an organic solvent, wherein the first additive includes a compound represented by Formula 1 and the second additive includes a compound represented by Formula 2. | 05-05-2022 |