38th week of 2020 patent applcation highlights part 68 |
Patent application number | Title | Published |
20200295331 | POROUS FILM, SEPARATOR FOR SECONDARY BATTERIES, AND SECONDARY BATTERY - A porous film includes a porous substrate, and a porous layer provided on at least one surface of the porous substrate. The porous layer includes the following resin A and resin B, and satisfies that α/β is less than 1.0, where α is a surface opening ratio of the porous layer and β is a cross-sectional porosity of the porous layer. The resin A is a resin having a melting point of 150° C. or higher, or a resin having no substantial melting point. The resin B is a resin having a melting point of lower than 150° C., or an amorphous resin. | 2020-09-17 |
20200295332 | Materials For Fire Protection - A composite material for fire protection comprises: a) an inorganic fibre core comprising inorganic fibres interlocked or entangled to form a coherent body resistant against separation laminated between b) at least two layers of phyllosilicate insulation the material further comprising a barrier integral to the material to hinder ingress of humidity to edges of the inorganic fibre core. | 2020-09-17 |
20200295333 | SEPARATORS FOR ELECTROCHEMICAL CELLS AND METHODS OF MAKING THE SAME - Separators, materials, and processes for producing electrochemical cells, for example, lithium (Li) metal batteries, and electrochemical cells produced therefrom. Such a separator includes a permeable membrane formed of a first polymer that is hydrophobic and has oppositely-disposed first and second surfaces, a second polymer that is hydrophilic and is incorporated into the first surface of the first polymer so that the first surface of the first polymer is a hydrophilic surface, and a conductive composite layer on the hydrophilic surface. The composite layer contains at least one layer of a carbonaceous material and an aqueous binder that binds the carbonaceous material together and to the hydrophilic. | 2020-09-17 |
20200295334 | BATTERY, BATTERY PACK, AND STATIONARY POWER SUPPLY - According to one embodiment, a battery includes a container member, a separator, a first electrode, a first electrolyte, a second electrode and a second electrolyte. The container member has a housing space in the interior, and the separator is housed in the housing space of the container member. The separator includes a bag, and the first electrode is housed in an interior of the bag. The first electrolyte is retained on the first electrode in the interior of the bag. The second electrode is located outside the bag in the housing space. The second electrolyte is retained by the second electrode outside the bag in the housing space. | 2020-09-17 |
20200295335 | SEPARATORS FOR FLAT PLATE BATTERIES, IMPROVED BATTERIES, AND RELATED METHODS - An exemplary hybrid battery separator is provided with a porous sheet with a folded bottom edge and joined lateral edges that form a pocket. The folded bottom edge may have one or more openings or slits. The hybrid separators of the present disclosure are particularly useful for flat-plate cycling batteries. The separators of the present disclosure may effectively enhance the battery re-chargeability and the backup time. In addition, the separators of the present disclosure may contribute to the reduction of water loss in the battery, lowering the maintenance needs in service. It is expected that batteries having the separators of the present disclosure may be useful in various applications, such as in inverters, golf carts, as well as solar and traction applications. | 2020-09-17 |
20200295336 | BATTERY PACK AND A PRE-ASSEMBLED ELECTRICAL CONNECTION UNIT FOR THE BATTERY PACK - A pre-assembled electrical connection unit for a battery pack includes a bus bar defining a hole, and a cage defines a cavity. The unit also includes a fastener disposed in the cavity and the cage surrounds the fastener. The cage is secured to the bus bar, and the fastener is positioned in the hole and the cavity in an initial position. The fastener is movable to a final position relative to the cage which positions the fastener deeper in the hole of the bus bar. The unit is positioned relative to the battery pack, and the battery pack includes a module terminal. The module terminal includes a terminal nut that is accessible during an assembly process. The unit is placed over the terminal nut during the assembly process such that the fastener aligns with the terminal nut and secures the bus bar to the module terminal in the final position. | 2020-09-17 |
20200295337 | Battery Module Having Structure Facilitating Series-Parallel Connections and Battery Pack Comprising Same - A battery module includes: a unit module stack formed by stacking a plurality of unit modules, each of which has a battery cell, a bus bar attached to an electrode lead provided to the battery cell, and a bus bar frame attached to a terrace portion of the battery cell to accommodate at least a portion of the electrode lead and the bus bar, wherein each bus bar frame includes a connector holder; and a connector fixed by the connector holders of at least two unit modules of the plurality of unit modules to contact the bus bar. | 2020-09-17 |
20200295338 | ELECTRODE PLATE AND ELECTRODE ASSEMBLY USING THE SAME - An electrode assembly includes a cathode electrode plate, an anode electrode plate, and a separator disposed between the cathode electrode plate and the anode electrode plate. At least one of the cathode electrode plate and the anode electrode plate is an electrode plate which includes a current collector and a first conductive connector. The current collector includes an insulating layer having opposite side surfaces, a first conductive layer, a second conductive layer, and two electrode active substance layers. The first conductive layer and the second conductive layer are arranged on opposite side surfaces, and the two electrode active substance layers are coated onto the first conductive layer and the second conductive layer. The first conductive connector electrically connects the first conductive layer and the second conductive layer. The electrode assembly is formed by coiling the cathode electrode plate, the separator, and the anode electrode plate. | 2020-09-17 |
20200295339 | SECONDARY BATTERY - A secondary battery includes: an electrode assembly including an uncoated portion tab, a current collector member connected to the uncoated portion tab and bent with the uncoated portion tab, and a tape member covering connected and bent regions of the uncoated portion tab and the current collector member. | 2020-09-17 |
20200295340 | SEALED BATTERY AND MANUFACTURING METHOD THEREOF - A sealed battery disclosed here comprises an electrode body comprising a positive electrode collector and a negative electrode collector, collector tabs for external connection bonded to the corresponding collector, and a case. Both of bonded portions of the positive and the negative electrode collectors and the positive and negative electrode collector tabs are in the case. At least one of the positive and the negative electrode collectors and the collector tab bonded to the corresponding electrode are made of metals different from each other. An intermetallic compound present at a bonded interface between the collector and the connector tab and is made of the metals different from each other has a maximum diameter of smaller than 1 μm under a transmission electron microscope observation. | 2020-09-17 |
20200295341 | Secondary Battery And Method For Manufacturing The Same - The present invention relates to a secondary battery in which an electrode tab is improved in mechanical strength and a method for manufacturing the same. | 2020-09-17 |
20200295342 | HIGH EFFICIENCY ELECTROCHEMICAL POWER SUPPLY SOURCE FOR AN UNDERWATER VEHICLE - An electrochemical-type power supply source for use in marine environment, is provided with: an electrochemical stack, which generates electric power in the presence, internally, of an electrolytic fluid; a first tank, designed to contain electrolytic fluid at a first temperature; a second tank, designed to contain electrolytic fluid at a second temperature, lower than the first temperature; a thermostatic valve, that mixes electrolytic fluid at a lower temperature with electrolytic fluid at a higher temperature, for generating a mixed electrolytic fluid to be introduced into the electrochemical stack at a controlled temperature for generating a desired electric power. The electrochemical power supply is further provided with an auxiliary tank, adapted to contain electrolytic fluid at a third temperature, higher than the first temperature; and the thermostatic valve is connected to the auxiliary tank and receives, at an input, the electrolytic fluid at the third temperature, as a higher-temperature electrolytic fluid, for generating the mixed electrolytic fluid, in a given operating condition. | 2020-09-17 |
20200295343 | VALVE SYSTEM FOR AN ELECTROCHEMICAL POWER SUPPLY SOURCE, IN PARTICULAR FOR AN UNDERWATER VEHICLE, AND CORRESPONDING ELECTROCHEMICAL POWER SUPPLY SOURCE - An electrochemical-type power supply source is provided with: an electrochemical stack generating electric power, in the presence, internally, of electrolytic fluid, provided with a number of distinct groups of galvanic cells and of a corresponding number of electrolyte inlet pipes for introducing electrolyte into respective groups of galvanic cells and with electrolyte outlet pipes for extracting electrolyte from respective groups of galvanic cells; a main tank, fluidically coupled to the electrochemical stack and containing electrolytic fluid; and a recirculation system, defining a circulation path of the electrolytic fluid between the main tank and the electrochemical stack. A valve system that can be coupled to the electrolyte inlet and/or outlet pipes and operatively controllable to modify hydraulic and electric characteristics of the circulation path, in response to a power delivery condition by the power supply source. | 2020-09-17 |
20200295344 | REDUCED GRAPHENE OXIDE-SILICON METAL PARTICLE COMPLEX, COMPLEX MANUFACTURING METHOD, AND SECONDARY BATTERY ELECTRODE COMPRISING COMPLEX - The present invention relates to a reduced-graphene-oxide/silicon-metal-particle composite, a method of manufacturing the composite and an electrode for a secondary battery including the composite. The method of manufacturing the reduced-graphene-oxide/silicon-metal-particle composite includes preparing a reduced-graphene-oxide dispersion solution by reducing graphene oxide formed through cation-pi interaction, preparing a reduced-graphene-oxide/silicon-metal-particle dispersion solution by mixing the reduced-graphene-oxide dispersion solution with silicon metal particles, and manufacturing a composite powder having a core-shell structure by drying the reduced-graphene-oxide/silicon-metal-particle dispersion solution. Thereby, reduced graphene oxide can be formed using the graphene oxide dispersion solution having few defects and high purity obtained through cation-pi interaction, and dried to afford a composite powder having a core-shell structure, which is applicable to an electrode for a secondary battery. | 2020-09-17 |
20200295345 | METHOD OF MANUFACTURING ELECTROCHEMICAL DEVICE AND ELECTRODES FOR ELECTROCHEMICAL DEVICE - A method of manufacturing electrodes for an electrochemical device in which each of electrodes comprises a current collector | 2020-09-17 |
20200295346 | METHOD FOR PRODUCING ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - To provide a means capable of suppressing the generation of cracks in an electrode active material layer in the production of an electrode for a non-aqueous electrolyte secondary battery. | 2020-09-17 |
20200295347 | Method of Preparing Slurry Composition for Secondary Battery Positive Electrode, Positive Electrode for Secondary Battery Prepared by Using the Same, and Lithium Secondary Battery Including the Positive Electrode - A method of preparing a slurry composition for a secondary battery positive electrode includes preparing a positive electrode active material pre-dispersion by mixing a lithium iron phosphate-based positive electrode active material, a dispersant, and a solvent, and preparing a slurry for a positive electrode by further mixing a conductive agent, a binder, and an additional solvent with the positive electrode active material pre-dispersion is provided. A positive electrode for a secondary battery which is prepared by using the same method, and a lithium secondary battery including the positive electrode are also provided. | 2020-09-17 |
20200295348 | NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME - Disclosed herein is a negative electrode for non-aqueous electrolyte secondary battery that includes a negative electrode current collector, and a negative electrode active material layer. An area change rate and a thickness change rate of the negative electrode active material layer associated with charging are 0.1% or more and 10% or more, respectively. A triangular region having an intersection between first and second straight lines, a first point existing on the first straight line and being away from the intersection in the first direction toward the first side by a first distance, and a second point exists on the second straight line and being away from the intersection in the second direction toward the second side by a second distance, as vertices are cut away such that the triangular region has neither the negative electrode current collector nor the negative electrode active material layer. | 2020-09-17 |
20200295349 | POSITIVE ELECTRODE ACTIVE MATERIAL INCLUDING LITHIUM COBALTATE COATED WITH LITHIUM TITANATE AND MAGNESIUM OXIDE - A positive electrode active material which can improve cycle characteristics of a secondary battery is provided. Two kinds of regions are provided in a superficial portion of a positive electrode active material such as lithium cobaltate which has a layered rock-salt crystal structure. The inner region is a non-stoichiometric compound containing a transition metal such as titanium, and the outer region is a compound of representative elements such as magnesium oxide. The two kinds of regions each have a rock-salt crystal structure. The inner layered rock-salt crystal structure and the two kinds of regions in the superficial portion are topotaxy; thus, a change of the crystal structure of the positive electrode active material generated by charging and discharging can be effectively suppressed. In addition, since the outer coating layer in contact with an electrolyte solution is the compound of representative elements which is chemically stable, the secondary battery having excellent cycle characteristics can be obtained. | 2020-09-17 |
20200295350 | LITHIUM SECONDARY BATTERY POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY - A lithium secondary battery positive electrode with: a metallic foil; and a positive electrode mixture layer formed on a surface of the metallic foil and containing a binding agent, a conductive agent, and a positive electrode active material comprising a lithium-transition metal complex oxide, wherein the positive electrode has a diameter of the liquid-removed space of at most 6.5 mm as measured by a wettability evaluation test, wherein a positive electrode is placed inside a container, and a prescribed test solution is added to a prescribed liquid-surface level, and nitrogen is sprayed thereon from a prescribed pipe at a prescribed pressure. A measurement is taken of the diameter of a region from which the solution has been removed by the spraying, and a mean value of such diameters measured between 0.5 seconds and 1.5 seconds after the initiation of the spraying is used as the diameter of the liquid-removed space. | 2020-09-17 |
20200295351 | NEGATIVE ELECTRODE ACTIVE MATERIAL, AND NEGATIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME - A negative electrode active material including artificial graphite secondary particles comprising artificial graphite primary particles having an average particle diameter (D50) of 10 nm to 9 μm, said artificial graphite secondary particles being formed by granulating said artificial graphite primary particles, wherein a value (V | 2020-09-17 |
20200295352 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF - The present disclosure relates to a negative electrode active material for non-aqueous electrolyte secondary battery and a manufacturing method thereof and, more specifically to, a negative electrode active material for non-aqueous electrolyte secondary battery, the negative electrode active material which not only improves conductivity by reacting, silicon, silicon dioxide and magnesium through a gas phase reaction to produce a reaction product and coating carbon on the surface of the reaction product so as to give conductivity to the reaction product, but also exhibits an effect of greatly improving lifetime characteristics and capacity characteristics by showing a structure that is stable in a volume change caused by intercalation or deintercalation of lithium, and a manufacturing method thereof. | 2020-09-17 |
20200295353 | ELECTRODE SHEET MANUFACTURING METHOD - An electrode sheet manufacturing method includes a first applying step, a second applying step, and a heating-pressing step. In the first and the second applying step, an electrode mixture material is applied on a first surface of a current collector foil. In the first applying step, the backup roll is rotated while being in contact with a second surface of the current collector foil, and the supplying roll is rotated while being supplied with the electrode mixture material in a powder state on the surface of the supplying roll. In addition, a potential difference is produced between these rolls, and the electrode mixture material is moved from the supply roll to the first surface of the current collector foil by an electrostatic force acting between the electrode mixture material and the current collector foil. | 2020-09-17 |
20200295354 | POROUS CARBON, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME - Porous carbon particles, and a positive electrode active material and a lithium secondary battery including the same. This may improve the energy density of the lithium secondary battery by applying a porous electrode containing micropores and mesopores and having a uniform size distribution and shape as a positive electrode material. | 2020-09-17 |
20200295355 | COMPOSITE MATERIAL, ELECTRODE, ELECTRODE DEVICE, POWER STORAGE DEVICE AND METHOD OF MANUFACTURING COMPOSITE MATERIAL - A composite material includes vanadium lithium phosphate, and a conductive carbon. an amount of the conductive carbon is 2.5 mass % or more and 7.5 mass % or less. | 2020-09-17 |
20200295356 | PROCESS FOR PRODUCING SEMICONDUCTOR NANOWIRES AND CARBON/SEMICONDUCTOR NANOWIRE HYBRID MATERIALS - This disclosure provides a process for producing carbon-semiconductor nanowire hybrid material, comprising: (A) preparing a catalyst metal-coated mixture mass, which includes mixing carbon filaments with micron or sub-micron scaled semiconductor particles to form a mixture and depositing a nanoscaled catalytic metal onto surfaces of the carbon filaments and/or semiconductor particles; and (B) exposing the catalyst metal-coated mixture mass to a high temperature environment (preferably from 100° C. to 2,500° C.) for a period of time sufficient to enable a catalytic metal-catalyzed growth of multiple semiconductor nanowires using the semiconductor particles as a feed material to form the carbon-semiconductor nanowire hybrid material composition. An optional etching or separating procedure may be conducted to remove catalytic metal or carbon filaments from the semiconductor nanowires. | 2020-09-17 |
20200295357 | Method for Preparing Positive Electrode Active Material for Secondary Battery, Positive Electrode Active Material Thus Prepared and Lithium Secondary Battery Including the Same - A method for preparing a positive electrode active material for a secondary battery, includes providing a lithium transition metal oxide; forming a mixture by mixing the lithium transition metal oxide, a coating polymer and carbide; and heat-treating the mixture to form a coating layer including a carbonized coating polymer and carbide on the surface of the lithium transition metal oxide particle. | 2020-09-17 |
20200295358 | Negative Electrode for Lithium Secondary Battery, Lithium Secondary Battery Comprising the Same, and Method of Preparing the Negative Electrode - The present invention relates to a negative electrode for a secondary battery which comprises a negative electrode collector, a negative electrode active material layer formed on the negative electrode collector, and a lithium metal layer, wherein an adhesive layer is disposed between the negative electrode active material layer and the lithium metal layer, and the lithium metal layer comprises lithium and metal oxide in a weight ratio of 50:50 to 99:1. | 2020-09-17 |
20200295359 | NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERIES, METHOD FOR MANUFACTURING THE SAME, PASTE FOR NEGATIVE ELECTRODE, NEGATIVE ELECTRODE SHEET, AND LITHIUM ION SECONDARY BATTERY - A negative electrode material for lithium ion secondary batteries, including composite material particles containing nanosilicon particles having a 50% particle diameter (D | 2020-09-17 |
20200295360 | ELECTRODE AND SECONDARY BATTERY INCLUDING THE SAME - An electrode and a secondary battery, the electrode including a conductive substrate; and a plurality of active material layers on the conductive substrate, wherein the plurality of active material layers includes a first active material layer and a second active material layer; the first active material layer is on the substrate, the second active material layer is on the first active material layer; the first active material layer includes a first active material and a first binder; the second active material includes a second active material and a second binder; the first active material layer or the second active material layer includes convex portions and concave portions, and the concave portions have a triangular cross section or a trapezoidal cross section. | 2020-09-17 |
20200295361 | ACTIVE MATERIAL, ELECTRODE, SECONDARY BATTERY, BATTERY PACK AND VEHICLE - According to one embodiment, provided is an active material including monoclinic niobium titanium composite oxide particles, and carbon fibers with which at least a part of surfaces of the monoclinic niobium titanium composite oxide particles is covered. The monoclinic niobium titanium composite oxide particles satisfy 1.5≤(α/β)≤2.5. The monoclinic niobium titanium composite oxide particles have an average primary particle size of 0.05 μm to 2 μm. The carbon fibers contain one or more metal elements selected from the group consisting of Fe, Co and Ni, and satisfy 1/10000≤(γ/σ)≤1/100. The carbon fibers have an average fiber diameter in the range of 5 nm to 100 nm. | 2020-09-17 |
20200295362 | Positive Electrode for Secondary Battery and Lithium Secondary Battery Including the Same - The present invention relates to a positive electrode for a secondary battery to improve stability during overcharge, and a lithium secondary battery including the same, and particularly, to a positive electrode for a secondary battery including a positive electrode active material layer formed on a positive electrode collector, wherein the positive electrode active material layer has a double-layer structure which includes a first positive electrode active material layer formed on the positive electrode collector and a second positive electrode active material layer formed on the first positive electrode active material layer, the first positive electrode active material layer includes a first positive electrode active material, a conductive agent, and a volume expansion resin in which volume expansion occurs at a high temperature during overcharge, and the second positive electrode active material layer includes a second positive electrode active material, and a lithium secondary battery including the same. | 2020-09-17 |
20200295363 | ACTIVE MATERIAL, ELECTRODE, SECONDARY BATTERY, BATTERY PACK, AND VEHICLE - According to one embodiment, there is provided an active material represented by a general formula Li | 2020-09-17 |
20200295364 | LITHIUM ION SECONDARY BATTERY - The present embodiment provides a lithium ion secondary battery including a positive electrode containing Li | 2020-09-17 |
20200295365 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes a positive electrode containing a positive electrode active material, a negative electrode, and a nonaqueous electrolyte. The positive electrode active material includes lithium nickel complex oxide, and the lithium nickel oxide has a layered rock-salt structure and is represented by a composition formula of Li | 2020-09-17 |
20200295366 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - This positive electrode active material for non-aqueous electrolyte secondary batteries comprises: lithium transition metal oxide particles; a metal compound which contains a metal element M and adheres to the surfaces of the lithium transition metal oxide particles; and a lithium metal compound which contains lithium (Li) and the metal element M and adheres to the surfaces of the lithium transition metal oxide particles. In this connection, the metal element M is composed of at least one substance that is selected from among aluminum (Al), titanium (Ti), manganese (Mn), gallium (Ga), molybdenum (Mo), tin (Sn), tungsten (W) and bismuth (Bi). | 2020-09-17 |
20200295367 | Positive Electrode Active Material for Lithium Secondary Battery and Preparation Method Thereof - Exemplary embodiments of positive electrode active materials in the form of single particles, and a method of preparing each of them, are provided. | 2020-09-17 |
20200295368 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A positive active material for a rechargeable lithium battery includes nickel-based lithium transition metal oxide secondary particles, in which a plurality of primary particles are aggregated. The primary particles include polycrystalline primary particles composed of 2 to 10 single crystals, and each of the single crystals has a particle diameter of about 0.5 μm to about 3 μm. | 2020-09-17 |
20200295369 | HIGH IONIC CONDUCTIVITY RECHARGEABLE SOLID STATE BATTERIES WITH AN ORGANIC ELECTRODE - An improved rechargeable battery may utilize materials that are entirely solid-state. The battery may utilize at least one organic active material for an electrode. The battery may utilize a cathode that comprises quinone(s). An electrolyte of the battery may be an ion-conducting inorganic compound. An anode of the battery may comprise an alkali metal. Further, a carbonyl group of the quinone(s) of the cathode may be reduced into a phenolate and coordinated to an alkali metal ion during discharge and vice versa during charging. | 2020-09-17 |
20200295370 | THERMALLY SELF-CHARGEABLE FLEXIBLE ENERGE STORAGE DEVICE AND METHOD OF FORMING AND OPERATING THE SAME - An energy storage device and method of forming and operating the same. In one embodiment, the energy storage device includes a positive electrode including a first redox polymer deposited on a first conductive porous substrate. The energy storage device also includes a solid-state polyelectrolyte separator operative as a voltage generator, and a negative electrode including a second redox polymer deposited on a second conductive porous substrate, thereby forming an electrochemical cell. | 2020-09-17 |
20200295371 | DISPERSANT FOR CARBON MATERIAL, DISPERSION CONTAINING DISPERSANT FOR CARBON MATERIAL, ELECTRODE SLURRY FOR ALL-SOLID LITHIUM-ION SECONDARY BATTERY, MANUFACTURING METHOD FOR ELECTRODE FOR ALL-SOLID LITHIUM-ION SECONDARY BATTERY, ELECTRODE FOR ALL-SOLID LITHIUM-ION SECONDARY BATTERY, AND ALL-SOLID LITHIUM-ION SECONDARY BATTERY - The present invention provides a dispersant for carbon materials, the dispersant containing a copolymer having a nitrogen-containing group, wherein the copolymer has a nitrogen content of 0.01 wt % or more and 5 wt % or less and the copolymer has an SP value of 8.0 to 12 (cal/cm | 2020-09-17 |
20200295372 | BINDER COMPOSITION FOR SECONDARY BATTERY, SLURRY COMPOSITION FOR SECONDARY BATTERY, FUNCTIONAL LAYER FOR SECONDARY BATTERY, ELECTRODE LAYER FOR SECONDARY BATTERY, AND SECONDARY BATTERY - Provided is a binder composition for a secondary battery with which a slurry composition for a secondary battery having low foaming can be produced, and that can improve handleability of a functional layer or electrode layer formed using the produced slurry composition for a secondary battery. The binder composition for a secondary battery contains a polymer A and a solvent. The polymer A includes an amide group-containing monomer unit and a carboxylic acid ester-containing monomer unit including an alkyl chain having a carbon number of not less than 2 and not more than 9. Content of the carboxylic acid ester-containing monomer unit in the polymer A is not less than 12 mass % and not more than 28 mass %. | 2020-09-17 |
20200295373 | Electrode Binder Slurry Composition for Lithium Ion Electrical Storage Devices - The present invention provides a slurry composition comprising an electrochemically active material and/or an electrically conductive agent, and a binder comprising a polymer comprising a fluoropolymer dispersed in an organic medium; wherein the organic medium has an evaporation rate less than 10 g/min m | 2020-09-17 |
20200295374 | AQUEOUS LITHIUM ION SECONDARY BATTERY, METHOD FOR PRODUCING ANODE ACTIVE MATERIAL COMPOSITE, AND METHOD FOR PRODUCING AQUEOUS LITHIUM ION SECONDARY BATTERY - Decomposition of an aqueous electrolyte solution when an aqueous lithium ion secondary battery is charged and discharged is suppressed, and the operating voltage of the battery is improved. The aqueous lithium ion secondary battery includes an anode, a cathode, and an aqueous electrolyte solution, the anode including a composite of an anode active material and polytetrafluoroethylene, wherein peaks of the polytetrafluoroethylene at around 1150 cm | 2020-09-17 |
20200295375 | ELECTRODE, SECONDARY BATTERY, BATTERY PACK, AND VEHICLE - According to one embodiment, an electrode is provided. The electrode includes a current collector, an intermediate layer containing a material having electrical conductivity, and an active material-containing layer containing active material particles, in this order. The intermediate layer includes at least one opening and satisfies the following formula (1). | 2020-09-17 |
20200295376 | CARBON SPHERES FOR STABLE, HIGH ENERGY BATTERY ELECTRODES - A battery electrode including a plurality of carbon-based spheres, wherein at least one of said carbon-based spheres includes a shell and a hollow interior, the shell formed from a carbon precursor grafted with heteroatom moieties. A battery that includes a cathode and an anode, wherein either the cathode or the anode includes a plurality of carbon-based spheres, wherein at least one of said carbon-based spheres includes a shell and a hollow interior, the shell formed from a carbon precursor grafted with heteroatom moieties. A process for producing a carbon-based sphere. | 2020-09-17 |
20200295377 | CURRENT COLLECTOR, ELECTRODE PLATE INCLUDING THE SAME AND ELECTROCHEMICAL DEVICE - The present disclosure relates to the field of battery and, in particular, relates to a current collector, an electrode plate including the current collector, and an electrochemical device. The current collector of the present disclosure includes an insulation layer and a conductive layer. The insulation layer is used to support the conductive layer. The conductive layer is used to support an electrode active material layer and is located on at least one surface of the insulation layer. The insulation layer has a density smaller than that of the conductive layer. The insulation layer has a thickness of D | 2020-09-17 |
20200295378 | ELECTRODEPOSITED COPPER FOIL WITH ANTI-BURR PROPERTY - Electrodeposited copper foils possessing properties for manufacturing lithium ion rechargeable secondary batteries are described, including methods of making the electrodeposited copper foils, methods for making the battery, and the resultant battery. The electrodeposited copper foils have a specific burst strength in the range of 1.5 to 4.3 kPa*m | 2020-09-17 |
20200295379 | Intermediate-Temperature Fuel Cell Tailored for Efficient Utilization of Methane - A solid oxide fuel cell capable of directly utilizing hydrocarbons as a fuel source at operating temperatures between 200° C. and 500° C. The anode, electrolyte, and cathode of the solid oxide fuel cell can include technologies for improved operation at temperatures between 200° C. and 500° C. The anode can include technologies for improved direct utilization of hydrocarbon fuel sources. | 2020-09-17 |
20200295380 | APPARATUS COMPRISING MANGANESE-COBALT SPINEL OXIDE/CARBON CATALYST - Provided is an apparatus containing, as a cathode catalyst, a metal oxide/carbon catalyst composition. The metal oxide/carbon catalyst composition includes 40 to 95 wt % porous Mn—Co spinel oxide nanoparticles of the formula Mn | 2020-09-17 |
20200295381 | Carbon Based Electrode with Large Geometric Dimensions - The present invention relates to a carbon based electrode with a large geometrical surface area comprising a frame of an electrically conductive material with several cut-outs with a surface area, which cut-outs are separated from each other by portions of the conductive material, wherein carbon based sub-electrodes dimensioned so as to a least cover the surface area of the cut-outs are positioned in the cut-outs and conductively connected to at least part of each of the portions of the conductive material adjacent to the carbon based sub-electrodes. | 2020-09-17 |
20200295382 | POSITIVE ELECTRODE ACTIVE MATERIAL, POWER STORAGE DEVICE, ELECTRONIC DEVICE, AND METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL - A positive electrode active material includes a plurality of groups of particles. The plurality of groups of particles has a particle diameter of more than or equal to 300 nm and less than or equal to 3 μm. Each of the groups includes two or more particles. The two or more particles are each a lithium-containing complex phosphate including one or more of iron, nickel, manganese, and cobalt. The group of particles includes a first particle and a second particle each having a major diameter and a minor diameter in the upper surface when seen from a predetermined direction. The major diameters of the first and second particles are substantially parallel to each other. The major diameter of the first particle is two to six times larger than the minor diameter of the first particle and the minor diameter of the first particle is more than or equal to 20 nm and less than or equal to 130 nm. | 2020-09-17 |
20200295383 | MANUFACTURING ENHANCED GRAPHITE METALLIC BIPOLAR PLATE MATERIALS - The present invention includes methods of manufacturing a metal infused graphitic material. Also described is how this device may be rendered impermeable. The present invention includes the electroplating/electroless deposition of metal on exposed internal and external surfaces of a porous graphitic substrate. The deposition of metal on the internal structure is accomplished by replacing the void space in the porous substrate with an electrolyte solution containing dissolved metallic species. The plating is initiated either through electrochemical means, electroless means, chemical vapor deposition means, or other means obvious to one familiar in the art of metal plating. A post-deposition bath is also described wherein the plating may be removed from one or both sides of the external surface without impacting the internal pore plating. | 2020-09-17 |
20200295384 | METHOD OF PRODUCING DUMMY CELL AND APPARATUS FOR PRODUCING DUMMY CELL - In a joining method in a method of producing a dummy cell, a dummy structural body and a dummy resin frame member are stacked together into a dummy stack body in a state where an adhesive is interposed between the dummy structural body and the dummy resin frame member, and heat and pressure are applied to the dummy stack body to harden the adhesive to join components of the dummy stack body together into a single piece of the dummy stack body. In the joining step, in a state where a limitation projection is brought into contact with an outer peripheral end surface of the dummy resin frame member to limit outward deformation of the dummy resin frame member, heat and pressure are applied to the dummy stack body. | 2020-09-17 |
20200295385 | POWER SUPPLY APPARATUS FOR VEHICLE - A power supply apparatus for a vehicle includes a fuel cell, an air conditioner condenser, an electrical system radiator, a fuel cell radiator, and a compressor. The air conditioner condenser is disposed in a first circuit of a refrigerant used for air conditioning of a passenger compartment of the vehicle. The electrical system radiator is disposed in a second circuit of a refrigerant used for cooling of in-vehicle electric devices other than the fuel cell. The fuel cell radiator is disposed in a third circuit of a refrigerant used for cooling of the fuel cell. The compressor is disposed in an air passage coupled to the fuel cell and introduces air to the fuel cell through the air passage. One or both of the air conditioner condenser and the electrical system radiator are disposed upstream of the compressor in the air passage. | 2020-09-17 |
20200295386 | WATER EXCHANGER FOR A FUEL CELL BASED POWER GENERATOR - A water exchanger for a fuel cell based power generator includes a plurality of hollow tubular structures. Each respective hollow tubular structure includes a membrane that is selectively permeable to water vapor over oxygen and hydrogen. A manifold is coupled to the tubular structures to provide wet air on one side of the membrane and hydrogen on the other side of the membrane. | 2020-09-17 |
20200295387 | FUEL CARTRIDGE - A fuel cartridge includes an inlet manifold and a plurality of fuel beds containing a hydride material. A first end of each of the fuel beds is coupled to the inlet manifold to receive wet hydrogen via the inlet manifold. An outlet manifold is coupled to a second end of each of the fuel beds to receive dry hydrogen from the fuel beds. The fuel beds are laterally spaced from each other providing space for flow of coolant fluid therebetween. Valves may be included in the inlet and outlet manifolds. | 2020-09-17 |
20200295388 | METHOD FOR QUICKLY HEATING A FUEL CELL SYSTEM - The invention relates to a method for heating a fuel cell system ( | 2020-09-17 |
20200295389 | FUEL CELL BASED POWER GENERATOR - A fuel cell based power generator includes a fuel cell element, an ambient air path configured to receive ambient air and provide the ambient air across a cathode side of the fuel cell element, receive water from the fuel cell element and provide wet air to the water exchanger element, and a fuel cell cooling mechanism associated with the fuel cell element, separate from the ambient air path and configured to cool the fuel cell element. | 2020-09-17 |
20200295390 | FUEL CELL BASED POWER GENERATOR - A controller for a fuel cell based power generator includes a memory and a processor configured to execute executable instructions stored in the memory to receive a pressure in an anode loop of the fuel cell based power generator, wherein the anode loop includes a hydrogen generator and an anode loop blower, and control the anode loop blower such that the hydrogen generator provides hydrogen to an anode of a fuel cell via the blower and the anode loop at a controlled pressure. In further embodiments, the temperatures of the fuel cell and hydrogen generator are independently controlled. | 2020-09-17 |
20200295391 | ENERGY MANAGEMENT METHOD, ENERGY MANAGEMENT APPARATUS, AND ENERGY MANAGEMENT SYSTEM - An energy management method comprises a step A of outputting, by a fuel cell apparatus provided in each of a plurality of facilities, power using fuel, a step B of managing a storage amount of the fuel stored in a storage tank shared by the plurality of facilities, and a step C of allocating the storage amount of the fuel to each of the plurality of facilities. | 2020-09-17 |
20200295392 | FUEL CELL SYSTEM - A fuel cell system configured to supply electric power to load includes: a fuel cell; and a control unit configured to set target electric power to be generated by the fuel cell and control electric power generation by the fuel cell such that the fuel cell generates the target electric power. The control unit is configured to, when setting the target electric power using request electric power that the load requests the fuel cell to generate, execute a fluctuation suppression process for making a fluctuation of the target electric power smaller than a fluctuation of the request electric power. | 2020-09-17 |
20200295393 | FUEL CELL STACK - A fuel cell system includes a first plurality of fuel cells having a cathode and an anode. The plurality of fuel cells is configured to produce electrical power having a current and a voltage output. The plurality of fuel cells includes a first conductive plate and a second conductive plate. A shunt is electrically connected to the first conductive plate and the second conductive plate for shunting voltage output between the cathode and the anode. The shunt is mounted to, and supported by, the plurality of fuel cells. The shunt is connected to a control mechanism to control a shorting of one or more fuel cells of the plurality of fuel cells. The control mechanism is mounted to, and supported by, the plurality of fuel cells. | 2020-09-17 |
20200295394 | IONIC LIQUID CONDUCTIVE MEMBRANE AND METHODS OF FABRICATING SAME - An ionic liquid grafted conductive membrane for fuel cells is disclosed. In accordance with aspects, a fuel cell includes a membrane having: ionic liquid monomers physically covalently bonded to a fluorocarbon polymer substrate, and a solid-state proton conductive network configured to conduct protons above 100° C. | 2020-09-17 |
20200295395 | ELECTROLYTE FOR LITHIUM POLYMER BATTERIES - A solid polymer electrolyte for a battery is disclosed. The solid polymer electrolyte includes a first polymer capable of solvating a lithium salt, a lithium salt, and a second polymer which is at least partially miscible with the first polymer or rendered at least partially miscible with the first polymer; at least a portion of the second polymer being crystalline or vitreous at the internal operating temperature of the battery. | 2020-09-17 |
20200295396 | ENCAPSULATED LITHIUM TITANATE FOR LITHIUM ION BATTERIES - A lithium ion battery including an electrolyte and a lithium titanate negative electrode is provided. The lithium titanate negative electrode includes structures of a lithium titanate core and a conformal layer surrounding each lithium titanate core. The conformal layer either includes titanium oxide with substantially no lithium or has a concentration of lithium ranging from a lower concentration at a surface portion of the layer to a higher concentration at an interior portion of the layer adjacent to the lithium titanate core. A method of preparing the lithium titanate structures and a method of preparing an electrode for a lithium ion battery, wherein the electrode includes lithium titanate structures, are also provided. | 2020-09-17 |
20200295397 | LITHIUM SECONDARY BATTERY - Disclosed herein is a lithium secondary battery that includes an electrode assembly having a weight energy density of 250 Wh/Kg or more, and a heat exhaust layer provided on a surface of the electrode assembly. The electrode assembly has a structure in which a positive electrode and a negative electrode are alternately stacked through a separator. The positive electrode includes a positive electrode current collector and a positive electrode active material layer formed on a surface of the positive electrode current collector. The negative electrode including a negative electrode current collector and a negative electrode active material layer formed on a surface of the negative electrode current collector. | 2020-09-17 |
20200295398 | LITHIUM ION SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - Provided is a lithium ion secondary battery with enhanced charge-discharge characteristics. Disclosed is a lithium ion secondary battery comprising: a columnar anode comprising a carbon fiber assembly having an assembled carbon fiber structure, a cathode, and an ion-conducting, insulating separation film disposed between the cathode and the anode to insulate the cathode and the anode from each other, wherein a void content of the carbon fiber assembly is 20% or more and 40% or less, and wherein at least one of a lithium metal and a lithium alloy is contained in voids of the carbon fiber assembly, when the lithium ion secondary battery is in a fully charged state. | 2020-09-17 |
20200295399 | SOLID ELECTROLYTE AND PREPARATION METHOD THEREOF, AND ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE COMPRISING SAME - Embodiments of the present application relate to a solid electrolyte and a preparation method thereof, and an electrochemical device and an electronic device comprising the same. The solid electrolyte of the present application includes a solid electrolyte material being represented by the chemical formula of Li | 2020-09-17 |
20200295400 | SOLID ELECTROLYTE MATERIAL, ELECTRODE, BATTERY, BATTERY PACK, AND VEHICLE - According to one embodiment, provided is a solid electrolyte material including an oxide, the oxide including an octahedral coordination structure that includes a metal element M and oxygen atoms arranged centering on the metal element M. The metal element M includes Nb and Ta. Amass ratio α | 2020-09-17 |
20200295401 | GRAFTED POLYESTERS AS ELECTROLYTES FOR LITHIUM ION BATTERIES - New polymers with that have polyesters grafted onto polynorbornene backbones have been synthesized. When these grafted polymers are combined with electrolyte salts, such polymer electrolytes have shown excellent electrochemical oxidation stability in lithium battery cells. Their stability along with their excellent ionic transport properties make these grafted polyesters especially suitable as electrolytes in high energy density lithium battery cells. | 2020-09-17 |
20200295402 | GEL POLYMER ELECTROLYTE COMPOSITION, GEL POLYMER ELECTROLYTE PREPARED THEREBY, AND LITHIUM SECONDARY BATTERY INCLUDING THE GEL POLYMER ELECTROLYTE - The present invention relates to a gel polymer electrolyte composition and a lithium secondary battery including the same, and particularly, to a gel polymer electrolyte composition, in which flame retardancy is improved by including an ionic liquid, instead of a non-aqueous organic solvent, as well as a lithium salt, a polymerization initiator, and an oligomer having a specific structure, and a lithium secondary battery in which high-temperature stability is improved by including the same. | 2020-09-17 |
20200295403 | SECONDARY BATTERY, BATTERY PACK, VEHICLE, AND STATIONARY POWER SUPPLY - According to one embodiment, there is provided a secondary battery including a negative electrode, a positive electrode, a first electrolyte, a second electrolyte, and a hydrogel electrolyte. The first electrolyte is in contact with at least a part of the negative electrode. The second electrolyte is in contact with at least a part of the positive electrode. The hydrogel electrolyte includes a gel having a chemically crosslinked structure. A first electrolyte composition of the first electrolyte is different from a second electrolyte composition of the second electrolyte. At least one of the first electrolyte and the second electrolyte includes an aqueous solvent, the aqueous solvent including water. At least a part of at least one of the negative electrode and the positive electrode overlaps at least a part of the hydrogel electrolyte. | 2020-09-17 |
20200295404 | METHOD FOR PRODUCING ALKALI METAL HEXAFLUOROPHOSPHATE, ALKALI METAL HEXAFLUOROPHOSPHATE, METHOD FOR PRODUCING ELECTROLYTE CONCENTRATE COMPRISING ALKALI METAL HEXAFLUOROPHOSPHATE, AND METHOD FOR PRODUCING SECONDARY BATTERY - Provided are method for producing alkali metal hexafluorophosphate, alkali metal hexafluorophosphate powder, method for producing electrolyte concentrate comprising alkali metal hexafluorophosphate, and method for producing secondary battery. The method for preparing alkali metal hexafluorophosphate includes a step of obtaining an alkali metal hexafluorophosphate by reacting phosphorus pentafluoride with alkali metal fluoride in a haloformate solvent. | 2020-09-17 |
20200295405 | BATTERY - A battery includes a first portion and a second portion, in which the first portion includes a first positive electrode layer, a first negative electrode layer, and a first solid electrolyte layer located between the first positive electrode layer and the first negative electrode layer, in which the second portion includes a second positive electrode layer, a second negative electrode layer, and a second solid electrolyte layer located between the second positive electrode layer and the second negative electrode layer, in which the first portion and the second portion are in contact with each other, the second portion is more sharply bent than the first portion, the first solid electrolyte layer contains a first binder, the second solid electrolyte layer contains a second binder, and the second solid electrolyte layer containing the second binder has higher flexibility than a flexibility of the first solid electrolyte layer containing the first binder. | 2020-09-17 |
20200295406 | LITHIUM-ION BATTERY - Some examples include a lithium-ion battery including an electrode assembly, a battery case, and an insulator. The electrode assembly includes a plurality of stacked electrodes. The battery case includes a cover and a housing. The housing includes a bottom, a perimeter side, and an open top. The cover is configured to extend across the open top. The cover and the housing form an interior enclosure to house the electrode assemble with the cover and the housing sealingly coupled at the lip. The insulator includes a body and a profiled portion. The body being generally planar and the profiled portion extending from the body at an angle. The body is disposed between the electrode assembly and the cover of the battery case. The profiled portion extends between the electrode assembly and the lip of the housing. The insulator is to provide a barrier between the electrode assembly and the sealed lip. | 2020-09-17 |
20200295407 | BATTERY SYSTEM - A battery system has first and second cell balancing circuits with a bus bar disposed therebetween. The battery system further includes an integrated circuit measuring a first voltage between two sense lines coupled to opposite ends of the bus bar while the first and second cell balancing circuits are turned off, and determining a voltage value based on the first voltage. The microcontroller receives the voltage value and determines that an open circuit condition exists in the bus bar if the voltage value is greater than a threshold voltage value. | 2020-09-17 |
20200295408 | BATTERY PACK AND DATA TRANSMISSION METHOD BETWEEN THE BATTERY PACK AND ELECTRICAL DEVICE - A battery pack includes a housing, a battery cell group accommodated in the housing, a plurality of battery pack connection terminals coupled to the connection terminals of an electrical device, including a battery pack positive power terminal electrically connected to a negative pole of the battery cell group, a battery pack negative power terminal electrically connected to a positive pole of the battery cell group, a first battery pack terminal to transmit a first type of data, and a second battery pack terminal to transmit a second type of data. Also, a data transmission method between the battery pack and the electrical device enables data collection for data analysis while ensuring normal operation of the battery pack and the electrical device. | 2020-09-17 |
20200295409 | SEMICONDUCTOR DEVICE AND BATTERY MONITORING SYSTEM - A semiconductor device includes: a boosting section configured to output a second voltage boosted from a first voltage; a voltage lowering section configured to output a lowered voltage that has been lowered from the second voltage by a predetermined voltage; a first buffer amp including a non-inverting input terminal connected to an output of the voltage lowering section; a second buffer amp including a non-inverting input terminal that is input with the first voltage; and a difference output section configured to output a voltage corresponding to a difference between output of the first buffer amp and output of the second buffer amp. | 2020-09-17 |
20200295410 | Method for Regenerating Lithium Secondary Battery - A method for regenerating a lithium secondary battery including a lithium resupply step in which a lithium resupply electrode is provided in the secondary battery, and the positive electrode is set as a counter electrode, and the lithium resupply electrode is set as a working electrode to charge lithium ions to the positive electrode through the lithium resupply electrode and a negative electrode discharging step in which, after the lithium ions are resupplied to the positive electrode through the lithium resupply step, the lithium resupply electrode is set as the counter electrode, and the negative electrode is set as the working electrode to completely discharge the negative electrode up to a discharge limit. | 2020-09-17 |
20200295411 | SOLID STATE SWITCH DRIVER CIRCUIT FOR A BATTERY SYSTEM - In a solid state switch (SSS) driver circuit for controlling a solid state switch operated as high side switch between a battery cell stack and a load, the SSS driver circuit includes: a voltage generation circuit; a switch off circuit; and a switch controller connected to a first output node and to a second output node, wherein the switch controller is configured to: receive a ground voltage via a third ground node, and a fourth control signal; and connect the first output node and a gate node of the solid state switch according to the fourth control signal. | 2020-09-17 |
20200295412 | PROTECTION DEVICE AND METHOD FOR SUPERCAPACITOR OF POWER SUPPLY SYSTEM OF VEHICLE - A protection device for a supercapacitor of a power supply system of vehicle, the power supply system including a rechargeable battery, the supercapacitor, and a power generator. The protection device contains a first voltage detector, a second voltage detector, a temperature detector, a processing unit, a control unit, a communication unit, and an alarm. The first voltage detector is coupled with the rechargeable battery to detect and send a voltage value of the rechargeable battery to the processing unit. The second voltage detector is coupled with the supercapacitor to detect and send a voltage value of the supercapacitor to the processing unit. The temperature detector is coupled with the supercapacitor to detect and send a temperature value of the supercapacitor to the processing unit. The control unit includes a first transistor and a second transistor which are connected in series, and the first transistor and the second transistor are Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET). | 2020-09-17 |
20200295413 | SEMICONDUCTOR DEVICE, BATTERY UNIT, AND BATTERY MODULE - A semiconductor device capable of monitoring the state of a battery or the like is provided. The states of a plurality of batteries in a battery module is easily acquired. The semiconductor device that can be attached to an electrode of a battery or the like includes a first substrate, an element layer, and first to third conductive layers. The element layer includes a first circuit and a second circuit and is provided on a side of a first surface of the first substrate. The first conductive layer and the second conductive layer are provided on a side of a second surface positioned opposite to the first surface of the first substrate. The first circuit is electrically connected to each of the first conductive layer and the second conductive layer through an opening provided in the first substrate. The third conductive layer is provided to be stacked on a side opposite to the first substrate side of the element layer and electrically connected to the second circuit. The first conductive layer and the second conductive layer each function as a terminal, and the third conductive layer functions as an antenna. | 2020-09-17 |
20200295414 | SEPARATOR HAVING MELTING-CUTOFF PORTION AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME - Disclosed herein are a secondary battery configured to be prevented from catching fire or exploding in a critical situation such as overcharging and a method of preventing the secondary battery from catching fire or exploding. Since a separator including a low melting point material is used, a short circuit in the battery occurs when the battery is abnormally heated, and the resistance of an electrode is increased when the temperature of the battery increases to a predetermined temperature or higher. As a result, a positive temperature coefficient (PTC) material is operated at a stable State of Charge (SoC). Consequently, it is possible to prevent the occurrence of a thermal runaway phenomenon of the battery. | 2020-09-17 |
20200295415 | PARTITION MEMBER AND ASSEMBLED BATTERY - A partition member includes an encapsulated body capable of retaining a liquid, and an outer package body for accommodating the encapsulated body and the liquid. The area S1 of the encapsulated body when the outer package body and the encapsulated body are seen in a planar view from the thickness direction and the area S2 of a gap between the outer package body and the encapsulated body satisfy the relationship represented by formula 1 below, and the volume V1 of the liquid and the volume V2 of the encapsulated body satisfy the relationship represented by formula 2 below. | 2020-09-17 |
20200295416 | PARTITION MEMBER, ASSEMBLED BATTERY, AND HEAT TRANSFER CONTROL METHOD OF ASSEMBLED BATTERY - A partition member which partitions between a pair of unit batteries or a partition member which partitions between a unit battery and a member other than the unit battery, the thermal resistances θ | 2020-09-17 |
20200295417 | COOLANT DISTRIBUTION INTERFACE FOR A BATTERY MODULE HOUSING - A coolant distribution interface for a battery system includes a battery module housing comprising a coolant channel, and at least one mounting portion located at an entrance of the coolant channel, wherein the mounting portion comprises a first sealing section and a second sealing section; a matching housing comprising a matching coolant channel, and at least one matching mounting portion located at an entrance of the matching coolant channel, wherein the matching mounting portion comprises a first matching sealing section and a second matching sealing section; a joint coolant channel configured to connect the coolant channel of the mounting portion and the matching coolant channel of the matching mounting portion; a shared sealing element locating between the second sealing section and the second matching sealing section; a channel sealing element sealing the first sealing section and first matching sealing section against the joint coolant channel; a security chamber configured to form by the mounting portion, the matching mounting portion, the shared sealing element and channel sealing element; and a testing channel connecting the security chamber with an outside of the battery module housing and the matching housing, wherein the test channel is penetrated at least one of the battery module housing and the matching housing. | 2020-09-17 |
20200295418 | Electric Vehicle Battery Pack Cooling System and Electric Vehicle Battery Pack System Cooling Method Using Same - A battery pack cooling system for an electric vehicle, which may be utilized during quick charging, includes a battery pack; a water-cooling device; a thermoelectric module installed at an coolant conduit of the water-cooling device; a current sensor configured to detect a magnitude of a charging current supplied to the battery pack; and a control unit configured to determine a charging C-rate based on the magnitude of the charging current and configured to operate the thermoelectric module when the charging C-rate is at a preset threshold or above. A method of cooling such a battery pack system for an electric vehicle is also provided. | 2020-09-17 |
20200295419 | COOLING MEMBER AND POWER STORAGE MODULE - A cooling member includes an enclosing member including sheet members that are connected in a liquid tight manner, refrigerant enclosed in the enclosing member, and a medium where the refrigerant moves within the enclosing member. The medium includes an evaporation section where the refrigerant is evaporated and turned into gas, the enclosing member includes a condensation section in which the refrigerant that is in a gaseous state is condensed and turned into liquid. The medium includes acceleration means that accelerates movement of the refrigerant that is in a liquid state to the evaporation section. | 2020-09-17 |
20200295420 | THERMOCOUPLE, BONDING TOOL FOR THERMOCOUPLE, BATTERY MODULE, METHOD FOR MANUFACTURING THERMOCOUPLE, AND METHOD FOR BONDING THERMOCOUPLE - A thermocouple for temperature measurement according to an embodiment may include a first wire of a first metallic material and a second wire of a second metallic material different from the first metallic material, a first section in which the first wire and the second wire are electrically insulated from each other, a second section in which the first wire and the second wire are connected to each other to form a measuring junction, a first layer of a thermally conductive and electrically insulating first material enclosing the second section, and a second layer of an ultrasonic-weldable second material enclosing at least part of the first layer. | 2020-09-17 |
20200295421 | ELECTRONIC IMPEDANCE TUNING APPARATUS FOR MEASURING LOAD-PULL OF MOBILE AMPLIFIER AND ELECTRONIC IMPEDANCE TUNING METHOD THEREFOR - Disclosed are an electronic impedance tuning apparatus for measuring a load-pull of a mobile amplifier and an electronic impedance tuning method therefor. An electronic impedance tuning apparatus according to one embodiment of the present invention comprises: a coupler for transferring, to transmission lines respectively connected to a through port and a coupled port, an input voltage inputted to an input port; a magnitude part for controlling a change in the magnitude of the impedance through a change in length difference of the transmission lines; and a phase part for controlling a change in the phase of the impedance through an equal length change of the transmission lines. | 2020-09-17 |
20200295422 | OPTICAL STRUCTURE FOR IMPARTING A DISTRIBUTED PHASE SHIFT TO AN OPTICAL SIGNAL, ELECTRO-OPTIC MODULATOR INCORPORATING SUCH STRUCTURE FOR REDUCED SIZE, LOW SIGNAL LOSS, AND HIGH EXTINCTION RATIO, AND RELATED SYSTEM AND METHOD - An embodiment of an optical structure includes a core having first and second ends and a first side with a first grating profile having a first phase shift distributed between the first and second ends, and a cladding disposed around the core. Such an optical structure can be used in an electro-optic modulator (EOM), and can render the EOM smaller in size than currently available EOMs. | 2020-09-17 |
20200295423 | BAND-STOP FILTER, TRANSMISSION LINE FOR BAND-STOP FILTER AND MULTIPLEXER - A band-stop filter comprises: a housing having a top wall, a bottom wall and at least one side wall, the housing defining an internal cavity; a signal input port and a signal output port that are respectively disposed on one of the at least one side wall; a resonating element that is disposed in the internal cavity and includes a top, a bottom, and a side; and a transmission line that is disposed in the internal cavity and coupled between the signal input port and the signal output port, the transmission line comprising a coupling section that is coupled to the resonating element, wherein the coupling section is configured to surround more than half of the side of the resonating element and not directly contact the housing and the resonating element. | 2020-09-17 |
20200295424 | COAXIAL RF DUAL-POLARIZED WAVEGUIDE FILTER AND METHOD - Polarization-preserving microwave RF filters having multiple resonators that are each operable for different Q factors for setting overall bandwidth. A coaxial dual-polarized waveguide filter may include a cable having a hollow circular body with ends formed by copper plates that each includes at least one iris. The irises may control the energy transfer into and out of the cavity and therefore set the Q factor for the body. The shape of the internal diameter of the body and the irises may provide for reception and propagation of differently polarized signals. Multiple segments may be cascaded in series to effect higher order filtering. Also described are methods of transmitting signals using these filters. | 2020-09-17 |
20200295425 | NONRECIPROCAL CIRCUIT ELEMENT, MANUFACTURING METHOD OF THE SAME, AND COMMUNICATION APPARATUS USING THE SAME - Disclosed herein is a nonreciprocal circuit element that includes a magnetic rotator disposed between first and second ground conductors, and a permanent magnet that applies a DC magnetic field to the magnetic rotator. The magnetic rotator includes a first ferrite core having a first surface covered with the first ground conductor, a second ferrite core having a second surface covered with the second ground conductor, a first center conductor directly fixed to a third surface of the first ferrite core positioned opposite to the first surface, and a second center conductor directly fixed to a fourth surface of the second ferrite core positioned opposite to the second surface. | 2020-09-17 |
20200295426 | TRANSMISSION LINE STRUCTURES FOR MILLIMETER WAVE SIGNALS - A coplanar waveguide structure includes a dielectric layer disposed over at least a portion of a substrate and a planar transmission line disposed within the dielectric layer. In some instances, the planar transmission line can include a conductive signal line and one or more ground lines. In other instances, the planar transmission line may include a conductive stacked signal line and one or more stacked ground lines. | 2020-09-17 |
20200295427 | USE OF ENHANCED PERFORMANCE ULTRACONDUCTIVE COPPER MATERIALS IN CYLINDRICAL CONFIGURATIONS AND METHODS OF FORMING ULTRACONDUCTIVE COPPER MATERIALS - The present invention relates to use of an enhanced performance ultraconductive copper composite cylindrical conduit. The ultraconductive copper composite cylindrical conduit has enhanced RF conductivity. | 2020-09-17 |
20200295428 | HIGH DIRECTIVITY COMPACT SIZE INTER LAYER COUPLER - A high directivity compact size inter-layer coupler that has application for coupling off a pre-distortion coupling signal from a main signal at an output of a power amplifier to a pre-distortion circuit. The coupler includes a main signal line formed on a surface of a first dielectric layer opposite to a second dielectric layer, where the main signal line receives the main signal, and a coupling line formed between the second dielectric layer and a third dielectric layer, where the coupling line is electromagnetically coupled to the main line so as to generate the coupling signal thereon. The coupling line has a general U-shape including a first leg portion, a second leg portion and a transverse portion between the first and second leg portions. The transverse portion includes a plurality of spaced apart blocks coupled together by a narrow line portion. | 2020-09-17 |
20200295429 | STRUCTURAL BODY, LAMINATED STRUCTURE OF STRUCTURAL BODY, AND ANTENNA STRUCTURE - It has been difficult to suppress electromagnetic wave that propagates within a suspended substrate. The structure according to the present invention is provided with: a first conductor plane and a second conductor plane that are disposed parallel to each other; a dielectric plane that is disposed between the first and second conductor planes via a hollow region so as to be parallel to the first and second conductor planes; a first transmission line disposed on a surface that is of the dielectric plane and that opposes the first conductor plane; and a second transmission line disposed on a surface that is of the dielectric plane and that opposes the second conductor plane, wherein the first transmission line and the second transmission line are electrically connected to each other. | 2020-09-17 |
20200295430 | Dielectric Waveguide Radar Signal Distribution - A system is provided for transmitting sub-terahertz electro-magnetic radio frequency (RF) signals using a dielectric waveguide (DWG) having a dielectric core member surrounded by dielectric cladding. Multiple radar signals may be generated by a radar module that is coupled to a vehicle. A set of DWG segments may be used to transport the radar signals to various launching structures placed in various locations of the vehicle. | 2020-09-17 |