04th week of 2020 patent applcation highlights part 59 |
Patent application number | Title | Published |
20200028110 | LIGHTING APPARATUS USING ORGANIC LIGHT EMITTING DIODE - A lighting apparatus has improved aperture ratio by changing auxiliary lines in a lattice shape into a line shape. In addition, a conductive layer having a high resistance is formed on the entire surface to control excessive current due to a short circuit, and an island-shaped anode is formed in the emission zone to reduce the resistance in the pixel, thereby preventing the luminance from being lowered. | 2020-01-23 |
20200028111 | LIGHTING APPARATUS USING ORGANIC LIGHT EMITTING DIODE - A lighting apparatus including organic light-emitting diodes comprises an anode disposed in an emission area of a substrate; first and second pad electrodes disposed on an outer side of the emission area of the substrate; a short-circuit reduction pattern surrounding an emission zone of each of pixels and formed by removing a part of the anode; a passivation layer comprising the short-circuit reduction pattern and disposed on the anode; an organic layer and a cathode disposed on the passivation layer in the emission area of the substrate; and a metal film disposed in the emission area of the substrate, wherein the short-circuit reduction pattern has a gradually-reducing resistance with an increased distance between the pixels and the first and second pad electrodes. | 2020-01-23 |
20200028112 | ORGANIC LIGHT-EMITTING DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - An organic light-emitting display (OLED) apparatus includes: a first electrode; a second electrode disposed separate from the first electrode; a pixel-defining layer covering an edge of the first electrode and an edge of the second electrode; a first organic functional layer disposed on the first electrode and the pixel-defining layer including a first emission layer; a first opposing electrode covering a top surface and enclosing an outer circumference of side surfaces of the first organic functional layer; a second organic functional layer disposed on the second electrode and the pixel-defining layer including a second emission layer; and a second opposing electrode covering a top surface and enclosing an outer circumference of side surfaces of the second organic functional layer. An area of the first opposing electrode in contact with the pixel-defining layer is greater than an area of the second opposing electrode in contact with the pixel-defining layer. | 2020-01-23 |
20200028113 | ORGANIC LIGHT EMITTING DIODE DISPLAY AND METHOD OF MANUFACTURING THE SAME - Disclosed is an organic light emitting diode display including an organic light emitting display panel configured to display an image, and a lower passivation film attached to a bottom of the organic light emitting diode display panel. The lower passivation film includes a support film that is in contact with the organic light emitting diode display panel, and a stress adjustment layer formed beneath the support film and configured to reduce a bending stress to be induced in the organic light emitting display panel when the organic light emitting display panel and the lower passivation film are bent. | 2020-01-23 |
20200028114 | DISPLAY PANEL AND DISPLAY APPARATUS - A display panel and a display apparatus are provided. An exemplary display panel includes a flexible display substrate; and a protective member covering a surface of the flexible display substrate. The protective member includes a first protective layer and a protective sealant; and a sidewall surface of the first protective layer adjacent to the protective sealant includes at least one first groove member. The first protective sealant and the first groove member clutch with each other; the display panel includes a first non-folding region and a folding region; the first protective layer is disposed in the first non-folding region; and the protective sealant is disposed in the folding region. | 2020-01-23 |
20200028115 | METHOD OF ENCAPSULATING A FLEXIBLE OLED PANEL AND ENCAPSULATION STRUCTURE - The embodiments of the disclosure provide a method of encapsulating a flexible OLED panel and an encapsulation structure of a flexible OLED panel. The method of encapsulating a flexible OLED panel includes: forming a liquid metal layer on a first inorganic barrier layer covering the OLED device; using oxygen to oxidize the liquid metal layer, and forming a liquid metal oxide layer on a surface of the liquid metal layer; and sequentially forming an organic buffer layer and a second inorganic barrier layer on the liquid metal oxide layer to obtain an encapsulation structure. The first inorganic barrier layer, the second inorganic barrier layer, the liquid metal layer and the liquid metal oxide layer could prevent penetration of water and oxygen, and the liquid metal layer and the organic buffer layer could release the interlayer stress of the encapsulation structure in order to keep the flexibility of the encapsulation structure. | 2020-01-23 |
20200028116 | FLEXIBLE OLED DEVICE AND MANUFACTURING METHOD THEREOF - A flexible organic light emitting diode (OLED) device and a manufacturing method thereof are provided. The manufacturing method includes forming a flexible base; forming a light emitting layer on the flexible base; evaporating a barrier material including a precursor polymer, a photoinitiator and a cross-linking agent on a surface of the light emitting layer; and irradiating a light beam on a surface of the barrier material during evaporating the barrier material, so as to form a barrier layer on a surface of the light emitting layer to block water and oxygen. | 2020-01-23 |
20200028117 | DUAL CURE PROTECTIVE DISPLAY FILM - A display film includes a transparent polymeric substrate layer and a transparent energy dissipation layer disposed on the transparent polymeric substrate layer. The transparent energy dissipation layer includes cross-linked polyurethane and a polyacrylate polymer. The transparent energy dissipation layer has a glass transition temperature of 27 degrees Celsius or less and a Tan Delta peak value of 0.5 or greater. | 2020-01-23 |
20200028118 | LIGHT-EMITTING SYSTEM - The refractive index of a third region ( | 2020-01-23 |
20200028119 | FABRICATION OF MULTI-LEVEL GRADED PHOTONIC SUPER-CRYSTALS - Direct pixel-by-pixel phase engineering in a SLM is an effective method for the holographic fabrication of graded photonic super-quasi-crystals with desired disorder and graded photonic super-crystals with rectangular unit-cells. Multiple levels of filling fractions of dielectric in the crystal have been created in the graded regions. Fabrication of these graded photonic super-crystals and super-quasi-crystals with small feature size is possible, using a laser projection system consisting of integrated spatial light modulator and reflective optical element. | 2020-01-23 |
20200028120 | DISPLAY APPARATUS - A display apparatus includes a display module including a display surface. The display module includes a display panel including a plurality of display devices which displays an image on the display surface, a plurality of light concentration lenses arranged on the display panel, a buffer layer disposed on the light concentration lenses, and a plurality of diffraction patterns arranged at regular intervals on the buffer layer, where the diffraction patterns diffract a portion of lights incident thereto. | 2020-01-23 |
20200028121 | ORGANIC ELECTROLUMINESCENT DEVICE, DISPLAY DEVICE, AND ILLUMINATION DEVICE - An organic electroluminescent device having a white light, obtained by light emission from a plurality of light emission units, that comprises red light, green light, and blue light. Among the distribution characteristics of light emitted inside a substrate, the brightness of the white light has a maximum value within an angle range of 0-15° from an axis perpendicular to the planar direction of the substrate and the spectral radiance of the blue light at the maximum emission wavelength has a maximum value within the angle range of 0-20° from the axis perpendicular to the planar direction of the substrate. | 2020-01-23 |
20200028122 | ORGANIC LIGHT-EMITTING DIODE COMPONENT AND MANUFACTURING METHOD THEREOF - An organic light-emitting diode (OLED) component includes a substrate; a pixel defining layer and a plurality of first electrodes over the substrate; an insulating layer correspondingly disposed over the pixel defining layer; a first light-emitting layer over each first electrode; and a charge generation layer over the first light-emitting layer. The plurality of first electrodes are physically separated from one another by the pixel defining layer. The insulating layer is configured to facilitate manufacturing of the OLED component, such that after formation of the charge generation layer without a mask, portions thereof positionally corresponding to any two adjacent first electrodes are physically separated by the insulating layer. The OLED component can be a white light organic light-emitting diode (WOLED) component including at least one other light-emitting layer in addition to the first light-emitting layer. | 2020-01-23 |
20200028123 | Flexible Display Panel and Manufacturing Method Thereof, Flexible Display Device and Manufacturing Method Thereof - A flexible display panel and a method for manufacturing the same, and a flexible display device and a method for manufacturing the same are provided. The method for manufacturing a flexible display panel according to the disclosure includes: forming an adhesion-variable back film on a non-light-exiting surface of a flexible display substrate; cutting the adhesion-variable back film along a boundary of a to-be-removed region; removing the adhesion-variable back film in the to-be-removed region; and increasing adhesion of the adhesion-variable back film to obtain the flexible display panel. | 2020-01-23 |
20200028124 | APPARATUS AND METHOD FOR MANUFACTURING CURVED DISPLAY PANEL - The apparatus includes a carrying machine, a flexible bag, a supporting machine, and an infusion equipment. The carrying machine is used to carry a curved cover. The flexible bag is used to fasten a flexible display device. The supporting machine is used to fasten the flexible bag. The infusion equipment is used to infuse a liquid substance into the flexible bag so that the flexible display device is attached the curved cover. The disclosure can avoid gaps presented between the flexible display device and the curved cover. | 2020-01-23 |
20200028125 | Systems and Methods for Drying Patterned OLED Formulations - A drying chamber for drying a substrate patterned with display areas wetted by OLED materials dissolved or suspended in a volatile carrier liquid and separated from one another by dry boundary regions. A mask adjusts drying rate of the carrier liquid during vacuum extraction using vapor-transmissive areas opposite the wet areas and vapor-barrier regions opposite the dry boundary regions, or by confining the wet areas collectively in a chamber volume small enough to quickly saturate with the carrier liquid before vacuum extraction. | 2020-01-23 |
20200028126 | Techniques for Print Ink Droplet Measurement and Control to Deposit Fluids within Precise Tolerances - An ink printing process employs per-nozzle droplet volume measurement and processing software that plans droplet combinations to reach specific aggregate ink fills per target region, guaranteeing compliance with minimum and maximum ink fills set by specification. In various embodiments, different droplet combinations are produced through different printhead/substrate scan offsets, offsets between printheads, the use of different nozzle drive waveforms, and/or other techniques. These combinations can be based on repeated, rapid droplet measurements that develop understandings for each nozzle of means and spreads for expected droplet volume, velocity and trajectory, with combinations of droplets being planned based on these statistical parameters. Optionally, random fill variation can be introduced so as to mitigate Mura effects in a finished display device. The disclosed techniques have many possible applications. | 2020-01-23 |
20200028127 | SECONDARY BATTERY - A secondary battery includes: an electrode assembly; a pouch case accommodating the electrode assembly; and a finishing tape attached to an outer surface of the electrode assembly and contacting an inner surface of the pouch case. | 2020-01-23 |
20200028128 | Pouch-Shaped Battery Case for Secondary Batteries Capable of Discharging Gas - Disclosed herein is a pouch-shaped battery case, including an electrode assembly, an outer coating layer, a metal barrier layer, and an inner adhesive layer sequentially stacked with one another, a first adhesive layer interposed between the outer coating layer and the metal barrier layer, a second adhesive layer interposed between the metal barrier layer and the inner adhesive layer, an upper case and a lower case sealed to one another by thermal fusion at outer edges thereof, such that the electrode assembly is mounted between the upper case and the lower case, and a gas discharge member providing gas communication between an inside and an outside of the pouch-shaped battery case, the gas discharge member being disposed within a fused portion of the pouch-shaped battery case that is formed by the inner adhesive layer of the upper case and the lower case being thermally fused to one another. | 2020-01-23 |
20200028129 | LI-ION BATTERY HAVING IMPROVED SAFETY AGAINST COMBUSTION - A Li-ion battery is provided in combination with fluorinated material positioned effective to abate combustion by said battery, the fluorinated material being normally non-gaseous and non-liquid and being itself effective to provide the combustion abatement by said battery, such fluorinated material being is such forms as the material of construction of the battery case containing the battery, film wrapped around said battery, and/or semi-solid material at least proximate to the battery, such as by forming a coating on said battery or said film on said battery. | 2020-01-23 |
20200028130 | BATTERY CASE, BATTERY CELL, BATTERY MODULE, AND BATTERY MODULE MANUFACTURING METHOD - A battery case accommodates therein a battery cell that has a first main surface and a second main surface opposite the first main surface. The battery case includes a chassis with which the first main surface of the battery cell comes into contact, and a holding plate that comes into partial contact with the second main surface of the battery cell and presses against the battery cell. | 2020-01-23 |
20200028131 | BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME - A battery module including a case having a wall disposed therein to form a channel along which a fluid circulates; and a plurality of battery cells disposed in the case, wherein the wall is disposed between a pair of neighboring battery cells among the plurality of battery cells, and the fluid flows in through an inlet of the case, circulates between the plurality of battery cells along the wall, and flows out through an outlet of the case. | 2020-01-23 |
20200028132 | BATTERY MODULE - A battery module includes a plurality of cylindrical batteries, a wiring board, a plurality of positive electrode-side current collector members, and a plurality of negative electrode-side current collector members. The wiring board is a wiring board having a multilayer structure in which wiring patterns are formed in a plurality of layers, and includes a positive electrode-side wiring pattern and a negative electrode-side wiring pattern. The respective wiring patterns are formed as different layers of the wiring board. Each positive electrode-side current collector member electrically connects a sealing body functioning as a positive electrode external terminal of each cylindrical battery, and the positive electrode-side wiring pattern. Each negative electrode-side current collector member electrically connects a case body functioning as a negative electrode external terminal of each cylindrical battery and the negative electrode-side wiring pattern. | 2020-01-23 |
20200028133 | SYSTEMS AND METHODS COMPRISING OPEN CELL PACK MODULES - In one aspect, an embodiment of this invention comprises an energy-storage module for storing energy for electrical consumption. The module comprises a plurality of energy-storage cells and a set of parallel walls configured to mount the plurality of energy-storage cells between the parallel walls and having a plurality of through-holes. The module also comprises a bus bar arrangement configured to electrically couple each of the plurality of energy-storage cells to a first terminal and a second terminal and a wire routing device configured to mate with a plurality of the through-holes and configured to receive one or more wires that electrically connect components of the energy storage module. | 2020-01-23 |
20200028134 | BATTERY CELL FOR AN ELECTRIC VEHICLE BATTERY PACK - This disclosure provides a battery cell for an electric vehicle battery pack. The battery cell can include a housing containing an electrolyte material, a first polarity terminal disposed at a lateral end of the battery cell, and a buckling plate disposed at the lateral end of the battery cell. The buckling plate can include a planar portion and a domed portion. The domed portion can deflect the electrolyte material in response to a first predetermined threshold pressure within the battery cell. The battery cell can include a melting component including an inner ring electrically coupled to a perimeter of the domed portion of the buckling plate, and an outer ring electrically coupled to the electrolyte material. A plurality of spokes can couple the inner ring with the outer ring and can melt in response to either a predetermined threshold temperature or a predetermined threshold current. | 2020-01-23 |
20200028135 | ELECTRIFIED VEHICLE BATTERY PACKS WITH TEAR-AWAY SERVICE PANELS - This disclosure details exemplary battery pack designs for use in electrified vehicles. Exemplary battery packs may include an enclosure assembly that houses one or more battery internal components (e.g., battery arrays, battery electronic components, or both). A tear-away service panel may be positioned within a wall of the enclosure assembly. The service panel may be removed from the enclosure assembly to access one of the battery internal components requiring service and may be subsequently replaced with a replacement service panel. The replacement service panel may be part of a battery pack resealing kit. | 2020-01-23 |
20200028136 | MOUNTING SOLUTIONS FOR ELECTRIFIED VEHICLE BATTERY PACKS - This disclosure details exemplary battery pack designs for use in electrified vehicles. Exemplary battery packs may include an enclosure assembly, one or more battery internal components (e.g., battery arrays, battery electronic components, or both) inside the enclosure assembly, and a structural brace outside of the enclosure assembly. The battery internal component may be mechanically coupled to the structural brace while also being mechanically decoupled from the enclosure assembly. | 2020-01-23 |
20200028137 | ACCUMULATOR ARRANGEMENT - An accumulator arrangement with a plurality of battery modules for a motor vehicle may include an accumulator housing having a receiving space for receiving a plurality of battery modules. The accumulator housing may have a base and a wall. The accumulator arrangement may also include at least one energy receiving arrangement configured to receive an impact energy in case of an impact. The at least one energy receiving arrangement may include a wall part and a beam part. The wall part may include a plurality of first gripping elements aligned transversely to a wall direction. The beam part may include a plurality of second gripping elements aligned transversely to the wall direction. The plurality of first gripping elements and the plurality of second gripping elements may engage one another in an overlapping direction such that, in the case of an impact, the impact energy is received by the gripping elements. | 2020-01-23 |
20200028138 | NONAQUEOUS ELECTROLYTE BATTERY SEPARATOR AND NONAQUEOUS ELECTROLYTE BATTERY - Provided is a nonaqueous electrolyte battery separator including a porous film (I) containing a polyolefin resin; and a porous layer (II) containing an inorganic filler, a water-soluble polymer having a structure represented by the following general formula (1), a water-insoluble polymer and a basic compound. The nonaqueous electrolyte battery separator is excellent in shape stability under a high temperature condition of 160 to 200° C. | 2020-01-23 |
20200028139 | IMPROVED MICROLAYER MEMBRANES, MPROVED BATTERY SEPARATORS, AND RELATED METHODS - Described herein is a multilayer microporous film or membrane that may exhibit improved properties, including improved dielectric break down and strength, compared to prior monolayer or tri-layer microporous membranes of the same thickness. The preferred multilayer microporous membrane comprises microlayers and one or more lamination barriers. Also disclosed is a battery separator or battery comprising one or more of the multilayer microporous films or membranes. The inventive battery and battery separator is preferably safer and more robust than batteries and battery separators using prior monolayer and tri-layer microporous membranes. Also, described herein is a method for making the multilayer microporous separators, membranes or films described herein. | 2020-01-23 |
20200028140 | METHOD FOR PRODUCING AN ELECTRODE STACK FOR A BATTERY CELL, BATTERY CELL - The invention relates to a method for producing an electrode stack for a battery cell, comprising the following steps: providing a strip-shaped anode element ( | 2020-01-23 |
20200028141 | SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - A secondary battery includes a first electrode which is a columnar body having a first active material; a first current collecting unit connected to the first electrode; a second electrode having a second active material; a second current collecting unit connected to the second electrode; and a separation membrane that has ion conductivity and insulates between the first electrode and the second electrode. The secondary battery has a structure in which a plurality of the first electrodes are bound together while being adjacent to the second electrode with the separation membrane therebetween. A first connecting unit that is connected to the first electrode and melts when short-circuiting occurs may be connected to the first current collecting unit. | 2020-01-23 |
20200028142 | CONNECTION MEMBER FOR CONNECTING TO A BUSBAR OF A BATTERY, BATTERY - A connection member for connecting to a busbar of a battery includes a first section adapted to be connected to a battery cell, a second section adapted to be connected to the busbar attached to a support structure for the battery cell, and a pair of bends between the first section and the second section. | 2020-01-23 |
20200028143 | SAMPLING COMPONENT AND BATTERY MODULE - Embodiments of the present invention provide a sampling component and a battery module. The sampling component is applied to a battery module and comprises: a busbar having a first surface and a second surface which are opposite to each other, the busbar comprising mounting slots formed by extending in a direction from the first surface to the second surface; a circuit board disposed on a side of the busbar; and, a connecting sheet, comprising a first flat portion and a bent portion which are connected to each other, one end of the first flat portion being connected to the busbar while the other end thereof being connected to the circuit board, the bent portion being located in the mounting slots. | 2020-01-23 |
20200028144 | ELECTRODE TAB, ELECTRODE ASSEMBLY AND BATTERY - According to embodiments of the present application, an electrode tab is provided comprising a substrate, a protective layer located outside the substrate, wherein the protective layer includes a first non-metallic element and a first metal element and the atomic ratio between the first non-metallic element and the first metal element is in the range of 10% to 30%. The embodiments of the present application further provide an electrode assembly and a battery. The object of the present application is to provide an electrode tab, an electrode assembly and a battery so as to at least achieve the improvement of electrolyte resistance under the immersion of electrolyte. | 2020-01-23 |
20200028145 | SECONDARY BATTERY AND SECONDARY BATTERY CONTROL METHOD - A secondary battery is provided with a power generation element, an electroconductive member, an external short circuit, a current detector and an external discharge safety circuit. The power generation element has a unit cell layer that includes a positive electrode, a separator and a negative electrode stacked in that order. The electroconductive member is disposed on one outward side of the power generation element with an insulation member interposed therebetween. A lead wire connects the electroconductive member with the negative electrode tab. The current detector detects whether or not current is flowing to the lead wire. The external discharge safety circuit is provided to short-circuits a path between the positive electrode tab and the negative electrode tab outside the power generation element while current detector detects a current. | 2020-01-23 |
20200028146 | BATTERY DEVICE - A battery device includes a case, a cell disposed within the case, and first and second conductive tabs each electrically connected to the cell and partly enclosed by the case. The first conductive tab has an elastic portion exposed from the case and compressible or stretchable when a force is applied thereto. By having the elastic portions that are elastically deformable, the effects of push or pull resulting from the swelling of the cell and case on the conductive tabs may be reduced. Consequently, damages or breakages of the conductive tabs can be avoided and the safety of battery device may be improved. | 2020-01-23 |
20200028147 | METHOD OF IMPROVING FAST-CHARGEABILITY OF A LITHIUM-ION BATTERY - Provided is a method of improving fast-chargeability of a lithium secondary battery containing an anode, a cathode, a porous separator disposed between the anode and the cathode, and an electrolyte, wherein the method comprises packing particles of an anode active material to form an anode active material layer having interstitial spaces and disposing a lithium ion reservoir in the interstitial spaces, configured to receive lithium ions from the cathode through the porous separator when the battery is charged and to enable the lithium ions to enter the particles of anode active material in a time-delayed manner. | 2020-01-23 |
20200028148 | ELECTROACTIVE POLYMER COATING FOR IMPROVED BATTERY SAFETY - A single or multi-component polymer coating is applied to components used in fabrication of electrochemical cells to protect the cells from damages that can result in cell imbalance or cell performance reduction. The polymer coating is electrically conductive under normal operating conditions but, when operated at low voltages, functions as an insulative material that increases the electrical resistance of the cell components. This increased electrical resistance improves cell safety by minimizing short-circuit current flow and reducing heating rate in the cell components. | 2020-01-23 |
20200028149 | PASSIVATION OF LITHIUM METAL BY TWO-DIMENSIONAL MATERIALS FOR RECHARGEABLE BATTERIES - The present application relates to methods for depositing two-dimensional materials (e.g., MoS | 2020-01-23 |
20200028150 | CATHODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY AND PREPARATION METHOD THEREOF, CATHODE POLE PIECE FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY - Embodiments of the present disclosure provide a cathode active material for a lithium-ion secondary battery, where the cathode active material for a lithium-ion secondary battery includes a silicon-based active substance and a nitrogen-doped carbon material. The silicon-based active substance is encased in the interior of the nitrogen-doped carbon material, and the silicon-based active substance is one or more of a nanoparticle and a nanowire; a micropore is arranged on at least one of the exterior and the interior of the nitrogen-doped carbon material; and a material of the nitrogen-doped carbon material is a nitrogen-doped carbon network. The cathode active material for a lithium-ion secondary battery solves a problem in the prior art that a silicon material, when used as a cathode active material, easily falls from a current collector due to a great volume change and has a low conductivity. | 2020-01-23 |
20200028151 | DEVICES, SYSTEMS, AND METHODS FOR MOLTEN FLUID ELECTRODE APPARATUS MANAGEMENT - An apparatus comprises a plurality of negative electrode reservoirs configured to contain a negative electrode material, at least one positive electrode reservoir configured to contain a positive electrode material and a reaction chamber. A heating system is configured to heat negative electrode material within a selected negative electrode material reservoir and to heat positive electrode material in the at least one positive electrode material reservoir to maintain the electrode materials in the selected reservoirs in a fluid state while maintaining, in a non-fluid state, negative electrode material in a non-selected negative electrode reservoir. An electrode material distribution system is configured to transfer, during a discharge state of the apparatus, fluid negative electrode material from the selected negative electrode reservoir to the reaction chamber. | 2020-01-23 |
20200028152 | NEGATIVE ELECTRODE ACTIVE MATERIAL, MIXED NEGATIVE ELECTRODE ACTIVE MATERIAL, AND METHOD FOR PRODUCING NEGATIVE ELECTRODE ACTIVE MATERIAL PARTICLE - A negative electrode active material contains a negative electrode active material particle which includes a silicon compound particle containing a silicon compound that contains oxygen. The silicon compound particle contains a Li compound, and at least part of Si constituting the silicon compound particle is present in at least one state selected from oxide of Si | 2020-01-23 |
20200028153 | LITHIUM SECONDARY BATTERY - The present invention relates to a lithium secondary battery, more particularly relates to a lithium secondary battery having improved life-span property and penetration safety. The lithium secondary battery of the present invention includes a cathode active material including a metal that has a concentration gradient region, and an anode and a separation layer each including a ceramic coating layer so that life-span property and penetration safety can be remarkably improved. | 2020-01-23 |
20200028154 | METHOD FOR DETERMINING STATE OF CHARGE IN LITHIUM BATTERIES THROUGH USE OF A NOVEL ELECTRODE - The accurate determination of the state-of-charge (SOC) of batteries is an important element of battery management. One method to determine SOC is to measure the voltage of the cell and exploiting the correlation between voltage and SOC. For electrodes with sloped charge/discharge profiles, this is a good method. However, for batteries with lithium iron phosphate (LFP) cathodes the charge/discharge profile is flat. Now, by using the materials and methods disclosed herein, an amount of cathode active material that has a sloped charge/discharge profile is mixed with LFP in a cathode, which results in a charge/discharge profile with enough slope that the SOC of the battery can be determined by measuring the voltage alone. | 2020-01-23 |
20200028155 | STRUCTURED COMPOSITE MATERIALS - A method of producing a structured composite material is described. A porous media is provided, an electrically conductive material is deposited on surfaces or within pores of the plurality of porous media particles, and an active material is deposited on the surfaces or within the pores of the plurality of porous media particles coated with the electrically conductive material to coalesce the plurality of porous media particles together and form the structured composite material. | 2020-01-23 |
20200028156 | DRY PROCESS FORMATION OF SOLID STATE LITHIUM ION CELL - Methods for preparing an electrode may include compressing an electrode dry mixture comprising an active material and an electrolyte material to form an electrode film. An electrolyte dry mixture or a stand-alone solid-state electrolyte film is compressed against a surface of the electrode film to form a laminate of an electrolyte layer and the electrode film. The electrolyte dry mixture may include the electrolyte material. Compressing the electrode dry mixture may include calendering the electrode dry mixture. Compressing the electrolyte dry mixture or stand-alone electrolyte film may be accomplished also by calendering. The electrolyte material may include a glass ceramic and, optionally, an air-stabilizing dopant. The glass ceramic may include Li | 2020-01-23 |
20200028157 | POSITIVE ELECTRODE FOR ALKALINE SECONDARY BATTERY AND ALKALINE SECONDARY BATTERY - There is provided a positive electrode for an alkaline secondary battery and an alkaline secondary battery having good output properties and cycle life. To that end, a positive electrode ( | 2020-01-23 |
20200028158 | CHEMICAL-FREE PRODUCTION OF SURFACE-STABILIZED LITHIUM METAL PARTICLES, ELECTRODES AND LITHIUM BATTERY CONTAINING SAME - Provided is a simple, fast, scalable, and environmentally benign method of producing graphene-stabilized lithium metal particles, comprising: a) mixing particles of a graphitic material, polymer-coated particles of a lithium-attracting seed material, and optional ball-milling media to form a mixture in an impacting chamber of an energy impacting apparatus; b) operating the apparatus with a frequency and an intensity for a length of time sufficient for peeling off graphene sheets from particles of graphitic material and transferring the peeled graphene sheets to surfaces of the polymer-coated particles and fully encapsulate the particles to produce graphene-encapsulated polymer-coated solid particles; c) recovering the graphene-encapsulated polymer-coated solid particles from the impacting chamber and removing the polymer from the particles to produce graphene balls, wherein the graphene ball has a graphene shell, a lithium-attracting seed material particle and a hollow space; and d) impregnating the graphene balls with lithium metal. | 2020-01-23 |
20200028159 | CARBON-LITHIUM COMPOSITE POWDER AND PREPARATION METHOD THEREOF, AND PREPARATION METHOD OF LITHIUM METAL SECONDARY BATTERY ELECTRODE - The present invention provides a carbon-lithium composite powder and a preparation method thereof. In the present invention, a carbon material is used as a skeleton to support metal lithium, which increases the specific surface area of the composite powder, and can effectively reduce the current density and stabilize the surface potential of an electrode, thereby effectively inhibit the growth of lithium dendrites during the process in which the metal lithium is used as an anode material. The present invention provides a method for preparing a lithium metal secondary battery electrode. In the present invention, a roller-press flaking process is adopted to prepare the electrode, such that it is easy to regulate the effective capacity of the metal lithium loaded on the current collector, thereby better matching the corresponding active cathode material to improve the effective utilization rate of the metal lithium. | 2020-01-23 |
20200028160 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD OF EVALUATING NEGATIVE ELECTRODE COMPOSITE MATERIAL LAYER, AND METHOD OF PRODUCING NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery includes at least a negative electrode composite material layer. The negative electrode composite material layer includes a negative electrode active material, a conductive material, and a binder. The negative electrode active material includes a silicon oxide material and a graphite material. The negative electrode composite material layer has a BET specific surface area not smaller than 3.5 m | 2020-01-23 |
20200028161 | LITHIUM ION BATTERY FOR VEHICLES AND METHOD FOR MANUFACTURING THE SAME - A lithium ion battery for vehicles is provided. The battery includes a substrate, a positive electrode auxiliary layer disposed on the substrate and including at least one of platinum, gold, palladium, silver or combinations thereof, a positive electrode disposed on the positive electrode auxiliary layer and including an active material selected from at least one of LiNi | 2020-01-23 |
20200028162 | POSITIVE ELECTRODE ACTIVE MATERIAL CONTAINING SOLID SOLUTION ACTIVE MATERIAL, POSITIVE ELECTRODE CONTAINING THE POSITIVE ELECTRODE ACTIVE MATERIAL, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE POSITIVE ELECTRODE - A method for producing a positive electrode active material includes coating a surface of a solid solution active material represented by formula (1): Li | 2020-01-23 |
20200028163 | Method For Preparing Electrode Material, Electrode Material, And Battery - A method for preparing an electrode material, an electrode material, and a battery are provided to resolve a prior-art problem that a silicon negative electrode material in a battery is prone to pulverization in a fully intercalated state. The electrode material includes a layered silicon core and graphene quantum dots. The layered silicon core includes at least two layers of silicon-based materials, an interlayer gap exists between two neighboring layers of the at least two layers of silicon-based materials, and the silicon-based material includes at least one of silicon or an oxide of silicon. The graphene quantum dots are located in the interlayer gap between the at least two layers of silicon-based materials. | 2020-01-23 |
20200028164 | SILICON PARTICLES FOR ANODE MATERIALS OF LITHIUM ION BATTERIES - The invention relates to spherical, nonporous Silicon particles having average particle sizes (d | 2020-01-23 |
20200028165 | ELECTROLYTES FOR LITHIUM METAL ELECTRODES AND RECHARGEABLE BATTERIES USING SAME - The present invention is generally related to separators for use in lithium metal batteries, and associated systems and products. Certain embodiments are related to separators that form or are repaired when an electrode is held at a voltage. In some embodiments, an electrochemical cell may comprise an electrolyte that comprises a precursor for the separator. | 2020-01-23 |
20200028166 | Negative Electrode for Non-Aqueous Electrolyte Secondary Battery - A negative electrode for non-aqueous electrolyte secondary battery provides a means for improving output characteristics at a high rate. The negative electrode has a negative electrode active material layer having a thickness of 150 to 1500 μm formed on a surface of a current collector. In addition, the negative electrode active material layer includes coated negative electrode active material particles in which at least a part of a surface of a negative electrode active material is coated with a coating agent containing a coating resin and a conductive aid. Furthermore, a porosity of the negative electrode active material layer is 39.0% to 60.0% and a density of the negative electrode active material layer is 0.60 to 1.20 g/cm | 2020-01-23 |
20200028167 | SECONDARY BATTERY - There is provided a secondary battery including: a positive electrode containing manganese dioxide and/or manganese hydroxide, a conductive aid, and a hydroxide-ion-conductive inorganic solid electrolyte; a negative electrode containing zinc and/or zinc hydroxide, a conductive aid, and a hydroxide-ion-conductive inorganic solid electrolyte; and a separator containing a hydroxide-ion-conductive inorganic solid electrolyte, the separator separating the positive electrode from the negative electrode. | 2020-01-23 |
20200028168 | Positive Electrode Active Material for Secondary Battery and Lithium Secondary Battery Including the Same - The present invention provides a positive electrode active material for a secondary battery which includes a lithium transition metal oxide, wherein the positive electrode active material has three peaks in a differential graph (ERC curve) obtained by differentiating a pH value against an amount of acid (HCl) added, which is obtained by pH titration of 10 g of the lithium transition metal oxide using 0.5 M HCl, wherein a y-axis (dpH/dml) value of a first peak at the smallest x-axis value among the three peaks is −1.0 or less. | 2020-01-23 |
20200028169 | POSITIVE ACTIVE MATERIAL, POSITIVE ELECTRODE PLATE AND LITHIUM-ION SECONDARY BATTERY - A positive active material comprising active material bulk particles and a coating layer of an oxide containing N element is disclosed, wherein the surface of the active material bulk particle is doped with M element to form a doped layer, and the content of the M element is 400 ppm to 3000 ppm, and the content of the M element gradually decreases from the outer surface of active material bulk particles towards the core direction; wherein the content of the N element in the coating layer is 100 ppm to 2000 ppm; wherein the average content of the N element per unit volume of the coating layer is greater than the average content of the M element per unit volume of the doped layer; wherein the M element and the N element are each independently selected from one or more of Mg, Ca, Ce, Ti, Zr, Al, Zn, and B. | 2020-01-23 |
20200028170 | ENGINEERING ENERGY STORAGE DEVICES BY CONTROLLING DEFECTS IN CARBON-BASED ELECTRODES - An energy storage device containing a carbon-based electrode composed of graphitic film having a density of specific types of structural defects is explained. The carbon-based electrode may be used as an electrode in a supercapacitor or as an anode layer of a rechargeable battery. A distributed model is developed that predicts the area-normalized apparent capacitance from the density of point and line defects in the graphitic film. From this model, one can engineer the apparent capacitance by controlling the density of point and line defects. | 2020-01-23 |
20200028171 | METHOD OF SYNTHESIZING PHOSPHATE SALT OF HIGH PURITY FOR PREPARATION OF ELECTRODE MATERIAL - The present invention provides a cost-effective method of synthesizing phosphate salt of a metal M such as Fe and Mn that can be used for electrode active material of a lithium secondary battery. An oxidization-precipitation reaction is carried out on metal such as Fe(II) and Mn(II) to produce phosphate salt and hydroxide of the metal oxidized e.g. Fe(III) and Mn(III). With overdosed phosphoric acid, hydroxide of the oxidized metal is then converted to a phosphate salt. The invention also provides a method of preparing “wet” phosphate salt nanoparticles and their application in the synthesis of a cathode material. The present invention exhibits numerous technical merits such as lower cost, easier operation, and being environmentally friendly. | 2020-01-23 |
20200028172 | BIS(PYRIDINIUM)-NAPHTHALENE DIIMIDE REDOX IONIC COMPOUNDS AS ELECTRODE ACTIVE MATERIALS - The invention relates to the use of a bis(pyridinium)-naphthalene diimide redox ionic compound as electrode active material, notably for an aqueous electrolyte battery, to a negative electrode comprising at least said bis(pyridinium)-naphthalene diimide redox ionic compound, to a battery, notably an aqueous electrolyte battery comprising said negative electrode, and to particular bis(pyridinium)-naphthalene diimide redox ionic compounds. | 2020-01-23 |
20200028173 | POLYMER-GRAFTED SILICON PARTICLES - The invention relates to polymer-grafted silicon particles, wherein the silicon particles have an average particle size (d50) of 700 nm to 10 μm and the polymers of the polymer-grafted silicon particles are attached to the silicon particles in a wash-stable manner in an aqueous medium. | 2020-01-23 |
20200028174 | Positive Electrode Active Material Pre-Dispersion Composition, Positive Electrode For Secondary Battery, And Lithium Secondary Battery Including The Positive Electrode - The present invention relates to a positive electrode active material pre-dispersion composition which includes a lithium iron phosphate-based positive electrode active material, a dispersant, and a solvent, wherein the dispersant includes a hydrogenated nitrile butadiene rubber (HNBR), a slurry composition for a secondary battery positive electrode which is prepared by using the positive electrode active material pre-dispersion composition, a positive electrode for a secondary battery, and a lithium secondary battery including the positive electrode. | 2020-01-23 |
20200028175 | BINDER COMPOSITION FOR SECONDARY BATTERY - A purpose of the present invention is to provide a binder composition for a secondary battery which can impart excellent battery characteristics, even when the heat treatment temperature is low. The binder composition for a secondary battery according to the present invention is characterized by comprising a polyamic acid comprising a repeating unit represented by chemical formula (1) and an aromatic compound comprising an electron donating group and an organic acid group, | 2020-01-23 |
20200028176 | BINDER COMPOSITION FOR SECONDARY BATTERY - A purpose of the present invention is to provide a binder composition for a secondary battery which improves the charge and discharge efficiency and the cycle characteristics of a battery. The binder composition for a secondary battery of the present invention is characterized by comprising a polyamide-imide comprising a repeating unit represented by chemical formula (1) or a precursor thereof, | 2020-01-23 |
20200028177 | LITHIUM SECONDARY BATTERY CATHODE AND LITHIUM SECONDARY BATTERY INCLUDING SAME - The present invention relates to a lithium secondary battery cathode and a lithium secondary battery including the same, the lithium secondary battery cathode comprising: a current collector and a cathode active material layer, which is formed on the current collector and comprises a cathode active material, a binder, graphene, and carbon black wherein a mixture density is greater than or equal to 4.3 g/cc. | 2020-01-23 |
20200028178 | LITHIUM-SULFUR BATTERY CONTAINING AN ELECTRODE-PROTECTING LAYER - Provided is a rechargeable alkali metal-sulfur cell comprising an anode layer, an electrolyte and a porous separator, a cathode layer, and a discrete anode-protecting layer disposed between the anode layer and the separator and/or a discrete cathode-protecting layer disposed between the separator and the cathode active material layer; wherein the anode-protecting layer or cathode-protecting layer comprises a conductive sulfonated elastomer composite having from 0.01% to 40% by weight of a conductive reinforcement material and from 0.01% to 40% by weight of an electrochemically stable inorganic filler dispersed in a sulfonated elastomeric matrix material and the protective layer has a thickness from 1 nm to 50 μm, a fully recoverable tensile strain from 2% to 500%, a lithium ion conductivity from 10 | 2020-01-23 |
20200028179 | METHOD OF EXTENDING CYCLE-LIFE OF A LITHIUM-SULFUR BATTERY - The invention provides a method of improving the cycle-life of a rechargeable alkali metal-sulfur cell. The method comprises implementing an anode-protecting layer between an anode active material layer and a porous separator/electrolyte, and/or implementing a cathode-protecting layer between a cathode active material and the porous separator/electrolyte, wherein the anode-protecting layer or cathode-protecting layer comprises a conductive sulfonated elastomer composite having from 0.01% to 40% by weight of a conductive reinforcement material and from 0.01% to 40% by weight of an electrochemically stable inorganic filler dispersed in a sulfonated elastomeric matrix material and the protecting layer has a thickness from 1 nm to 100 μm, a fully recoverable tensile strain from 2% to 500%, a lithium ion conductivity from 10 | 2020-01-23 |
20200028180 | ANODES, PREPARATION METHOD THEREOF, AND LITHIUM ION SECONDARY BATTERIES - The present disclosure provides an anode, which includes a current collector and a carbon fiber layer that is coated onto the current collector and includes oxygen-containing functional groups. The present disclosure also provides a method for preparing the anode, especially preparing the carbon fiber layer. In addition, the present disclosure provides a lithium ion secondary battery including the anode above. | 2020-01-23 |
20200028181 | HEMATIN MODIFIED BILIRUBIN OXIDASE CATHODE - A cathode can include: an electrode substrate; a porphyrin precursor attached to the substrate; and an enzyme coupled to the electrode substrate to be associated with the porphyrin precursor, the enzyme reduces oxygen. The cathode can include a conductive material associated with the porphyrin precursor and/or the enzyme. The cathode can include 1-pyrenebutanoic acid, succinimidyl ester (PBSE) associated with the porphyrin precursor and/or the enzyme and/or the conductive material. The cathode can include 2,5-dimethyl-1-phenyl-1H-pyrrole-3-carbaldehyde (DMY-Carb) associated with the 1-pyrenebutanoic acid, succinimidyl ester (PBSE) and/or the porphyrin precursor and/or the enzyme and/or the conductive material. The porphyrin precursor is attached to the substrate through covalent coupling. In some aspects, substrate is linked to the porphyrin precursor, the porphyrin precursor is linked to the conductive material, the conductive material is linked to the PBSE, the PBSE is linked to the DMY-carb, and the DMY-carb is linked to the enzyme. | 2020-01-23 |
20200028182 | OXYGEN REDUCTION CATALYST, ELECTRODE, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL - Provided are an oxygen reduction catalyst having a high electrode potential under a fuel cell operating environment, an electrode containing the oxygen reduction catalyst, a membrane electrode assembly in which a cathode is the electrode, and a fuel cell including the membrane electrode assembly. The oxygen reduction catalyst used here contains cobalt, sulfur, and oxygen as elements, has a CoS hexagonal structure in powder X-ray diffractometry, and having an S—Co/S—O peak area ratio of 2.1 to 8.9 in an S2p spectrum in X-ray photoelectron spectroscopic analysis. | 2020-01-23 |
20200028183 | SUPPORT, ELECTRODE FOR FUEL CELL, MEMBRANE-ELECTRODE ASSEMBLY, AND FUEL CELL INCLUDING SAME - The present invention provides a technology for: a highly crystalline graphitized carbon support including carbon particles including a highly crystalline graphitized layer, the highly crystalline graphitized layer comprising a functional group bonded to the surface thereof; an electrode for a fuel cell, the electrode including the support; a membrane-electrode assembly; and the fuel cell. The highly crystalline graphitized carbon support according to an embodiment of the present invention can improve performance of the fuel cell through the improvement of durability and electrochemical activity. | 2020-01-23 |
20200028184 | METHOD FOR PRODUCING ALLOY CATALYST FOR FUEL CELLS USING SILICA COATING - Disclosed is a method for producing an alloy catalyst supported on carbon, including the steps of: dispersing alloy particles into a mixed solution of water with alcohol, introducing a silica precursor thereto, and carrying out sol-gel reaction in the presence of a basic catalyst to obtain silica-coated alloy particles; supporting the silica-coated alloy particles onto a carbon carrier to obtain silica-coated alloy particles supported on carbon; heat treating the silica-coated alloy particles supported on carbon to increase an alloying degree; and removing silica coating by using inorganic base solution and a surfactant. The method for producing an alloy catalyst provides a high-quality and high-durability alloy catalyst by increasing the alloying degree of a catalyst through a heat treatment step, while forming a silica coating layer effectively on small alloy particles having a size of several nanometers to inhibit growth of the size of alloy particles. In addition, the catalyst may be used advantageously as an electrode for fuel cells. | 2020-01-23 |
20200028185 | WATER-ACTIVATED POWER GENERATING DEVICE - A water-activated power generating device comprising a silicon slice having a cut, a first water storage element, and a fixing ring sandwiched by the silicon slice and the first water storage element and having an inner space. The water-activated power generating device further comprises a conductive rod penetrating the silicon slice, the fixing ring, and the first water storage element. The water-activated power generating device further comprises an electrode structure having a hollow cylinder shape and an isolation film disposed adjacent to an inner surface of the electrode structure. Electrolytic powder is disposed in a space between the isolation layer and the conductive rod; and a bottom conductive plate is disposed at the bottom of the electrode structure and electrically connected to the inner surface of the electrode structure. | 2020-01-23 |
20200028186 | SINGLE CELL STRUCTURE FOR FUEL CELL - A single cell structure for a fuel cell includes: a framed membrane electrode assembly; a pair of separators disposed on both sides of the framed membrane electrode assembly; a gas channel portion which is formed between one of the pair of separators and the membrane electrode assembly, and to which gas is supplied; a manifold portion having a hole that penetrates the frame and the separator in a stacking direction; a protrusion that protrudes from at least one of the pair of separators toward the framed membrane electrode assembly to support the frame near the manifold portion; an extended portion of the frame that extends toward the manifold portion beyond the protrusion; and a gas flowing portion that is formed at the extended portion to supply the gas from the manifold portion to the gas channel portion. The gas flowing portion includes a bump that is disposed at the extended portion of the frame. | 2020-01-23 |
20200028187 | METHOD FOR MANUFACTURING FUEL CELL AND FUEL CELL - An object of the present disclosure is to provide a method for manufacturing a fuel cell that ensures developing a high adhesive strength to a separator. One aspect of an embodiment is a method for manufacturing a fuel cell where a pair of separators are mutually bonded with a sealing member. The sealing member includes a thermoplastic resin containing a crystalline polymer as an adhesive layer. The method for manufacturing the fuel cell includes: preparing a stack structure in which the sealing member is disposed between the pair of separators; heating the stack structure at a melting point or higher of the thermoplastic resin; after the heating, holding the stack structure in a temperature range of ±10° C. of a crystallization temperature of the thermoplastic resin to promote a crystallization of the thermoplastic resin; and after the holding, further cooling the stack structure. | 2020-01-23 |
20200028188 | POWER GENERATION CELL - A resin film equipped MEA of a power generation cell includes a membrane electrode assembly and a resin film. An inner peripheral end of a first frame shaped sheet of the resin film is positioned outside an outer peripheral end of a cathode, and faces the outer peripheral end of the cathode so as to be separated by a gap. An inner peripheral portion of a second frame shaped sheet is held between the anode and the cathode. A first metal separator facing the first frame shaped sheet is provided with protruding support structure configured to support an inner peripheral portion of the first frame shaped sheet and an outer peripheral portion of the cathode. | 2020-01-23 |
20200028189 | FUEL CELL ASSEMBLY AND A VEHICLE THAT UTILIZES THE FUEL CELL ASSEMBLY - A fuel cell assembly includes a fuel cell stack. A vehicle includes a propulsion system and the fuel cell assembly configured to provide power to the propulsion system in at least one mode. The fuel cell assembly also includes an air compressor and an air pump spaced from the air compressor. The air compressor includes an on position in which the air compressor is configured to supply air to the fuel cell stack and an off position in which the air compressor does not supply air to the fuel cell stack. The air compressor also includes a bearing configured to be levitated via air. The air pump is configured to supply air to the fuel cell stack when the air compressor is in the off position and configured to supply air to the bearing when the air compressor is in the on position. | 2020-01-23 |
20200028190 | HIGH EFFICIENCY SOLID OXIDE FUEL CELL - INTERNAL COMBUSTION ENGINE HYBRID POWER SYSTEM - A hybrid stationary power generator is provided. The system is fueled from natural gas and based on SOFCs and high efficiency, internal combustion (IC) engine technologies is conceived to generate electric power at 100-kW scale with an efficiency of 71% and a capital cost of <900 $/kW. This novel system integrates a solid oxide fuel cell (SOFC) stack with a high efficiency stationary engine and balance-of-plant (BOP) equipment to create a hybrid power system. | 2020-01-23 |
20200028191 | FUEL CELL SYSTEM AND LIQUID WATER AMOUNT ESTIMATING METHOD - A fuel cell system includes: a fuel cell stack at which generation of electricity is carried out by chemical reaction of hydrogen and oxygen, and from which water and exhaust are discharged; and a liquid water amount estimation section that estimates an amount of liquid water among the discharged water, based on an amount of current that is generated by the fuel cell stack, an amount of air that is supplied to the fuel cell stack, a temperature of the air, a relative humidity of the air, a temperature of exhaust that is discharged from the fuel cell stack, and a pressure of the exhaust. | 2020-01-23 |
20200028192 | FUEL CELL SYSTEM AND METHOD FOR OPERATING THE SAME - A fuel cell system includes: a fuel cell stack including a plurality of cells, each of which has a fuel electrode, an air electrode, and an electrolyte, and performs a power generation by a reaction between a fuel gas and air; a fuel supplier supplying the fuel gas to the fuel electrode; an air supplier supplying the air to the air electrode; a voltage detector detecting the voltage of the fuel cell stack; and a controller stopping the supplying of the fuel gas by the fuel supplier and the supplying of the air by the air supplier when the voltage of the fuel cell stack detected by the voltage detector is decreased to be lower than a threshold voltage after the power generation of the fuel cell stack is stopped. | 2020-01-23 |
20200028193 | Electrochemical Element, Electrochemical Module, Electrochemical Device, Energy System, Solid Oxide Fuel Cell and Manufacturing Method for Electrochemical Element - Provided are an electrochemical element and the like that have both durability and high performance as well as excellent reliability. The electrochemical element includes a metal support, and an electrode layer formed on/over the metal support. The metal support is made of any one of a Fe—Cr based alloy that contains Ti in an amount of 0.15 mass % or more and 1.0 mass % or less, a Fe—Cr based alloy that contains Zr in an amount of 0.15 mass % or more and 1.0 mass % or less, and a Fe—Cr based alloy that contains Ti and Zr, a total content of Ti and Zr being 0.15 mass % or more and 1.0 mass % or less. | 2020-01-23 |
20200028194 | ALCOHOL BASED BIOFUEL CELL - An anode can include: an electrode substrate; a first region of the substrate having a catalyst composition located thereon, wherein the catalyst composition includes an inorganic or metallic catalyst; and a second region of the substrate having an enzyme composition located thereon, wherein the combination of the catalyst composition and enzyme composition converts a fuel reagent to carbon dioxide at neutral pH. The first region and second region can be separate regions. The catalyst of the catalyst composition can include gold nanoparticles. The catalyst can include an inorganic or metallic catalyst selected from vanadium oxide, titanium (III) chloride, Pd(OAc) | 2020-01-23 |
20200028195 | POWER GENERATION DEVICE, POWER GENERATION METHOD, AND CONCENTRATION MEASUREMENT METHOD - A power generation device, comprising a fuel, an anode and a cathode, the anode comprising an enzyme that promotes oxidation of the fuel, and the power generation device containing more water when generating power than when not generating power. | 2020-01-23 |
20200028196 | Nonaqueous Redox Flow Battery Electrolyte Comprising an Ionic Liquid with a Metal Cation Coordinated to Redox-Active Ligands - Nonaqueous redox flow batteries (RFB) hold the potential for high energy density grid scale storage, though are often limited by the solubility of the redox-active species in their electrolytes. A systematic approach enables an increase the concentration of redox-active species in electrolytes for nonaqueous RFB, starting from a metal-coordination-cation-based ionic liquid. As an example, starting with an ionic liquid consisting of a metal coordination cation (MetIL), ferrocene-containing ligands and iodide anions can be substituted into the original MetIL structure, enabling a nearly 4× increase in capacity compared to original MetIL structure. Application of this strategy to other chemistries, optimizing electrolyte melting point and conductivity could yield >10 M redox-active electrons. | 2020-01-23 |
20200028197 | HIGH CAPACITY ORGANIC RADICAL MEDIATED PHOSPHOROUS ANODE FOR REDOX FLOW BATTERIES - A battery includes a redox flow anode chamber coupled to an anode current collector, a separator, and an external container in fluid connection with the redox flow anode chamber. The external container has therein a solid phosphorus material. A first redox-active mediator and the second redox-active mediator are circulated through the half-cell electrode chamber and the external container. During a charging cycle the first redox-active mediator is reduced at the current collector electrode and the reduced first mediator reduces the phosphorus material, and wherein during a discharging cycle the second redox-active mediator is oxidized at the anode current collector electrode, and the second redox-active mediator is then reduced by the reduced phosphorus material. A method of operating a battery and a method of making a battery are also discussed. | 2020-01-23 |
20200028198 | Thermally-Drawn Fiber Including Electrochemically Active Gels - Provided herein is a fiber having a fiber body including fiber body material with a longitudinal-axis fiber body length. A plurality of gel domains is disposed within the fiber body along at least a portion of the longitudinal-axis fiber body length. Each gel domain includes a porous host matrix material and a liquid gel component that is entrapped in the molecular structure of the host matrix material and that is disposed in interstices of the host material matrix. At least two of the gel domains within the fiber body are disposed directly adjacent to each other in direct physical contact with each other. This fiber can include polymeric fiber body material and gel domains including a porous polymer host matrix material and an ionically conducting liquid solvent that is entrapped in the molecular structure of the polymer host matrix material and disposed in interstices of the polymer host material matrix. | 2020-01-23 |
20200028199 | SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - One of the objects of the present invention is to suppress a short circuit due to metal deposition in an insulating layer in a secondary battery in which a positive electrode and a negative electrode are disposed to face each other via the insulating layer. The secondary battery comprises a battery element including at least one positive electrode | 2020-01-23 |
20200028200 | METHOD FOR PRODUCING AN ELECTRODE UNIT FOR A BATTERY CELL AND ELECTRODE UNIT - The invention relates to a method for producing an electrode unit for a battery cell comprising the following steps: substance-to-substance bonding of contact lugs ( | 2020-01-23 |
20200028201 | BATTERY PACK - An embodiment of the present disclosure provides a battery pack including: a plurality of battery modules each including at least one battery cell; a housing supporting the plurality of battery modules which are arranged side by side in a first direction, the housing including a support wall that covers at least one surface of the plurality of battery modules and a barrier wall that is placed between the plurality of battery modules; a compression member provided on the housing and pressing the plurality of battery modules; and a cover coupled to the housing and covering the plurality of battery modules and the compression member. | 2020-01-23 |
20200028202 | BATTERY DEVICE - A battery device includes: an exterior body having two outer side walls; a battery cell group configured by stacking battery cells each having an electrode terminal; temperature control medium flow paths provided inside the outer side walls; and a holding mechanism applying a pressure on the battery cell group in a direction of pressing the battery cell group toward the outer side wall, and holding the battery cell group. The battery cell has the electrode terminal on the upper portion. The battery cell group has a convex part protruding toward the outer side wall on a lower portion. An inner surface of the outer side wall has a concave part along the length direction of the exterior body at a lower position than the temperature control medium flow path. The battery cell group is held by the holding mechanism through engagement of the convex part and the concave part. | 2020-01-23 |
20200028203 | METAL SULFIDE COMPOSITE MATERIALS FOR BATTERIES - Lithium-ion batteries are provided that variously comprise anode and cathode electrodes, an electrolyte, a separator, and, in some designs, a protective layer. In some designs, at least one of the electrodes may comprise a composite of (i) Li2S and (ii) conductive carbon that is embedded in the core of the composite. In some designs, the protective layer may be disposed on at least one of the electrodes via electrolyte decomposition. Various methods of fabrication for lithium-ion battery electrodes and particles are also provided. | 2020-01-23 |
20200028204 | MULTIVALENT METAL ION BATTERY HAVING A CATHODE LAYER OF PROTECTED GRAPHITIC CARBON AND MANUFACTURING METHOD - Provided is a method of producing a multivalent metal-ion battery comprising an anode, a cathode, and an electrolyte in ionic contact with the anode and the cathode to support reversible deposition and dissolution of a multivalent metal, selected from Ni, Zn, Be, Mg, Ca, Ba, La, Ti, Ta, Zr, Nb, Mn, V, Co, Fe, Cd, Cr, Ga, In, or a combination thereof, at the anode, wherein the anode contains the multivalent metal or its alloy as an anode active material and the cathode comprises a cathode active layer of graphitic carbon particles or fibers that are coated with a protective material. Such a metal-ion battery delivers a high energy density, high power density, and long cycle life. | 2020-01-23 |
20200028205 | FAST-CHARGEABLE LITHIUM BATTERY ELECTRODES - Provided is a lithium-ion battery containing an anode, a cathode, a porous separator, and an electrolyte, wherein the anode comprises particles of an anode active material that are packed together to form an anode active material layer having interstitial spaces to accommodate a lithium ion reservoir disposed therein and configured to receive lithium ions from the cathode and enable lithium ions to enter the particles in a time-delayed manner, wherein the reservoir comprises lithium-capturing groups selected from (a) redox forming species that reversibly form a redox pair with a lithium ion when the battery is charged; (b) electron-donating groups interspaced between non-electron-donating groups; (c) anions and cations wherein the anions are more mobile than the cations; (d) chemical reducing groups that partially reduce lithium ions from Li | 2020-01-23 |
20200028206 | SOLID OXYGEN-REDOX NANOCOMPOSITE MATERIALS - A solid oxygen-redox nanocomposite material including an alkali metal oxide, peroxide, or superoxide, or alkaline earth metal oxide, peroxide, or superoxide core, and a catalytic nanoshell or skeleton surrounding the cores, as well as methods of manufacture, are described. Additionally, sealed electrochemical devices including a solid oxygen-redox nanocomposite are also described. | 2020-01-23 |
20200028207 | LITHIUM ION-CONDUCTING SULFIDE-BASED SOLID ELECTROLYTE CONTAINING SELENIUM AND METHOD FOR PREPARING THE SAME - Disclosed are a lithium ion-conducting sulfide-based solid electrolyte containing selenium and a method for preparing the same. More specifically, disclosed is a lithium ion-conducting sulfide-based solid electrolyte containing selenium that is capable of significantly improving lithium ion conductivity by successfully replacing a sulfur (S) element with a selenium (Se) element, while maintaining an argyrodite-type crystal structure of a sulfide-based solid electrolyte represented by Li | 2020-01-23 |
20200028208 | System And Method For Atomic Layer Deposition Of Solid Electrolytes - A method of making an ionically conductive layer for an electrochemical device is disclosed. The method includes the steps of: (a) exposing a substrate to a lithium-containing precursor followed by an oxygen-containing precursor; and (b) exposing the substrate to a boron-containing precursor followed by the oxygen-containing precursor. | 2020-01-23 |
20200028209 | METHODS OF MAKING LITHIUM ION CONDUCTING SULFIDE GLASS - A lithium ion-conductive solid electrolyte including a freestanding inorganic vitreous sheet of sulfide-based lithium ion conducting glass is capable of high performance in a lithium metal battery. Such an electrolyte is also manufacturable, and readily adaptable for battery cell and cell component manufacture, in a cost-effective, scalable manner using an automated machine based system, apparatus and methods based on inline spectrophotometry to assess and inspect the quality of such vitreous solid electrolyte sheets and associated components. Suitable manufacturing methods can involve providing a sulfur precursor, providing a boron precursor material having lithium as a second constituent, combining the sulfur and boron precursor materials to form a precursor mixture, melting the mixture, and cooling the melt to form a solid lithium ion conducting glass. The glass may have a Li | 2020-01-23 |