49th week of 2021 patent applcation highlights part 64 |
Patent application number | Title | Published |
20210384469 | OLED PANEL LOWER PART PROTECTION FILM, AND ORGANIC LIGHT-EMITTING DISPLAY APPARATUS COMPRISING SAME - A lower part protection film for an OLED panel is provided. More particularly, a lower part protection film for an OLED panel, having a significantly improved recognition rate of an alignment process, being capable of preventing generation of static electricity through an antistatic treatment, and having excellent adhesion to an OLED panel at the same time, and an organic light-emitting display apparatus including the lower part protection film for an OLED panel are provided. | 2021-12-09 |
20210384470 | DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE DISPLAY APPARATUS - A display apparatus includes a first display area including a first display unit configured to generate light and a first encapsulation unit disposed on the first display unit; a second display area including a second display unit configured to generate light and a second encapsulation unit disposed on the second display unit; and a through area disposed between the first display area and the second display area. The first encapsulation unit includes a first encapsulation layer covering a first side of an area of the first display unit corresponding to the through area. The second encapsulation unit includes a second encapsulation layer covering a second side of an area of the second display unit corresponding to the through area. | 2021-12-09 |
20210384471 | DISPLAY SUBSTRATE, DISPLAY APPARATUS, AND METHOD OF FABRICATING DISPLAY SUBSTRATE - The present application provides display substrate having a display area and a peripheral area. The display substrate includes a base substrate; a plurality of light emitting elements on the base substrate and in the display area; an encapsulating layer on a side of the plurality of light emitting elements distal to the base substrate to encapsulate the plurality of light emitting elements; and a first barrier layer on the base substrate and in the peripheral area and forming a first enclosure substantially surrounding a first area. The first barrier layer includes an up-conversion material configured to convert an incident light into an ultraviolet light. The encapsulating layer includes a first organic encapsulating sub-layer on the base substrate. | 2021-12-09 |
20210384472 | ORGANIC LIGHT EMITTING DIODE DISPLAY PANEL WITH A LIGHT FIELD CAMERA - An organic light emitting diode (OLED) display panel with a light field camera includes a glass covering plate, an OLED pixel layer, and image sensor. A gradient refractive index lens is formed on the glass covering plate. A refractive index of the gradient refractive index lens gradually varies from a center of the gradient refractive index lens to an outer periphery. The OLED pixel layer is disposed on a bottom surface of the glass covering plate and includes OLED pixel units. A micro lens array is embedded on the OLED pixel layer and includes gradient refractive index micro lenses. A refractive index of each gradient refractive index micro lens gradually varies from a center of the gradient refractive index micro lens to an outer periphery. The image sensor is disposed on a bottom surface of the OLED pixel layer. The light field camera can acquire clear images without focusing. | 2021-12-09 |
20210384473 | ORGANIC LIGHT-EMITTING DISPLAY PANEL AND DISPLAY APPARATUS - Provided is an organic light-emitting display panel, including: a thin film transistor layer provided in a display area; an organic light-emitting layer provided in the display area and including light-emitting pixels; a microlens array layer provided in the display area and including microlenses corresponding to the light-emitting pixels; a refractive index matching layer provided in the display area; and a filling layer provided in the non-display area. The refractive index matching layer and the microlens array layer have different refractive indexes. Each microlens includes a first surface that is in contact with the refractive index matching layer. The first surface is a curved surface protruding towards one of the microlens array layer and the refractive index matching layer, which has a smaller refractive index. A material of the filling layer is same as at least one of materials of the microlens array layer and the refractive index matching layer. | 2021-12-09 |
20210384474 | ORGANIC LIGHT-EMITTING DISPLAY DEVICE - An organic light-emitting display device includes: a substrate; a first organic light-emitting layer disposed on the substrate; a pixel defining film disposed on the first organic light-emitting layer and having a first opening, which at least partially exposes the first organic light-emitting layer; and an optical path converter disposed on the pixel defining film to overlap with the first organic light-emitting layer and including a first optical path converting member, which has a first refractive index, and a second optical path converting member, which has a second refractive index that is lower than the first refractive index. | 2021-12-09 |
20210384475 | OLED DISPLAY PANEL - The present application provides an organic light-emitting diode (OLED) display panel. The OLED display panel includes an array substrate and a touch structure. The array substrate includes a light shielding layer. The touch structure is integrated with the array substrate. The light shielding layer is arranged on the touch structure. | 2021-12-09 |
20210384476 | ELECTRONIC DEVICE AND METHOD OF FABRICATING THE SAME - An electronic device may include a window, a display panel disposed below the window, a supporting member disposed below the display panel, and a light-blocking layer disposed on the supporting member. The light-blocking layer may include a light-blocking material, and the light-blocking layer may be directly disposed on the supporting member or may be directly attached to the supporting member by a light-blocking adhesive layer. Thus, the electronic device has an improved impact resistance property and may prevent reflection of an external light. | 2021-12-09 |
20210384477 | Display Panel and Display Device Comprising the Same - Disclosed is a display panel and a display device capable of reducing the reflection of external light. The display panel includes a touch sensor, disposed on an encapsulation unit, and an antireflective film disposed in a non-emission area of the touch sensor so as to overlap each other, whereby it is possible to reduce external light from being incident on the touch sensor and a routing line, and therefore it is possible to reduce the reflectance of external light without using an expensive polarizing plate. | 2021-12-09 |
20210384478 | MANUFACTURING METHOD OF DISPLAY DEVICE - A manufacturing method of a display device is provided. The method includes following steps: providing a display module, a first optical adhesive layer, and a touch control structure layer, wherein the display module includes a light transmission region, and the first optical adhesive layer is provided with a first through-hole; attaching the first optical adhesive layer and the touch control structure layer onto the display module in sequence, wherein the first through-hole corresponds to the light transmission region; and using laser to cut a portion of the display module corresponding to the light transmission region to form a second through-hole corresponding to and connected to the first through-hole. | 2021-12-09 |
20210384479 | SUPPORT, BONDING DEVICE INCLUDING SUPPORT, AND METHOD OF MANUFACTURING DISPLAY DEVICE USING THE SAME - A bonding device includes a first panel support, a second panel support disposed below the first panel support, a diaphragm disposed on and extending along the first panel support, the diaphragm being disposed between the first panel support and the second panel support, and a window fixing chuck disposed on the diaphragm, the window fixing chuck including a groove facing the diaphragm. A through-hole extends from the second panel support to the first panel support, and the diaphragm is disposed on the through-hole. | 2021-12-09 |
20210384480 | SUPPORT, BONDING APPARATUS INCLUDING THE SUPPORT, AND METHOD OF FABRICATING DISPLAY DEVICE USING THE BONDING APPARATUS - A bonding apparatus includes a support including a cavity, and a window fixing chuck facing the support. The support includes a first part including a first through hole extending from the cavity, and a second part extending in a downward direction from the first part and including a second through hole extending from the cavity. A first distance between a first inner surface of the first part and a first outer surface of the first part is less than a second distance between a second inner surface of the second part and a second outer surface of the second part. The first inner surface of the first part and the second inner surface of the second part form the cavity. | 2021-12-09 |
20210384481 | DISPLAY SUBSTRATE, PREPARATION METHOD AND REPAIR METHOD THEREFOR AND DISPLAY APPARATUS - A display substrate, a preparation method and a repair method thereof, and a display apparatus. The display substrate includes a driver circuit layer and an emissive structure layer overlappingly disposed on a base, the driver circuit layer including a drive transistor, an auxiliary cathode wire and a repair electrode, an anode of the emissive structure layer being connected to a drain electrode of the drive transistor, a cathode of the emissive structure layer being connected to the auxiliary cathode wire, and the repair electrode being configured so as to connect the drain electrode of the drive transistor and the auxiliary cathode wire when repairing a bright spot defect. | 2021-12-09 |
20210384482 | BUTTON-TYPE LITHIUM ION BATTERY WITH METAL HOUSING - The present disclosure provides a button-type lithium ion battery with a metal housing, including: a metal housing; a cell, received in the metal housing; a terminal, disposed on an outside of the metal housing; at least one first electrode tab, arranged on the cell and electrically connected to the metal housing; at least one second electrode tab, arranged on the cell and electrically connected to the terminal; and an insulating member disposed between the metal housing and the terminal; wherein the insulating member is insulating and sealing the metal housing and the terminal; a polarity of the at least one first electrode tab is opposite to that of the at least one second electrode tab; a polarity of the metal housing is opposite to that of the terminal; the metal housing and the terminal are sealing connected to the insulating member by means of heat or adhesion. | 2021-12-09 |
20210384483 | METHOD OF MANUFACTURING ELECTRODE AND METHOD OF MANUFACTURING ALL-SOLID-STATE BATTERY - An electrode slurry is prepared by mixing at least an electrode active material, a sulfide solid electrolyte, a binder, and an organic solvent. The electrode slurry is coated on a surface of a substrate to manufacture an electrode. The electrode active material includes a lithium compound. The binder includes a fluorine-containing polymer. During the preparation of the electrode slurry, the variation range of a potential difference between a pH response electrode and a reference electrode in the electrode slurry is maintained within a predetermined reference range. | 2021-12-09 |
20210384484 | METHOD FOR MANUFACTURING ALL-SOLID-STATE BATTERY - [Problem] To lower electrical resistance by increasing the interfacial surface area and the adhesion between a current collector and an active material or an electrolyte, or between the active material and the electrolyte in an all-solid-state battery. In addition, to improve battery performance by eliminating or minimizing residual carbon originating from a binder. [Solution] According to the present invention, a slurry, composed of an electrode active material and a solvent, and a slurry, composed of electrolyte particles and a solvent, can be impacted against a target and thereby attached thereto to form a high-density layer and improve adhesion. Moreover, residual carbon is eliminated or minimized by eliminating or minimizing the content of binders, thereby improving battery performance. | 2021-12-09 |
20210384485 | METHOD OF PRODUCING NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY - A method of producing a negative electrode for a lithium secondary battery. The production method of the present invention includes a process of charging the negative electrode at a low current during pre-lithiation and a process of aging the negative electrode after the pre-lithiation for a sufficient time, thereby producing a negative electrode for a lithium secondary battery having excellent cycle performance. | 2021-12-09 |
20210384486 | ELECTRODE MANUFACTURING APPARATUS AND ELECTRODE MANUFACTURING METHOD - An electrode manufacturing apparatus manufactures a strip-shaped doped electrode by doping an active material contained in a layer of a strip-shaped electrode precursor with alkali metal. The electrode manufacturing apparatus includes a sensor configured to detect a mark that the electrode precursor has, at least one doping tank that stores a solution that contains alkali metal ions, a conveyer member configured to convey the electrode precursor along a path passing through the doping tank, a counter electrode member that is accommodated in the doping tank, a connector configured to electrically connect the electrode precursor and the counter electrode member, a power source configured to flow an electric current to the counter electrode member via the connector, and a power controller configured to control the power source based on a result of detection by the sensor. | 2021-12-09 |
20210384487 | METHOD AND SYSTEM FOR WATER SOLUBLE WEAK ACIDIC RESINS AS CARBON PRECURSORS FOR SILICON-DOMINANT ANODES - Systems and methods for water soluble weak acidic resins as carbon precursors for silicon-dominant anodes may include an electrode coating layer on a current collector, where the electrode coating layer is formed from silicon and a primary resin carbon precursor; wherein the primary resin carbon precursor comprises a water-soluble acidic polyamide imide functionalized with acidic groups and one or more polymeric stabilizing additives. The electrode coating layer may also include a base and/or a surfactant. The electrode coating layer may be more than 70% silicon. | 2021-12-09 |
20210384488 | METHOD AND SYSTEM FOR WATER SOLUBLE WEAK ACIDIC RESINS AS CARBON PRECURSORS FOR SILICON-DOMINANT ANODES - Systems and methods for water soluble weak acidic resins as carbon precursors for silicon-dominant anodes may include an electrode coating layer on a current collector, where the electrode coating layer is formed from silicon and pyrolyzed water-soluble acidic polyamide imide as a primary resin carbon precursor. The electrode coating layer may include a pyrolyzed water-based acidic polymer solution additive. The polymer solution additive may include one or more of: polyacrylic acid (PAA) solution, poly (maleic acid, methyl methacrylate/methacrylic acid, butadiene/maleic acid) solutions, and water soluble polyacrylic acid. The electrode coating layer may include conductive additives. The current collector may include a metal foil, where the metal current collector includes one or more of a copper, tungsten, stainless steel, and nickel foil in electrical contact with the electrode coating layer. The electrode coating layer may be more than 70% silicon. | 2021-12-09 |
20210384489 | COMPOSITION FOR FORMING AN ACTIVE MATERIAL COMPOSITE, AN ACTIVE MATERIAL COMPOSITE, AND A METHOD FOR PRODUCING AN ACTIVE MATERIAL COMPOSITE - Provided is a composition for forming an active material composite that gives an active material composite that can be used for an electrode in a lithium ion secondary battery and the like and that can improve battery cycle and rate characteristics. | 2021-12-09 |
20210384490 | METAL COMPOSITE HYDROXIDE AND METHOD FOR PRODUCING SAME, POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A metal composite hydroxide represented by a general formula (1): Ni | 2021-12-09 |
20210384491 | Negative Active Material For Lithium Secondary Battery, Preparing Method For The Same And Lithium Secondary Battery Including The Same - The present disclosure is directed to a negative electrode active material for lithium secondary batteries, to a method for preparing the same, and to a lithium secondary battery including the same, the negative electrode active material including a porous core in which scaly silicon fragments are connected in an entangled manner; and a shell layer covering the core, where the shell layer includes a carbon-based material and silicon. | 2021-12-09 |
20210384492 | Negative Active Material For Lithium Secondary Battery, Preparing Method For The Same And Lithium Secondary Battery Including The Same - The present disclosure is directed to a negative electrode active material for lithium secondary batteries, to a method for preparing the same, and to a lithium secondary battery including the same, the negative electrode active material including a porous core in which scaly silicon fragments are connected in an entangled manner; and a shell layer covering the core, where the shell layer includes a carbon-based material and silicon, and the shell layer has a thickness in a range of more than 10 to less than 60% with respect to an average particle diameter D50 of the negative electrode active material. | 2021-12-09 |
20210384493 | COMPOSITE FIBER ELECTRODES AND APPLICATIONS OF SAME - A composite electrode includes two or more types of fibers forming a fiber network, comprising at least a first type of fibers and a second type of fibers. The first type of fibers comprises a first polymer and a first type of particles. The second type of fibers comprises a second polymer and a second type of particles. The second polymer is same as or different from the first polymer. The second type of particles are same as or different from the first type of particles. | 2021-12-09 |
20210384494 | CALCIUM-METAL ALLOY ANODE MATERIALS FOR REVERSIBLE CALCIUM-ION BATTERIES - Calcium ion batteries are provided. The calcium ion batteries include a cathode, an alloying anode composed of one or more intermetallic calcium compounds in electrical communication with the cathode; and an electrolyte disposed between the anode and the cathode. The intermetallic calcium compounds are intermetallic compounds of calcium and transition metals and metalloids. | 2021-12-09 |
20210384495 | METHOD AND SYSTEM FOR WATER SOLUBLE WEAK ACIDIC RESINS AS CARBON PRECURSORS FOR SILICON-DOMINANT ANODES - Systems and methods for water soluble weak acidic resins as carbon precursors for silicon-dominant anodes may include an electrode coating layer on a current collector, where the electrode coating layer is formed from silicon and pyrolyzed water-soluble acidic polyamide imide as a primary resin carbon precursor. The electrode coating layer may include a pyrolyzed water-based acidic polymer solution additive. The polymer solution additive may include one or more of: polyacrylic acid (PAA) solution, poly (maleic acid, methyl methacrylate/methacrylic acid, butadiene/maleic acid) solutions, and water soluble polyacrylic acid. The electrode coating layer may include conductive additives. The current collector may include a metal foil, where the metal current collector includes one or more of a copper, tungsten, stainless steel, and nickel foil in electrical contact with the electrode coating layer. The electrode coating layer may be more than 70% silicon. | 2021-12-09 |
20210384496 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, NEGATIVE ELECTRODE, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - In the present invention, negative electrode active material particles for a nonaqueous electrolyte secondary battery which can suppress decrease of charging and discharging cycle characteristics, are each provided with: a composite particle that includes a silicate phase and silicon particles dispersed in the silicate phase; and a surface layer that covers the composite particle, wherein the surface layer includes a fluorine resin. | 2021-12-09 |
20210384497 | NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME - Provided is a technique capable of further improving the cycle characteristics in a negative electrode for a non-aqueous electrolyte secondary battery in which a silicon-based negative electrode active material and a carbon-based negative electrode active material are used in combination as a negative electrode active material, and constituent components of the electrode are not bound to each other via a binder. The negative electrode for a non-aqueous electrolyte secondary battery according to the present invention has a configuration in which a negative electrode active material layer containing a negative electrode active material is formed on a surface of a current collector. The negative electrode active material contains composite secondary particles in which silicon-based negative electrode active material particles and carbon-based negative electrode active material particles are bound to each other via a binder. Here, the content of the binder in the composite secondary particles is 1% by mass or more with respect to the total mass of the silicon-based negative electrode active material particles and the carbon-based negative electrode active material particles. Further, in the negative electrode active material layer, the composite secondary particles are characterized to exist in a state of being not bound to each other via a binder. | 2021-12-09 |
20210384498 | ACTIVE MATERIAL, BATTERY, AND METHODS FOR PRODUCING THESE - A main object of the present disclosure is to provide an active material wherein a volume variation due to charge/discharge is small. The present disclosure achieves the object by providing an active material comprising at least Si and Al, including a silicon clathrate type crystal phase, and a proportion of the Al to a total of the Si and the Al is 0.1 atm % or more and 1 atm % or less. | 2021-12-09 |
20210384499 | METHOD FOR PRODUCING ACTIVE MATERIAL - A main object of the present disclosure is to provide a method for producing an active material with a high productivity. The present disclosure achieves the object by providing a method for producing an active material, the method comprising steps of: a preparing step of preparing a dope solution including a metal ion that is an ion of a metal element M, and an aromatic hydrocarbon compound in a reduced condition, a precursor alloy producing step of producing a precursor alloy by doping the metal element M included in the dope solution to a Si raw material including a Si element, and a void forming step of forming a void by extracting the metal element M from the precursor alloy using an extracting agent. | 2021-12-09 |
20210384500 | SILICON OXIDE/CARBON COMPOSITE NEGATIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, AND LITHIUM-ION BATTERY - A preparation method obtains silicon oxide/carbon composite negative electrode material and a lithium-ion battery. The silicon oxide/carbon composite negative electrode material is a secondary particle, and mainly consists of a SiOx/C material. The SiOx/C material includes SiOx particles and a carbon layer with which the surfaces of the SiOx particles are coated. The SiOx particles include Si crystallites. The preparation method includes: 1) synthesizing a silicon oxide bulk; 2) performing crushing to obtain micro-level or nano-level SiOx particles; 3) mixing with a carbon binder; 4) granulating; 5) modification and carbonization; and 6) post-processing. | 2021-12-09 |
20210384501 | REVERSIBLE MANGANESE DIOXIDE ELECTRODE, METHOD FOR THE PRODUCTION THEREOF, THE USE THEREOF, AND RECHARGEABLE ALKALINE-MANGANESE BATTERY CONTAINING SAID ELECTRODE - The invention relates to a reversible manganese dioxide electrode, comprising an electrically conductive carrier material having a nickel surface, a nickel layer made of spherical nickel particles adhering to each other and having an inner pore structure applied to the carrier material, and a manganese dioxide layer applied to the nickel particles, wherein the manganese dioxide layer is also present in the inner pore structure of the nickel particle. | 2021-12-09 |
20210384502 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - A lithium secondary battery includes a cathode including a cathode active material including a lithium-transition metal composite oxide particle having a crystal grain size of greater than 500 nm measured through X-ray diffraction (XRD) analysis, and an anode disposed to face the cathode. The present invention provides a lithium secondary battery having improved life-span characteristics while suppressing gas generation due to crack of the particles by controlling the crystal grain size of the lithium-transition metal composite oxide particles. | 2021-12-09 |
20210384503 | LITHIUM TRANSITION METAL COMPOSITE OXIDE AND METHOD OF PRODUCTION - The present invention relates to a lithium transition metal composite oxide capable of being used as a positive electrode (cathode) active material for non-aqueous electrolyte lithium secondary batteries having a general formula Li | 2021-12-09 |
20210384504 | ULTRATHIN FILM COATING AND ELEMENT DOPING FOR LITHIUM-ION BATTERY ELECTRODES - The present invention relates to various lithium ion battery cathodes as well as lithium ion batteries incorporating one or more of these cathodes. The present invention further relates to processes of preparing the lithium ion battery cathode. | 2021-12-09 |
20210384505 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - A cathode active material for a lithium secondary battery including a lithium-transition metal composite oxide particle is provided. A crystal grain size of the lithium-transition metal composite oxide particle measured by an XRD analysis is 250 nm or more, and an XRD peak intensity ratio of the lithium-transition metal composite oxide particle is 9.8% or less. A lithium secondary battery including the lithium-transition metal composite oxide particle and having improved life-span and rate capability is provided. | 2021-12-09 |
20210384506 | ELECTRODE INCLUDING A LAYERED/ROCKSALT INTERGROWN STRUCTURE - This disclosure provides systems, methods, and apparatus related to cathode materials for lithium ion batteries. In one aspect, a structure comprises an oxide including lithium and two or more transition metals. A first portion of the oxide is in a layered phase and a second portion of the oxide is in a rocksalt phase. The first potion of the oxide and the second portion of the oxide form a layered-rocksalt intergrown structure. | 2021-12-09 |
20210384507 | CARBON-BOUND LITHIUM-ION CONDUCTOR-CARBON COMPOSITE CATHODE MATERIAL HAVING CARBON FIBER STRUCTURE AND FABRICATION METHOD THEREFOR - A method for fabricating a carbon-bound lithium-ion conductor-carbon composite cathode material having a carbon fiber structure, comprising: mixing a carbon material, a lithium-ion conductor, an organic polymer material and an organic solvent, thereby obtaining a mixed slurry A; granulating and drying the mixed slurry A to obtain solid particles M; performing a high-temperature carbonization treatment on the solid particles M in an inert atmosphere, thereby obtaining a carbon-bound lithium-ion conductor-carbon composite cathode material having a carbon fiber structure. | 2021-12-09 |
20210384508 | LITHIUM SECONDARY BATTERY - A lithium secondary battery is provided and, more specifically, a lithium secondary battery comprising a cathode catalyst including a transition metal composite having a stable structure in which four nitrogens are bonded to the transition metal as a cathode catalyst for a reduction reaction of sulfur generated during operation of the lithium secondary battery having a sulfur-containing material included in a cathode thereof, thereby improving performance and longevity of the battery. | 2021-12-09 |
20210384509 | NEGATIVE ELECTRODE AND SECONDARY BATTERY INCLUDING THE SAME - A negative electrode and a secondary battery including the negative electrode, the negative electrode includes a negative electrode active material layer containing negative electrode active material particles and an additive. The additive is present in an amount of 1.8 parts by weight to 3.2 parts by weight based on 100 parts by weight of the negative electrode active material particles. The additive includes at least one selected from the group consisting of Li | 2021-12-09 |
20210384510 | Negative Electrode Material, and Preparation Method Therefor and Use Thereof - A negative electrode material includes a composite matrix material and a carbon coating coated on the composite matrix material. The composite matrix material includes lithium silicate, silicon oxide, an activator, and silicon embedded in the lithium silicate and the silicon oxide. | 2021-12-09 |
20210384511 | AQUEOUS BINDER COMPOSITION FOR AN ELECTRODE AND METHODS FOR PRODUCING THE SAME - An aqueous binder composition comprising a cationic copolymer derived from at least one cationic monomer and at least one nonionic monomer is disclosed. Additionally, the present disclosure relates generally to electrode compositions and methods of making electrodes, especially anodes, with the binder composition. | 2021-12-09 |
20210384512 | Slurry Composition for Electrode of Secondary Battery, Electrode of Secondary Battery, and Secondary Battery - A slurry composition for an electrode of a secondary battery, has a hydrophobically modified alkali-swellable emulsion (HASE), a poly(meth)acrylic acid and a conductive agent. The slurry composition is capable of realizing excellent electrode adhesion in high energy electrode. The electrode of a secondary battery prepared using the same, and a secondary battery are also provided. | 2021-12-09 |
20210384513 | ENERGY STORAGE DEVICE AND METHOD FOR MANUFACTURING THE SAME - An energy storage device includes a positive electrode terminal, an electrode assembly, and a positive electrode current collector connecting the positive electrode terminal and the electrode assembly, in which the positive electrode current collector has a terminal connecting portion connected to the positive electrode terminal, an electrode connecting portion connected to the electrode assembly in the first direction, and an intermediate portion connecting the terminal connecting portion and the electrode connecting portion, the intermediate portion is arranged at a position overlapping the terminal connecting portion when viewed in the first direction, and the electrode connecting portion and the terminal connecting portion are arranged on one side of the intermediate portion in the first direction. | 2021-12-09 |
20210384514 | ELECTRODE CURRENT COLLECTOR COMPRISING RESISTIVE LAYER BETWEEN TWO OR MORE METAL FOILS, ELECTRODE COMPRISING THE SAME, AND LITHIUM SECONDARY BATTERY - The present disclosure provides an electrode current collector for a lithium secondary battery, the electrode current collector comprising: two or more metal foil layers, and a resistive layer positioned between the two or more metal foil layers, wherein the resistive layer includes a volume expandable resin, a conductive material, and an adhesive, an electrode comprising the same, and a lithium secondary battery. | 2021-12-09 |
20210384515 | CURRENT COLLECTOR AND PREPARATION METHOD THEREOF AND APPLICATION THEREFOR - The present disclosure provides a current collector and a preparation method thereof and an application therefor. The current collector provided by the present disclosure includes a functional film layer and metal layers provided on an upper surface and a lower surface of the functional film layer, where the functional film layer includes a fire retardant. Due to an addition of the fire retardant in the functional film layer, the current collector and the preparation method thereof provided by the present disclosure can not only effectively decrease an ignition point, but also release the fire retardant from the current collector to an electrolyte at high temperature, so as to achieve an effect of active fire extinguishing and significantly improve a safety performance of a battery; the functional film layer can also carry the metal layers on the upper and lower surfaces thereon. | 2021-12-09 |
20210384516 | ELECTROCHEMICAL CELLS WITH ONE OR MORE SEGMENTED CURRENT COLLECTORS AND METHODS OF MAKING THE SAME - Embodiments described herein relate to electrochemical cells with one or more current collectors divided into segments, and methods of producing the same. A current collector divided into segments comprises a substantially planar conductive material including a connection region and an electrode region. The electrode region includes one or more dividers defining a plurality of electron flow paths. The plurality of electron flow paths direct the flow of electrons from the electrode region to the connection region. In some embodiments, the current collector includes a fuse section disposed between the electrode region and the connection region. In some embodiments, the fuse section can include a thin strip of conductive material, such that the thin strip of conductive material melts at a melting temperature and substantially prevent electron movement between the electrode region and the connection region. | 2021-12-09 |
20210384517 | ALL-SOLID-STATE BATTERY HAVING HIGH ENERGY DENSITY AND CAPABLE OF STABLE OPERATION - Disclosed is an anodeless-type all-solid-state battery having a novel structure, which has high energy density and is capable of operating stably. | 2021-12-09 |
20210384518 | CELLULOSE-BASED SELF-STANDING FILMS FOR USE IN LI-ION BATTERIES - The present technology relates to self-standing electrodes, their use in electrochemical cells, and their production processes using a water-based filtration process. For example, the self-standing electrodes may be used in lithium-ion batteries (LIBs). Particularly, the self-standing electrodes comprise a first electronically conductive material serving as a current collector, the surface of the first electronically conductive material being grafted with a hydrophilic group, a binder comprising cellulose fibres, an electrochemically active material, and optionally a second electronically conductive material. A process for the preparation of the self-standing electrodes is also described. | 2021-12-09 |
20210384519 | HIGH ENERGY DENSITY LITHIUM METAL BASED ANODE FOR SOLID-STATE LITHIUM-ION BATTERIES - An assembly of lithium-based solid anodes to be formed into a lithium-ion battery. The anodes are formed with a fibrous ceramic or polymer framework having open spaces and an active surface material having lithiophilic properties. Open spaces within the fibrous framework and lithiophilic coatings deposited upon the surface of the fibrous framework allow for the free transport of solid lithium-ions within the anodes. In solid-state, lithium batteries can achieve higher capacity per weight, charge faster, and be more durable to extreme handling and temperature. A method for manufacturing a solid-state lithium battery having such an anode. | 2021-12-09 |
20210384520 | HEMATIN MODIFIED BILIRUBIN OXIDASE CATHODE - A method of producing electrical power includes: a cathode having a porphyrin precursor attached to a substrate, and having a first enzyme, wherein the first enzyme reduces oxygen; an anode having a first region of an anode substrate and having a gold nanoparticle composition located thereon, and having a second region of the anode substrate having an enzyme composition located thereon, wherein the enzyme composition includes a second enzyme, wherein the first region and second region are separate regions; and a neutral fuel liquid in contact with the anode and cathode, the neutral fuel liquid having a neutral pH and a fuel reagent; and operating the fuel cell to produce electrical power with the neutral fuel liquid having the neutral pH and the fuel reagent. | 2021-12-09 |
20210384521 | METHOD FOR PRODUCING A COMPOSITE LAYER, ELECTROCHEMICAL UNIT AND USE OF THE COMPOSITE LAYER - A method is proposed by means of which a composite layer is producible in as simple and controlled a manner as possible, and by means of which composite layers with different predetermined properties can be produced with as little expenditure as possible, and thus economically. The method includes: providing a nanofiber material, comminuting the nanofiber material while forming nanorods, providing a liquid medium, which comprises an ionomer component and a dispersant, dispersing the nanorods in the liquid medium while forming a nanorod ionomer dispersion, and applying the nanorod ionomer dispersion to a surface region of a substrate while forming a composite layer. An electrochemical unit including the composite layer is provided. The composite layer is useful in a fuel cell (hydrogen fuel cell or direct alcohol fuel cell), in a redox flow cell, in an electrolytic cell, or in an ion exchanger, and useful for anion or proton conduction. | 2021-12-09 |
20210384522 | SUB-NANOMETRIC PARTICLES-METAL ORGANIC FRAMEWORK COMPLEX INCLUDING MULTI-SHELL HOLLOW METAL ORGANIC FRAMEWORK AND SUBNANOMETRIC PARTICLES - The present disclosure relates to a sub-nanometric particles-metal organic framework complex including a multi-shell hollow metal organic framework (MOF) and sub-nanometric particles (SNPs), and a method of preparing the same. | 2021-12-09 |
20210384523 | Fluoropolymer Ionomers with Reduced Catalyst Poisoning and Articles Therefrom - Described herein is a coating composition comprising: (a) a metal catalyst, wherein the metal catalyst comprises at least one of platinum, ruthenium, iridium, and alloys and combinations thereof; (b) an at least highly fluorinated ionomer comprising a polymer backbone and a plurality of first side chains pendant therefrom, wherein the first side chain comprises at least one protogenic group, wherein the protogenic group is selected from a sulfonic acid, a bis(sulfonyl)imide, a sulfonamide, a sulfonyl methide, and salts and combinations thereof, and wherein the polymer backbone comprises an average of at least 14 carbon atoms between adjacent first side chains along the polymer backbone; and (c) a solvent. Such coating compositions may be used to make electrodes for electrochemical cells and have been shown to have reduced poisoning of the catalyst. | 2021-12-09 |
20210384524 | ELECTROCHEMICAL OXYGEN REDUCTION CATALYST - An electrochemical oxygen reduction catalyst comprising platinum-containing nanoparticles and at least one member selected from the group consisting of a melamine compound, a thiocyanuric acid compound, and a polymer containing the melamine compound or the thiocyanuric acid compound as a monomer is an electrochemical oxygen reduction catalyst having a high oxygen reduction activity (small overvoltage). | 2021-12-09 |
20210384525 | CATALYST, METHOD FOR PRODUCING SAME, ELECTRODE COMPRISING SAME, MEMBRANE-ELECTRODE ASSEMBLY COMPRISING SAME, AND FUEL CELL COMPRISING SAME - Disclosed are a catalyst, a method for producing the catalyst, an electrode comprising the catalyst, a membrane-electrode assembly comprising the electrode, and a fuel cell comprising the membrane-electrode assembly, the catalyst having superb catalytic activity that can be obtained by means of a simple post-treatment process of the raw catalyst. The catalyst according to the present invention comprises a support, and metal particles supported therein, wherein the metal particles comprise main particles and an additional metal layer thereon, and the main particles and additional metal layer comprise the same metal elements. The metal particles have a budding structure or a rod structure by having just a particular latticed active surface of the main particles grow to form the additional metal layer, or a core-shell structure by having the entire latticed active surface of the main particles grow to form the additional metal layer. | 2021-12-09 |
20210384526 | LITHIUM PRIMARY BATTERY - A lithium primary battery includes a wound electrode body obtained by winding a sheet-like positive electrode, a sheet-like negative electrode, and a separator interposed between the positive electrode and the negative electrode, and a nonaqueous electrolyte solution. The positive electrode includes manganese dioxide as a positive electrode active material. The negative electrode includes at least one selected from the group consisting of metallic lithium and lithium alloys, and has a first principal surface and a second principal surface opposite to the first principal surface. An entire surface of each of the first principal surface and the second principal surface faces the positive electrode. A total area of the first principal surface and the second principal surface is 100 cm | 2021-12-09 |
20210384527 | LITHIUM-ION PRIMARY POUCH BATTERY - Provided is pouch battery including an electrode assembly, and a case in which the electrode assembly is sealed and housed; the electrode assembly including a stacked structure of a sheet cathode, a sheet separator, and a sheet anode; the sheet cathode including a positive electrode active material disposed on a current collector; the sheet anode is thin conductive sheet on which lithium metal reversibly deposits on a surface thereof during discharging; the sheet anode being made of a conductive material other than lithium and having a surface substantially free from lithium metal prior to charging the battery. The pouch battery design is flexible and lightweight and provides high power density, making it a suitable replacement for conventional lithium-ion primary batteries and thermal batteries in many applications. Power can be further increased by the application of external compression. Additives and formation conditions can be tailored for forming a solid-electrolyte interface (SEI). | 2021-12-09 |
20210384528 | METHOD OF PRODUCING A SEPARATOR PLATE - A method of producing a separator plate for a fuel cell, for which at least one curable material provided with electrically conducting fillers is used including aligning the electrically conducting fillers by an electrical and/or magnetic field, and, subsequently, curing the material with the electrically conducting fillers in the aligned orientation. | 2021-12-09 |
20210384529 | BIPOLAR PLATE WITH IMPROVED TEMPERATURE DISTRIBUTION - The disclosure relates to a bipolar plate for an electrochemical system, and to an electrochemical system comprising a plurality of bipolar plates. The electrochemical system may be, for example, a fuel cell system, an electrochemical compressor, a redox flow battery, or an electrolyser. The bipolar plate comprising separator plates, an inlet, and an outlet. A separator plate comprising an active region. | 2021-12-09 |
20210384530 | METHOD FOR SEALING A FUEL CELL - The invention relates to a method for sealing a fuel cell ( | 2021-12-09 |
20210384531 | POWER SUPPLY CONTROL SYSTEM, POWER SUPPLY CONTROL METHOD, AND STORAGE MEDIUM - According to an embodiment, a power supply control system includes a state acquirer configured to acquire states of a plurality of fuel cell systems mounted in an electric device that operates using electric power, a power acquirer configured to acquire a required amount of electric power from the electric device, and a power generation controller configured to control power generation of one or more fuel cell systems among the plurality of fuel cell systems so that the required amount of electric power acquired by the power acquirer is satisfied on the basis of the state of each of the plurality of fuel cell systems acquired by the state acquirer. | 2021-12-09 |
20210384532 | HUMIDIFIER AND MOTOR VEHICLE - A humidifier for a fuel cell device has a plurality of flow field frames, between each of which there is arranged a humidifier membrane. A plurality of cooling flow field frames formed identical to the flow field frames, between each of which there is arranged a separating plate, form an integrated intercooler. A motor vehicle having a humidifier with integrated intercooler is also provided. | 2021-12-09 |
20210384533 | GAS SUPPLY SYSTEM - In a gas supply system of one embodiment, a gas control ECU performs an initial monitoring step of comparing first detection information of a high-pressure sensor to a first threshold value and, after it is determined that the first detection information has become less than or equal to the first threshold value, performs a secondary monitoring step of comparing second detection information of a mid-pressure sensor to a second threshold value. The gas control ECU causes a valve-open period and a valve-closed period of an injector in the secondary monitoring step to be longer than the valve-open period and the valve-closed period of the injector in the initial monitoring step. | 2021-12-09 |
20210384534 | THERMAL MANAGEMENT SYSTEM FOR FUEL CELL VEHICLE AND CONTROL METHOD THEREOF - A thermal management system for a fuel cell vehicle includes a first line including a coolant pump and a fuel cell stack, a second line including a coolant heater and a phase change material (PCM) and connected to the first line to form a first loop in which the coolant pump, the stack, the coolant heater, and the PCM are arranged, a third line including a radiator and connected to the first line to form a second loop in which the coolant pump, the stack, and the radiator are arranged, and an opening and closing valve opening and closing each of the first line, the second line, and the third line to allow the coolant to circulate in at least one of the first loop and the second loop, wherein the PCM is configured to be heat-exchanged with the coolant heater and the coolant. | 2021-12-09 |
20210384535 | FUEL CELL START UP METHOD - A fuel cell module is configured or operated, or both, such that after a shut down procedure a fuel cell stack is discharged and has its cathode electrodes at least partially blanketed with nitrogen during at least some periods of time. If the fuel cell module is restarted in this condition, electrochemical reactions are limited and do not quickly re-charge the fuel cell stack. To decrease start up time, air is moved into the cathode electrodes before the stack is re-charged. The air may be provided by a pump, fan or blower driven by a battery or by the flow or pressure of stored hydrogen. For example, an additional fan or an operating blower may be driven by a battery until the fuel cell stack is able to supply sufficient current to drive the operating blower for normal operation. | 2021-12-09 |
20210384536 | FUEL CELL PUMP AND METHOD FOR CONTROLLING FUEL CELL PUMP - A pump for a fuel cell includes a pump portion, a motor, a controller, a housing, and a temperature detector. The controller executes an activation control and a sensorless vector control. In the activation control, the controller executes a cold activation mode process when the outside air temperature is less than or equal to a set temperature. In the cold activation mode process, the controller executes at least one of increasing a value of an activation current supplied to the motor relative to when a normal activation mode process is executed or setting a supply duration of the activation current to the motor to be longer than that of when the normal activation mode process is executed. | 2021-12-09 |
20210384537 | INTEGRATED POWER GENERATION SYSTEM - An integrated power generation system including: a hotbox containing a steam reformer and at least one solid oxide fuel cell (SOFC) stack; a condenser, a combustor, a heater, and a turbomachine comprising a compressor and an expander. The steam reformer is configured to convert a hydrocarbon fuel and steam into a stack fuel. The SOFC stack is configured to convert the stack fuel into a first anode waste gas. The condenser functions to remove water from the first anode waste gas, thereby producing a second anode waste gas of higher fuel energy density. The combustor bums the second anode waste gas with release of exothermic heat. The heater thermally transmits heat from an expanded combustion product to water collected in the condenser, so as to generate steam. A steam line fluidly connects the heater to the steam reformer. | 2021-12-09 |
20210384538 | ELECTRIC POWER ADJUSTMENT SYSTEM, ELECTRIC POWER ADJUSTMENT METHOD, AND STORAGE MEDIUM - An electric power adjustment system includes: a power storage system that is configured to store electric power; a reversible fuel cell system that is configured to generate electric power through a chemical reaction in a fuel cell using hydrogen which is supplied from a hydrogen station configured to store hydrogen and supply the generated electric power to the power storage system and that is configured to produce hydrogen through water electrolysis in the fuel cell and supply the produced hydrogen to the hydrogen station; a power adjustment device that is configured to adjust a flow of electric power which is exchanged between the power storage system and the reversible fuel cell system; and a power management device that is configured to manage the flow of electric power in the power adjustment device. | 2021-12-09 |
20210384539 | COMPRESSION APPARATUS - A compression apparatus includes an electrolyte membrane, an anode on a principal surface of the electrolyte membrane, a cathode on another principal surface of the electrolyte membrane, an anode separator on the anode, a cathode separator on the cathode, and a voltage applicator. Upon the voltage applicator applying a voltage, protons are extracted from an anode fluid fed to the anode to move to the cathode through the electrolyte membrane and compressed hydrogen is produced. The anode separator has a fluid channel, a manifold hole, and a communicating path which are formed in an anode-side principal surface. The compression apparatus includes a face seal disposed on an outer periphery of a region of the anode-side principal surface of the anode separator which faces the anode. The face seal has a three-layer structure including a metal sheet and a pair of elastic sheets. | 2021-12-09 |
20210384540 | MEMBRANE - The present invention provides a proton exchange membrane comprising an ion-conducting layer which comprises an ion-conducting polymer and a supported recombination catalyst, wherein the recombination catalyst is supported on graphene. | 2021-12-09 |
20210384541 | REDOX FLOW BATTERY AND METHOD FOR MANUFACTURING METAL ION-CONDUCTING MEMBRANE INCLUDED IN REDOX FLOW BATTERY - A redox flow battery includes a negative electrode; a positive electrode; a first liquid which contains a first nonaqueous solvent, a first redox species, and metal ions and which is in contact with the negative electrode; a second liquid which contains a second nonaqueous solvent and which is in contact with the positive electrode; and a metal ion-conducting membrane disposed between the first liquid and the second liquid. The metal ion-conducting membrane includes a porous layer and a resin layer which is in contact with the porous layer and which contains a fluorocarbon resin. The porous layer includes a porous body and a filler which is located in pores of the porous body and which contains a fluorocarbon resin. | 2021-12-09 |
20210384542 | SHEET LAMINATE FOR SOLID OXIDE FUEL CELL, PRECURSOR FOR SOLID OXIDE FUEL CELL, APPARATUS FOR MANUFACTURING SHEET LAMINATE FOR SOLID OXIDE FUEL CELL, AND METHOD FOR MANUFACTURING SHEET LAMINATE FOR SOLID OXIDE FUEL CELL - The present specification relates to a sheet laminate for a solid oxide fuel cell, a precursor for a solid oxide fuel cell including the same, an apparatus for manufacturing a sheet laminate for a solid oxide fuel cell, and a method for manufacturing a sheet laminate for a solid oxide fuel cell. | 2021-12-09 |
20210384543 | PLANAR SOLID OXIDE FUEL UNIT CELL AND STACK - A planar SOFC cell unit is formed from a plurality of planar elements ( | 2021-12-09 |
20210384544 | Semiconductor Structures Having A Micro-Battery and Methods for Making the Same - The present disclosure provides an embodiment of an integrated structure that includes a first electrode of a first conductive material embedded in a first semiconductor substrate; a second electrode of a second conductive material embedded in a second semiconductor substrate; and a electrolyte disposed between the first and second electrodes. The first and second semiconductor substrates are bonded together through bonding pads such that the first and second electrodes are enclosed between the first and second semiconductor substrates. The second conductive material is different from the first conductive material. | 2021-12-09 |
20210384545 | SECONDARY BATTERY HAVING HIGH RATE CAPABILITY AND HIGH ENERGY DENSITY AND METHOD OF MANUFACTURING THE SAME - A secondary battery includes a first electrode collector layer and a second electrode collector layer, which face each other, a plurality of first active material layers that electrically contact the first electrode collector layer and are substantially perpendicular to the first electrode collector layer, a plurality of second active material layers that electrically contact the second electrode collector layer and are substantially perpendicular to the second electrode collector layer, and a first conductor layer that electrically contacts the first electrode collector layer and is inserted into the plurality of first active material layers. | 2021-12-09 |
20210384546 | LITHIUM SECONDARY BATTERY - A lithium secondary battery according to an embodiment of the present disclosure includes a cathode, an anode and a non-aqueous electrolyte. The anode includes an anode active material which contains a mixture of an artificial graphite and a natural graphite. A sphericity of the natural graphite is 0.96 or more. The lithium secondary battery including the anode has improved life-span and power properties. | 2021-12-09 |
20210384547 | Light Transmissive Battery and Power Generating Glass - Provided is a light-transmissive battery that transmits visible light. A light-transmissive battery includes a positive electrode including an insulating transparent cover body and a positive-electrode current collector layer and a positive electrode layer sequentially stacked over the insulating transparent cover body; a negative electrode including an insulating transparent cover body and a negative-electrode current collector layer and a negative electrode layer sequentially stacked over the insulating transparent cover body; and a transparent electrolyte disposed between the positive electrode layer and the negative electrode layer that are opposed to each other. Each of the positive-electrode current collector layer, the negative-electrode current collector layer, the positive electrode layer, and negative electrode layer is formed to a thickness that allows the layer to transmit visible light. | 2021-12-09 |
20210384548 | LITHIUM-ION BATTERY HAVING DESIRABLE SAFETY PERFORMANCE - A lithium-ion battery having desirable safety performance includes a positive plate having a positive film, a negative plate having a negative film, a separator between the positive plate and the negative plate, and electrolyte. The positive film is provided with a first recess and a positive lead is soldered in the first recess. The negative film is provided with a second recess and a negative lead is soldered in the second recess. A first insulating glue layer is formed on an upper surface and below a lower surface of the positive lead. Surface of the positive film corresponding to the second recess is pasted with a second insulating glue layer. | 2021-12-09 |
20210384549 | ALL-SOLID-STATE BATTERY - An all-solid-state battery includes: a laminated body having a first lateral face with a positive electrode and negative electrode laminated with a solid electrolyte layer therebetween and wherein a positive electrode current collector layer is exposed and a second lateral face faces the first face and wherein a negative electrode current collector layer is exposed; a positive electrode external terminal on the first face; and a negative electrode external terminal on the second face. At least one difference between a distance Lc | 2021-12-09 |
20210384550 | SOLID-STATE BATTERY - A solid state battery that includes at least one battery constituent unit including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer interposed therebetween; a positive electrode external terminal on a first side surface of the solid state battery laminate; and a negative electrode external terminal on a second side surface of the solid state battery laminate. The positive electrode layer and the negative electrode layer each include a terminal contact portion in direct contact with the positive electrode external terminal and the negative electrode external terminal, respectively, and a non-terminal contact portion that is not in direct contact with the positive electrode external terminal and the negative electrode external terminal, respectively, and in at least one of the positive electrode layer and the negative electrode layer, a sectional area of the terminal contact portion is smaller than a sectional area of the non-terminal contact portion. | 2021-12-09 |
20210384551 | ION CONDUCTOR, POWER STORAGE DEVICE, AND METHOD FOR MANUFACTURING ION CONDUCTOR - An ion conductor exhibiting high lithium ion conductivity in the form of a molded product without firing is provided. The ion conductor contains an ion conductive powder having lithium ion conductivity and an ionic liquid having lithium ion conductivity. The ionic liquid has an average thickness of 5 nm or more. | 2021-12-09 |
20210384552 | SOLID POLYMER ELECTROLYTE COMPOSITIONS AND METHODS OF PREPARING SAME - A solid polymer electrolyte precursor composition includes (i) one or more organic solvents; (ii) one or more cellulosic polymers dissolved in the organic solvent(s); (iii) one or more polymerizable components dissolved or dispersed in the organic solvent(s); (iv) one or more photo-initiators dissolved or dispersed in the organic solvent(s), where at least one of the one or more photo-initiators, following irradiation with light, promotes polymerization of at least one of the one or more polymerizable components; (v) one or more lithium ion sources dissolved or dispersed in the organic solvent(s); (vi) one or more plasticizers dissolved or dispersed in the organic solvent(s); and (vii) one or more ceramic particles dissolved or dispersed in the organic solvent(s). | 2021-12-09 |
20210384553 | SECONDARY BATTERY CELL WITH SOLID POLYMER ELECTROLYTE - A secondary battery cell includes a cathode of a first electrode material, an anode of a second electrode material, and a solid polymer electrolyte layer disposed between the cathode and anode. The solid polymer electrolyte includes a first surface in contact with the cathode and a second surface in contact with the anode. The solid polymer electrolyte layer includes a cellulosic polymer matrix. The cellulosic polymer matrix includes a network of the cellulosic polymer. Lithium ions are dispersed in the cellulosic polymer matrix. Ceramic particles are dispersed in the cellulosic polymer matrix. The ceramic particles include a metal oxide. One or more plasticizers are dispersed in the cellulosic polymer matrix. One or more polymer networks are in contact with the cellulosic polymer matrix. The one or more polymer networks include an acrylate-containing polymer. | 2021-12-09 |
20210384554 | LITHIUM SECONDARY BATTERY ELECTROLYTE FOR REDUCING INTERNAL RESISTANCE OF BATTERY AND LITHIUM SECONDARY BATTERY - A lithium secondary battery electrolyte for reducing internal resistance of a battery and a lithium secondary battery. The electrolyte comprises a non-aqueous organic solvent, a lithium salt and an additive. The additive comprises a sulfimide compound. The sulfimide compound can significantly reduce the internal resistance of a battery. The low temperature cycle, large rate normal temperature cycle, high temperature cycle, and expansion after high temperature storage have been significantly improved. | 2021-12-09 |
20210384555 | NONAQUEOUS ELECTROLYTE, NONAQUEOUS ELECTROLYTE ENERGY STORAGE DEVICE, AND METHOD FOR PRODUCING NONAQUEOUS ELECTROLYTE ENERGY STORAGE DEVICE - Provided are a nonaqueous electrolyte capable of providing a nonaqueous electrolyte energy storage device with reduced direct current resistance and an increased capacity retention ratio after charge-discharge cycles, a nonaqueous electrolyte energy storage device including such a nonaqueous electrolyte, and a method for producing such a nonaqueous electrolyte energy storage device. One mode of the present invention is a nonaqueous electrolyte for an energy storage device, containing an additive represented by the following Formula (1) or Formula (2). In Formula (1), R | 2021-12-09 |
20210384556 | ELECTROLYTIC SOLUTION, ELECTROCHEMICAL DEVICE, LITHIUM-ION SECONDARY BATTERY, AND MODULE - The disclosure provides an electrolyte solution capable of improving the output characteristics of an electrochemical device at initial stage and after high-temperature storage. The electrolyte solution contains a compound represented by the following formula (1). In the formula (1), R | 2021-12-09 |
20210384557 | APPARATUS FOR PRODUCING NON-AQUEOUS ELECTROLYTIC SOLUTION AND METHOD FOR PRODUCING NON-AQUEOUS ELECTROLYTIC SOLUTION - Provided is an apparatus for producing a non-aqueous electrolytic solution capable of easily performing purification treatment by removal of acidic impurities such as hydrogen fluoride contained in a non-aqueous electrolytic solution. | 2021-12-09 |
20210384558 | Sodium Secondary Battery and Manufacturing Method Thereof - Provided is a sodium secondary battery that has visible light transparency and is excellent in flexibility. A sodium secondary battery includes: a positive electrode film that contains a material formed on a flexible transparent film substrate, the material being capable of intercalating and deintercalating sodium ions; a transparent electrolyte having sodium ion conductivity; and a negative electrode film that if formed of a material formed on a flexible transparent film substrate, the material being capable of dissolving and depositing sodium or intercalating and deintercalating sodium ions. When the positive electrode film contains a sodium source, the negative electrode film is made to have a thickness of 30 nm to 200 nm by using, as a negative electrode material, any of tin oxide, silicon oxide, titanium oxide, tungsten oxide, niobium oxide, molybdenum oxide, metal phosphide, metal sulfide, metal nitride, metal fluoride, or metal titanium composite oxide. | 2021-12-09 |
20210384559 | PREDICTIVE THERMAL MODELS FOR CURRENT AND POWER CAPABILITY ESTIMATION - Methods and systems are provided for predictive thermal models for determining current and power capabilities of battery components of a battery-powered system. In one example, a method may include measuring a reference temperature of a first component of the battery-powered system, correlating a target temperature of a second component of the battery-powered system to the reference temperature, determining a maximum current manageable by the second component over a predetermined duration based on the target temperature, and responsive to an actual current at the second component being requested greater than the maximum current during the predetermined duration, adjusting one or more operating conditions of the battery-powered system to maintain the actual current below the maximum current. In some examples, the first component may be different from the second component. In this way, the methods and systems provided herein may mitigate overheating in a battery-powered system by altering an operating state thereof. | 2021-12-09 |
20210384560 | PROTECTION CIRCUIT FOR BATTERY MANAGEMENT SYSTEM - Systems and methods are provided for a battery management system (BMS) having a protection circuit. In one example, a vehicle battery system may include the BMS, the BMS including a cutoff circuit coupled to a short-circuit protection circuit, and a battery pack, wherein the short-circuit protection circuit may include a diode array, cathodes of the diode array being coupled to a positive terminal post of the battery pack and anodes of the diode array being coupled to a negative terminal post of the battery pack. In some examples, the cutoff circuit may further be coupled to a reverse bias protection circuit including a switchable current path arranged between a control input of the cutoff circuit and an output of the cutoff circuit. In this way, the vehicle battery system may be protected from unexpected voltage conditions via the BMS redirecting and dissipating excess current away from the cutoff circuit. | 2021-12-09 |
20210384561 | SYSTEM AND METHOD FOR MANAGEMENT OF HETEROGENEOUS BATTERY MODULES - A battery management system and method that allows a battery bank to be composed of battery modules that can be heterogeneous with respect to each other. A battery bank composed of modules that support the battery management system allows for any subset of modules to be easily replaced with modules of different electrochemical characteristics. Each of the modules may also have a controller that manages cells of the module. The bank level controller and module level controller may operate to virtualize the hardware under their management to reduce or eliminate the heterogeneous features of the underlying cells and modules. | 2021-12-09 |
20210384562 | PROCESS FOR PHYSICALLY SEPARATING AND RECOVERING VARIOUS COMPONENTS FROM SPENT LITHIUM ION BATTERIES - The present invention is a process of physical separation of spent lithium ion batteries to recover valuable components by using vacuum treatment to separate and recover volatile matter such as electrode binder, electrolyte solvent and salt followed by crushing and comminution to disintegrate and shred the electrolyte-depleted battery pack and reduce the size of shredded particles of enclosed components such as casing, current collectors, separator and other materials, which are subsequently separated using a series of physical separation techniques. | 2021-12-09 |
20210384563 | ANODE RECOVERY IN RECYCLED BATTERIES - A method for recycling anode materials from a comingled recycling stream derived from exhausted Li ion batteries includes receiving a precipitate quantity remaining from a cathode recycling stream. This precipitate is almost exclusively graphite used for the anode material in the recycled batteries. The precipitate results from an acid leach of charge material from the lithium battery recycling stream. A strong acid is added to the precipitate for removal of residual cathode and separator materials and the mixture heated. The strong acid removes residual aluminum oxide from the separator by transformation to aluminum sulfate. Washing the acid treated precipitate removes water soluble contaminants, such as the aluminum sulfate reacted from the aluminum oxide and sulfuric acid, to generate substantially pure graphite. Any residual material remaining from the cathode recycling phase is also removed. | 2021-12-09 |
20210384564 | BATTERY PACK AND A METHOD FOR CHARGING AND COOLING THE BATTERY PACK USING AN EXTERNAL COOLING DEVICE - Aspects of the disclosure provide a battery pack and a method for charging the battery pack externally. The battery pack can include a charging port configured to charge the battery pack, a cooling circuit configured to cool the battery pack in a vehicle, and a cooling interface configured to connect the cooling circuit with an external cooling device that is external to the vehicle. The charging port and the cooling interface can be integrated into a charging port assembly, the cooling interface has an inlet port and an outlet port that have high pressure quick disconnect leakless fittings, and the battery pack is configured to be charged externally via the charging port. The battery pack can include a plurality of isolating devices configured to determine whether the cooling circuit is connected to the external cooling device. | 2021-12-09 |
20210384565 | ENERGY STORAGE DEVICE TEMPERATURE CONTROL METHOD AND APPARATUS - An energy storage device temperature control method is provided, to reduce a waste of electric energy. The method includes: obtaining an idle electric energy yield of a photovoltaic power generation system and a battery temperature of an energy storage device, where the photovoltaic power generation system includes a photovoltaic array, the energy storage device, and a load, the energy storage device includes a refrigerating device and a battery, and the idle electric energy yield is a difference between an electric energy yield of the photovoltaic array and an electric energy consumption amount of the energy storage device and the load; and determining a refrigeration temperature of the refrigerating device based on the idle electric energy yield and the battery temperature, where the refrigerating device is used to control a temperature of the battery. | 2021-12-09 |
20210384566 | Battery Module, Method for Preparing the Same and Battery Pack Including the Same - A battery module according to one embodiment of the present disclosure includes: a cell stack including one or more battery cells; a mono frame accommodating the cell stack therein; and a thermally conductive resin layer positioned between a lower portion of the cell stack and the mono frame. The battery module further includes a spring positioned between an upper portion of the cell stack and the mono frame. | 2021-12-09 |
20210384567 | BATTERY WITH SELECTIVE PHASE CHANGE FEATURES - Embodiments provide battery cells and/or battery submodules including a phase change material (PCM) for absorbing excess heat that may be released within the battery cell and/or battery submodule. The PCM may be provided in form of a layer within the battery cell in addition to a thermal insulation layer. Alternatively, the PCM layer may replace the thermal insulation layer. The PCM may be provided on one or more sides of the battery submodule within a container that contains the battery submodule. The PCM may be a solid PCM provided in form of a layer and/or one or more strips. The PCM may also include a liquid PCM that is provided in the container containing the battery submodule. | 2021-12-09 |
20210384568 | BATTERY-CELL HEAT TRANSFER STRUCTURE AND BATTERY MODULE THEREOF - A battery-cell heat transfer structure and a battery module. includes a battery cell in a flat shape and a heat transfer layer attached on the battery cell. The heat transfer layer includes two plate portions arranged spaced apart and facing each other and multiple elastic portions arranged between the two plate portions. Each of the elastic portions is extended along a same direction between the two plate portions, so that an air flow channel is formed from top to bottom between each two adjacent elastic portions. The heat transfer layer provides an elastic restoring force and can be a corrugated board. | 2021-12-09 |