03rd week of 2022 patent applcation highlights part 58 |
Patent application number | Title | Published |
20220020991 | BATTERY CELLS COMPRISING ELASTIC COMPRESSIBLE FUNCTIONA LAYERS AND MANUFACTURING PROCESS - The present disclosure concerns a rechargeable battery cell comprising a compressible elastic composite material to form one or more of: a compressible and elastic first current collector; and a compressible and elastic positive electrode; and a compressible and elastic solid state electrolyte; and a compressible and elastic negative electrode; and a compressible and elastic second current collector, wherein the compressible elastic composite material comprises a plurality of compressible pores. | 2022-01-20 |
20220020992 | Anode Binder for Lithium Rechargeable Battery, Anode Binder Including Cured Compound of the Same Anode Binder - There is provided an anode binder materials that can be converted into an anode binder having heat resistance, chemical resistance, excellent binding force and durability, and the like, as prerequisites for improving the performances of lithium rechargeable batteries, wherein the anode binder material comprises a vulcanization accelerator comprising a metal-organic framework (MOF); a styrene-butadiene-based copolymer; and sulfur molecule (S | 2022-01-20 |
20220020993 | CARBOXYMETHYLCELLULOSE OR SALT THEREOF FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention is aimed to provide carboxymethylcellulose or a salt thereof for a nonaqueous electrolyte secondary battery, an electrode composition containing the same for a nonaqueous electrolyte secondary battery, an electrode for a nonaqueous electrolyte secondary battery, and a nonaqueous electrolyte secondary battery, with a small reduction in the capacity even when charging and discharging are repeated, and with high durability. The carboxymethylcellulose or the salt thereof is used as a binder for an electrode of a nonaqueous electrolyte secondary battery, in which the degree of substitution with carboxymethyl of the carboxymethylcellulose or the salt thereof is 0.5 to 1.5, and a thermal rate of change T that is a difference (W | 2022-01-20 |
20220020994 | BINDER COMPOSITION FOR SECONDARY BATTERY ELECTRODE, CONDUCTIVE MATERIAL PASTE COMPOSITION FOR SECONDARY BATTERY ELECTRODE, SLURRY COMPOSITION FOR SECONDARY BATTERY ELECTRODE, ELECTRODE FOR SECONDARY BATTERY, AND SECONDARY BATTERY - A binder composition for a secondary battery electrode contains a polymer that includes a nitrile group-containing monomer unit, an aromatic vinyl monomer unit, and a linear alkylene structural unit but does not include a hydrophilic group-containing monomer unit. | 2022-01-20 |
20220020995 | Electrode for Secondary Battery - An electrode for a secondary battery includes a current collector, a first electrode mixture layer disposed on at least one surface of the current collector and including carboxymethyl cellulose and styrene butadiene rubber, and a second electrode mixture layer disposed on the first electrode mixture layer and including carboxymethyl cellulose. A weight average molecular weight of the carboxymethyl cellulose included in the first electrode mixture layer is less than a weight average molecular weight of the carboxymethyl cellulose included in the second electrode mixture layer. Adhesion between the electrode current collector and the active material and cohesion between the active materials may be improved, and the resistance within the electrode may be reduced, thereby significantly increasing the capacity and lifespan characteristics of a battery. | 2022-01-20 |
20220020996 | METAL HALIDE CATHODE WITH ENRICHED CONDUCTIVE ADDITIVE - A rechargeable metal halide battery shows increased metal halide utilization with the introduction of electronegative heteroatom-enriched conductive additives into a metal halide cathode incorporated into an electrically conductive material. The electronegative heteroatom-enriched conductive additives include nitrogen-doped carbon, such as nitrogen-doped single layer graphene, and oxygen-enriched carbon, such as acid-treated carbon black. The modified batteries utilize 20-30% more metal halide than unmodified batteries resulting in enhanced specific capacity and energy density. | 2022-01-20 |
20220020997 | ELECTRODE MATERIAL INCLUDING SILICON OXIDE AND SINGLE-WALLED CARBON NANOTUBES - An electrode material for a lithium ion secondary battery contains an active material particles comprising an alkali metal or an alkali earth metal silicate, a binder, and single-walled carbon nanotubes (SWCNTs). | 2022-01-20 |
20220020998 | COMPOSITIONS, ELECTRODES AND LEAD-ACID BATTERIES HAVING IMPROVED LOW-TEMPERATURE PERFORMANCE - A composition suitable for a negative plate of lead-acid battery includes (a) a lead-based active material; (b) at least one material selected from the group consisting of a lignosulfonate and barium sulfate; and (c1) carbon black particles having a Brunauer-Emmett-Teller (BET) surface area greater than or equal to 90 m | 2022-01-20 |
20220020999 | METAL ADSORBENT-CARRYING CARBON MATERIAL, POSITIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERIES, POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERIES, AND LITHIUM ION SECONDARY BATTERY - A metal adsorbent-carrying carbon material includes: a carbon material; and a metal adsorbent that is supported on the carbon material. | 2022-01-20 |
20220021000 | SULFIDE ALL-SOLID-STATE BATTERY - Provided is a sulfide all-solid battery having an anode current collector of powerful adhesiveness which is difficult to be sulfurized. The sulfide all-solid-state battery including: a cathode layer; an anode layer; and a sulfide solid electrolyte layer disposed between the cathode layer and the anode layer, wherein the anode layer has an anode mixture layer, and an anode current collector on a face of the anode mixture layer, the face being on an opposite side of the sulfide solid electrolyte layer, the anode current collector is electrolytic iron foil that does not substantially contain other elements, and the anode current collector has surface roughness Ra of 0.2 μm to 0.6 μm, and surface roughness Rz of 2 μm to 6 μm. | 2022-01-20 |
20220021001 | ELECTRODE PLATE AND SECONDARY BATTERY USING SAME - Provided are a highly reliable electrode plate and a secondary battery using the electrode plate. A positive electrode plate, which is for a secondary battery, has a positive electrode core body and a positive electrode active material layer formed on the positive electrode core body. The positive electrode core body has, at an end thereof, a thick part having a thickness larger than that of the center area of the positive electrode core body. The thick part includes a first projection that projects from one surface of the positive electrode core body in the thickness direction of the positive electrode core body. The positive electrode core body is formed of an aluminum alloy which contains 0.5-2.0 mass % of Mn. | 2022-01-20 |
20220021002 | FILM AND MANUFACTURING PROCESS THEREOF - A film includes a base layer, where each of front and back sides of the base layer is provided with a bonding layer, a composite structure layer, an aluminum material layer, and an anti-oxidation layer in sequence. The composite structure layer includes at least two structure layers. Each structure layer is composed of an aluminum material layer and a reinforcement layer, and the structure layers are stacked. With the composite structure layer, the new film has a resistivity as low as 4.5×10 | 2022-01-20 |
20220021003 | FILM AND PREPARATION PROCESS - A film and a manufacturing process thereof, including a base layer, where each of front and back sides of the base layer is provided with a bonding layer, a functional layer, and a protective layer in sequence; the functional layer is composed of a first composite copper layer and/or a second composite copper layer; the first composite copper layer is formed by repeating copper coating on a surface of the bonding layer 2 to 500 times; and the second composite copper layer is formed by repeating copper coating on a surface of the bonding layer 2 to 500 times. The film has low cost, simple process, and prominent appearance performance, and the present disclosure belongs to the technical field of energy storage unit materials. | 2022-01-20 |
20220021004 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A cell, which is a non-aqueous electrolyte secondary battery, includes: an electrode assembly including a plurality of sheet-shaped positive electrodes and a plurality of sheet-shaped negative electrodes, the plurality of positive electrodes and the plurality of negative electrodes being alternately stacked with separators interposed therebetween; and a battery case that houses the electrode assembly. The electrode assembly includes: an outer layer including a positive electrode arranged on an outermost side of the electrode assembly, and a separator adjacent to the positive electrode; and an inner layer arranged on an inner side of the outer layer. The outer layer includes a fusing member configured to fuse due to heat generation in the electrode assembly caused by a short circuit in the electrode assembly. The inner layer does not include the fusing member. | 2022-01-20 |
20220021005 | ELECTRODE CATALYST FOR FUEL BATTERY, ELECTRODE CATALYST LAYER OF FUEL BATTERY, MEMBRANE-ELECTRODE ASSEMBLY, AND FUEL BATTERY - An electrode catalyst for a fuel battery includes a mesoporous material and catalyst metal particles supported at least in the mesoporous material. In the electrode catalyst for a fuel battery, before supporting the catalyst metal particles, the mesoporous material has mesopores having a mode radius of greater than or equal to 1 nm and less than or equal to 25 nm and has a value of greater than 0.90, the value being determined by dividing a specific surface area S | 2022-01-20 |
20220021006 | ELECTRODE HAVING HIGH OXYGEN PERMEABILITY FOR FUEL CELL AND MEMBRANE-ELECTRODE ASSEMBLY COMPRISING SAME - Disclosed are an electrode for a fuel cell a membrane-electrode assembly including the same, and a method of preparing the same. The electrode may include catalyst particles; and a binder in which the catalyst particles are dispersed. In particular, the binder may include an ionomer having proton conductivity and a polymer of intrinsic microporosity (PIM) in order to implement high oxygen permeability. | 2022-01-20 |
20220021007 | CARBON SUBSTRATE COMPRISING CARBON FIBERS UNIDIRECTIONALLY ALIGNED, AND GAS DIFFUSION LAYER EMPLOYING SAME - Disclosed are a carbon substrate for a gas diffusion layer of a fuel cell, a gas diffusion layer employing the same, an electrode for a fuel cell, a membrane electrode assembly for a fuel cell, and a fuel cell, wherein the carbon substrate includes a plate-shaped substrate having an upper surface and a lower surface opposite the upper surface, and the plate-shaped substrate includes carbon fibers arranged to extend in one direction (extend unidirectionally) and a carbide of an organic polymer located between the carbon fibers to bind the carbon fibers to each other. Since the carbon substrate according to the present disclosure includes carbon fibers aligned in at least one direction selected from a machine direction (MD) and a cross-machine direction (CMD) by controlling the alignment of carbon fibers, the carbon substrate has excellent mechanical strength, particularly, bending strength, even if its thickness is thin, and thus it is possible to effectively prevent the intrusion phenomenon of the gas diffusion layer into the flow path of the metal separator, and has excellent gas flow characteristics. | 2022-01-20 |
20220021008 | Multiple Perforation Plate for Separator of Fuel Cell - A multiple perforation plate for a separator of a fuel cell is provided. The multiple perforation plate is disposed between the separator having a flat plate shape and a gas diffusion layer to form flow paths for a reaction gas, and the multiple perforation plate includes a porous hole region having an uneven shape repeatedly formed therein and provided with a plurality of flow path holes configured to allow the reaction gas to flow in a turbulent way, and a channel region forming a flow path configured to allow the reaction gas to flow along a flow direction of the reaction gas in a straight way, wherein the porous hole region and the channel region are alternately disposed and integrally formed. | 2022-01-20 |
20220021009 | COMBUSTION SYSTEM AND COMBUSTION CONTROL METHOD - A control method of a combustion system for controlling combustion of fuel within a combustor, the combustion system including the combustor having a catalyst for promoting the combustion and a first heater arranged so as to be able to supply heat to the catalyst, including: supplying the fuel and oxidizing gas to the combustor along with providing the heat to the catalyst by the first heater; and deactivating the first heater at a prescribed timing and increasing a flow rate of the fuel greater than that have been set before deactivating the first heater, wherein the prescribed timing is determined as a timing at which a generated heat of the fuel prior to deactivation of the first heater becomes equal to or greater than a heat required for raising a temperature of the fuel having the flow rate after increased up to a light-off temperature of the catalyst. | 2022-01-20 |
20220021010 | FUEL CELL SYSTEM, AND METHOD OF ITS OPERATION - In a fuel cell system, for example HTPEM fuel cells. a valve system is employed by selectively guiding exhaust gas from the burner either to the reformer for heating the reformer, especially during normal operation, or to by-pass the reformer in startup situations in order to heat the fuel cell stack before starting heating the reformer. Optionally, a compact burner/reformer unit is provided. | 2022-01-20 |
20220021011 | TURBO-BLOWER HAVING COMPLEX COOLING STRUCTURE FOR FUEL CELL - The present invention relates to a turbo-blower having a complex cooling structure for a fuel cell, and more specifically, to a turbo-blower having a complex cooling structure for a fuel cell, the turbo-blower providing improved efficiency and durability of an impeller means by inhibiting a temperature rise through cooling of the impeller means that generates high-pressure air, by a cooling structure configured to simultaneously utilize both an air-cooling method and a water-cooling method. | 2022-01-20 |
20220021012 | ELECTROLYTE MEMBRANE FOR MEMBRANE-ELECTRODE ASSEMBLY COMPRISING FILLER IMPROVING ION CONDUCTIVITY - Disclosed is an electrolyte membrane for a membrane-electrode assembly, which may include a filler that is a polymer compound (oligomer) having a low molecular weight. The electrolyte membrane may suitably include an oligomeric poly(vinylpyrrolidone) compound including a sulfonic acid group. The electrolyte membrane for a membrane-electrode assembly may have improved proton conductivity. | 2022-01-20 |
20220021013 | A DIRECT ALCOHOL FUEL CELL - A direct alcohol fuel cell having a proton exchange membrane (PEM) separating an anode section from a cathode section, which cathode section contains a cathode collection element electrically connected to a cathode catalyst, the cathode catalyst being in diffusive communication with a gaseous oxidant, and which anode section comprises an anode collection element electrically connected to an anode catalyst. The anode catalyst is in diffusive communication with a fuel supply. The PEM is structured to have a bottom and walls extending from the bottom to a containment distance into the cathode section, and the cathode catalyst is located within the containment distance from the bottom. The fuel cell is suited for a microelectronic device. | 2022-01-20 |
20220021014 | MEMBRANE ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL - A membrane electrode assembly and a polymer electrolyte fuel cell that are capable of improving water release in a high current region, where a large amount of water is generated, without impairing water retention under low humidity conditions, and also capable of exhibiting high power generation performance and durability under high humidity conditions, and also reducing the production cost of the electrode catalyst layer. A membrane electrode assembly of the present embodiment includes a polymer electrolyte membrane, and a pair of electrode catalyst layers sandwiching the polymer electrolyte membrane. At least one of the pair of electrode catalyst layers contains catalyst-supporting particles having a hydrophobic coating, hydrophobic polymer fibers, and a polymer electrolyte. | 2022-01-20 |
20220021015 | ANTIOXIDANT FOR ELECTROLYTE MEMBRANE OF FUEL CELL AND METHOD FOR PREPARING THE SAME - Disclosed is an antioxidant for a polymer electrolyte membrane of a fuel cell including cerium hydrogen phosphate (CeHPO | 2022-01-20 |
20220021016 | ELECTRODE ASSEMBLY AND ITS FORMING METHOD AND MANUFACTURING SYSTEM, SECONDARY BATTERY, BATTERY MODULE AND DEVICE - The disclosure relates to an electrode assembly and its forming method and a manufacturing system, a secondary battery, a battery module and a device. The electrode assembly includes: a first electrode plate including a plurality of bending sections and a plurality of stacked first stacking sections, each bending section being configured to connect two adjacent first stacking sections, herein the bending section includes a guiding portion for guiding the bending section to be bent during production; and a second electrode plate with a polarity opposite to that of the first electrode plate, the second electrode plate including a plurality of second stacking sections, and each second stacking section being disposed between two adjacent first stacking sections. | 2022-01-20 |
20220021017 | APPARATUS FOR PRESSING BATTERY CELL - An apparatus for pressing a battery cell includes a first pressing plate and a second pressing plate spaced from the first pressing plate to receive a battery cell therebetween and to press the battery cell. At least one of the first pressing plate or the second pressing plate is formed of a shape memory material to provide a pressing member. | 2022-01-20 |
20220021018 | POWER STORAGE DEVICE - A power storage device includes a pair of holding plates, several ribs and thin-walled portions. The ribs includes first ribs inclined to an extending direction of a first edge and an extending direction of a second edge and extending along straight lines connecting first engaging portions and second engaging portions, and second ribs extending along a facing direction in which the first edge and the second edge face each other. At least first ribs extend in different directions from each other and form an intersection where the at least two first ribs intersect with each other. At least one of the second ribs has opposite ends connected to the first ribs intersecting with each other. | 2022-01-20 |
20220021019 | ASYMMETRIC BATTERY HAVING A SEMI-SOLID CATHODE AND HIGH ENERGY DENSITY ANODE - Embodiments described herein relate generally to devices, systems and methods of producing high energy density batteries having a semi-solid cathode that is thicker than the anode. An electrochemical cell can include a positive electrode current collector, a negative electrode current collector and an ion-permeable membrane disposed between the positive electrode current collector and the negative electrode current collector. The ion-permeable membrane is spaced a first distance from the positive electrode current collector and at least partially defines a positive electroactive zone. The ion-permeable membrane is spaced a second distance from the negative electrode current collector and at least partially defines a negative electroactive zone. The second distance is less than the first distance. A semi-solid cathode that includes a suspension of an active material and a conductive material in a non-aqueous liquid electrolyte is disposed in the positive electroactive zone, and an anode is disposed in the negative electroactive zone. | 2022-01-20 |
20220021020 | LITHIUM-ION BATTERIES AND RELATED BATTERY MODULES, BATTERY PACKS AND DEVICES - This application relates to lithium-ion batteries and related battery modules, battery packs and devices. Specifically, the lithium-ion battery includes a positive electrode plate, a negative electrode plate, an electrolyte, and a separator, wherein the positive electrode plate includes aluminum foil as a positive electrode current collector, and a content of element copper atom as an impurity per unit area of the aluminum foil is from 0.009 g/m | 2022-01-20 |
20220021021 | SOLID ELECTROLYTE MATERIAL AND SOLID-STATE BATTERY MADE THEREWITH - A solid electrolyte material comprises Li, T, X and A wherein T is at least one of P, As, Si, Ge, Al, Sb, W, and B; X is one or more halogens and/or N; A is one or more of S or Se. The solid electrolyte material has peaks at 14.9°±0.50°, 20.4°±0.50°, and 25.4°±0.50° in X-ray diffraction measurement with Cu—Kα(1,2)=1.5418A and may include glass ceramic and/or mixed crystalline phases. | 2022-01-20 |
20220021022 | ALL-SOLID-STATE SECONDARY BATTERY - An all-solid-state lithium secondary battery includes a laminated body which has a positive electrode layer including a positive electrode current collector layer and a positive electrode active material layer, a negative electrode layer including a negative electrode current collector layer and a negative electrode active material layer, a solid electrolyte layer containing a solid electrolyte, and a margin layer that is disposed side by side with each of the positive electrode layer and the negative electrode layer and contains a solid electrolyte, in which the positive electrode layer and the negative electrode layer are alternately laminated with the solid electrolyte layer containing the solid electrolyte interposed therebetween, and the laminated body includes metal particles having an oxide film in the positive electrode active material layer, the negative electrode active material layer, the solid electrolyte layer, and the margin layer. | 2022-01-20 |
20220021023 | COMPOSITE ELECTROLYTES WITH BINDERS - Functionalized polymeric binders for electrolyte and electrode compositions include a polymer having a polymer backbone and functional groups. In some embodiments, a polymer includes a non-polar polymer backbone and a functional group that is 0.1 to 5 wt % of the polymer. In some embodiments, a polymer includes a polar backbone and a functional group that is 0.1 to 50% weight percent of the polymer. Also described are composites for electrolyte separators and electrodes that include argyrodite ion conductors and polar polymers. | 2022-01-20 |
20220021024 | SOLID-STATE BATTERY - A solid-state battery including a solid-state battery laminate having one or more positive electrode layers, one or more negative electrode layers, and a solid electrolyte interposed therebetween. Each of the electrode layers of the one or more positive electrode layers and the one or more negative electrode layers contains an active material, and an outermost electrode layer of the solid-state battery laminate has a different active material amount with respect to a non-outermost electrode layer located on an inner side of the outermost electrode layer. | 2022-01-20 |
20220021025 | TRANSLUCENT AND TRANSPARENT SEPARATORS - Provided herein are detect-free solid-state separators which are useful as Li | 2022-01-20 |
20220021026 | FLUORINATED GEL POLYMER ELECTROLYTE FOR A LITHIUM ELECTROCHEMICAL CELL - A gel polymer electrolyte for a lithium electrochemical cell, comprising: a) a three-dimensional cross-linked polymer network within a liquid electrolyte obtained by forming a reaction product of at least one fluorinated copolymer with at least one isocyanate compound comprising at least two isocyanate functional groups, and b) a liquid electrolyte solution included in the polymer network a), wherein the fluorinated copolymer comprises: i) at least one first recurring unit derived from at least one ethylenically unsaturated fluorinated monomer; and ii) at least one second recurring unit derived from at least one ethylenically unsaturated monomer having a hydroxyl group. A process for the manufacture of the gel polymer electrolyte for a lithium electrochemical cell; a lithium electrochemical cell comprising a cathode, an anode, and the present gel polymer electrolyte; and use of the gel electrolyte polymer in a lithium electrochemical cell as a separator and an electrolyte. | 2022-01-20 |
20220021027 | LITHIUM METAL NEGATIVE ELECTRODE PROTECTION METHOD IMPROVING LITHIUM UTILIZATION EFFICIENCY - The invention discloses a lithium metal negative electrode protection method improving lithium utilization efficiency, and relates to the field of lithium batteries. In a lithium battery, lithium metal is deposited on a current collector as a battery negative electrode, and a high molecular polymer is added as an additive to an ester electrolyte. In the present application, the high molecular polymer is prepared by a polymerization reaction of monomer A being acrylonitrile or derivatives thereof, monomer B being perfluoroalkyl ethyl methacrylate or derivatives thereof, and monomer C being alkyl alcohol diacrylate or derivatives thereof. Due to the negative charge on the surface of lithium metal, the —CN and —CF3 in the polymer are strong electron-withdrawing groups, which promote the preferential adsorption of electrolyte additives on the surface of lithium metal and reduce the contact of other components in the electrolyte with lithium metal. | 2022-01-20 |
20220021028 | NON-AQUEOUS ELECTROLYTE FOR A LITHIUM ION BATTERY AND A LITHIUM ION BATTERY - Provided is a non-aqueous electrolyte for a lithium ion battery, comprising one or more compounds A represented by structure 1, wherein R | 2022-01-20 |
20220021029 | Non-Aqueous Electrolyte for Lithium Secondary Battery and Lithium Secondary Battery Including the Same - A non-aqueous electrolyte for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, a non-aqueous electrolyte for a lithium secondary battery includes an organic solvent, a lithium salt, and a compound represented by Formula 1. In some embodiments, the compound represented by Formula 1 is present in an amount of 0.5 part by weight to 5 parts by weight based on 100 parts by weight of the non-aqueous electrolyte. | 2022-01-20 |
20220021030 | Electrolyte For Lithium Secondary Battery And Lithium Secondary Battery Including The Same - An electrolyte for a lithium secondary battery, and a lithium secondary battery including the same are disclosed herein. In some embodiments, an electrolyte for a lithium secondary battery includes a lithium salt having a molar concentration of 1.5 M to 2.0 M, an oligomer containing a unit represented by Formula 1 and having an acrylate group at an end thereof, a first additive represented by Formula 2, and an organic solvent. | 2022-01-20 |
20220021031 | ELECTROLYTE ADDITIVE, ELECTROLYTE, LITHIUM ION SECONDARY BATTERY CONTAINING THE SAME AND USE THEREOF - An electrolyte additive includes any one or more compounds in a group consisting of compounds in Formula (1) and Formula (2) below, wherein R | 2022-01-20 |
20220021032 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY LAMINATED BODY - A nonaqueous electrolyte secondary battery laminated body is provided in which a porous layer is less likely to be broken even when an external force is applied when the nonaqueous electrolyte secondary battery laminated body is present in a battery. The nonaqueous electrolyte secondary battery laminated body is such that a peel strength between a first electrode plate and an outermost surface layer of a nonaqueous electrolyte secondary battery laminated separator is lower than a peel strength between a porous layer and a polyolefin porous film when the nonaqueous electrolyte secondary battery laminated body has been subjected to Peeling Test A. Step 1A: A nonaqueous electrolyte secondary battery laminated body is immersed in a predetermined solvent. Step 2A: The first electrode plate is fixed on a substrate. Step 3A: The nonaqueous electrolyte secondary battery laminated separator is peeled off under a predetermined condition. | 2022-01-20 |
20220021033 | BATTERY MODULE, DEVICE, AND FAILURE HANDLING METHOD FOR FAILED BATTERY CELL - A battery module, a device, and a failure handling method for a failed battery cell. The battery module includes: a battery cell arrangement structure, including a plurality of battery cells arranged along a length direction, where the battery cells include electrode terminals, and the battery cells include a failed battery cell; a box body, having an accommodation cavity in which the battery cell arrangement structure is located; a mounting beam, located in the accommodation cavity and at an end of the battery cell arrangement structure along the width direction; a pressing plate; and a conductive component, connected to a positive electrode terminal and a negative electrode terminal of the failed battery cell. The conductive component is easily connected to electrode terminals of a failed battery cell, so that a maintenance process can be simplified and maintenance costs can be reduced. | 2022-01-20 |
20220021034 | FAILED BATTERY CELL HANDLING METHOD, BATTERY MODULE, BATTERY PACK, AND DEVICE - A failed battery cell handling method, a battery module, a battery pack, and a device, which relates to the technical field of energy devices. The handling method includes: injecting a conductive material into a failed battery cell, where the conductive material is in a molten state when being injected, and is in a solid state after cooling, and the conductive material is configured to electrically connect a positive terminal and a negative terminal of the failed battery cell. | 2022-01-20 |
20220021035 | BATTERY MODULE FOR DETECTING HIGH TEMPERATURE OF BATTERY CELL - A battery module according to an embodiment of the present invention is composed of a plurality of battery cells. The battery module includes one positive (+) output terminal formed by connecting the plurality of battery cells, a field effect transistor (FET) provided on a current path between the positive (+) output terminal and an external device to block charging or discharging of a battery module, a protection integrated circuit (IC) chip for controlling the FET, and a high temperature detector for detecting whether the battery module is above a predetermined temperature and including a plurality of positive temperature coefficient (PTC) thermistors connected in series with each other. | 2022-01-20 |
20220021036 | SYSTEMS, METHODS, AND DEVICES FOR INCREASED CHARGING SPEED OF LITHIUM-BASED BATTERY PACKS - Battery pack chargers described herein for charging a battery pack include a battery pack receiving portion, a power control module, and a controller. The battery pack receiving portion receives and interfaces with the battery pack. The battery pack includes one or more battery cells. The power control module is configured to provide power to the battery pack receiving portion. The controller is connected to the power control module. The controller is configured to provide a charging current to one or more battery cells of the battery pack using a stepped charging profile. The step charging profile includes a first charging current level. The first charging current level is greater than a predetermined maximum charging current for the battery pack. The controller steps down the charging current to a second charging current level when a voltage of the one or more battery cells increases to a predetermined voltage value. | 2022-01-20 |
20220021037 | Method and Device for Detecting a Thermal Runaway in a Battery Module - A device for detecting a thermal runaway of a battery module with a number of cells includes a current acquisition module that is configured to capture a set of currents, and a temperature acquisition module that is configured to capture a set of temperatures. The device includes a state of charge capturing module that is configured to capture a set of states, and a resistance calculation module that is configured to derive a set of resistances. The device includes a temperature prediction module that is configured to calculate a set of temperature predictors, and a runaway prediction module that is configured to calculate a set of runaway predictors. A warning module that is configured to set a warning indicator when at least one runaway predictor value of the set of runaway predictors exceeds a predefined threshold value. | 2022-01-20 |
20220021038 | BATTERY CELL TEMPERATURE MONITORING - A battery assembly and a method of assembling a battery assembly are provided. The battery assembly comprises: an array of battery cells, the array comprising plural rows, each row comprising plural cells; a flexible printed circuit board (PCB) provided between two adjacent rows, of the plurality of rows of cells; and at least one temperature sensor provided adjacent to and electrically connected to the flexible PCB, each temperature sensor being operable to sense a temperature of one or more cells of the two adjacent rows. | 2022-01-20 |
20220021039 | BATTERY PACK ASSEMBLY METHOD - A method of assembling a battery pack from a plurality of battery cells of a same type is provided. The method may account for normal variation in the DC internal resistance of the cells and thereby improve the battery pack's performance. The method comprises: identifying a design for at least a portion of a battery pack, wherein the portion includes a plurality of battery cells and the design defines, for each of the plurality of cells, a cell position within the portion of the battery pack; obtaining a thermal model for the portion of the battery pack. | 2022-01-20 |
20220021040 | BATTERY PACKS FOR BATTERY-POWERED APPLIANCES AND CONNECTION SYSTEM FOR SAME - A battery pack includes a housing, at least one battery cell enclosed within the housing, a printed circuit board (PCBA) enclosed within the housing, a gauge electrically connected to the PCBA and including at least one light, and an actuator that, when actuated, activates the gauge to illuminate the at least one light to indicate a charge level of the at least one battery cell. The housing has a main body and a handle extending from the main body, and the handle defines an aperture sized and shaped to receive one or more of a user's fingers therein. The gauge is located on an outer surface of the handle. | 2022-01-20 |
20220021041 | Apparatuses and Methods for Acoustic and Current Manipulation of Anode Interface Deposits in Lithium Anode Batteries and other Battery Systems - Improved battery systems, apparatuses, and methods for use in electric air, land, and marine vehicles and mobile, portable, and stationary electrical appliances and devices are provided. The systems employ acoustic and current manipulation of anode interface deposits including dendrites on or proximate lithium and other anodes. This invention may employ multistatic ultrasonic phased arrays and current modulation to 1) minimize deposit, e.g., dendrite, initiation and formation by acoustic stirring, 2) acoustically image dendritic growths to monitor changes in dendrite growths, 3) cue dendrite cleaning and battery shutdown to avoid short circuit, 4) induce failure in dendritic structure and shearing of at least a portion of the dendrite from the anode, and 5) transport sheared dendrites and other dead metal to a graveyard. | 2022-01-20 |
20220021042 | PLANT FOR THE DISPOSAL OF LITHIUM BATTERIES AND RECOVERY OF LITHIUM - Plant for disposing and recovering lithium batteries, including: storage; supply; crushing, submerged in liquid solution and in overpressure of inert gas, for destroying the batteries through cutting discs and milling cutters; torch for burning the gaseous residue and possible organic solvents; centrifugation and screening of the scrap; evaporation, for removing the volatile solvents and concentrating the lithium in solution; recovery of the heavy metals, with chemical/physical reactor which, by way of a filter press, distributes the products between a liquids tank and a solids tank; recovery of lithium wherein the lithium is recovered through the crystallisation of lithium carbonate by adding sodium carbonate and heating, contained in a tank and heating the solution in a special heated tank, in a chemical/physical reactor. | 2022-01-20 |
20220021043 | ELECTRONIC CIGARETTE - An electronic cigarette including an atomization assembly and a battery assembly. The atomization assembly is disposed on the battery assembly. The battery assembly includes a temperature protection control unit. The temperature protection control unit includes a control panel. The control panel includes a temperature protection sensing unit configured to detect an internal temperature of the battery assembly and transmit a signal with regard to the internal temperature to the control panel. When the internal temperature of the battery assembly is over 75° C., the control panel stops working, and the atomization assembly is unable to work. | 2022-01-20 |
20220021044 | THERMAL DEVICE FOR HEATING AND COOLING BATTERY MODULES - A thermal device comprises a first layer of a non-metallic material that is a good conductor of heat and electricity, that includes a first terminal and a second terminal, and that has a first surface and a second surface; a metallic material disposed on the first surface of the first layer; a first plastic layer disposed on the metallic material; and a second plastic layer disposed on the second surface of the first layer. The first plastic layer and the second plastic layer include a plastic material that is a good conductor of heat. | 2022-01-20 |
20220021045 | TEMPERATURE RAISING DEVICE - The present invention includes an AC generation circuit which is configured to be connected to a secondary battery having characteristics in which a resistance component of an impedance of the secondary battery decreases as a frequency of an alternating current flowing in the secondary battery rises from a low frequency and the resistance component increases as the frequency moves to a high frequency side from a frequency at which the resistance component is minimized and to raise the temperature of the secondary battery by circulating an alternating current at a frequency in a high frequency band higher than the frequency at which the resistance component is minimized in the secondary battery. | 2022-01-20 |
20220021046 | Housing for Rechargeable Batteries - Lithium ion batteries are provided that include materials that provide advantageous endothermic functionalities contributing to the safety and stability of the batteries. If the temperature of the lithium ion battery rises above a predetermined level, the endothermic materials serve to provide one or more functions to prevent and/or minimize the potential for thermal runaway, e.g., thermal insulation (particularly at high temperatures); (ii) energy absorption; (iii) venting of gases produced, (iv) raising total pressure within the battery structure; (v) removal of absorbed heat from the battery system via venting of gases produced during the endothermic reaction(s) associated with the endothermic materials, and/or (vi) dilution of toxic gases (if present) and their safe expulsion from the battery system. Multi-core rechargeable electrochemical assemblies are also provided that include a plurality of jelly rolls, a negative current collector, a positive current collector, and a metal case. | 2022-01-20 |
20220021047 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A cell that is a non-aqueous electrolyte secondary battery includes an electrode body in which a sheet-shaped positive electrode and a sheet-shaped negative electrode are stacked via a separator, and a battery case that accommodates the electrode body and an electrolytic solution. The electrode body includes a predetermined number of outer layers including an outermost layer made up of the separator and the negative electrode disposed on an outermost side of the electrode body, and an inner layer disposed on an inner side than the outer layer. The outer layer includes a negative electrode mixture layer configured to suppress heat generation of the electrode body caused by a short circuit of the electrode body as a heat generation suppressing member. The inner layer does not include the heat generation suppressing member. | 2022-01-20 |
20220021048 | ELECTRIC VEHICLE BATTERY COLD PLATE ASSEMBLIES - An electric vehicle battery cold plate assembly comprising a top plate having a lower major surface with at least one patterned open-faced cooling channel formed therein and intermediate land area, a bottom plate or battery tray, and one or a combination of (a) a continuous or mostly continuous layer or sheet of organic bonding agent/adhesive disposed so as to cover and bond together at least most or all of an upper major surface of the bottom plate and at least most or all of the intermediate land area of the top plate, (b) strips or a pattern of organic bonding agent/adhesive disposed so as to cover and bond together at least most or all of the intermediate land area of the top plate and corresponding area on an upper major surface of the bottom plate, and (c) strips or a pattern of organic bonding agent/adhesive disposed so as to cover and bond together at least most or all of the intermediate land area of the top plate and corresponding area on the upper major surface of the battery tray. | 2022-01-20 |
20220021049 | COOLING STRUCTURE FOR HYBRID-ELECTRIC VEHICLE BATTERY CELL ASSEMBLIES - A cooling structure for a vehicle battery cell assembly includes a receptacle having a thermally-conductive floor. At least one first thermally conductive structure is positioned in an interior of the receptacle and in direct physical contact with a first side of the floor, and at least one second thermally conductive structure positioned in the interior of the receptacle in direct physical contact with the at least one first thermally conductive structure and spaced apart from the first side of the floor by the first thermally conductive structure. The cooling structure also includes a coolant conduit having an inlet, an outlet, and a flow passage in fluid communication with the coolant conduit inlet and outlet, the flow passage being in direct physical contact with an exterior of the receptacle along a second side of the floor opposite the first side of the floor. | 2022-01-20 |
20220021050 | ELECTRIC FRONT END ACCESSORY DEVICES ASSEMBLY - An accessory component assembly is provided that includes a frame, a first vehicle accessory, and a second vehicle accessory. The frame is configured to support vehicle accessories. The first vehicle accessory is mounted to the frame. The second vehicle accessory is mounted to the frame. The frame is configured to simultaneously couple the first vehicle accessory and the second vehicle accessory to a chassis of a vehicle such that the accessory component assembly can be functionally coupled to at least two other vehicle sub-systems. | 2022-01-20 |
20220021051 | METHOD FOR EXCHANGING HEAT WITH A BATTERY USING FLUORINATED COMPOUNDS HAVING A LOW GWP - The present invention relates to a method for exchanging heat with a battery comprising the use of a heat transfer fluid, which comprises one or more chemical compounds having the general formula: Ph(OR | 2022-01-20 |
20220021052 | LIQUID COOLING PLUG-IN ASSEMBLY, LIQUID COOLING PLUG-IN DEVICE, AND BATTERY PACK ASSEMBLY - A liquid cooling plug-in assembly, a liquid cooling plug-in device, and a battery pack assembly are provided. The liquid cooling plug-in assembly includes a first fixed plate, a floating plate, at least one first elastic member, and a plurality of plug-in members, the plurality of plug-in members are all connected to the floating plate, the first fixed plate is provided with a movement cavity therein, the floating plate and the first elastic member are both located in the movement cavity, and the floating plate is in floating connection with the first fixed plate by means of the first elastic member. | 2022-01-20 |
20220021053 | Battery heating system, Battery Device and Electric Vehicle - Provided is a battery heating system, a battery device and an electric vehicle. The battery heating system includes: a battery pack having multiple battery cells; a plurality of heating resistors, each heating resistor is connected to a corresponding battery cell and is configured to heat the connected battery cell; a switching circuit, which is connected to each battery cell and each heating resistor; a controller, which is connected to the switch circuit and is configured to select one or more battery cells for discharging and one or more battery cells to be heated from the plurality of battery cells according to the temperature and/or energy of each battery cell, and control switches in the switching circuit to switch on/off, so that the current of the one or more battery cells for discharging flows through the corresponding heating resistor to heat the one or more battery cells to be heated. | 2022-01-20 |
20220021054 | POUCH CASE FOR SECONDARY BATTERY, SECONDARY BATTERY HAVING SAME, SECONDARY BATTERY MODULE, AND METHOD OF MANUFACTURING SECONDARY BATTERY - A pouch case according to an embodiment of the present disclosure includes: a forming portion having a predetermined depth, and allowing each of a first end surface and a second end surface of the electrode assembly to be received therein; a notch portion extending from each of opposite ends of the forming portion so as to have a depth gradually decreasing from a depth defined by the thickness of the electrode assembly received in the forming portion; and a storing portion covering a remaining portion other than a portion of the electrode assembly received in the forming portion. According to the embodiment of the present disclosure, by effectively controlling a protruding structure of the pouch case sealed on the first and second end surfaces of the electrode assembly received therein, it is possible to improve contact reliability between the stacked. | 2022-01-20 |
20220021055 | RECHARGEABLE BATTERY - A rechargeable battery according to an embodiment includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case including an inner space to accommodate the electrode assembly and having an opening at a side thereof; a cap plate coupled to the opening of the case and including a terminal hole to expose the inner space; and an electrode terminal electrically connected to the electrode assembly through the terminal hole and overlapping the cap plate, and the cap plate and the electrode terminal are made of different metals. | 2022-01-20 |
20220021056 | BATTERY SYSTEM FOR HEAVY DUTY VEHICLES - The present disclosure relates to a battery system for a hybrid or an electric vehicle. Another aspect of the present disclosure provides a battery assembly designed for easy and quick exchange of battery assemblies enabling a vehicle to resume driving much more quickly than traditional charging permits. | 2022-01-20 |
20220021057 | CAPACITANCE REDUCTION IN BATTERY SYSTEMS - A battery system includes a battery cell, a thermally insulating layer, and a thermally conducting layer which includes a fin. The fin pushes against an interior surface of a case which surrounds the battery cell, the thermally insulating layer, and the thermally conducting layer. The thermally conducting layer includes a discontinuity where the discontinuity is configured to reduce a capacitance associated with the thermally conducting layer compared to when the thermally conducting layer does not include the discontinuity. | 2022-01-20 |
20220021058 | BATTERY MODULE, BATTERY PACK, AND VEHICLE - This application provides a battery module, a battery pack, and a vehicle. The battery module includes batteries, a first end plate, and a second end plate. A first lug portion of the first end plate is provided with a first mounting hole. A second lug portion of the second end plate is provided with a second mounting hole. An area of a lower surface of the first lug portion is S | 2022-01-20 |
20220021059 | BATTERY CASE - A battery case for housing a battery and a method of fabricating such a battery case are provided. The battery case may be a battery case for an aircraft. The battery case comprises an enclosure having a cavity for housing the battery. An internal surface of the enclosure facing the cavity includes a protective lining comprising cork and a phenolic binder. | 2022-01-20 |
20220021060 | BATTERY MODULE INCLUDING BASE PLATE HAVING GAS DISCHARGE PASSAGE, AND BATTERY PACK AND ENERGY STORAGE SYSTEM INCLUDING THE SAME - A battery module reduces the risk of secondary ignition or explosion and increases cooling efficiency. The battery module includes a cell assembly having a plurality of secondary batteries stacked on each other in a front and rear direction; and a base plate configured such that the plurality of secondary batteries of the cell assembly are mounted to an upper portion thereof, the base plate including at least one gas discharge passage having a sidewall elongated in the front and rear direction to communicate with the outside and an open portion formed by a top of the sidewall in one direction and at least one anti-inflammatory mesh sheet configured to cover the open portion. | 2022-01-20 |
20220021061 | METHODS AND SYSTEMS FOR PROTECTING COMPONENTS OF DEEP WATER PRESSURE VESSELS - Embodiments include enclosures for protecting electronics such as circuit board and battery assemblies in high-pressure environments. Customized pressure distribution structures are positioned around the electronics. The pressure distribution structures include cavities that are sized to distribute pressure across the electronics in a predetermined manner based on known pressure tolerances of components or portions of the electronics. The pressure distribution structures may include various features such as vias for enhancing thermal conductivity. The enclosure may be sealed and surrounded by an envelope. Methods for manufacturing such enclosures are disclosed. | 2022-01-20 |
20220021062 | BATTERY PACKS FOR BATTERY-POWERED APPLIANCES AND CONNECTION SYSTEM FOR SAME - A battery pack connection system includes a first battery pack, a second battery pack, and a battery receptacle. Each of the first and second battery packs includes a first guide slot, a second guide slot, and an electrical connector slot. The second battery pack has a power capacity and a width greater than the first battery pack. The battery receptacle defines an elongate passage sized and shaped to separately receive each of the first and second battery packs therein. The battery receptacle includes an electrical connector rail, a first guide rail sized and shaped to cooperatively engage the first guide slot of each of the first and second battery packs, and a second guide rail sized and shaped to cooperatively engage the second guide slot of each of the first and second battery packs. | 2022-01-20 |
20220021063 | BATTERY PACK AND VEHICLE - A battery pack is provided. The battery pack includes a first partition piece, a battery row, and a shielding member. The first partition piece is located between two batteries adjacent to each other in a first direction in the battery row. An upper surface of the first partition piece is lower than an upper surface of a top cover. A recess is formed between the battery row and the first partition piece. The shielding member includes a first shielding portion and a second shielding portion. The first shielding portion overlays all explosion-proof valves of the battery row. A passage is disposed between the first shielding portion and the upper surface of the battery row. The passage is configured to guide a fluid to flow along the first direction and is provided with a downward opening. The second shielding portion closes off a part of the opening facing the recess directly. | 2022-01-20 |
20220021064 | BATTERY MODULE - A battery module includes a cell assembly, where a cell in the cell assembly includes a cell body and a tab; and the battery module further includes: a first fastening band, configured to enclose the cell assembly in a thickness direction of the cell; and a second fastening band, configured to enclose the cell assembly in the thickness direction of the cell, where in a length direction of the cell, a distance between a projection location of the first fastening band and a first end of the cell body is less than or equal to L/4, a distance between a projection location of the second fastening band and a second end of the cell body is less than or equal to L/4, and L is length of the cell body. | 2022-01-20 |
20220021065 | ELECTRIC WORK MACHINE - An electric work machine allows use of batteries with different sizes with battery covers and allows easy maintenance of a damaged battery cover. A rechargeable concrete vibrator includes a motor, a motor housing accommodating the motor, a battery holder connected to the motor housing to receive a battery in a detachable manner, and a battery cover to cover an overall part of the battery held by the battery holder. The battery cover is attachable to and detachable from the battery holder. | 2022-01-20 |
20220021066 | BATTERY PACK COVER HAVING UNEVEN SURFACE STRUCTURE AND BATTERY PACK COMPRISING SAME - A battery pack cover has irregularities formed on an upper surface portion thereof. The battery pack cover effectively prevents stress from being concentrated on a specific area, enables rigidity enhancement without adding a separate bracket, and is easily assembled when applied to packaging. | 2022-01-20 |
20220021067 | BATTERY MODULE, BATTERY PACK AND VEHICLE - A battery module, a battery pack and a vehicle are provided. The battery module includes a battery and a buffer element. The buffer element is arranged between two adjacent batteries and has a main body portion, a first limiting portion and a second limiting portion. The main body portion is provided with an opening, the first limiting portion and the second limiting portion are located at both ends of the main body portion in a first direction and are arranged at intervals from the opening. The battery faces the opening and abuts against the main body portion, and is located between the first limiting portion and the second limiting portion, thereby improving a grouping efficiency of the battery module. | 2022-01-20 |
20220021068 | BATTERY, AND RELATED DEVICE, PREPARATION METHOD AND PREPARATION APPARATUS THEREOF - The present application discloses a battery and a related device, preparation method, and preparation apparatus thereof. The battery includes: a plurality of battery cells, at least one battery cell of the plurality of battery cells including a pressure relief mechanism, and the pressure relief mechanism being configured, when an internal pressure of the at least one battery cell reaches a threshold, to be actuated to release the internal pressure; and a bus component configured to electrically connect the plurality of battery cells, wherein the pressure relief mechanism and the bus component are respectively arranged on different sides of the at least one battery cell, such that emissions from the at least one battery cell are discharged in a direction away from the bus component when the pressure relief mechanism is actuated. | 2022-01-20 |
20220021069 | SECONDARY BATTERY - This disclosure provides a secondary battery, including: a case including an opening; an electrode assembly disposed within the case and including a main body and two tabs, the two tabs being both disposed facing the case; and a cap assembly including a cap plate, a lower insulating member and an explosion-proof valve, the cap plate sealing the opening, the explosion-proof valve being disposed on the cap plate, the lower insulating member being disposed on a side of the cap plate close to the electrode assembly, the lower insulating member including an inner side surface facing the main body, an outer side surface facing the cap plate, and a concave portion recessed from the inner side surface toward the outer side surface, the concave portion being in position corresponding to the explosion-proof valve, and the concave portion being used to buffer expansion and deformation of the main body. | 2022-01-20 |
20220021070 | BATTERY PACK AND DEVICE - An embodiment of the present application provides a battery pack and a device. The battery pack includes a battery module, a heat exchange member, a flow guide piece and a heat-conducting connecting piece. The battery module includes a plurality of batteries. Each battery is provided with an explosion-proof valve. The heat exchange member includes a heat exchange plate. The heat exchange plate is connected to the plurality of batteries through the heat-conducting connecting piece, and the heat exchange plate at least partially covers each explosion-proof valve. The flow guide piece is arranged between the plurality of batteries and the heat exchange plate, the flow guide piece is provided with a positioning hole penetrating in a height direction of the battery pack, and the positioning hole exposes the corresponding explosion-proof valve. The flow guide piece separates the corresponding explosion-proof valve from the heat-conducting connecting piece. | 2022-01-20 |
20220021071 | BATTERY PACK AND POWER SUPPLY SYSTEM - Battery pack ( | 2022-01-20 |
20220021072 | SEALED BATTERY - A sealed battery with a battery case that includes a bottomed cylindrical outer can and an opening-sealing body that closes an opening section of the outer can; and an electrode body that is accommodated inside the battery case. The opening-sealing body includes a metal plate, and the metal plate includes a protruding section that bulges toward the outside of the battery cast, and a flange section that is formed on the circumference of the protruding section. The protruding section includes an inclination section that inclines inward from the radial outside of the opening sealing body so as to be progressively separated from the electrode body, wherein a thin wall section, which has a thickness less than portions other than the inclination section and is preferably broken when the inner pressure of the battery case exceeds a predetermined threshold, is formed in at least a portion of the inclination section. | 2022-01-20 |
20220021073 | BATTERY MODULE - A battery module includes a plurality of secondary battery cells, including at least one weak sealing portion, and a housing unit in which the plurality of secondary battery cells are accommodated. The housing unit includes a flame discharge opening formed to face the weak sealing portion such that flame or exhaust gas, discharged from the weak sealing portion, is induced to be discharged outwardly of the housing unit. | 2022-01-20 |
20220021074 | APPARATUS FOR MITIGATION OF THERMAL EVENT PROPAGATION FOR BATTERY SYSTEMS - Apparatus for mitigating propagation of thermal events between battery cells within a battery module assembly ( | 2022-01-20 |
20220021075 | METHOD OF MANUFACTURING POROUS FILM AND POROUS FILM - A porous film having favorable characteristics is manufactured. A method of manufacturing the porous film of the present invention includes: (a) a step of modifying a first filler to be hydrophobic by mixture of the first filler and an additive; (b) a step of forming a coating liquid by mixture of the hydrophobic first filler, a second filler and solvent; and (c) a step of forming a coating film (CF) by application of the coating liquid onto a surface of a porous base substance (S). In the step (a), the first filler is a cellulose, and a hydrophilic group of the cellulose is substituted with a hydrophobic group by a reaction between the cellulose and the additive. When the coating film is formed on the surface of the porous base substance as described above, mechanical strength and heat resistance of the porous film (separator) can be improved. For example, thermal deformation of the porous film (separator) can be equal to or lower than 5%. | 2022-01-20 |
20220021076 | SEPARATOR FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME - The present invention relates to a separator for a lithium secondary battery and a lithium secondary battery including same, the separator including: a porous substrate; and a coating layer on at least one surface of the porous substrate. The coating layer includes a (meth)acrylic copolymer including a first structural unit derived from (meth)acrylamide, a second structural unit derived from (meth)acrylonitrile, and a third structural unit derived from (meth)acrylamido sulfonic acid, (meth)acrylamido sulfonic acid salt, or a combination thereof. The first structural unit is included in an amount of 55 mol % to 90 mol % based on 100 mol % of the (meth)acrylic copolymer and the second structural unit and third structural unit are each independently included in 5 mol % to 40 mol % based on 100 mol % of the (meth)acrylic copolymer. The (meth)acrylic copolymer has a weight average molecular weight of 200,000 to 700,000. | 2022-01-20 |
20220021077 | PRECIPITATED SILICA FOR BATTERY SEPARATOR - A precipitated silica suitable for use in lead-acid battery separators having a good balance between mechanical properties and electrical resistivity. In particular, a precipitated silica characterised by a DOA oil absorption equal to or greater than 200 mL/100 g; a median aggregate size D50 | 2022-01-20 |
20220021078 | SEPARATOR FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME - The present invention relates to a separator for a lithium secondary battery and a lithium secondary battery including the separator, the separator for a lithium secondary battery including: a polyolefin-based porous substrate; and a coating layer on at least one surface of the polyolefin-based porous substrate, wherein a coefficient of performance Q1 of the polyolefin-based porous substrate as represented by Equation 1 is greater than or equal to 1.2 (gf/nm·μm), a coefficient of performance Q2 of the polyolefin-based porous substrate as represented by Equation 2 is greater than or equal to 0.25 (gf/nm·%), and the coating layer includes a binder and inorganic particles. | 2022-01-20 |
20220021079 | POLYMER MICROSPHERES AS BINDERS FOR COMPOSITE ELECTROLYTES - Provided herein are composite electrolytes that include inorganic conductors and polar polymers. By providing the polar polymers as structures such as microspheres in a suspension in a non-polar solvent, the polar polymers can be used as binders in composites that include sulfide electrolytes. The resulting composites have high room temperature conductivities and good mechanical properties. Also provided are composites that include inorganic conductors and other polymers that are insoluble in non-polar solvents. Also provided are composites that include polar polymers and lithium argyrodite conductors and methods of processing the composites that result in high conductivity retention. Also provided are methods of forming composite electrolytes using suspensions of polymer microstructures in a processing solvent and the resulting composite electrolytes. | 2022-01-20 |
20220021080 | BATTERY ASSEMBLY - Battery assemblies and methods of fabricating battery assemblies are provided. One such battery assembly comprises: an array of battery cells comprising plural rows, each row comprising plural cells, each cell extending between opposed first and second ends and having first and second terminals both at the first end; a carrier frame housing the array of cells and comprising an array of apertures corresponding to the array of cells, the first end of each cell is at least partially exposed by one of the apertures; and bus bars attached to the carrier frame between adjacent rows of the array such that each of the rows is adjacent two bus bars. | 2022-01-20 |
20220021081 | BATTERY SYSTEM - A battery system. The battery system includes a plurality of identically oriented battery cells, whose longitudinal axes are situated in parallel, a first busbar, and a second busbar. The first busbar and the second busbar are situated along the particular longitudinal axes on the same side of the battery cells, respective positive poles of the battery cells being connected to the first busbar with the aid of first bond connections, and respective negative poles of the battery cells being connected to the second busbar with the aid of second bond connections. | 2022-01-20 |
20220021082 | BATTERY MODULE, BATTERY PACK, AND BATTERY-POWERED APPARATUS - The present application provides a battery module, a battery pack, and a battery-powered apparatus. The battery module includes a plurality of battery units and a busbar assembly. The plurality of battery units are arranged in a horizontal direction, where each battery unit includes a plurality of batteries stacked in a vertical direction, the plurality of batteries include a first battery and a second battery, the first battery and the second battery each include a first electrode terminal, a second electrode terminal, and an explosion-proof piece. A busbar assembly electrically connects the plurality of battery units, where the busbar assembly includes a first busbar connected to the first electrode terminal and the second electrode terminal. In a first direction perpendicular to the vertical direction and the horizontal direction, the first busbar includes a first weak zone that at least partially overlaps with the explosion-proof piece of the first battery. | 2022-01-20 |
20220021083 | CONNECTION MODULE - A connection module includes a FPC and bus bars connected to the FPC and connecting the electrode terminals of power storage elements that are adjacent to each other. The FPC includes a first wiring portion, a second bus bar mount portion, and a third bus bar mount portion to which the bus bars are connected. The FPC further includes a second expandable/contractable portion and a third expandable/contractable portion. The second expandable/contractable portion is continuous from the second bus bar mount portion and allowed to be expanded and contracted in a direction to be closer to and farther away from the first wiring portion and the third bus bar mount portion. The third expandable/contractable portion is continuous from the third bus bar mount portion and allowed to be expanded and contracted in a direction to be closer to and farther away from the second bus bar mount portion. | 2022-01-20 |
20220021084 | BATTERY AND MANUFACTURING METHOD OF BATTERY - The invention relates to the technical field of batteries, and provides a battery and a manufacturing method of battery. The battery includes a main body portion and a tab. The tab is arranged on the main body portion. The tab includes a first welding mark and a second welding mark. The second welding mark covers at least a part of the first welding mark. By forming the first welding mark and the second welding mark on the tab, and the second welding mark covers at least part of the first welding mark, that is, when the tab is welded with the cover element, the tab is welded twice. | 2022-01-20 |
20220021085 | SECONDARY BATTERY - Provided is a secondary battery, comprising an electrode assembly, a packaging bag, and electrode leads. The electrode assembly is accommodated in the packaging bag and comprises a first electrode member, a second electrode member and a separator. The separator separates the first electrode member from the second electrode member. The first electrode member comprises an insulating substrate, a conductive layer, an active material layer and a conductive structure. The conductive layer is provided on the surface of the insulating substrate, and the conductive layer is provided with a first portion and a second portion. The first portion is coated with the active material layer. The second portion is not coated with the active material layer. The conductive structure is welded to the second portion to form a first welding area. The electrode leads are connected to the conductive structure and extend to the outside of the packaging bag. | 2022-01-20 |
20220021086 | PRISMATIC SECONDARY BATTERY AND ASSEMBLED BATTERY USING THE SAME - A flat-shaped winding electrode body in which a positive electrode plate and a negative electrode plate are wound with a separator interposed therebetween includes a positive electrode tab portion and a negative electrode tab portion at one end in a direction in which a winding axis of the winding electrode body extends. Two pieces of the flat-shaped winding electrode body are housed in a prismatic outer body so that the winding axis of each piece is disposed in a direction perpendicular to a sealing plate, and the positive electrode tab portion and the negative electrode tab portion are located on one end of the winding electrode body closer to the sealing plate than the other end. | 2022-01-20 |
20220021087 | BATTERY AND ELECTRIC DEVICE CONTAINING SAME - A battery, including a battery cell and a housing assembly accommodating the battery cell. The battery cell includes a first tab. The housing assembly includes a first housing body and a second housing body. The first housing body and the second housing body define an accommodation space to accommodate the battery cell. The first housing body and/or the second housing body include an installation portion provided with a via hole. A conductive member is disposed on an inner surface or an outer surface of the housing assembly and electrically connected to the first tab. In a through direction of the via hole, a projection of the conductive member is at least partially located in the via hole. The conductive member can avoid occupying internal space of the housing assembly, and increase the energy density of the battery. An electric device containing the battery is provided. | 2022-01-20 |
20220021088 | CONNECTION POLE FOR AN ACCUMULATOR AND ACCUMULATOR HOUSING - Disclosed is a connection pole for a rechargeable battery. The connection pole has a connection region for securing a pole terminal to the connection pole, and a securing region for securing the connection pole to a housing part of the rechargeable battery. The connection region is in particular of circular or substantially circular form at least at its end facing the securing region, wherein a circumferential region is provided in an end region, which faces the connection region, of the securing region, which circumferential region at least substantially has a ring shape and, for the purpose of preventing rotation of the connection pole, has on its outer circumference a tooth system projecting radially from the circumferential region. Here, the diameter of the substantially ring-shaped circumferential region is consistently smaller than the diameter of that end of the connection region which faces the securing region. | 2022-01-20 |
20220021089 | Lithium Ion Battery and Method for Assessing Deterioration of Lithium Ion Battery - A lithium ion battery including a cell formed by sequentially stacking a positive current collector, a positive active material layer, a separator, a negative active material layer, and a negative current collector, the lithium ion battery being characterized by including a frame member disposed between the positive current collector and the negative current collector to seal the positive active material layer, the separator, and the negative active material layer, the frame member having, disposed therein, an electronic component for detecting an internal condition of the cell. | 2022-01-20 |
20220021090 | BATTERY PACK WITH ENERGY DRAIN RESISTOR FOR PREVENTING FIRE PROPAGATION - A battery pack includes a plurality of battery modules arranged along at least one direction, a resistor connected to an abnormal battery module that operates abnormally among the battery modules to absorb energy, an event detector provided to detect the abnormal battery module, a switch to connect or disconnect each of the battery modules to/from the resistor to selectively form a closed circuit, and a controller to receive information from the event detector and control the switch to form a current path between the abnormal battery module and the resistor. | 2022-01-20 |