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BUSBAR AND BATTERY MODULE

Resumen de: US2025279550A1

The application provides a busbar and a battery module, which relate to the technical field of battery. The busbar includes a bar part and a plurality of conductors arranged at intervals. Each of the plurality of conductors includes a fuse part and a conducting part. The fuse part has a melting point lower than a melting point of the bus bar and lower than a melting point of the conducting part. Two ends of the fuse part are respectively connected to the conducting part and the bar part. The conducting part is configured to be connected to a positive electrode or a negative electrode of a battery cell.

COPPER FOIL AND CURRENT COLLECTOR FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY

Resumen de: US2025279435A1

Provided is an copper foil for lithium ion secondary batteries having two opposite sides, wherein the copper foil has a texture coefficient of crystal plane (220) “TC (220)” of ≥1.36 and a texture coefficient of crystal plane (311) “TC (311)” of ≥0.79. The present disclosure further provides a current collector for lithium ion secondary batteries and a lithium ion secondary battery including the same.

BATTERY MANAGEMENT SYSTEM, BATTERY PACK INCLUDING THE SAME, AND METHOD OF DETECTING CONTACT DEFECT MODULE USING THE SAME

Resumen de: US2025279488A1

Provided are a battery management system and a battery pack including the same. The battery management system includes a plurality of slave managers provided to correspond to a plurality of battery modules, and configured to uniformly adjust cell voltages of a plurality of battery cells of respective battery modules, a master manager configured to detect a battery module having a contact defect therein among the battery modules as a defective module using a voltage deviation that is a difference between a maximum value and a minimum value of the cell voltages, and a data transmitter configured to electrically connect the master manager and the slave managers to enable data exchange.

FREE-STANDING SULFIDE SOLID-STATE ELECTROLYTE MEMBRANES

Resumen de: US2025279468A1

A solid-state electrolyte is provided. The solid-state electrolyte includes a ceramic and a polymer binder. The ceramic includes a sulfide-containing electrolyte, and the polymer binder has a molecular weight of from 50 to 2000 kg/mol. A solid-state battery cell is also provided. The solid-state battery cell includes a casing and a cathode and an anode disposed within the casing. The solid-state battery cell further includes a current collector and a solid-state electrolyte membrane separating the cathode and the anode. The solid-state electrolyte includes a ceramic and a polymer binder disposed within the ceramic. The ceramic includes sulfide-containing electrolyte and the polymer binder has a molecular weight of from 50 to 2000 kg/mol. A method of manufacturing a solid-state electrolyte membrane is further provided.

BATTERY PACK

Resumen de: US2025279501A1

A battery pack may include battery cells; a cooling plate on one side of the battery cells; and an insulation member having an insulation part, a pair of first heat transfer parts on both sides of the insulation part, and a first layer in at least a portion of the first heat transfer part and having a higher thermal conductivity than the insulation part. A temperature deviation between top and bottom portions of an electrode plate inside a cell can be reduced, thereby improving the cooling performance of the cell. In addition, the lifespan of a cell can be extended by improving cooling performance, and the safety of a battery pack can be improved by preventing events such as deterioration and heat generation.

IMMERSION COOLING SYSTEMS AND METHODS FOR TRACTION BATTERY PACK SYSTEMS

Resumen de: US2025279505A1

Immersion cooling systems are provided for managing thermal energy levels within a traction battery pack system. An exemplary immersion cooling system may include a flow control valve that is configured to control a flow of a cooling fluid (e.g., a dielectric fluid) through either a primary closed loop cooling circuit or a secondary closed loop cooling circuit of the immersion cooling system for thermally managing a battery module of a battery pack assembly. A control module may control a position of the flow control valve based at least on a temperature of the cooling fluid exiting the battery pack assembly. When the flow control valve directs the cooling fluid through the secondary closed loop cooling circuit, a portion of the primary closed loop cooling circuit is reserved for providing a dedicated gas exit flow path for expelling battery vent byproducts from the battery pack assembly.

THERMALLY CONDUCTIVE COMPOSITION AND THERMALLY CONDUCTIVE MEMBER

Resumen de: US2025277112A1

The thermally conductive composition of the present invention includes a liquid polymer, a thermally conductive filler and a structural viscosity imparting agent, wherein the thermally conductive composition has a viscosity ratio (η1/η3) between a viscosity η1 measured by a rheometer under conditions of a measurement temperature of 25° C. and a shear rate of 0.00252 (1/s) and a viscosity η3 measured by a rheometer under conditions of a measurement temperature of 25° C. and a shear rate of 0.05432 (1/s) of more than 10. The present invention can provide a thermally conductive composition in which sedimentation of the thermally conductive filler is suppressed in storage and which has excellent handling properties in use.

ELECTRIC VEHICLE WITH AN ELECTRIC POWERPACK ARRANGEMENT

Resumen de: US2025276756A1

A straddle seat electric vehicle including an electric motor and an electric powerpack including a battery pack including a battery housing including a housing body, a cooling channel extending generally vertically through a center portion of the housing body, two covers selectively connected to the housing body; a plurality of cylindrical battery cells disposed in a two chambers defined by the housing laterally between the cooling channel and the first cover, each battery cell of the first plurality of battery cells extending generally orthogonally to the cooling channel and the first cover; one or more current collectors electrically connected to the first plurality of battery cells, the covers enclosing the current collectors and outer ends of the battery cells being electrically insulated from the at least one first current collector.

POLYMER AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE, SECONDARY BATTERY, AND ELECTRICAL DEVICE

Resumen de: US2025277075A1

The present application provides a polymer and a preparation method therefor, a positive electrode, a secondary battery, and an electrical device. The polymer includes a first polymer. The first polymer includes a structural unit represented by formula (1), where in formula (1), R1, R12, and R13 each independently include a hydrogen atom or a substituted or unsubstituted C1-C5 alkyl group; and when substituted, the substituent includes a halogen atom.

POLYMER AND PREPARATION METHOD THEREOF, SEPARATOR, ELECTRODE PLATE, BATTERY, AND ELECTRICAL DEVICE

Resumen de: US2025277100A1

A polymer includes an organic polymer and an inorganic compound. Polymerization monomers of the organic polymer include a first monomer and a second monomer. A structural formula of the first monomer includes:where, R1 includes a hydrogen atom or a C1 to C6 alkyl group; R2 includes a hydrogen atom, a substituted or unsubstituted C1 to C21 alkyl group, a C3 to C6 cycloalkyl group, and a substituted or unsubstituted isobornyl group; and a substituent in the substituted C1 to C21 alkyl group includes a hydroxyl group; and the second monomer includes an alkenyl group.

POLYURETHANE COMPOSITE, LAMINATED PRODUCT COMPRISING THE POLYURETHANE COMPOSITE AND PROCESS FOR PRODUCING THE SAME

Resumen de: US2025277093A1

Disclosed herein are a novel polyurethane (PU) composite, a process for producing the PU composite and a covering article containing the PU composite. The PU composite includes 35 to 75 wt % reinforced fiber and 25 to 65 wt % polyurethane foam, based on the total weight of the PU composite, where the reinforced fiber includes 75 to 100 wt % of the reinforced fiber in a continuous phase form and 0 to 25 wt % of the reinforced fiber in a discontinuous phase form, based on the total weight of reinforced fiber. Further disclosed are a laminated product including at least one thermal insulating layer and at least two polyurethane composites arranged on each side of the thermal insulating layer, a process for producing the laminated product and a covering article for battery system containing the laminated product.

BATTERY MANUFACTURING APPARATUS AND BATTERY MANUFACTURING METHOD OF THE SAME

Resumen de: US2025279551A1

A battery manufacturing apparatus for manufacturing a battery assembly including a plurality of battery cells, each having a lead tab portion electrically connected to an outside and protruding outwardly, and a busbar electrically connecting one or more battery cells among the plurality of battery cells of the present disclosure includes a welding wire, at least a portion of which is melted to weld the lead tab portion and the busbar, a supply portion supplying the welding wire to the lead tab portion, a guiding portion contacting the welding wire discharged from the supply portion and moving the welding wire in a direction in which the lead tab portion extends, and a laser irradiation portion irradiating the lead tab portion, the busbar, or the welding wire with a laser.

BUSBAR MODULE INCLUDING CLAMPING AND GUIDING FEATURES

Resumen de: US2025279548A1

A battery pack may include a busbar including a slot. The battery pack may further include a battery cell including a housing and a tab terminal extending from the housing. The tab terminal may be received within the slot such that at least a portion of the tab terminal is positioned on an opposite side of the busbar from the housing. The battery pack may additionally include a busbar frame including a projection. The projection may be received within the slot such that at least a portion of the projection is positioned on the opposite side of the busbar from the housing.

LITHIUM SECONDARY BATTERY AND ELECTRICAL APPARATUS

Resumen de: US2025279431A1

A lithium secondary battery includes a positive electrode plate and a negative electrode plate; the lithium content per unit area on a single side surface of the positive electrode plate is denoted as Wa in g/m2; the lithium content per unit area on a single side surface of the negative electrode plate is denoted as Wc in g/m2; the reversible capacity per unit area on the surface of the side of the negative electrode plate facing towards the positive electrode plate is denoted as Da in mAh/m2; the first lithiation capacity per unit area on the surface of the side of the negative electrode plate facing away from the positive electrode plate is denoted as Ca in mAh/m2; and the lithium secondary battery meets the following conditions:70⁢%≤C⁢1×(Wa+Wc)Da≤90⁢%,and/or,63⁢%≤C⁢1×(Wa+Wc)Ca≤81⁢%,wherein C1 is the theoretical capacity, 3,861 mAh/g, of lithium metal.

TERMINAL CAP ASSEMBLY AND BATTERY MODULE INCLUDING TERMINAL CAP ASSEMBLY

Resumen de: US2025279549A1

A battery module includes a plurality of sub-modules including a first sub-module and a second sub-module respectively including a plurality of battery cells, a first terminal portion electrically connected to the plurality of battery cells of the first sub-module and including one or more electrode terminals including a first electrode terminal, a second terminal portion electrically connected to the plurality of battery cells of the second module and including one or more electrode terminals including a first electrode terminal, and a terminal cap assembly covering the first terminal portion and the second terminal portion and electrically connecting the first terminal portion and the second terminal portion to each other. The terminal cap assembly includes a fuse wire and a protector covering the fuse wire, the first electrode terminal of the first terminal, and the first electrode terminal of the second terminal.

REINFORCING BRACKET FOR BATTERY, BATTERY, AND POWER CONSUMING APPARATUS

Resumen de: US2025279530A1

A battery includes a plurality of battery cells, the reinforcing bracket includes a connecting bracket and a plurality of partition members, the connecting bracket includes a first reinforcing plate, a plurality of avoidance holes that are spaced apart along a first direction are provided on the first reinforcing plate, the plurality of partition members are spaced apart along the first direction on the connecting bracket, and a placement space is defined between the adjacent partition members and the connecting bracket.

Battery Module Including Module Case and Battery Pack Including Battery Module

Resumen de: US2025279529A1

A battery module includes a cell assembly including a plurality of battery cells, and a module case accommodating the cell assembly. The module case includes an accommodation portion including a main plate supporting the cell assembly and a sidewall extending from the main plate, a module cover including an upper plate covering the cell assembly, the upper plate having a first surface oriented in a first direction, a sidewall cover extending from the upper plate, the sidewall cover covering a portion of the sidewall, the sidewall cover having a second surface oriented in a second direction opposite to the first direction, and a guide groove formed in the second surface, and a first bonding portion connecting the second surface of the sidewall cover and the sidewall to each other.

BATTERY AND ELECTRICAL APPARATUS

Resumen de: US2025279502A1

A battery and an electrical apparatus. The battery includes a plurality of rows of battery units and a heat exchange assembly. The plurality of rows of battery units are arranged in a first direction. Each row of battery units comprises a plurality of battery cells arranged in sequence in a second direction. Each battery cell includes a first side wall. The first side wall is the side wall with the largest area. The first direction and the second direction are perpendicular to each other. The heat exchange assembly includes a heat conducting plate. The heat conducting plate extends between adjacent rows of battery units. The heat conducting plate directly faces the first side walls of at least some of the adjacent battery cells of adjacent battery units.

BATTERY ASSEMBLY, VEHICLE, AND BATTERY SWAPPING STATION

Resumen de: US2025279528A1

Provided are a battery assembly, a vehicle, and a battery swapping station. The battery assembly includes a plurality of batteries. Each of the plurality of batteries has a mounting structure. Each of the plurality of batteries is adapted to be disposed at a bottom of a vehicle and detachably connected to the vehicle through the mounting structure, allowing each of the plurality of batteries to be detachably mounted to the vehicle separately.

BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS

Resumen de: US2025279536A1

This application discloses a battery cell, a battery, and an electric apparatus. The battery cell includes a housing and an electrode terminal. The housing includes a wall portion, where the wall portion is provided with an outlet hole. The electrode terminal is disposed at the outlet hole, where the electrode terminal is provided with a weak region, and the weak region is configured to be ruptured when an internal pressure of the housing exceeds a pressure threshold or a temperature exceeds a temperature threshold, allowing interior of the housing to communicate with exterior of the housing.

ELECTROCHEMICAL REACTOR CELL

Resumen de: US2025276918A1

Copper—boron—ferrite (Cu—B—Fe) composites may be prepared and immobilized on graphite electrodes in a silica-based sol-gel, e.g., from rice husks. Different bimetallic loading ratios can produce fast in-situ electrogeneration of reactive oxygen species, H2O2 and ⋅OH, e.g., via droplet flow-assisted heterogeneous electro-Fenton reactor system. Loading ratios of, e.g., 10 to 30 wt. % Fe3+ and 5 to 15% wt. Cu2+, can improve the catalytic activities towards pharmaceutical beta blockers (atenolol and propranolol) degradation in water. Degradation efficiencies of at least 99.9% for both propranolol and atenolol in hospital wastewater were demonstrated. Radicals of ⋅OH in degradation indicate a surface mechanism at inventive cathodes with correlated contributions of iron and copper. Copper and iron can be embedded in porous graphite electrode surface and catalyze the conversion of H2O2 to ⋅OH to enhance the degradation. Inventive cathodes can be stable catalytically after 20 or more cycles under neutral and acidic conditions.

DROPLET FLOW-ASSISTED ELECTRO-FENTON REACTOR SYSTEM

Resumen de: US2025276919A1

Copper-boron-ferrite (Cu—B—Fe) composites may be prepared and immobilized on graphite electrodes in a silica-based sol-gel, e.g., from rice husks. Different bimetallic loading ratios can produce fast in-situ electrogeneration of reactive oxygen species, H2O2 and ·OH, e.g., via droplet flow-assisted heterogeneous electro-Fenton reactor system. Loading ratios of, e.g., 10 to 30 wt. % Fe3+ and 5 to 15% wt. Cu2+, can improve the catalytic activities towards pharmaceutical beta blockers (atenolol and propranolol) degradation in water. Degradation efficiencies of at least 99.9% for both propranolol and atenolol in hospital wastewater were demonstrated. Radicals of ·OH in degradation indicate a surface mechanism at inventive cathodes with correlated contributions of iron and copper. Copper and iron can be embedded in porous graphite electrode surface and catalyze the conversion of H2O2 to ·OH to enhance the degradation. Inventive cathodes can be stable catalytically after 20 or more cycles under neutral and acidic conditions.

HYDROGEN PEROXIDE GENERATION SYSTEM

Resumen de: US2025276920A1

Copper-boron-ferrite (Cu—B—Fe) composites may be prepared and immobilized on graphite electrodes in a silica-based sol-gel, e.g., from rice husks. Different bimetallic loading ratios can produce fast in-situ electrogeneration of reactive oxygen species, H2O2 and ·OH, e.g., via droplet flow-assisted heterogeneous electro-Fenton reactor system. Loading ratios of, e.g., 10 to 30 wt. % Fe3+ and 5 to 15% wt. Cu2+, can improve the catalytic activities towards pharmaceutical beta blockers (atenolol and propranolol) degradation in water. Degradation efficiencies of at least 99.9% for both propranolol and atenolol in hospital wastewater were demonstrated. Radicals of ·OH in degradation indicate a surface mechanism at inventive cathodes with correlated contributions of iron and copper. Copper and iron can be embedded in porous graphite electrode surface and catalyze the conversion of H2O2 to ·OH to enhance the degradation. Inventive cathodes can be stable catalytically after 20 or more cycles under neutral and acidic conditions.

1,1,1,5,5,5-HEXAFLUORO-3-(2,2,2-TRIFLUOROETHOXY)-2-PENTENE AND USES AND PRODUCTION METHOD THEREOF

Resumen de: US2025276948A1

Provided are a novel compound, 1,1,1,5,5,5-hexafluoro-3-(2,2,2-trifluoroethoxy)-2-pentene, and uses thereof and a method for producing this novel compound. According to the present invention, 1,1,1,5,5,5-hexafluoro-3-(2,2,2-trifluoroethoxy)-2-pentene is provided. This novel compound can be produced, for example, by reacting 1,1,1,5,5,5-hexafluoro-3-chloro-2-pentene with 2,2,2-trifluoroethanol in the presence of a base. This novel compound is also useful as an additive in a nonaqueous electrolytic solution for a secondary battery.

SEPARATOR, PREPARATION METHOD THEREFOR, SECONDARY BATTERY, AND ELECTRIC DEVICE

Nº publicación: US2025279547A1 04/09/2025

Solicitante:

CONTEMPORARY AMPEREX TECH HONG KONG LIMITED [CN]
Contemporary Amperex Technology (Hong Kong) Limited

Resumen de: US2025279547A1

A separator is provided, comprising a first porous base film, a second porous base film, and a porous coating positioned between the first and second porous base films. The porous coating includes a binder and filler particles. At least a portion of the filler particles is embedded into the first porous base film and/or the second porous base film to a depth of at least 1 μm. The binder facilitates adhesion between the porous coating and the base films. The embedding of filler particles enhances the bonding strength between the porous coating and the base films, which in turn improves the separator's thermal stability and resistance to nail penetration. These improvements contribute to enhanced safety and reliability of the battery incorporating the separator.