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BATTERY MODULE AND BATTERY PACK

Resumen de: US2025309429A1

A battery module and a battery pack are provided. The battery pack includes a mounting frame, a battery cell assembly, and a connecting assembly. The battery cell assembly includes two battery cell groups distributed inside the mounting frame along a first direction. Each of the two battery cell groups includes a plurality of battery cell units distributed along a second direction. Each of the battery cell units includes two battery cells distributed along the second direction. Each of the battery cells includes a first pole post and a second pole post distributed along the first direction. First pole posts of adjacent two of the battery cells distributed along the first direction are connected by a corresponding one of first connecting members. Second pole posts of the two battery cells of each of the battery cell units are connected by a corresponding one of second connecting members.

ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE

Resumen de: US2025309423A1

An electrochemical device includes a battery cell, a packaging bag, a first adhesive component, and a second adhesive component. The battery cell includes a curved lateral edge. The packaging bag includes a main portion and a seal edge portion. The battery cell is disposed in the main portion. The main portion includes a first curved surface. The seal edge portion includes a first end and a second end disposed opposite to each other. The first end is connected to the main portion. The second end is disposed on an outer side of the first curved surface. The first adhesive component is disposed between the seal edge portion and a lateral edge of the main portion. The second adhesive component is disposed at the second end. The second adhesive component covers the second end, and is bonded to an outer side of the first curved surface.

HIGH VOLTAGE MANIFOLD FOR MULTIPLE CIRCUITS WITH INDIVIDUAL FUSES

Resumen de: US2025309428A1

A high voltage manifold assembly that connects a high voltage battery system to an electrified powertrain for an electrified vehicle is provided. The high voltage manifold assembly includes a battery disconnect unit (BDU), an electrical manifold and a single set of busbars. The BDU is configured to selectively disconnect the high voltage battery from the electrified powertrain. The electrical manifold has a plurality of fuses disposed therein, the plurality of fuses electrically connected to a respective plurality of connectors. The single set of busbars exclusively electrically couple the BDU and the electrical manifold.

FLOW BATTERY

Resumen de: AU2024374499A1

Provided in the present application is a flow battery. In the flow battery, the opposite sides of any adjacent frames are provided with a main engagement protruding portion, a main engagement recessed portion, a first electrolyte inlet channel, a first electrolyte outlet channel, a second electrolyte inlet channel and a second electrolyte outlet channel, wherein the main engagement protruding portion engages with the main engagement recessed portion to form a main sealing engagement path; the first electrolyte inlet channel, a first cavity and the first electrolyte outlet channel are in communication with one another; the second electrolyte inlet channel, a second cavity and the second electrolyte outlet channel are in communication with one another; and at least one of the first electrolyte inlet channel, the first electrolyte outlet channel, the second electrolyte inlet channel and the second electrolyte outlet channel is separated by means of the main sealing engagement path. Between adjacent frames, at least one of the first electrolyte inlet channel, the first electrolyte outlet channel, the second electrolyte inlet channel and the second electrolyte outlet channel is separated by means of the main sealing engagement path, thereby providing advantages such as simple production processes, low production costs and good sealing effects.

CONTAINER MODULE

Resumen de: AU2024336387A1

A container module is disclosed. A container module according to one embodiment of the present invention comprises: a base frame having a square shape; a corner column extending in a vertical direction and connected to a corner portion of the base frame; a bracket coupled to the corner column and extending in a forward-rearward direction; and a battery pack installed on the bracket.

A RECHARGEABLE LITHIUM METAL CELL

Resumen de: AU2024258726A1

The invention provides a rechargeable lithium metal cell, comprising: an anode comprising lithium metal; a cathode comprising a high-voltage cathode material; and a plurality of lithium-conductive layers interposed between the anode and the cathode, the lithium-conductive layers comprising a solid polymeric anolyte layer adjacent the anode and one or more further electrolyte layers which space apart the polymeric anolyte layer from the cathode, wherein the solid polymeric anolyte layer comprises (i) a block copolymer comprising at least one hydrophobic non-ionic block and at least one ionic block, and (ii) lithium salt, and wherein the solid polymeric anolyte layer has at least two glass transition temperature (Tg) values.

METHOD OF MANUFACTURING SOLID-STATE BATTERY

Resumen de: US2025309271A1

To provide a method of manufacturing a solid-state battery capable of improving the strength of a solid electrolyte layer and suppressing the deterioration of battery performance. A method of manufacturing a solid-state battery including a positive electrode layer, a solid electrolyte layer, and a negative electrode layer. The solid electrolyte layer includes a solid electrolyte and a filling material. The filling material includes an easily meltable material having a melting point or a melting temperature of less than 150° C. The method includes determining whether or not a crack has occurred in the solid electrolyte layer, and heating the solid-state battery when it is determined that a crack has occurred in the solid electrolyte layer.

LITHIUM MANGANESE IRON PHOSPHATE CATHODE MATERIAL, PREPARATION METHOD THEREFOR, AND LITHIUM-ION BATTERY THEREOF

Resumen de: US2025309264A1

The present disclosure relates to the field of lithium-ion batteries, and discloses a lithium manganese iron phosphate cathode material, a preparation method therefor, and a lithium-ion battery thereof. A microcrystalline size Dx at (020) characteristic peak of the cathode material measured by XRD and an individual particle size Ds of the cathode material measured by SEM satisfy: 2.0≤Ds/Dx≤4.0. The lithium manganese iron phosphate cathode material can solve the technical problems associated with existing lithium manganese iron phosphate materials, such as poor kinetic diffusion capability and low high-rate charge/discharge performance.

ALKALINE ELECTROCHEMICAL CELL WITH IMPROVED ANODE AND SEPARATOR COMPONENTS

Resumen de: US2025309239A1

An alkaline electrochemical cell includes a cathode, an anode which includes an anode active material, and a non-conductive separator disposed between the cathode and the anode, wherein from about 20% to about 50% by weight of the anode active material relative to a total amount of anode active material has a particle size of less than about 75 μm, and wherein the separator includes a unitary, cylindrical configuration having an open end, a side wall, and integrally formed closed end disposed distally to the open end.

POSITIVE ELECTRODE AND SOLID-STATE BATTERY

Resumen de: US2025309262A1

A positive electrode including: a positive electrode current collector; and a positive electrode active material layer on the positive electrode current collector. The positive electrode active material layer includes: a first positive electrode active material region on the positive electrode current collector, and includes first positive electrode active material particles and a solid-state electrolyte; and a second positive electrode active material region on a side of the first positive electrode active material region opposite to the positive electrode current collector, and includes second positive electrode active material particles and the solid-state electrolyte. A volume ratio between the first positive electrode active material particles and the solid-state electrolyte in the first positive electrode active material region is within a range from 6:4 to 8:2, both inclusive. A median diameter of the second positive electrode active material particles is greater than a median diameter of the first positive electrode active material particles.

BINDERS FOR ELECTRODES

Resumen de: US2025309268A1

A lithium-ion battery component in presented. The lithium-ion battery component has an electrode with a current collector and an electrode sheet laminated thereon including conducting agents and a polar cross-linkable co-polymeric binder of butadiene isomers and acrylonitrile mechanically binding the conducting agents in a sterically stabilized dispersion configured to permit volume expansion of the electrode sheet during charge of the electrode and facilitate volume contraction of the electrode sheet during discharge.

BATTERY PACK

Resumen de: US2025309460A1

A battery pack is equipped with a battery cell group in which a plurality of battery cells are arranged, and the battery pack includes: a duct provided to extend along the battery cell group; and a bottom-surface part of the duct that faces the battery cell group and is combined with the duct to constitute a flow path for guiding a gas discharged from at least one of the plurality of battery cells, wherein the duct is pressed against the battery cell group via the bottom-surface part.

BATTERY ARRAY VENT GAS MANAGEMENT

Resumen de: US2025309459A1

Vent management systems are provided for traction battery packs. A battery array of the traction battery pack may be configured to establish a dedicated vent flow gas path for expelling battery vent byproducts from the traction battery pack during a battery thermal event. The vent flow gas path may be established by a cover and a pair of insulation bars of the battery array. In some implementations, the battery array may further include an insulation shield for insulating certain battery cell surfaces from vent gas flow during the battery thermal event.

TRACTION BATTERY INSULATOR ASSEMBLY WITH ENCAPSULATED STRUCTURAL BODY

Resumen de: US2025309456A1

A traction battery assembly includes a plurality of battery cells arranged in a linear array, a substrate supporting the array, and an insulator assembly. The insulator assembly has outer compressible layers, at least one thermal insulation layer, and a metal layer. The metal layer includes a metal plate encapsulated in a dielectric material such that all surfaces of the metal plate are covered by the dielectric material, wherein the layers are secured to each other to form a unitary stack with the metal layer being disposed against the at least one thermal insulation layer and with the metal layer, the at least one thermal insulation layer is disposed between the outer layers, and the insulator assembly is disposed between an adjacent pair of the battery cells and is received on the substrate such that a portion of the dielectric material is between the substrate and the metal plate.

BATTERY AND POWER CONSUMING APPARATUS

Resumen de: US2025309455A1

A battery includes: a frame; a plurality of battery cells, where the plurality of battery cells are all disposed in the frame, and the plurality of battery cells are stacked in a first direction; and a buffer structure, where the buffer structure is disposed between at least two adjacent battery cells and/or between an outermost battery cell and the frame in the first direction.

MULTI-LAYER STACK CURRENT COLLECTOR ASSEMBLY FOR BATTERY APPLICATIONS

Resumen de: US2025309486A1

A current collector assembly for battery systems may include a first conductive layer with a first plurality of tabs and a second conductive layer with a second plurality of tabs, both configured to connect to battery cells in a row. An insulating layer may separate the conductive layers, which may be vertically stacked with staggered tabs. The assembly may include elongated bars or repeating conductive islands to enhance scalability and efficiency. Integrated into a battery subassembly, it supports series and parallel connections to optimize voltage and energy capacity. The design may affect electrical performance, thermal management, or high-density battery pack configurations.

CCS ASSEMBLY AND BATTERY PACK

Resumen de: US2025309491A1

A CCS assembly (100) and a battery pack (1000) are provided. The CCS assembly (100) includes a mounting bracket (1), a busbar group, a plurality of wire harness fixing portions (10) and a wire harness (4). The busbar group is arranged on the mounting bracket (1), where the busbar group includes a plurality of busbars (2) arranged at intervals. The plurality of wire harness fixing portions (10) are arranged on the mounting bracket (1), where in a width direction of the mounting bracket (1), the wire harness fixing portion (10) is arranged beside an area between two adjacent busbars (2). The wire harness (4) is fixed on the mounting bracket (1) through the wire harness fixing portions (10).

SECONDARY BATTERY AND ELECTRONIC APPARATUS

Resumen de: US2025309424A1

A secondary battery includes an electrode assembly, a packaging bag, and a first bonding member. The electrode assembly includes a positive electrode plate, a separator, and a negative electrode plate that are arranged in a winding manner. An end portion of the positive electrode plate and an end portion of the separator extend beyond an end portion of the negative electrode plate, and a first uncoated foil zone is provided at a portion at which the positive electrode plate extends beyond the negative electrode plate. An outermost circle of a first straight segment includes one layer of a first uncoated foil zone. An inner circle of the first straight segment includes the positive electrode plate close to the first uncoated foil zone and at least one layer of the separator located between the first uncoated foil zone and the positive electrode plate.

EXTERIOR MATERIAL FOR POWER STORAGE DEVICE AND POWER STORAGE DEVICE

Resumen de: US2025309417A1

A packaging material for a power storage device includes at least a substrate layer, a barrier layer, an adhesive layer, and a sealant layer in this order. In the packaging material, at least either of the adhesive layer and the sealant layer includes a filler-containing layer that contains a filler containing layered clay minerals. The filler-containing layer may be obtained using a resin composition containing a resin and a filler. Of the adhesive layer and the sealant layer, the adhesive layer may include the filler-containing layer, and the resin in the resin composition may comprise a modified polyolefin resin.

BATTERY, BATTERY MANUFACTURING DEVICE AND BATTERY MANUFACTURING METHOD

Resumen de: US2025309416A1

An all solid battery cell includes an electrode laminate, an exterior body, and a bent portion. The bent portion includes a first extension portion, a second extension portion folded from a tip portion of the first extension portion, and a third extension portion folded from a tip portion of the second extension portion. A length between the tip portion of the first extension portion and the tip portion of the second extension portion is greater than a thickness of the electrode laminate.

BATTERY AND LASER WELDING SYSTEM

Resumen de: US2025309420A1

A battery includes a housing with an opening, and a cover plate. The cover plate has an end face side facing the opening and an outer periphery connected to an opening periphery of the housing. A part of a peripheral section of the outer periphery has a first lateral welding zone. A part of a peripheral section of the opening periphery has a second lateral welding zone. At least one of the first lateral welding zone and the second lateral welding zone is formed with a weld seam shape control structure. The first lateral welding zone and the second lateral welding zone are welded together via a weld seam. The weld seam shape control structure is configured to control shaping of the weld seam so that a maximum lateral outer dimension of the weld seam does not exceed a maximum lateral outer dimension of a corresponding area before the welding.

SECONDARY BATTERY PACKAGING FILM, SECONDARY BATTERY, AND ELECTRIC APPARATUS

Resumen de: US2025309415A1

A secondary battery packaging film includes a composite layer, a metal layer, and a protective layer. The metal layer is disposed on a surface of the composite layer, and the protective layer is disposed on a side of the metal layer facing away from the composite layer. The composite layer includes a first insulation layer and a second insulation layer, along a thickness direction of the composite layer, the second insulation layer is located between the metal layer and the first insulation layer. A melting point of the second insulation layer is greater than or equal to 250° C., and a thickness of the second insulation layer is greater than or equal to 2 μm. A melting point of the first insulation layer is less than or equal to 200° C.

ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRONIC DEVICE

Resumen de: US2025309277A1

An electrode plate includes a current collector and an active material layer that are stacked. The electrode plate is provided with N first regions. The active material layer in each first region is provided with a groove. An (S+1)th first region is closer to a center of the electrode plate than an Sth first region. A depth of the groove located in the Sth first region is HS, and a depth of the groove located in the (S+1)th first region is HS+1, satisfying: HS<HS+1, where N is a positive integer greater than or equal to 2, and S is a positive integer greater than or equal to 1 and less than N. The depths of the grooves in a plurality of first regions of the electrode plate in this application change in a gradient from the periphery to the center of the electrode plate.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY, METHOD FOR MANUFACTURING THE SAME, AND LITHIUM-ION SECONDARY BATTERY USING THE SAME

Resumen de: US2025309252A1

A method for manufacturing a positive electrode active material for a lithium-ion secondary battery according to one embodiment of the present invention comprises a step of performing a hydrothermal treatment on a NaMnTi-containing oxide in a lithium aqueous solution, wherein the NaMnTi-containing oxide contains sodium, manganese, and titanium, has a tunnel type structure, and has an average particle diameter in the range of 0.50 μm or more and 3.00 μm or less.

POSITIVE ELECTRODE PLATE AND PREPARATION METHOD THEREFOR, AS WELL AS SECONDARY BATTERY, AND ELECTRICAL APPARATUS

Nº publicación: US2025309263A1 02/10/2025

Solicitante:

CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Resumen de: US2025309263A1

The present application provides a positive electrode plate and a preparation method therefor, as well as a secondary battery, and an electrical apparatus. The positive electrode plate of the present application has a higher compacted density.