Absstract of: US2025183498A1
An electrode plate, an electrode assembly, a battery cell, a battery, and an electrical apparatus are described. The electrode plate includes a current collector and an active material layer, the current collector includes a coating region, a tab region and a buffer region located between the coating region and the tab region, wherein the coating region, the tab region and the buffer region are arranged side by side in a first direction, the current collector includes a plurality of tab portions arranged side by side in a second direction in the tab region, and the first direction intersects the second direction; wherein the current collector includes a buffer portion in the buffer region, the buffer portion extends in the second direction and is connected with the plurality of tab portions, and the buffer portion is configured to absorb bending stress of the plurality of tab portions.
Absstract of: US2025183501A1
An apparatus for injecting an electrolyte into a can of which an upper side is opened and in which a beading part is molded to be spaced a predetermined distance from the uppermost end and protrude to the inside along a circumference. The apparatus for injecting the electrolyte may include: a nozzle configured to inject the electrolyte into the can; and a sealing member that is provided in the nozzle and is in close contact with the beading part when the nozzle injects the electrolyte into the can. A sealing groove that is in close contact with the beading part and has a concavely recessed shape may be provided in the sealing member.
Absstract of: US2025183500A1
A battery module includes a bus bar configured to electrically connect a plurality of battery cells to each other, a holder bus bar configured to fix the bus bar, and a voltage measurement circuit portion configured to measure a voltage of each of the plurality of battery cells, and the voltage measurement circuit portion is integrally formed with the holder bus bar.
Absstract of: US2025183491A1
The present disclosure relates to a battery module comprising: a plurality of battery cells each including an electrode tab; and a bus bar connected to the electrode tab to electrically connect the plurality of battery cells to each other. The bus bar includes a plate having a plurality of holes. The electrode tab of each of the battery cells is inserted into at least a part of the plurality of holes of the plate. The electrode tab inserted into the hole and the plate are coupled to each other by a welding bead, and the welding bead has a width and a height defined by Equations 1 and 2, respectively.
Absstract of: US2025183492A1
A battery module includes a cell stack including a plurality of battery cells stacked in a first direction; a module case configured to accommodate the cell stack; a bus bar assembly including a bus bar terminal and a bus bar frame configured such that the bus bar terminal is seated bus bar frame, the bus bar assembly being configured to electrically connect the plurality of battery cells; and a cover member extending from one end of the bus bar frame toward the cell stack so as to cover at least a portion of the cell stack.
Absstract of: US2025183488A1
The present disclosure provides an electrochemical storage device comprising a plurality of electrochemical cells and a plurality of harnesses which are configured to hold a plurality of wires spaced apart from another wire and/or an electrochemical cell. The present disclosure further provides an electrochemical storage device comprising a plurality of electrochemical cells and a set of at least two metal plates coupled to an enjoining stack of non-planar metal sheets.
Absstract of: US2025183415A1
A traction battery pack includes an enclosure assembly providing an interior and at least one cell stack housed within the interior. The at least one cell stack includes a plurality of battery cells. A first coolant manages thermal energy within the interior, and a second coolant that manages thermal energy within the interior. The second coolant is a different type of coolant than the first coolant.
Absstract of: US2025183376A1
The present invention relates to a jelly roll-type electrode assembly, a secondary battery, a battery pack, and a vehicle, and specifically to: a jelly roll-type electrode assembly comprising a separator overlap part; a cylindrical secondary battery; a battery pack; and a vehicle.
Absstract of: US2025183372A1
An electrolyte includes a compound of Formula I and an additive B, and the additive B includes at least one of LiPF2O2, lithium bis(oxalato)borate, lithium difluoro(oxalato) borate, lithium bis(fluorosulfonyl)imide or lithium bis(trifluoromethanesulfonyl)imide.
Absstract of: US2025183358A1
Provided are an inorganic solid electrolyte-containing composition containing an inorganic solid electrolyte, a polymer binder, a compound, and a dispersion medium, in which the inorganic solid electrolyte-containing composition satisfies Conditions (1) to (3); a sheet for an all-solid state secondary battery and an all-solid state secondary battery, which are formed of the inorganic solid electrolyte-containing composition; and manufacturing methods for a sheet for an all-solid state secondary battery and an all-solid state secondary battery.Condition (1): a mass average molecular weight of polymer constituting polymer binder is 2,000 or moreCondition (2): the compound has at least one specific functional groupCondition (3): a molecular weight of the compound is less than 2.0×103, and the compound is dissolved in the dispersion medium.
Absstract of: US2025183412A1
Battery arrays are provided for traction battery packs. An exemplary battery array may include one or more internal compartments. Each compartment may contain a non-conductive coolant for mitigating or even preventing cell-to-cell thermal propagation. An air gap of the compartment may provide a venting path for venting battery vent byproducts during a battery thermal event.
Absstract of: US2025183328A1
A method for comminuting spent, catalyst-coated PEM membranes from PEM fuel cells and/or PEM electrolysis cells by means of a cutting mill.
Absstract of: US2025183435A1
Disclosed herein relates to a battery pack, including: a battery module; and a pack case accommodating the battery module; wherein the pack case includes: a main separation wall; a base plate coupled to the main separation wall and including a module area in which the battery module is disposed; and a side wall coupled along a perimeter of the base plate coupled to the main separation wall, and wherein the main separation wall includes an insulating material.
Absstract of: US2025183416A1
A busbar heating apparatus, including a plurality of heating parts, each of the plurality of heating parts including a heating material heated by electric energy and being in contact with a plurality of busbars of a battery module to heat the plurality of busbars, and one or more connecting parts electrically connecting the plurality of heating parts.
Absstract of: US2025179895A1
A logging system and method for operating a logging system are typically used in a wellbore. The logging system may include a logging instrument including a rechargeable energy storage and logging electronics, and a cable configured to trickle charge the rechargeable energy storage. The rechargeable energy storage may include an ultracapacitor. The rechargeable energy storage may be trickle charged through the cable from a remote power source.
Absstract of: US2025183395A1
A battery module includes battery cells, busbars electrically connecting the battery cells, a circuit board including a temperature sensor assembly, and electrically connected to the busbars, and a busbar holder for supporting the busbars, defining a receiving hole for receiving the temperature sensor assembly, and including a first fastening portion adjacent to the receiving hole, wherein the temperature sensor assembly includes a temperature sensor configured to measure a temperature of at least one of the battery cells, a temperature sensor cover including a second fastening portion configured to be fastened to the first fastening portion, and an elastic member between the circuit board and the temperature sensor cover.
Absstract of: US2025183413A1
A battery rack including a plurality of battery modules, each battery module of the plurality of battery modules having at least one battery cell, a rack case configured to accommodate the plurality of battery modules, a fire extinguishing water supplier disposed at a rear of the rack case and connected to the plurality of battery modules, and a bracket configured to cover the fire extinguishing water supplier and disposed at the rear of the rack case, the bracket having a pair of sidewalls extending outwardly from the rear of the rack case.
Absstract of: US2025183410A1
Provided is a battery pack cooling device according to example embodiments of the present technology. The battery pack cooling device includes a heat sink, and a pipe assembly coupled to the heat sink. The pipe assembly includes a main pipe, first and second branch pipes, a plurality of branched connectors, a plurality of directional connectors, a plurality of connection pipes, and cooling ports.
Absstract of: US2025183414A1
Aspects of the disclosure relate to thermal management aspects of a battery pack. A casted front member of a battery pack enclosure may facilitate cooling of a high voltage distribution box (HVDB) within a cavity of the casted front member. Cooling of other electrical components, such as a busbar can also be provided. Cooling of the HVDB and/or other electrical components external to the battery modules and/or battery cells in a battery pack can facilitate fast charging, vehicle acceleration, component reliability, and/or other advantages.
Absstract of: US2025183487A1
A battery module includes: a battery cell assembly having a plurality of battery cells; a top plate configured to cover an upper side of the battery cell assembly; a bottom plate configured to cover a lower side of the battery cell assembly; a sensing assembly disposed to cover a front side and a rear side of the battery cell assembly; a pair of side plates disposed at side surfaces, respectively, of the battery cell assembly; and a pair of compression pads disposed between the pair of side plates and the battery cell assembly, respectively.
Absstract of: US2025183489A1
An energy storage apparatus according to the present embodiment includes: a stack of energy storage devices; a pair of terminal members sandwiching the stack in a first direction; and a coupling member coupling, with each other, ends of the terminal members, in which the terminal member includes a plate-shaped terminal-member main-body, the terminal-member main-body includes: a first side elongating along a second direction; and a second side elongating along a third direction, the coupling member includes: a coupling-member main-body adjacent to the stack; a first piece elongating along the stack from an end in the third direction of the coupling-member main-body; a second piece elongating along the terminal-member main-body, from an end in the first direction of the coupling-member main-body; and a coupling portion coupling the first piece and the second piece, and each of a first edge in which the first side is linked to the second side in the terminal-member main-body and a second edge including respective edges of the coupling portion and the second piece includes an opposing portion opposing in a manner to intersect, and an end of at least one of the terminal member and the coupling portion, which includes the opposing portion, is curved with respect to a portion adjacent to that end, so as to be away from an opposing portion of the counterpart.
Absstract of: US2025183490A1
Embodiments of the present application provide a connecting terminal, a battery, and an electrical device. The connecting terminal is used for connecting a sampling circuit and a busbar, including: a first connecting portion including a snap-fit structure, the snap-fit structure being used for snap-fit connection with the busbar; and a second connecting portion connected to the first connecting portion, the second connecting portion being electrically connected to the sampling circuit.
Absstract of: US2025183483A1
A method of manufacturing a laminate for a battery is provided that includes forming an insulating layer by applying a liquid composition onto a first electrode, and placing a second electrode on the first electrode formed with the insulating layer. The forming and the placing are implemented by a conveyance series.
Absstract of: US2025184649A1
The present disclosure provides a charging case for two earphones. Each of the two earphones may include a core module and a hook structure connected to the core module. The charging case may include a lower housing assembly, the lower housing assembly may be disposed with two profiling grooves, each of the two profiling grooves may be configured to accommodate one of the two earphones, and each of the two profiling grooves may include a first profiling groove region corresponding to the core module and a second profiling groove region corresponding to the hook structure. The second profiling groove regions of the two profiling grooves may be disposed to intersect with each other, such that when the two profiling grooves accommodate the two earphones, respectively, two hook structures of the two earphones overlap with each other.
Nº publicación: US2025183431A1 05/06/2025
Applicant:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD
Absstract of: US2025183431A1
A hybrid battery cell includes a first independent drive cell, a second independent drive cell, and a cell housing. The first independent drive cell has a first positive electrode tab and a first negative electrode tab. The second independent drive cell is independently driven from the first independent drive cell, and includes a second positive electrode tab and a second negative electrode. The cell housing exposes the first and second positive electrode tabs and the first and second negative electrode tabs, respectively, to the outside, and surrounds the first independent drive cell and the second independent drive cell.