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1704
resultados
Última actualización
20/02/2026 [07:23:00]
Resultados 25 a 50 de 1704
Resumen de: US20260051552A1
The present disclosure relates to a manufacturing method of a secondary battery. A manufacturing method of a secondary battery according to one or more embodiments includes formation-charging an assembled secondary battery cell so that SOC of the assembled secondary battery cell is about 30% or more and about 60% or less, aging the formation-charged secondary battery cell, discharging the secondary battery cell in which the aging is completed, and shipment charging the secondary battery cell so that the SOC of the discharged secondary battery cell becomes about 20% or more and about 30% or less.
Resumen de: US20260051544A1
A lithium secondary battery according to the present disclosure may comprise a positive electrode; a negative electrode; and an electrolyte comprising a lithium salt, an organic solvent, and an additive, wherein the organic solvent may comprise ethylene carbonate (EC) and propylene carbonate (PC), wherein the additive may comprise fluoroethylene carbonate (FEC), and a volume ratio of the propylene carbonate to the ethylene carbonate in the organic solvent may be 0.2 or more and less than 4.
Resumen de: US20260051600A1
This disclosure describes a battery tower design using pouch cell or blade cell batteries to build modular towers and assemble battery units to fit within electrified heavy-duty equipment. The battery units are modular to enable expansion of the battery units horizontally and/or vertically to fit within irregular-shaped compartments originally intended for non-electric powertrain components. The battery towers are modular units with frames for holding battery cells with their width in a vertical direction and stacking the cells vertically along a length of a frame that includes passive and active cooling components.
Resumen de: US20260051602A1
A battery module includes battery cells stacked in a first direction, a pair of end plates disposed on opposite sides of the battery cells in the first direction, and a support strap that presses the pair of end plates inward from outside the pair of end plates in the first direction. The support strap includes a first support strap including a portion disposed on one side of the battery cells in a second direction crossing the first direction and a second support strap including a portion disposed on an opposite side of the battery cells in the second direction, and the first support strap and the second support strap are alternately arranged along the end plates in a third direction crossing the first direction and the second direction.
Resumen de: US20260051603A1
Provided is a battery pack for a secondary battery that can improve efficiency of a manufacturing process of the secondary battery and the performance or structural stability of the battery pack for the secondary battery. The battery pack may include a battery cell that has two end portions along a height direction, a cell holder that accommodates the battery cell therein, a frame part that covers a side surface portion of the cell holder, an adhesive part that is arranged between the cell holder and the frame part, and a rib portion that extends along a periphery of the side surface portion of the cell holder and divides the side surface portion of the cell holder into a first region and a second region spaced apart from each other along the height direction.
Resumen de: US20260051632A1
A secondary battery includes an electrode assembly and a current collector. The electrode assembly includes a plurality of first electrode plate portions and a plurality of second electrode plate portions arranged to define a stack along a thickness dimension of the electrode assembly. The thickness dimension is smaller than a longitudinal dimension of the electrode assembly. Each of the plurality of first electrode plate portions includes a first electrode tab and forms a plurality of first electrode tabs, and each of the plurality of second electrode plate portions includes a second electrode tab and forms a plurality of second electrode tabs. The current collector includes at least a portion located between the plurality of first and second electrode tabs. The plurality of first electrode tabs and the plurality of second electrode tabs are offset from one another along the thickness dimension with the current collector interposed therebetween.
Resumen de: US20260051606A1
A traction battery pack assembly includes an enclosure, and a battery array within an interior of the enclosure. The battery array includes a plurality of battery cells. A thermal barrier of the assembly has a sheet and one or more barrier vent opening plugs that are each disposed within an barrier vent opening of the sheet. The one or more barrier vent opening plugs are spaced from the sheet.
Resumen de: US20260051528A1
A winding rod for an electrode assembly to wind a jelly roll-type electrode assembly, which has a structure in which a positive electrode, a negative electrode, and a separator interposed therebetween are wound in one direction and has a central hole formed at the center, may include: a first winding member inserted into the central hole of the electrode assembly; and a second winding member inserted into the central hole of the electrode assembly such that the separator is interposed between the first winding member and the second winding member, and configured to wind the electrode assembly together with the first winding member, and an asymmetry prevention portion may be formed on at least one of the first winding member and the second winding member to prevent asymmetry of the electrode assembly.
Resumen de: US20260051565A1
A battery pack. The battery pack includes at least one battery module, a liquid cooling plate, the liquid cooling plate, and at least one first limiting member. The liquid cooling plate is arranged on a bottom surface of the at least one battery module. Each of the at least one first limiting member is arranged between the liquid cooling plate and a bottom surface of each of the at least one battery module, so that an adhesive gap with a uniform thickness is defined between the liquid cooling plate and the bottom surface of each of the at least one battery module. A thermal conductive adhesive is applied in the adhesive gap, and the liquid cooling plate is in thermal communication with the at least one battery module via the thermal conductive adhesive.
Resumen de: US20260051525A1
A battery manufacturing process management system according to an embodiment includes a battery cell dummy configured to obtain data corresponding to a battery manufacturing process and a controller configured to control at least one process variable related to the battery manufacturing process based on the data corresponding to the battery manufacturing process that is obtained using the battery cell dummy.
Resumen de: US20260051561A1
The present application relates to a battery cell, a battery, and a power consuming apparatus. The battery cell includes a case, at least one electrode assembly, and a heat conduction structure. The case has a heat exchange case wall, and the heat exchange case wall is configured to conduct heat inside the battery cell to a heat exchange structure located outside the case. The heat conduction structure and all electrode assemblies are accommodated in the case, and the heat conduction structure is arranged between the electrode assembly and the heat exchange case wall in the manner of heat conduction.
Resumen de: US20260051526A1
Proposed is a pitch conversion apparatus for secondary battery cells including a first pick-and-place provided to load/unload a cell into/from a first tray, moved within a first section, and fixed in a pitch state of a first spacing to transfer multiple cells, a second pick-and-place provided to load/unload a cell into/from a second tray, moved within a second section, and fixed in a pitch state of a second spacing to transfer multiple cells, and a buffer part disposed at a position accessible by the first pick-and-place and the second pick-and-place, accommodating multiple cells, and provided to convert a pitch of the accommodated cells.
Resumen de: AU2024329274A1
A device for controlling an energy storage system disclosed in the present document comprises: a communication unit for receiving an external power generation amount and an internal power consumption amount; a user interface unit for receiving a cost function selection command from a user; and a control unit for determining an objective function on the basis of a cost function selected by the user and performing battery control optimization on the basis of the external power generation amount, the internal power consumption amount, and the objective function. The control unit: performs the battery control optimization on the basis of a first point in time; determines a predicted value of battery charging/discharging power on the basis of the battery control optimization performed at the first point in time; determines a predicted section including the predicted value of the battery charging/discharging power; and performs the battery control optimization again on the basis that the actual value of the battery charging/discharging power is outside the range of the predicted section.
Resumen de: AU2025203427A1
AH25(45956807_1):MSD MULTI-MODULE BATTERY SYSTEM TESTING A method, a battery management system, and an article of manufacture for testing a battery system are disclosed. The battery system can include a plurality of battery modules. A test process is performed with respect to the battery system via the battery management system that includes a controller device and a plurality of module interface devices. For each battery module of the plurality of battery modules, a respective module interface device of the plurality of module interface devices is operatively coupled to anode and cathode terminals of that battery module. Each module interface device can include a measurement circuit and a switching circuit. The test process can be used to independently connect, disconnect, and measure various operating conditions of the battery modules and load. MULTI-MODULE BATTERY SYSTEM TESTING A method, a battery management system, and an article of manufacture for testing a battery system are disclosed. The battery system can include a plurality of battery modules. A test process is performed with respect to the battery system via the battery management system that includes a controller device and a plurality of module interface devices. For each battery module of the plurality of battery modules, a respective module interface device of the plurality of module interface devices is operatively coupled to anode and cathode terminals of that battery module. Each module interface device can
Resumen de: AU2024331692A1
A management device for controlling an energy storage device according to an embodiment disclosed in the present document may comprise: a communication circuit for receiving regional information related to the energy storage device and communication information related to the energy storage device; and a controller for diagnosing a communication state between an inverter and a converter on the basis of the regional information and the communication information.
Resumen de: AU2024325219A1
Described are safer coin cells and materials having improved cold formability for making a contact for the coin cell. A titanium-based material can be used that has ≥ 95 wt.% titanium, ≤0.5 wt.% iron, ≤0.5 wt.% oxygen, ≤0.5 wt.% carbon, ≤0.5 wt.% nitrogen, and ≤0.5 wt.% hydrogen. A contact made from such material is resistant to reactions that form hydroxides in contact with bodily fluids, such as after ingestion. The titanium-based material has improved cold formability at room temperature, which reduces or eliminates microcracking during formation of the contact. Reduced or eliminated microcracking reduced or eliminated alkalizing reactions that would otherwise occur with conventional coin cells when in contact with bodily fluids.
Resumen de: US20260051626A1
A secondary battery, a battery cell, and an electronic device are provided. The secondary battery includes a housing including a side wall, an electrode assembly accommodated in the housing, and a current collecting member including a current collecting body and multiple housing connection portions surrounding and connected to an outer periphery of the current collecting body. One end of the side wall is formed with an opening, and one end of the side wall close to the opening includes a rolling groove. The electrode assembly includes a tab facing the opening. The current collecting body includes multiple tab connection portions fixedly connected to the tab. The housing connection portion includes a bent section and a straight section connected to the current collecting body. The bent section is welded to a surface of the rolling groove facing the electrode assembly.
Resumen de: US20260051630A1
A structural member and a preparation method thereof, a battery cell, a battery, and an electric device. The structural member includes a welding region to be welded to a target member. The welding region includes a first portion and a second portion. The second portion has a weaker ability to receive welding energy than the first portion, where the ability to receive welding energy refers to a depth of a weld penetration formed at a welding site.
Resumen de: US20260051622A1
A power storage device including: an electrode body including a positive electrode and a negative electrode being wound with a separator interposed therebetween; and a negative electrode current collector plate joined to the negative electrode disposed at one end in an axial direction of the electrode body. The current collector plate includes a core material joint part extending in a radiation direction of the electrode body, and including a surface facing the negative electrode joined to the negative electrode in the axial direction, and eaves parts formed on both end parts in a circumferential direction of the core material joint part, and extending toward the negative electrode in the axial direction.
Resumen de: US20260051575A1
Disclosed are composite substrates, negative electrodes, and all-solid-state batteries. The composite substrate includes a polymer layer, a first nickel alloy layer on a first surface of the polymer layer, and a second nickel alloy layer on a second surface of the polymer layer. At least one of the first and second nickel alloy layers includes a nickel-iron binary alloy.
Resumen de: US20260051574A1
This application discloses a heat-resistant protective member and a battery. The heat-resistant protective member includes a functional layer, and the functional layer includes a first resin and a filler dispersed in the first resin. In this way, the thermal shock when a battery cell is ignited and exploded can be resisted, and the structural integrity can still be maintained without being broken under the thermal shock, thereby providing effective heat insulation and protection for a battery pack.
Resumen de: US20260051562A1
An electricity storage unit includes a plurality of electricity storage devices arrayed along a first direction and a cooling member in the form of a plate disposed close to the plurality of arrayed electricity storage devices along a second direction intersecting with the first direction. The electricity storage devices each include a housing portion in a rectangular form for accommodating an electricity storage element and a flange portion protruding outward from the housing portion. The cooling member has a plurality of slits through which at least parts of portions of the flange portions of the electricity storage devices protruding along the second direction are disposed. The flange portions disposed through the slits are fixed to the cooling member.
Resumen de: US20260051563A1
A cooling member is a cooling member mounted on a battery cell stack in which a plurality of battery cells are stacked, the cooling member comprising: an upper plate, a lower plate, and a coolant embedded in an inner space between the upper plate and the lower plate; and at least one of an upper structure supporting the upper plate and a lower structure supporting the lower plate. The upper plate and the lower plate are composed of a material that can be melted or broken when a thermal event occurs in the battery cell. The upper structure and the lower structure are composed of materials that maintain rigidity when a thermal event occurs in the battery cell.
Resumen de: US20260051551A1
A storage system configured for use with an energy management system is provided and comprises a chassis comprising a plurality of slots configured to house a plurality of batteries and corresponding battery management units and a plurality of microinverters such that a user can selectively add/remove either a battery of the plurality of batteries or a microinverter of the plurality of microinverters to obtain at least one of a predetermined amount of KWh, KW, or C-rate.
Nº publicación: US20260051560A1 19/02/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: US20260051560A1
A battery pack according to one embodiment of the present disclosure may include a lower pack housing having a plurality of module regions, a thermal conductive resin layer applied to the lower pack housing within the module region, a plurality of battery cell stacks mounted in each of the plurality of module regions on the thermal conductive resin layer, and an upper pack housing for covering the plurality of battery cell stacks.
BOPI
Sede Electrónica
