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1263
results.
Updated on
26/12/2025 [07:11:00]
Results 1100 to 1125 of 1263
Absstract of: US2025379318A1
A service housing for a battery module may include an enclosure coupled to an end of the battery module, and a cover assembly coupled to a service end of the enclosure. The cover assembly may include a first removable cover removably attachable over a first service area portion of the service end, a second removable cover removably attachable to the service end and including an opening allowing access to a second service area, a third removable cover removably positioned within the opening of the second removable cover, and a fourth removable cover removably attachable to the second removable cover opposite the enclosure so as to cover the opening.
Absstract of: US2025379218A1
Provided is a composite active material that is capable of more suppressing deterioration of an active material caused by the moisture of the composite active material than a conventional composite active material by increasing a permissible water content of a layer of the composite active material. The composite active material that is used for solid-state batteries includes: an active material; a first coat layer that contains a fluoride-containing first solid electrolyte, the first coat layer coating at least part of a surface of the active material; and a second coat layer that contains a sulfide-containing second solid electrolyte, and a solvent, the second coat layer coating at least part of the first coat layer, wherein a water content of the composite active material at 200° C. measures at most 823 ppm on a Karl Fischer titrator.
Absstract of: US2025379314A1
A fixing structure capable of fixing a battery module to a battery pack in a more preferred mode is provided. Main body housing 10 of battery module 1 according to the present disclosure includes a plurality of cell housing holes 10a each for housing battery cell 11. In at least one of the plurality of cell housing holes 10a, battery cell 11 is not disposed and screw receiving member 12 is disposed in place of battery cell 11. Screw member Ba is disposed so as to be inserted through a through hole 10b formed in the side wall of main body housing 10 via bracket Pb fixed to battery pack P, and main body housing 10 is fixed to battery pack P by fastening with screw hole 12a of screw receiving member 12.
Absstract of: US2025379340A1
The present document describes a low magnetic field (H-field) tab configuration for a cylindrical-winding battery. The battery design is a rolled and stacked battery, with two or more winding rolls of cathode and anode layers separated by insulation layers, the winding rolls also being separated by a distance with the distance, in some embodiments, filled with a dielectric material. A first tab is electrically connected to a first layer of the plurality of layers, the first layer having a first polarity. A second tab electrically connected to a second layer of the plurality of layers, the second layer having an opposite polarity to the first layer. The second tab is configured to at least partially overlap a portion of the first tab. The tab configuration causes the battery to produce a reduced H-field when compared with a battery having non-overlapping tabs.
Absstract of: US2025379214A1
A method for manufacturing an electrode sheet is disclosed. The method may include producing first coated active material particles by mixing first active material particles with at least a binder, producing second coated active material particles by mixing second active material particles with at least a conduction aid; producing an electrode mixture by mixing the first coated active material particles with the second coated active material particles; and forming the electrode mixture into a sheet shape.
Absstract of: US2025379338A1
This cylindrical battery comprises: an outer container which has the shape of a bottomed tube and accommodates an electrode body; a terminal cap; a plurality of cathode leads which extend out of the electrode body; and an upper current collector plate to which the plurality of cathode leads are connected. The upper current collector plate has a protruding portion which protrudes towards the terminal cap in the axial direction, and the terminal cap has a recessed portion which accommodates at least the tip of the protruding portion. Part of the protruding portion at the tip and part of the bottom surface of the recessed portion are connected by a connecting part. Between the protruding portion and the recessed portion, there is a first passage portion which is radially adjacent to the connecting part and a second passage portion which is linked to the reverse side of the first passage portion from the connecting part in the radial direction and has a maximum axial length that is smaller than the maximum axial length of the first passage portion.
Absstract of: US2025379300A1
A battery cell, a battery, and an electric apparatus. The battery cell includes: a casing, where the casing has a plurality of wall portions, the plurality of wall portions include a first wall, the first wall includes a main body portion and an edge portion connected to the main body portion, the edge portion is connected to an adjacent wall portion, and the wall thickness of the edge portion is greater than the wall thickness of the main body portion; an electrode assembly, where the electrode assembly is disposed in the casing; and an electrode terminal, where the electrode terminal is disposed on the wall portion and is electrically connected to the electrode assembly.
Absstract of: US2025379283A1
Manufacture and quality control of a cooling plate is simplified by providing peripheral walls on each side of a fluid cavity within a metallic base. The peripheral walls protrude over external surfaces of a fluid cavity and encircle open recesses. The external surface of the fluid cavity on one side of the base may be a metallic lid surrounded by a ledge inside the peripheral walls on the respective side and over the fluid cavity, joined to the base by friction stir welding. Plastic honeycomb cell receptacle structures within the open recesses on each side of the base may be snap fit to counterpart features on the peripheral walls. Defects arising from machining, e-coating, or powder coating metallic cell pockets on the cooling plate are avoided, as are defects related to gravity casting of the base for some embodiments.
Absstract of: US2025379297A1
A battery substrate applied to a secondary battery, comprising: a first substrate comprising a resin; an adhesive layer having one surface adhered to the first substrate; a particle layer comprising at least one selected from the group consisting of a solid electrolyte, an active material and a current collector material and disposed on the other surface opposite to the one surface of the adhesive layer; and a second substrate disposed in a region of the other surface where the particle layer is not disposed, wherein the second substrate is disposed so as to support a periphery of a region where the particle layer is disposed in at least two directions.
Absstract of: US2025379224A1
Systems and methods utilizing aqueous-based polymer binders for silicon-dominant anodes containing pyrolyzed carbon may include an electrode coating layer on a current collector, where the electrode coating layer is formed from silicon and a water soluble polymer and may comprise one or more additional materials. The electrode coating layer may include more than 70% silicon and the anode may be in a lithium ion battery.
Absstract of: US2025376060A1
The invention addresses key challenges in electric transportation by introducing novel solutions for electric vehicles (EVs) and their batteries, Recharge time is reduced to 2-5 minutes through optimized battery design and automated charging systems. Battery performance is enhanced via thermal management using a dedicated hydrogen-based heating and cooling system. Vehicle range is extended by reserving the main battery for propulsion, while cabin climate control is handled separately using a hydrogen heater and a hydrogen-powered compressor for air conditioning. An electric vehicle integrating these features is referred to as an Efficient Electric Vehicle (EEV).
Absstract of: US2025375914A1
The present disclosure provides an electrode plate cutting machine and an apparatus for manufacturing a secondary battery, which may prevent foreign substances or cracks from occurring in a mixture portion while an electrode plate is cut and prevent an active material from being transferred to a separator. The electrode plate cutting machine includes an upper cutter installed above a transport path of an electrode plate transported along the transport path, a lower cutter installed below the transport path to cut the electrode plate, and a stripper installed on a side portion of the lower cutter to support the electrode plate upwardly toward the upper cutter while the electrode plate is cut, wherein the stripper includes a main body which provides a supporting force and a supporter supported by the main body and having a relatively low hardness compared to the upper cutter, the lower cutter, and the main body.
Absstract of: US2025375902A1
A gripper for picking up and gripping individual sheet-like electrodes while manufacturing a battery cell. The gripper has a suction device for aspirating the electrode. The gripper has a first gripper segment and a second gripper segment, wherein the suction device has a first suction device arranged on the first gripper segment for aspirating a first region of the electrode to be gripped and a second suction device arranged on the second gripper segment for aspirating a second region of the electrode to be gripped. The gripper also includes a displacement unit for relatively displacing the first and second gripper segments with at least one directional component parallel to the surface of the electrode to be gripped.
Absstract of: US2025375834A1
A method for welding a cell component to an electrode assembly of an energy storage cell such as a supercapacitor by: arranging each cell component and the electrode assembly in contact with each other, each cell component has an exposed welding surface accessible for welding by a welding implement; and, moving the welding implement relative to the welding surface to weld each cell component to the electrode assembly by forming a plurality of weld seams on the welding surface. At least two of the formed weld seams are chosen from a group of weld seam types which includes a transport weld seam that has a main directional component along a radial direction of the electrode assembly and a collector weld seam that has a main directional component along a circumferential direction of the electrode assembly.
Absstract of: US2025379313A1
A box, a battery and an electrical apparatus. The box includes: a plurality of beams enclosing and forming a first accommodating space, the first accommodating space being configured to accommodate a battery high-voltage module; and a thermal management component arranged to intersect with the beams and configured to regulate the temperature of the battery high-voltage module; wherein in the thickness direction of the thermal management component, the thermal management component is located in the first accommodating space.
Absstract of: US2025379215A1
Examples include a positive electrode active material for a rechargeable lithium battery, a positive electrode including the positive electrode active material, and a rechargeable lithium battery including the positive electrode active material. A positive electrode active material includes a first particle having an olivine crystal structure and having a first average particle diameter, a second particle having an olivine crystal structure and having a second average particle diameter smaller than the first average particle diameter, and a third particle having an olivine crystal structure and having a third average particle diameter larger than the first average particle diameter.
Absstract of: US2025379289A1
A power storage module includes a plurality of power storage cells stacked together, and includes: a plurality of heat conducting members arranged in contact with the power storage cells so as to be able to conduct heat; a plurality of heat insulating members each thermally insulating two heat conducting members from each other; and a base member arranged in contact with the heat conducting members so as to be able to conduct heat. The power storage cell, the heat conducting member, the heat insulating member, the heat conducting member, and the power storage cell are stacked together in this order. The base member extends in a stacking direction in which the power storage cells, the heat conducting members, and the heat insulating members are stacked together, and is arranged in contact with at least the plurality of heat conducting members so as to be able to conduct heat.
Absstract of: US2025379309A1
A battery tray for a battery support of an electric vehicle, and the battery tray has a base and a one-piece and material-uniform peripheral wall extending from the base and optionally an outer peripheral flange projecting from the wall. The battery tray is made of a hardenable sheet steel blank as a hot-formed and press-hardened component.
Absstract of: US2025379311A1
A battery apparatus and an electrical apparatus are provided. The battery apparatus includes a box body, a battery cell arranged within the box body, and a protective plate disposed at the bottom of the battery cell along the gravity direction. The protective plate includes multiple stacked layers arranged differently in two regions. In a first region, a first fiber-resin layer, an enhancement layer, and a second fiber-resin layer are sequentially stacked, with the first fiber-resin layer facing the battery cell. In a second region, the structure comprises either: (i) the first fiber-resin layer, the second fiber-resin layer, and a reinforcement layer; or (ii) the reinforcement layer, the first fiber-resin layer, and the second fiber-resin layer. This layered configuration enhances the structural reliability of the battery apparatus.
Absstract of: US2025379277A1
Provided herein are systems and methods for managing a temperature of a battery pack. For example, a method may include determining, by one or more processors, a heat load for the battery pack for a first time window based on one or more metrics for a second time window, applying, by the one or more processors, the heat load to a threshold criteria, and transmitting, by the one or more processors, a signal to a thermal management system, to modify a condition of the thermal management system for cooling the battery pack, responsive to the heat load satisfying the threshold criteria.
Absstract of: US2025379301A1
A sealed battery according to one example of an embodiment comprises: an electrode body in which a positive electrode and a negative electrode are laminated with a separator therebetween; a bottomed cylindrical external can which has a bottom surface part and a side surface part and which accommodates the electrode body; and a sealing body which closes an opening of the external can. The external can has a thin portion that is formed along the circumferential direction such that an inner surface of the side surface part is recessed. The lower end of the thin portion is positioned between the bottom surface part and the lower end of the positive electrode in the height direction of the external can.
Absstract of: US2025379225A1
An all-solid-state-battery (ASSB) cell includes C cathode electrodes, S separators, and A anode electrodes, where A, C and S are integers greater than zero. Each of the A anode electrodes comprises an aluminum-iron (Al—Fe) layer and a prelithiated Al—Fe layer on the Al—Fe layer.
Absstract of: US2025379294A1
The present disclosure provides a prismatic battery that includes a laminated electrode assembly having positive electrode plates and negative electrode plates. The negative electrode plate has a negative electrode active material layer including a Si-containing material. The negative electrode active material layer has a closing plate side region provided at one end portion thereof on the closing plate side and a central region provided in a band shape at a center thereof in a first direction. The closing plate side region is free of the Si-containing material or has a content of the Si-containing material lower than that in the central region.
Absstract of: US2025379268A1
A metal-carbon dioxide battery with an electrolyte regeneration system, in which battery performance and durability can be improved by providing the electrolyte regeneration system to an anode side of the metal-carbon dioxide battery.
Nº publicación: US2025379269A1 11/12/2025
Applicant:
DYNAPACK INTERNATIONAL TECH CORPORATION [TW]
DYNAPACK INTERNATIONAL TECHNOLOGY CORPORATION
Absstract of: US2025379269A1
A battery management system is used to discharge an input capacitor of a load, and the battery management system includes a battery pack, a main discharge loop, a pre-discharge loop, and a controller. The pre-discharge loop sets a rated current, and the controller selectively controls a conduction of the main discharge loop or the pre-discharge loop to provide a battery power from the battery pack to the load. When the load is coupled to the battery management system, the controller first turns on the pre-discharge loop for a specific time, and then turns on the main discharge loop. The pre-discharge loop limits a current to be approximately equal to the rated current according to the current flowing through reaching the rated current at a specific time.
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