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1532
results.
Updated on
18/03/2026 [07:26:00]
Results 225 to 250 of 1532
Absstract of: US20260074262A1
A tape attaching device including: a lower support structure to support a cylindrical electrode assembly; a plurality of compression jigs to bend an insulating tape attached to a side surface of the electrode assembly and protruding in a height direction along a circumference of an upper surface of the electrode assembly, and attach the insulating tape to the upper surface of the electrode assembly; a pressing device to flatten the upper surface of the electrode assembly to which the insulating tape is attached; and a controller to control the compression jigs and the pressing device.
Absstract of: US20260074405A1
A battery assembly including a case having an accommodation space formed therein; a plurality of cells positioned in the accommodation space and aligned in one direction; a plurality of sensors configured to measure at least one of voltage or temperature of at least some of the cells; a fire extinguishing pipe connected to a fire extinguishing device, at least a part of the fire extinguishing pipe being positioned in the accommodation space; a heating member positioned adjacent to the fire extinguishing pipe; and a controller configured to control a power source to apply current to the heating member based on information associated with the cells received from the sensors.
Absstract of: US20260074403A1
A secondary battery, including an electrode assembly including a plurality of electrode plates, a battery can accommodating the electrode assembly, the battery can having a first surface corresponding to a side portion of the electrode assembly and a second surface corresponding to a surface of one of the plurality of electrode plates of the electrode assembly, and at least one injection hole in the second surface of the battery can.
Absstract of: US20260074386A1
An electrode output component, a cover plate assembly, and a battery cell are provided. The electrode output component includes a pole and a terminal. An outer peripheral surface of the pole is provided with an abutting portion. The terminal includes a first through hole. The first through hole is sleeved on one end of the pole and abuts against the abutting portion along an axial direction of the pole. A contact portion between the pole and the terminal are engaged with each other.
Absstract of: US20260074389A1
Disclosed is a battery cell, which includes an electrode assembly having a cell body and an electrode tab extending from the cell body; a cell case having an accommodation portion configured to accommodate the electrode assembly and a circumferential portion extending outward from the accommodation portion; an electrode lead electrically coupled to the electrode tab; and a conductive frame disposed on a first surface of the circumferential portion and electrically coupled to the electrode lead through the first surface of the circumferential portion.
Absstract of: US20260074404A1
A double-sealed battery top cover assembly, which includes an upper cover, a terminal post, a sealing ring, an upper insulating part, a riveting block, and a sealant. The bottom of the terminal post is provided with a mounting plate, the upper insulating part is arranged between the upper cover and the riveting block, the upper insulating part is provided with a flow guiding groove communicated with a clearance space, the riveting block is provided with a filling port communicated with the flow guiding groove, and the sealant and the sealing ring form a double seal for the clearance space. Through a double seal function of the sealing ring and the sealant, electrolyte leakage in a short-circuit test is avoided.
Absstract of: WO2026051209A1
Provided in the present application are a battery thermal runaway early-warning method and apparatus, an electronic device, and a storage medium. The method comprises: acquiring an electrical performance data sequence of a battery to be tested; performing filtering detection processing on the electrical performance data sequence to obtain filtered electrical performance data; and on the basis of the filtered electrical performance data, determining whether the battery meets a preset warning condition, and when the battery meets the preset warning condition, outputting an early-warning signal. The method improves the accuracy and effectiveness of thermal runaway early-warning for the battery.
Absstract of: WO2026051189A1
The present application provides a battery module, comprising a plurality of batteries and a venting structure, wherein extension portions of the venting structure are configured to be fixed to a plurality of busbars, the venting structure is fixed to the tops of the batteries by means of the provided extension portions connected to the busbars, the venting structure is integrally mounted on the tops of the batteries so that the overall structure of the battery module is stable, and clearance is formed between the busbars and the venting structure, so as to facilitate subsequent connection of the busbars to negative and positive electrodes and also facilitate subsequent sealing fit between the venting structure and an explosion-proof valve.
Absstract of: WO2026051170A1
The present application relates to the field of batteries, and provides a fixture, an isostatic pressing apparatus, and a battery production device. The fixture comprises at least two clamping plates and a pressure assembly. The clamping plates are stacked in a first direction, and a packaged electrode assembly is located between any two adjacent clamping plates. The pressure assembly is configured to apply pressure to the clamping plates in the first direction, so that any two adjacent clamping plates move close to each other. Each clamping plate comprises a support layer and a flexible layer stacked in the first direction, the flexible layer is located on at least one side of the support layer close to the packaged electrode assembly, and the hardness of the flexible layer is less than the hardness of the support layer. During isostatic pressing, a pressurizing medium pushes the clamping plates to apply pressure to the packaged electrode assembly to achieve densification processing. The support layer has relatively high hardness, enabling the clamping plate to possess certain hardness to apply pressure to the packaged electrode assembly; the packaged electrode assembly is in contact with the flexible layer, and the flexible layer has relatively low hardness, thereby reducing the possibility of damage to the packaged electrode assembly.
Absstract of: WO2026051162A1
A sodium-ion solid-state electrolyte and a preparation method therefor, and an all-solid-state sodium-ion battery. The electrolyte comprises a substrate and an interface protection layer, wherein the interface protection layer covers a surface of the substrate; the substrate is a polymer electrolyte; the interface protection layer is a metal; and the metal comprises at least one of Sn, Zn, In, Sb, Bi and Ge. By covering the surface of the substrate with the metal source serving as the interface protection layer, a stable metal thin layer interface is formed by means of the alloying of sodium and the metal source, which metal thin layer interface can effectively prevent the growth of sodium dendrites, reduce damage to the sodium-ion solid-state electrolyte in the cycling process of a battery, improve the interfacial wettability and reduce the interfacial charge transfer resistance, thereby improving the interface stability of a sodium metal negative electrode and the solid-state electrolyte, and therefore a stable long-cycle all-solid-state sodium-ion battery is obtained.
Absstract of: US20260074294A1
An apparatus for manufacturing an electrode assembly includes a separator supply unit, table, separator guide, first adhesive supply unit, and pair of tensioners. The separator supply unit is configured for supplying a separator sheet from which a separator is formed. The table is configured for supporting electrodes and sections of the separator sheet. The separator guide is configured for guiding the separator sheet to fold in a particular folding direction. The first adhesive supply unit is configured for applying an adhesive to portions of the separator sheet and the electrodes supported by the table. The pair of tensioners are each configured for pressing an uppermost section of the separator sheet guided by the separator guide against the table or against a placed electrode that directly underlies the uppermost section. The electrode assembly is manufactured by a process using the apparatus.
Absstract of: US20260074295A1
An electrode assembly for a secondary battery includes a first electrode plate with a first electrode pattern part, the first electrode pattern part including a plurality of patterns, a second electrode plate with a second electrode pattern part, the second electrode being stacked on at least one surface of the first electrode plate, and the second electrode pattern part including a plurality of patterns corresponding to positions and shapes of the plurality of patterns of the first electrode pattern part, and a separator between the first electrode plate and the second electrode plate.
Absstract of: US20260074290A1
An electrolyte, comprising: an amount of potassium hexafluorophosphate; at least one cyclic carbonate, the at least one cyclic carbonate optionally comprising at least one of ethylene carbonate and propylene carbonate; and at least one organic phosphate, the at least one organic phosphate optionally comprising at least one of trimethyl phosphate and triethyl phosphate. An electrical cell, comprising: the electrolyte according to the present disclosure, and an electrode, the electrode contacting the electrolyte. A method, comprising: any one or more of separating, disposing, or at least partially neutralizing any one or more of HF, HPO2F2, H2PO3F, an organofluorophosphate, a monofluorophosphate, an organophosphate, and a phosphonate evolved from operating an electrical cell that includes as an electrolyte any one or more of LiPF6, NaPF6, and KPF6.
Absstract of: US20260074293A1
Provided herein are improved electrolyte formulations. The improved performance may be realized as improved discharge rate cycling, improved capacity, improved Coulombic efficiency, or improved capacity upon cycling.
Absstract of: US20260074299A1
An electrode precursor composition for an alkali metal ion secondary cell is described. The composition includes a polymer-solvent gel matrix phase and a dispersed phase containing an electrochemically active material. The electrochemically active material has a multimodal particle size distribution having a D150/D250 in the range 2 to 15. The electrode precursor composition can be processed into an electrode for an alkali metal ion secondary cell, for example a lithium ion secondary cell.
Absstract of: US20260074547A1
Embodiments of the present application provide a charging and discharging apparatus and a battery charging method, which are capable of ensuring security performance of a battery. The apparatus comprises a bi-directional DC/DC converter and a control unit, wherein the control unit is configured to: receive a first charging current transmitted by a battery management system (BMS) of a battery, control the bi-directional DC/DC converter based on the first charging current to charge the battery through an energy storage battery; receive a first discharging current transmitted by the BMS and control the bi-directional DC/DC converter based on the first discharging current to discharge a battery capacity of the battery to the energy storage battery; and receive a second charging current transmitted by the BMS and control the bi-directional DC/DC converter based on the second charging current to charge the battery through the energy storage battery.
Absstract of: US20260074401A1
A method of manufacturing a secondary battery, the method including providing a battery can with an opening and a terminal-side surface, the terminal-side surface including a terminal, providing a cover, the cover being bonded onto the opening of the battery can, assembling an electrode assembly, accommodating the electrode assembly in the battery can and mounting the same, such that the electrode assembly faces the opening, injecting an electrolyte into the battery can within which the electrode assembly is accommodated, pressurizing and precharging the electrode assembly, and bonding the cover onto the opening of the battery can.
Absstract of: US20260074542A1
The present application relates to a surgical instrument and an assembling method therefor. A power source discharging mechanism includes a circuit board and a sliding member. The circuit board includes a discharging circuit, a conductive sheet, and a conductive contact surface. A fixed terminal of the conductive sheet is fixed to the circuit board, and the conductive contact surface faces an extension section of the conductive sheet. The sliding member is opposite to the conductive sheet and can linearly move relative to the power source assembly. At a first position, at least a portion of the extension section of the conductive sheet is separated from the conductive contact surface. At a second position, at least a portion of the extension section of the conductive sheet is in contact with the conductive contact surface.
Absstract of: US20260074375A1
This application relates to the field of power batteries and provides a battery cell, a battery, and a power-consuming apparatus. The battery cell includes an adapter with a protruding welding point and a covering member connected to the adapter. An accommodating cavity is formed between the covering member and the adapter to house at least part of the welding point. The structure allows the covering member to fit more closely to the adapter around the welding point, reducing suspension or detachment of the covering member. As a result, adhesion between the covering member and the adapter is improved, enhancing structural reliability and performance of the battery cell.
Absstract of: US20260074342A1
A battery pack case according to an embodiment of the present disclosure includes a housing having an accommodation space therein, and a partition plate disposed in the accommodation space to partition the accommodation space, wherein the partition plate may include a first member forming an outer surface of the partition plate, and a second member disposed inside the first member and connected to an inner surface of the first member, the second member being disposed in a diagonal direction with respect to an outer surface of the first member.
Absstract of: WO2026050899A1
Provided in the present application are a battery cell, a battery device and an electrical device. With respect to the battery cell of the present application, the areal density of a positive electrode film layer on a single side is 0.33 g/1540.25 mm2 to 0.4 g/1540.25 mm2, and the areal density of a negative electrode film layer on a single side is 0.15 g/1540.25 mm2 to 0.19 g/1540.25 mm2; in a first direction, the size of the positive electrode film layer is W1 mm, and the size of the negative electrode film layer is W2 mm, wherein W2>W1, and the difference between W2 and W1 is 3 mm to 5 mm.
Absstract of: WO2026050895A1
A battery cell, a battery device, and an electric device. In the battery cell, a positive electrode active material comprises a lithium-containing phosphate salt having an olivine structure; the average particle size Dv50 of a negative electrode active material is 8 μm to 15 μm, and the negative electrode active material comprises graphite; and an electrolyte comprises a carbonate additive, the carbonate additive comprises fluoroethylene carbonate (FEC) and vinylene carbonate (VC), and on the basis of the total mass of the electrolyte, the mass proportion of the carbonate additive is 0.5% to 7%.
Absstract of: WO2026050973A1
A thermal management method and apparatus, an electronic device, a storage medium, and a program product. The method comprises: when a battery apparatus of a vehicle is charged, if energy provided by a thermal management system of the vehicle does not meet a temperature regulation requirement of the battery apparatus, controlling an energy storage apparatus of the thermal management system to use pre-stored energy to perform thermal management, wherein the pre-stored energy is energy which is stored by means of the energy storage apparatus when the thermal management system determines, on the basis of the current temperature and charging information of the battery apparatus, that the vehicle meets an energy storage trigger condition. By means of the solution, the capability of the thermal management system can be improved without changing thermal management hardware, thereby meeting actual thermal management requirements of the vehicle.
Absstract of: WO2026050901A1
A battery cell, a battery device, and an electric device. In the battery cell, a positive electrode active material comprises an olivine-structured lithium-containing phosphate, and in the cross section of a positive electrode film layer in the thickness direction, the olivine-structured lithium-containing phosphate contains first lithium-containing phosphate particles having a maximum diameter of 0.05 μm to 0.3 μm, and second lithium-containing phosphate particles having a maximum diameter of 1 μm to 3 μm; the average particle size Dv50 of a negative electrode active material is 8 μm to 15 μm, and the negative electrode active material comprises graphite.
Nº publicación: US20260074292A1 12/03/2026
Applicant:
PANASONIC INTELLECTUAL PROPERTY MAN CO LTD [JP]
Panasonic Intellectual Property Management Co., Ltd
Absstract of: US20260074292A1
A lithium secondary battery 100 of the present disclosure includes: a positive electrode 5 including MnO2; a negative electrode 6 including a negative electrode active material with lithium ions occluded; and an electrolytic solution including a mixed solvent of a cyclic carbonate and a chain carbonate, the electrolytic solution being impregnated into the positive electrode 5 and the negative electrode 6. The negative electrode active material includes, for example, at least one selected from the group consisting of graphite and silicon. The cyclic carbonate includes, for example, at least one selected from the group consisting of ethylene carbonate and vinylene carbonate. The chain carbonate includes, for example, ethyl methyl carbonate.
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