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1380
resultados
Última actualización
14/03/2026 [07:18:00]
Resultados 150 a 175 de 1380
Resumen de: 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.
Resumen de: US20260074296A1
An electrode assembly, and a battery cell and a power source including the same are provided. The electrode assembly includes a first electrode plate wound about a winding axis and including a first uncoated portion without a first electrode active material coated thereon, a second electrode plate wound about the winding axis and including a second uncoated portion without a second electrode active material coated thereon, a separator disposed between the first electrode plate and the second electrode plate, and a plurality of segments formed on at least one of the first uncoated portion or the second uncoated portion. The plurality of segments are arranged such that at least one bottom angle is changed in a winding direction.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: US20260074291A1
An electrolyte including lithium bis(fluorosulfonyl)imide and lithium hexafluorophosphate, where based on a total weight of the electrolyte, a weight percentage of lithium bis(fluorosulfonyl)imide is a %, and a weight percentage of lithium hexafluorophosphate is b %, where 12<a+b<20 and 0.2<a/b<1.5. An electrochemical apparatus using the electrolyte described in this application can achieve high energy density while also ensuring rate performance at room temperature and high temperature and cycling stability at room temperature and high temperature.
Resumen de: US20260074289A1
An electrolyte for a thick LFP-Li battery system is provided. The electrolyte includes a low-viscosity main salt, at least one lithium-based functional salt, and a solvent including a low viscosity solvent mixed with a cyclic ether solvent. The low-viscosity main salt includes at least one of LiTFSI or a lithium salt.
Resumen de: US20260074287A1
A lithium-ion secondary battery and an electric apparatus are provided. The lithium-ion secondary battery includes an electrolyte. The electrolyte includes alkali metal ions having an ionic radius greater than a radius of lithium ions and a film-forming additive. Based on a total mass of the electrolyte, a mass percentage A of the alkali metal ions and a mass percentage B of the additive satisfy 0.10≤B/A≤6×104.
Resumen de: US20260074285A1
An electrolyte for a lithium secondary battery according to exemplary embodiments includes an additive including a compound having a specific structure, an organic solvent and a lithium salt. Accordingly, a lithium secondary battery including the electrolyte for a lithium secondary battery exhibits improved low-temperature properties such as resistance and capacity retention, and high-temperature stability.
Resumen de: 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.
Resumen de: US20260074384A1
In one exemplary embodiment, an electrode sheet is provided. The electrode sheet has a longitudinal direction and a lateral direction and constitutes an electrode of a secondary battery by being wound with the lateral direction as an axial direction. The electrode sheet includes a current collector that includes a resin layer, and a first current collecting layer and a second current collecting layer that are respectively provided on both surfaces of the resin layer; a first active material layer that is provided on a surface of the first current collecting layer on a side opposite to the resin layer; and a first metal sheet that is bonded to one end of the first current collecting layer in the lateral direction and has a first bonding mark formed along the longitudinal direction by the bonding, where the first metal sheet has a first extending part that extends from the first current collecting layer in the lateral direction.
Resumen de: US20260074372A1
A separator and a preparation method of separator, a battery cell including the separator, a battery including the battery cell, and an electric device including the battery, where the separator includes at least two base films and a functional layer interposed between two adjacent base films, and the base film includes at least two components.
Nº publicación: US20260074398A1 12/03/2026
Solicitante:
KK TOYOTA JIDOSHOKKI [JP]
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
Resumen de: US20260074398A1
An electric power storage module including: an electrode stack including a plurality of electrodes each including a current collector and a detection line joined to the current collector; and a sealing body provided on the electrode stack to surround the electrode stack and configured to seal an internal space between the current collectors adjacent to each other, in which the sealing body includes a plurality of sealing members made of a resin and welded to the plurality of electrodes, respectively, a plurality of spacers each of which is made of a resin, disposed between the sealing members adjacent to each other, and forms the internal space together with each of the sealing members, and an outer side face formed by welding the sealing members and the spacers to each other.
BOPI
Sede Electrónica
