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1235
resultados
Última actualización
11/02/2026 [07:44:00]
Resultados 1050 a 1075 de 1235
Resumen de: EP4685986A1
A secondary battery (2) includes a case (100), an electrode assembly (200) in the case and including a first electrode (210) and a second electrode (220), a first tab member (301) connected to the first electrode and extending from the electrode assembly in a first direction, a cap assembly (400) facing the electrode assembly and including a first terminal (420) and a second terminal (430), and a first connection member (500) between the electrode assembly and the cap assembly and including a first current collector plate (520) connected to the first tab member and a first current collector (510) connected to the first terminal and passing through the first current collector plate.
Resumen de: EP4686328A1
Provide are a liquid-cooled high-voltage box and an energy storage battery system, which relates to the field of battery energy storage systems. The liquid-cooled high-voltage box includes a base plate (1), a cover plate (2), and a frame; the base plate (1), the cover plate (2), and the frame encloses a chamber (5), a cavity (4) is arranged in the base plate (1), and the high-voltage component (18) is arranged on the base plate (1); an inlet (6) through which the liquid coolant is injected and an outlet (7) through which the liquid coolant is discharged are arranged on the base plate (1), and the inlet (6), the cavity (4), and the outlet (7)sequentially communicate with each other.
Resumen de: EP4685866A1
A positive electrode material, a secondary battery and an electric device. The positive electrode material comprises an inner core and a coating layer arranged on a surface of the inner core, wherein the inner core comprises a sodium-ion layered oxide, and the coating layer comprises a spinel-type lithium salt. The spinel-type lithium salt is used for tightly coating the layered positive electrode material, thereby solving the problems of the interface impedance of the positive electrode materials of the existing sodium-ion battery being relatively large, and a positive electrode adhesive being prone to being attacked.
Resumen de: EP4684932A1
The present invention is a discharge device arranged so that to form a plurality of electrodes, an electrode sheet is cut in a width direction, and then the remaining cutting residue excluding the plurality of electrodes is discharged to the outside, which comprises: a discharge part arranged to discharge the cutting residue to the outside; a discharge guide roller arranged to transfer the cutting residue to the discharge part; and a meandering adjustment roller provided during a process of transferring the cutting residue to the discharge part, and having a comb pattern formed on a surface so that a position of the cutting residue in contact with a roll surface is adjusted in one direction or the other direction.
Resumen de: EP4685925A1
The thickness of a heat conductive material can be made uniform. A battery module unit includes: a pair of battery modules disposed in parallel to each other in a state in which the battery modules are opposed to each other; a cooler disposed between the pair of the battery modules in parallel to the battery modules, the cooler being configured to cool the battery modules; a heat conductive material disposed between each of the battery modules and the cooler, each of the heat conductive materials being configured to conduct heat of the corresponding battery module to the cooler; a pair of holding members configured to hold corresponding ends of each of the pair of the battery modules; and spacers disposed between one of the battery modules and the cooler together with the heat conductive material.
Resumen de: EP4685860A1
Apparatuses and methods for manufacturing negative electrodes are disclosed. in an embodiment, an apparatus for manufacturing a negative electrode includes upper and lower magnet plates, each having (N+1) magnet modules with unit magnets arranged and offset in the Y-axis by N×d based on magnetic force direction patterns to control electrode alignment.
Resumen de: EP4685924A1
A box body assembly and a battery pack are provided in the present application. The box body assembly (100) includes a box body and liquid cooling joint groups. The box body comprises a first cooling plate (11) and a second cooling plate (12). The liquid cooling joint groups include a first liquid cooling joint (21) and a second liquid cooling joint (22). The second liquid cooling joint includes a first transition section, a second transition section, and a third transition section. A distance between an orthographic projection of the first liquid cooling joint on a plane where the second cooling plat is located and an orthographic projection of the first transition section on the plane where the second cooling plate is located is D1, a distance from the first transition section to a side edge is D2, and D2 is greater than D1, so as to reduce space and cost on a front panel.
Resumen de: EP4685935A1
Provided are a battery pack casing and a battery pack. The battery pack casing includes an enclosure (1), an upper cover plate (2), a bottom protective plate (3), and at least one pressure relief valve (5). The bottom protective plate (3) includes an upper plate (31), a lower plate (32), and multiple connecting platforms (33) to form a pressure relief chamber (34). The upper plate (31) also has multiple pressure relief holes (311) that communicate with the pressure relief chamber (34). A buffer chamber (11) that communicates with the pressure relief chamber (34) is disposed in the enclosure (1). The at least one pressure relief valve (5) is disposed on the enclosure (1) and communicates with the buffer chamber (11).
Resumen de: EP4685942A1
A cover plate assembly and a battery are provided. The cover plate assembly includes a cover plate and a monitoring assembly. The monitoring assembly includes an acquisition member, a connecting member, and a fixing member. The acquisition member is located inside an accommodating cavity and configured to acquire parameter information inside the housing. The fixing member is mounted on the cover plate and provided with a second mounting hole communicated with a first mounting hole. One end of the connecting member passes through the first mounting hole and the second mounting hole to be electrically connected to the acquisition member, and another end of the connecting member is exposed to the second mounting hole.
Resumen de: EP4685503A1
A battery pack simulator according to one embodiment of the present disclosure simulates a battery pack including a cell module assembly(CMA) including a plurality of battery cell stacks and a battery management system(BMS), and includes a plurality of BMS simulation units that simulate the BMS, wherein each BMS simulation unit manages and controls the state and operation of the battery pack to be simulated.
Resumen de: EP4685111A1
Disclosed are a graphite negative active material, a negative electrode plate, a secondary battery, and a device. The graphite negative active material satisfies 215 ≤ La × S + La × G ≤ 256, wherein S is the structural strength of the graphite negative active material, wherein the structural strength is the ratio of the volume average diameter Dv50 after powder compaction under a pressure of 20 KN to the volume average diameter Dv50 before powder compaction of the graphite negative active material; La is the crystallite size of the graphite negative active material in the a-axis direction measured by XRD in units of nm; and G is the degree of graphitization of the graphite negative active material. The secondary battery of the disclosure has superior high-temperature storage performance and calendar life.
Resumen de: GB2642840A
An electrical power storage system 14 comprising an enclosure to seal an electrical power source 20 within, and a suppressant collector 36, wherein the enclosure comprises a first venting aperture (Fig. 3, 26) in a side wall 24 of the enclosure, to vent gas generated by overheating of the power source, and wherein the suppressant collector is arranged outside of the enclosure to collect part of a liquid suppressant leaving the enclosure through the venting aperture, and wherein the collector comprises an exit aperture 52 at a higher level than the venting aperture. A further such enclosure (Fig. 3, 60) and collector 72 may be stacked on top of the first, wherein the exit apertures feed into a common exhaust conduit arranged to deliver gas and/or suppressant towards an external vent. A vehicle (Fig. 1, 10) comprising the system is also disclosed, optionally wherein the electrical power source is a traction battery of the vehicle.
Resumen de: GB2642878A
A battery module 10 for an electrical energy storage device 12 of a motor vehicle, comprising several storage elements 14, wherein an expandable intermediate material (e.g. foam) 16 is arranged between said elements. The battery module further comprises at least one activation device 18 that, when activated, provides heat to the intermediate material such that it increases the respective distance between the storage elements. The battery module may comprise a pressure supply device 30 and/or at least one temperature sensor 34 and computing device 36 to control the activation device. A method of operating a battery module.
Resumen de: GB2642837A
A modular housing unit 100 for cell modules 110 comprising a base 120 around which a wall 121, releasably connected to a second housing unit, extends to define an opening 130 through which a battery fits into a compartment 136; the base of the second unit forms a closure of the first. The base may comprise a cooling plate (Fig. 4, 138) contacting the modules. The plate may comprise recesses conforming to a lower face of the modules and may be releasably mounted to the base. A first (Fig. 4, 142) and second coolant manifold (Fig. 6A, 152), may be mounted to an outer face (Fig. 1B, 123) of the wall and be fluidly connected to a coolant inlet (Fig. 4, 144) in the base. A suppressant manifold on the outer face may be fluidly connected to the compartment through an inlet bore in the wall. A connector port may extend through the wall to support unit terminals 177 on the outer face, connected by a harness element to those of a second unit. A fuse assembly 170 may be mounted through an aperture in the wall. A system comprising a plurality of units. A method of assembling the system.
Resumen de: EP4685873A2
A secondary battery includes a positive electrode (14), a negative electrode (12), and an electrolyte layer (15) including an electrolyte solution (15a) that conducts a conductive ion between the positive electrode and the negative electrode. The positive electrode includes a positive electrode active material (14a) and an oxide-based ionic conductor (14b). The positive electrode active material is in contact with at least a part of the oxide-based ionic conductor. The electrolyte solution exists between the positive electrode active material and the oxide-based ionic conductor to allow the conductive ion to be electrochemically inserted into the oxide-based ionic conductor.
Resumen de: EP4685872A1
The present invention relates to: a silicon carbon composite; a negative electrode composition, a negative electrode, a lithium secondary battery, a battery module, a battery pack, and an electric vehicle comprising same; and a method for manufacturing the silicon carbon composite, wherein the silicon carbon composite comprises silicon and carbon, the content of silicon is 40 to 60 parts by weight with respect to 100 parts by weight of the silicon carbon composite, the content ratio (C/Si) of carbon to silicon is 30 or more after 10 seconds of etching time under the condition of Ta205 being etched at a rate of 0.15 nm/s during XPS analysis and is less than or equal to 15 after 1,000 seconds of etching time, and the oxygen content is less than or equal to 10 parts by weight with respect to 100 parts by weight of the silicon carbon composite.
Resumen de: EP4685933A1
Disclosed is a battery pack. The battery pack includes a case having an open lower portion and providing an inner space; a bottom cover coupled to the lower portion of the case; a PCB accommodated within the case and positioned on the bottom cover; and a plurality of battery cells accommodated within the case and positioned on the PCB.
Resumen de: EP4685871A1
A method for preparing a positive electrode material, a positive electrode material, a positive electrode plate, a battery, and an electric apparatus are disclosed. The method includes: mixing a precursor material, a lithium source, and an optional phosphorus source, and sintering to obtain a pre-product, where the precursor material includes a compound MnxFeyM(1-x-y)HPO4·nH2O, 0.9≤x+y<1, 0
Resumen de: WO2024193936A1
The invention relates to a method and an apparatus for transferring a blank cut (2) onto a web-type counter element, wherein the blank cut (2) is held on a flat holding surface (100) of a gripping device (10) and is positioned relative to the web-type counter element in a handover position by means of the gripping device (10), the web-type counter element is brought to the holding surface (100) by means of an application device, the application device is moved along the holding surface (100) so that the web-type counter element is laminated onto the blank cut (2) by means of the application device moved along the holding surface (100), and the gripping device (10) releases the blank cut (2) after the counter element has been laminated onto the blank cut (2).
Resumen de: CN120883379A
An aerosol-generating system (100) for generating an inhalable aerosol from an aerosol-forming substrate (21) is provided. The aerosol-generating system comprises a lithium ion battery pack (12). The battery includes a cathode (122) comprising a cathode active material (1222). The cathode active material includes at least one compound selected from the first group of compounds and at least one compound selected from the second group of compounds. The first set of compounds includes lithium iron manganese phosphate, lithium iron phosphate, or a combination thereof. The second group of compounds includes a lithium nickel manganese cobalt oxide, a lithium nickel cobalt aluminum oxide, a lithium cobalt oxide, or a combination thereof.
Resumen de: EP4685990A1
Disclosed are a battery cell and a battery having the same, and an electrical apparatus. The battery cell includes: a case including a mounting wall; an electrode assembly disposed within the case; an explosion-proof valve disposed on the mounting wall; and a gas guide portion including a gas guide groove formed in the mounting wall, the gas guide groove being configured to guide gas generated by the electrode assembly toward the explosion-proof valve. In the technical solutions of the embodiments of the present application, air inside the case can be guided to flow toward the explosion-proof valve by providing the gas guide groove on the mounting wall, facilitating improving the exhaust efficiency of the battery cell, and improving the pressure relief efficiency of the battery cell. As compared to separately providing a gas guide assembly inside the battery cell, providing the gas guide groove in the mounting wall to form the gas guide portion facilitates reducing space occupied by the gas guide portion within the battery cell.
Resumen de: EP4685906A1
The present invention provides a sulfurous acid-based solid electrolyte compound for an all-solid-state battery represented by Formula 1, a method for preparing the same, and an all-solid-state battery using the same.
Resumen de: EP4685923A1
This application relates to the field of refrigeration unit technologies, and in particular, to a door-mounted liquid cooling unit and an energy storage cabinet with a door-mounted liquid cooling unit. The energy storage cabinet includes an energy storage cabinet and the liquid cooling unit, the energy storage cabinet is configured to accommodate the liquid cooling unit and at least one of a battery pack or a power converter, the energy storage cabinet includes a cabinet body and a cabinet door, the cabinet door is configured to close the cabinet body, the cabinet body is configured to fasten at least one of the battery pack or the power converter, and the liquid cooling unit is fastened to a side that is of the cabinet door and that faces the battery pack or the power converter. In this application, the liquid cooling unit in the energy storage cabinet with the door-mounted liquid cooling unit is fastened to the cabinet door of the energy storage cabinet, to reduce space occupied by the liquid cooling unit in the cabinet body of the energy storage cabinet, and improve space utilization of the energy storage cabinet.
Resumen de: EP4685861A1
A secondary battery and an electric device. The secondary battery includes a negative electrode plate, which includes a negative electrode current collector and a negative electrode active material layer arranged on the surface of the negative electrode current collector, wherein the negative electrode active material layer includes a negative electrode active substance, and a surface of the negative electrode active material layer is provided with a protective film. The negative electrode plate satisfies: 0.05
Nº publicación: EP4685920A1 28/01/2026
Solicitante:
MAXELL LTD [JP]
Maxell, Ltd
Resumen de: EP4685920A1
A method of diagnosing a secondary battery is provided that is capable of estimating, in a simple manner, electrolyte diffusion coefficient, which is one of the characteristic values of a secondary battery (i.e., characteristic parameters), without disassembling the secondary battery. A method of diagnosing a secondary battery includes: estimating an electrolyte diffusion coefficient at a time of diagnosis of a secondary battery being diagnosed, Dn, using a first trained model adapted to estimate the electrolyte diffusion coefficient of the secondary battery based on input data containing the following items, (1) to (6): (1) the rated capacity (initial capacity) of the secondary battery; (2) the discharge capacity measured at a discharge rate equivalent to that for the measurement of the rated capacity; and (3) the magnitude of electric current for measurements of the following items, (4) to (6): (4) the voltage drop as determined at a predetermined period of time from initiation of discharge (or voltage rise as determined at a predetermined period of time from initiation of charge); (5) the voltage drop as determined at a predetermined SOC; and (6) the temperature rise as determined at a predetermined SOC.
BOPI
Sede Electrónica
