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1478
resultados
Última actualización
25/12/2025 [07:16:00]
Resultados 25 a 50 de 1478
Resumen de: EP4668425A1
An end cover assembly, an energy-storage apparatus, and an electricity-consumption device are provided in the present disclosure. The end cover assembly includes an end cover, an upper plastic member, and a terminal post. The end cover has a first surface and a second surface positioned facing away from the first surface. The terminal post includes a terminal-post body and a flange connected to one end of the terminal-post body. The end cover further defines a mounting hole. The mounting hole extends through the first surface and the second surface. A protrusion portion protrudes from the first surface. The protrusion portion surrounds the mounting hole. The protrusion portion has an end surface. The upper plastic member includes an upper-plastic-member body and a lug. The upper-plastic-member body has a step surface and an abutting surface. The step surface is positioned facing away from the abutting surface in a height direction of the upper plastic member. The lug protrudes from an edge of the step surface away from a center of the upper plastic member. The upper-plastic-member body and the lug cooperatively define a terminal-post through-hole. The terminal post passes through the terminal-post through-hole. A surface of the flange positioned facing towards the terminal-post body abuts against the step surface. The lug surrounds an outer periphery of the flange. The upper plastic member and the terminal post are accommodated in the mounting hole. The lug exceeds the first
Resumen de: EP4668461A1
The present invention relates to an electrode tab support. More specifically, it relates to an electrode tab support including a first electrode tab receptacle and a second electrode tab receptacle.
Resumen de: EP4668371A1
A battery cell, a battery, and an electric apparatus are disclosed. The battery cell (71) includes: an electrode assembly (10) including a positive electrode plate (11) and a negative electrode plate (12), where the positive electrode plate (11) includes a positive electrode current collector (111) and a positive electrode active material (112) disposed on the positive electrode current collector (111), the positive electrode active material (112) including an active material capable of reversibly deintercalating and intercalating sodium ions, and the negative electrode plate (12) includes a negative electrode current collector (121), the negative electrode current collector (121) including a metal substrate (121b); where a constituent material of the metal substrate (121b) includes element aluminum, and a mass percentage of the element aluminum is greater than a mass percentage of each of other elements.
Resumen de: EP4668467A1
A battery cell, a battery, and an electric apparatus are provided. The battery cell includes a housing, an electrode assembly, and a conductive member. The housing is provided with an electrode lead-out member. The electrode assembly is accommodated in the housing. The electrode assembly is a cylindrical wound structure. The electrode assembly includes a first electrode plate, where the first electrode plate includes a current collector and an active material layer, the current collector includes a coated region coated with the active material layer and a tab not coated with the active material layer, and the coated region and the tab are arranged along a first direction. The conductive member includes a conductive body and a bent portion, where at least a portion of the conductive body is connected to the tab to form a first connection region, the bent portion is configured to be electrically connected to the electrode lead-out member, the bent portion extends from an end of the conductive body away from the active material layer and is continuously bent multiple times, and in the first direction, the bent portion entirely extends beyond an end of the tab away from the coated region.
Resumen de: EP4668407A1
The present application belongs to the technical field of batteries, and particularly relates to an laminated battery cell, a secondary battery and an electrical apparatus. The laminated battery cell provided by the present application comprises a positive electrode sheet, a negative electrode sheet and a separator, the separator comprising a separator body; the separator body comprises a side surface facing the negative electrode sheet, the side surface being provided with a side edge, and at least part of the side edge being provided with an adhesive film layer; the adhesive film layer is arranged in a first direction and/or a second direction of the plane where the separator body is located, so as to form an accommodation area, the negative electrode sheet being located in the accommodation area. The laminated battery cell helps to improve the safety of batteries.
Resumen de: EP4668470A1
A battery cell, a battery, and an electrical apparatus. The battery cell comprises an electrode assembly, a shell, an electrode terminal, an insulating member, and a protective member. The shell comprises a wall portion provided with an electrode lead-out hole. The electrode assembly is accommodated in the shell and comprises a tab. The electrode terminal is electrically connected to the tab. The electrode terminal comprises a terminal body passing through the electrode lead-out hole and a fixing portion connected to the terminal body. The insulating member is arranged surrounding the terminal body. At least a portion of the insulating member is located between the fixing portion and the wall portion to isolate, in an insulated manner, the fixing portion from the wall portion. The protective member is arranged surrounding the terminal body and in contact with the insulating member. A tensile strength of the protective member is greater than a tensile strength of the insulating member.
Resumen de: EP4667415A1
The present invention relates to a silicon carbon composite, a negative electrode active material comprising same, a negative electrode composition, a negative electrode, a lithium secondary battery, a battery module, and a battery pack, the silicon carbon composite having, in a <sup>29</sup>Si-MAS-NMR spectrum, a peak A within a chemical shift value range of 20 ppm to -15 ppm, a peak B within a chemical shift value range of -20 ppm to -100 ppm, and, in a <sup>29</sup>Si-MAS-NMR spectrum, a peak C within a chemical shift value range of -110 ppm to -140 ppm.
Resumen de: EP4668386A1
Disclosed are a pressing apparatus for secondary battery formation capable of monitoring pressing force in real time such that pressing for formation can be performed while monitoring the contact area between a pressing plate and a battery in real time in order to solve a problem in which lithium is precipitated due to a change in pressing uniformity because the contact area of the battery is not confirmed during a formation process, which is one of secondary battery manufacturing processes, and a pressing method thereof.
Resumen de: EP4668364A1
The present invention relates to a positive electrode for a lithium secondary battery, a method of manufacturing the same and a lithium secondary battery comprising the same.
Resumen de: EP4668345A1
Example embodiments provide a secondary battery manufacturing system. The secondary battery manufacturing system includes a first electrode cutter configured to cut a first electrode sheet unwound from a first electrode roll to provide a plurality of first electrodes, a second electrode cutter configured to cut a second electrode sheet unwound from a second electrode roll to provide a plurality of second electrodes, a third electrode cutter configured to cut a third electrode sheet unwound from a third electrode roll to provide a plurality of third electrodes, an electrode identifier (ID) reader configured to sense an electrode ID of an electrode tab of each of the first, second or third electrodes selected from among the plurality of first electrodes, the plurality of second electrodes, and the plurality of third electrodes, and a controller configured to collect coordinate-related electrode ID data, based on a first input amount of the first electrode sheet, a second input amount of the second electrode sheet, a third input amount of the third electrode sheet, and an electrode ID sensing signal.
Resumen de: EP4668449A1
Disclosed is a battery pack. The battery pack includes a case having an open upper surface and providing an inner space; a plurality of battery cells accommodated in the inner space and extending in a left and right direction; a partition wall configured to partition the inner space; a spacer provided at an upper end of the partition wall; and a pack cover configured to cover the upper surface of the case and coupled to the spacer.
Resumen de: EP4668385A1
The present invention relates to a pouch-type secondary battery manufacturing device, and more specifically, relates to an adsorption device holding a pouch in an electrolyte injection process, and a pouch-type secondary battery manufacturing device comprising the same. According to one example of the present invention, a pouch-type secondary battery manufacturing device may be provided, which comprises: a base; a pad assembly provided at the front of the base and having an adsorption pad adsorbing a pouch in a horizontal direction to form an electrolyte injection path into the inside of the pouch; and a pad cover covering the upper part and front of the pad assembly and having a nozzle spraying air toward the adsorption pad.
Resumen de: EP4668381A1
An electrode assembly according to an embodiment of the present disclosure may include a plurality of electrodes stacked on top of each other; a plurality of separators interposed between the plurality of electrodes; and a plurality of electrode tabs connected to the plurality of electrodes and protruding further outward than the plurality of separators. Each separator may include an edge portion that protrudes further than the electrode in the extension direction of the electrode tab and partially overlaps with the electrode tab in the stacking direction of the plurality of electrodes. The edge portions of at least some of the plurality of separators may be sealed to each other so that the plurality of electrode tabs are gathered together.
Resumen de: EP4668356A1
The present application relates to a positive electrode sheet, a preparation method therefor, a secondary battery and an electric device, the positive electrode sheet includes a positive electrode current collector, at least a side of the positive electrode current collector is provided with a positive electrode active material layer, at least a side of the positive electrode active material layer is provided with a lithium compensation layer, the positive electrode active material layer includes lithium iron phosphate, and the lithium compensation layer includes a ternary material. At least a side of the positive electrode active material layer of the positive electrode sheet above is provided with the lithium compensation layer containing the ternary material, irreversible lithium compensation can be performed on a negative electrode sheet, and a loss amount of lithium ions in the positive electrode active material layer is effectively reduced during charge and discharge cycles, thereby delaying capacity attenuation of a secondary battery to prolong its cycle life.
Resumen de: EP4668372A1
The composition of the disclosure contains a conductive carbon material (A), an olefin resin (B), and an acrylic water-soluble polymer (C). The acrylic water-soluble polymer (C) has a structural unit derived from a (meth)acrylamide, and a structural unit derived from a vinyl monomer having at least one of a carboxy group or a hydroxy group. A content of the structural unit derived from a (meth)acrylamide is from 35% by mass to 95% by mass with respect to a total amount of the acrylic water-soluble polymer (C). A content of the structural unit derived from a vinyl monomer having at least one of a carboxy group or a hydroxy group is from 5% by mass to 65% by mass with respect to the total amount of the acrylic water-soluble polymer (C).
Resumen de: EP4667416A1
The present invention relates to: a silicon-carbon composite having peak A with a chemical shift in the range of 20 ppm to -15 ppm in the <sup>29</sup>Si-MAS-NMR spectrum, peak B in the range of -20 ppm to -100 ppm, and peak C with a chemical shift in the range of -110 ppm to -140 ppm in the <sup>29</sup>Si-MAS-NMR spectrum; and a negative electrode active material, a negative electrode composition, a negative electrode, a lithium secondary battery, a battery module; and a battery pack which include the silicon-carbon composite.
Resumen de: EP4668536A1
Provided is a charging and discharging device for secondary batteries with an improved internal airflow. A charging and discharging device of the present disclosure includes a mechanism unit that brings pins for charging and discharging into contact with battery cells; a power supply unit that is disposed adjacent to the mechanism unit, supplies power and controls charging and discharging; and an airflow circulation unit that continuously circulates air through the power supply unit to the mechanism unit.
Resumen de: EP4668352A1
The present invention relates to a positive electrode for a secondary battery, a lithium secondary battery comprising the same and a method of manufacturing the same.
Resumen de: EP4668384A1
The present invention relates to a pouch-type battery manufacturing device and a gripper used therein, and more specifically, relates to a battery manufacturing device and a gripper, which can perform an insertion process for a pouch and an electrode assembly more stably and efficiently while minimizing damage to the electrode assembly.According to one example of the present invention, a pouch-type battery manufacturing method may be provided, which comprises: a pouch pickup step of picking up a pouch, in which an accommodation portion for inserting an electrode assembly is formed, using a gripper; a pouch cover step of moving the pouch downward to the upper portion of the electrode assembly using the gripper to insert the upper portion of the electrode assembly into the accommodation portion; an assembly pickup step of picking up the pouch and the electrode assembly together using the gripper; and a seating step of seating the pouch and the electrode assembly in an assembly station in a state where the electrode assembly is inserted into the accommodation portion of the pouch from the upper portion of the pouch by reversely moving the gripper up and down.
Resumen de: EP4668427A1
The present invention relates to a secondary battery including an electrode assembly, an exterior film having an inner space which accommodates the electrode assembly, and an exterior opening which allows the inner space to communicate with outside, and a cover member which covers the exterior opening of the exterior film, wherein the cover member includes a first member which blocks the exterior opening, and a second member which extends from the first member and is coupled to an inner surface of the exterior film.
Resumen de: EP4668363A1
The present invention relates to a positive electrode active material including a lithium transition metal oxide in a form of a single particle, and a positive electrode and a lithium secondary battery which include the same, and to a single particle type positive electrode active material, wherein the lithium transition metal oxide in the form of a single particle includes an outer boundary forming an outline of the particle and an inner boundary formed in the particle, and satisfies that 0 < length of the inner boundary/length of the outer boundary < 0.4.
Resumen de: EP4668362A1
The present invention relates to a positive electrode active material including a lithium transition metal oxide in a form of a single particle, and a positive electrode and a lithium secondary battery which include the same, and to a single particle type positive electrode active material, wherein the lithium transition metal oxide in the form of a single particle includes an outer boundary forming an outline of the particle and an inner boundary formed in the particle, and satisfies that length of the inner boundary/length of the outer boundary ≥ 0.4.
Resumen de: EP4668438A1
A battery box (2), a battery (100), a battery mounting frame (10), a vehicle frame, and an electric apparatus, where the battery box (2) includes: a box body (20); and a first buffer member (21), arranged on an outer wall surface (201) of the box body (20), where the first buffer member (21) has a first buffer surface (211) facing away from the interior of the box body (20), and the first buffer surface (211) is configured as intersecting with both a horizontal plane and a vertical plane perpendicular to the horizontal plane.
Resumen de: EP4668390A1
The battery stack (40, 70, 80, 90, 110, 120) includes plural battery cells (50) disposed side by side in a first direction (W1), an electrode body (52) being accommodated in an exterior member (53) of each of the battery cells (50), and at least one inter-cell member (60, 72, 82, 92, 112) disposed between the adjacent battery cells (50). The exterior member (53) includes a low-stiffness region (53A), which is superposed with the electrode body (52) in the first direction (W1), and high-stiffness regions (53B) that are higher in stiffness than the low-stiffness region (53A). The high-stiffness regions (53B) are provided at end portion sides of the low-stiffness region (53A) in a second direction (W2) intersecting the first direction (W1). The inter-cell member (60, 72, 82, 92, 112) includes a first region (61, 73, 83, 93, 113) that touches the high-stiffness region (53B) and second regions (62, 74, 84, 94, 114) that touch the low-stiffness regions (53A).
Nº publicación: EP4668430A1 24/12/2025
Solicitante:
EVE ENERGY CO LTD [CN]
Eve Energy Co., Ltd
Resumen de: EP4668430A1
A power battery system (1000) and its power battery module (100) are provided. The power battery module (100) includes a plurality of cells (18), a plastic bracket (11) and a sealing cover plate (12). The plurality of cells (18) are electrically connected to form a battery group (180). At least one end portion of the cell (18) is provided with a pressure relief valve (181). The plastic bracket (11) is provided on at least one side of the battery group (180). The end portion of each cell (18) provided with the pressure relief valve (181) is arranged on the plastic bracket (11). The plastic bracket (11) is provided with pressure relief portions (111) corresponding to the pressure relief valves (181) of the cells (18). The sealing cover plate (12) covers the plastic bracket (11). The plastic bracket (11) cooperates with the sealing cover plate (12) to form a pressure relief cavity (13). An inner wall of the pressure relief cavity (13) is formed with a pressure relief protective layer (14) that is made of heat insulating materials.
BOPI
Sede Electrónica
