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1102
resultados
Última actualización
29/08/2026 [07:33:00]
Resultados 1050 a 1075 de 1102
Resumen de: EP4794059A1
Disclosed are a heating sheet of a battery cell for a thermal propagation evaluation and a thermal propagation evaluation apparatus including the same. A thermal propagation evaluation apparatus (100) according to embodiments includes a power source (130), a housing (110) including a cell occupancy space, in which a plurality of battery cells (C1-C5) including a target battery cell are disposed in parallel, and a heating sheet connected to the power source and configured to heat the target battery cell (120) in the housing, wherein the heating sheet includes a cover in a sheet shape having an area corresponding to one surface of the battery cell and a predetermined thickness and a heating member including a heating coil pattern disposed in one region inside the cover and electrically connected to the external power source, and an area of a region in which the heating coil pattern is disposed may range from 5 to 20% of an area of the cover.
Resumen de: EP4794056A1
0001 A rechargeable battery (200) includes an electrode assembly (150), and a cap plate (120) defining a terminal hole, a pair of terminals (130, 140) connected with the electrode assembly (150), one of the terminals (130, 140) including a rivet terminal (50) in the terminal hole with a seal gasket (40) between the rivet terminal (50) and the cap plate (120), a terminal plate (60) coupled to the rivet terminal (50), surrounding a part of the rivet terminal (50) at an exterior of the cap plate (120), and having an air layer (80) therein, and an insulator (70) between the cap plate (120) and the terminal plate (60), and overlapping the air layer (80) in a thickness direction of the cap plate (120).
Resumen de: EP4794008A1
0001 A solid-state battery includes a cathode layer, a solid electrolyte layer, and an anode layer. At least one of the cathode layer and the anode layer includes at least one of a first sulfide solid electrolyte containing a Li element, a P element, a S element, and carbonate ions and a composite sulfide solid electrolyte of a second sulfide solid electrolyte containing a Li element, a P element, and a S element and a carbonate.
Resumen de: EP4794006A1
0001 An anode for a lithium secondary battery includes an anode current collector, and an anode active material layer formed on the anode current collector and including an anode active material, a binder and a nitrate. A concentration gradient of the binder in a thickness direction from a top surface of the anode current collector to a top surface of the anode active material layer is 0.1 wt%/µm or less. The concentration gradient of the binder is calculated from contents of a dye adsorbed to the binder measured at multiple points along a line in the thickness direction on a cross-section of the anode active material layer through an SEM-EDS and a thickness of the anode active material layer.
Resumen de: GB2704071A
Tab assembly (1,Fig.1) for an electrochemical cell 100, comprising a first 10 and second tab 20 for connection to a first 110 and second electrode 120, with an insulator sheet 30 interposed between. The first and/or second tabs may comprise a free end portion movable relative to sealed and/or bonded polymer insulator sheet, a sealant patch on an opposite side to the insulator sheet that connect to surround a portion and be formed of different conductive materials. An electrochemical cell 100 which may be a pouch cell with a hermetic seal and may comprise a wound electrode stack comprising a separator (130,Fig.2A) sandwiched by first 110 and second electrodes 120 electrically connected to a plurality of first 111 and second foils 121 which may be electrically connected to first and second tabs in the tab assembly, along with method of manufacturing and stacking into a battery, are also defined. Figure 4
Resumen de: EP4794166A1
0001 A system for managing battery performs bidirectional charge/discharge active cell balancing of a plurality of battery cells using a single converter, thereby reducing the number of components required for active cell balancing and achieving cost and size reduction of the system for managing battery.
Resumen de: EP4794092A1
0001 A battery module according to exemplary embodiments may include battery cells, a module frame, and a first thermal barrier, wherein the module frame may accommodate the battery cells, and the module frame includes a top plate including vent holes, and the first thermal barrier may be disposed between the battery cells and the top plate.
Resumen de: EP4794043A1
This application discloses an electrochemical apparatus and an electric device, and the electrochemical apparatus includes a housing, an electrode assembly, a first adhesive member, and a second adhesive member. A first sidewall of the housing includes an internal first surface and an external second surface opposite to each other along a first direction. The electrode assembly is disposed within the housing, and the electrode assembly includes a first side surface. The first adhesive member includes a first side portion and a second side portion opposite each other, where the first side portion includes a first adhesive region bonded to the first surface, and the second side portion includes a second adhesive region, a first non-adhesive region, and a third adhesive region sequentially arranged along a second direction, and the second adhesive region and the third adhesive region are bonded to the first side surface. Along the first direction, a projection of the first non-adhesive region overlaps with a projection of the first adhesive region. The second surface is bonded to an external structure through the second adhesive member. This application is conducive to suppressing impact on corners of the housing, and facilitates reducing the risk of damage to electrode plates of the electrode assembly.
Resumen de: EP4794004A1
0001 A positive electrode for a rechargeable lithium battery includes a positive electrode current collector and a positive electrode active material layer on the positive electrode current collector. The positive electrode is a rectangle shape having a horizontal length that is longer than its vertical length and having upper and lower sides that are equal length. The positive electrode active material layer includes two trapezoidal patterns formed in its surface. The two trapezoidal patterns have short sides that are adjacent to each other, and long sides of the two trapezoidal patterns are adjacent to the upper and lower sides of the positive electrode active material layer.
Resumen de: EP4793999A1
A method and apparatus for manufacturing an electrode assembly for secondary batteries. The method includes: a notching step comprising notching at least one side of each electrode plate of a plurality of electrode plates to form at least one substrate tab on each electrode plate of the plurality of electrode plates; an inspection step comprising primarily selecting a defective product from among the electrode plates each having the at least one substrate tab, a marking step comprising removing a portion of the at least one substrate tab of the electrode plate of the plurality of electrode plates that has been primarily selected as the defective product, and a final inspection step comprising detecting the electrode plate from which the portion of the at least one substrate tab has been removed to secondarily select the defective product.
Resumen de: EP4793996A1
0001 An electrode assembly, including a plurality of first electrode plates, a plurality of second electrode plates spaced apart from the plurality of first electrode plates, separators between the plurality of first electrode plates and the plurality of second electrode plates, and first electrode tabs connected to the plurality of first electrode plates, wherein the first electrode tabs include a plurality of first inner electrode tabs connected to some of the plurality of first electrode plates and a plurality of first outer electrode tabs connected to others of the plurality of first electrode plates, the plurality of first inner electrode tabs and the plurality of first outer electrode tabs being spaced apart from the plurality of first electrode plates.
Resumen de: EP4794034A1
0001 An electrode assembly (100) includes first and second electrodes (110, 120), and a separator (130), the first electrode (110) including a first substrate (S1) including a first active material layer (AM1) and a first non-coated part (NC1), a second substrate (S2) including a first active material layer (AM1) and a second non-coated part (NC2), a first central substrate (CS1) between the other surface of the first substrate (S1) and the other surface of the second substrate (S2), and a first substrate tab (ST1) extending from one end of the first central substrate (CS1), wherein the second electrode (120) includes a third substrate (S3) including a second active material layer (AM2) and a third non-coated part (NC3), a fourth substrate (S4) including a second active material layer (AM2) and a fourth non-coated part (NC4), a second central substrate (CS2) between a portion of the other surface of the third substrate (S3) and the fourth substrate (S4), and a second substrate tab (ST2) extending from one end of the second central substrate (CS2).
Resumen de: EP4794011A1
Provided are a positive electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the positive electrode. The positive electrode for a rechargeable lithium battery has a structure in which a positive electrode current collector, a functional layer, and a positive electrode active material layer are stacked. The functional layer includes a lithium iron phosphate-based compound and a binder.
Resumen de: EP4794051A1
Die Erfindung betrifft eine Akkumulatorzelle für einen Bleiakkumulator, mit einem Zellengehäuse (2) und einem das Zellengehäuse (2) fluiddicht verschließenden Zellendeckel (3), wobei innerhalb des Zellengehäuses (2) einander abwechselnd positive und negative Elektrodenplatten (5, 4) sowie ein die Elektrodenplatten (5, 4) umgebender Elektrolyt angeordnet sind, wobei die positiven und die negativen Elektrodenplatten (5, 4) jeweils an wenigstens einen gemeinsamen Pol (10, 11; 8, 9) mittels jeweiliger Polbrücke (7, 6) elektrisch angeschlossen sind und wobei der positive Pol (10, 11), der über die zugehörige Polbrücke (7) mit den positiven Elektrodenplatten (5) verbunden ist, aus einer Bleilegierung in Form von Hartblei gebildet ist, dadurch gekennzeichnet, dass die Polbrücke (7), die die positiven Elektrodenplatten (5) mit dem positiven Pol (10, 11) verbindet, aus Reinblei gebildet ist, und dadurch, dass eine Rückhalteeinrichtung vorgesehen ist, die dazu eingerichtet ist, vom positiven Pol (10, 11) abgeplatzte Partikel aufzufangen und so einen Kontakt der Partikel mit den Elektrodenplatten (5, 4) zu verhindern.
Resumen de: EP4794007A1
0001 An electrode sheet, an electrode assembly, a battery cell and a preparation method therefor, a battery, and an electric device, relating to the technical field of batteries. A protective layer is provided on at least the surface of an end portion of the electrode sheet, and the protective layer comprises silicon oxide; and on the basis of the total mass of all elements of a first position of the electrode sheet, the mass content A of an Si element satisfies: A is less than 0.01 wt%, and the first position is a position 5 mm distant from the surface of the end portion.
Resumen de: EP4794001A1
0001 The present disclosure relates to a cathode for a lithium secondary battery including a cathode current collector; and a cathode composite layer formed on the cathode current collector, wherein the cathode composite layer includes a first cathode composite layer on a side of the cathode current collector, and a second cathode composite layer on a surface side of the cathode composite layer, wherein the first cathode composite layer includes a first cathode active material of lithium transition metal composite oxide particles in forms of secondary particles in which primary particles are aggregated, and a binder, wherein the second cathode composite layer includes a second cathode active material of lithium transition metal composite oxide particles in forms of single particles, and a binder.
Resumen de: EP4793998A1
Disclosed are a positive electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the positive electrode. The positive electrode for a rechargeable lithium battery includes a substrate, and a positive electrode active material layer on the substrate. The positive electrode active material layer includes MXene, a solid electrolyte, and a positive electrode active material. A distribution of the solid electrolyte increases from the lower portion to the upper portion of the positive electrode active material layer.
Resumen de: EP4794099A1
An electrode assembly according to some embodiments may include a first electrode, a second electrode, and a separator between the first electrode and the second electrode. The separator may include a protrusion protruding from the first electrode and the second electrode, and a protective layer may be disposed on the protrusion.
Resumen de: EP4794097A1
0001 Provided is a battery module. The battery module includes a plurality of battery cells, a housing accommodating the plurality of battery cells, and a vent part arranged in a portion of the housing, wherein the vent part includes an outer hopper arranged through the housing, an inner surface of the outer hopper defines a vent hole penetrating the housing, and a diameter of the vent hole increases toward outside of the battery module.
Resumen de: EP4794066A1
0001 A secondary battery includes a case, an electrode assembly inside the case, a cap plate coupled to the case, the cap plate sealing the case, a tab member extending from the electrode assembly in a first direction, a terminal protruding outward from the cap plate, the terminal facing the tab member, a support plate in the tab member in a second direction intersecting the first direction, and a connecting member between the tab member and the terminal, the connecting member connecting the tab member and the terminal.
Resumen de: EP4794068A1
0001 Halbzeug zum Ausbilden eines Gehäuseelements (100) einer Zelleinheit (200), aufweisend: ein Grundelement (12) und ein erstes Seitenelement (14), ein zweites Seitenelement (16), und ein drittes Seitenelement (18), wobei das erste Seitenelement (14) und das zweite Seitenelement (16) am Grundelement (12) an einander gegenüberliegenden Seiten angeordnet sind, und das dritte Seitenelement (18) am zweiten Seitenelement (16) an einer zum Grundelement (12) gegenüberliegenden Seite angeordnet ist, wobei das Grundelement (12), das erste Seitenelement (14), das zweite Seitenelement (16) und das dritte Seitenelement (18) in einer Ebene (23) angeordnet sind und wobei das Grundelement (12), das erste Seitenelement (14), das zweite Seitenelement (16) und das dritte Seitenelement (18) eingerichtet sind, einen umfänglich geschlossenen, fluiddichten Hauptkörper zu bilden, in welchem ein Zellelement (302) der Zelleinheit anordenbar ist.
Resumen de: EP4794067A1
0001 A rechargeable battery includes an electrode assembly including a positive electrode, a negative electrode, and a separator, a case accommodating the electrode assembly therein, a linear welding portion extending across a first surface among a plurality of surfaces of the case along a first direction, the linear welding portion having two sides, and a protruding extension on at least one of the two sides of the linear welding portion along a second direction crossing the first direction, the protruding extension protruding from the first surface and extending along the first direction.
Resumen de: EP4794039A1
A battery cell of the present invention includes a wound electrode stack, wherein the electrode stack includes a plurality of positive electrodes and a plurality of negative electrodes, and for at least two of the electrodes, the winding center of the electrode with a lower active material loading amount is located inward of the winding center of the electrode with a higher active material loading amount.
Resumen de: EP4794000A1
The present invention relates to a method for manufacturing a pre-lithiated negative electrode capable of suppressing formation of by-products during a pre-lithiation process, the method including the steps of preparing a negative electrode including a negative electrode active material layer having a moisture content of 800 ppm or more and provided on at least one surface of a negative electrode current collector layer; and bringing a transfer stack including a lithium metal layer and a base layer into contact with one surface of the negative electrode active material layer, with the lithium metal layer facing the one surface, and also relates to a lithium secondary battery including a pre-lithiated negative electrode manufactured therefrom.
Nº publicación: EP4794084A1 19/08/2026
Solicitante:
EVE ENERGY CO LTD [CN]
Eve Energy Co., Ltd.
Resumen de: EP4794084A1
The present application provides a protective plate, a battery box, a battery module, and a battery pack. The protective plate includes a first protective layer, a reinforcement layer, a buffer layer, and a second protective layer stacked along a first direction. The reinforcement layer and the buffer layer are stacked between the first protective layer and the second protective layer. The buffer layer includes multiple first buffer grooves and multiple second buffer grooves, the multiple first buffer grooves and the second buffer grooves are arranged on two opposite sides of the buffer layer, and the multiple first buffer grooves and the multiple second buffer grooves are distributed in a staggered manner.
BOPI
Sede Electrónica
