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1111
resultados
Última actualización
26/08/2025 [07:12:00]
Resultados 350 a 375 de 1111
Resumen de: EP4604260A1
A method of manufacturing a cell test apparatus, the method comprising, determining by analyzing heat generated from a battery module including a plurality of cells, a thickness of a thermal-insulation layer of the cell test apparatus simulating the battery module and including one or more target cells therein, determining by analyzing a structure of the battery module, a thickness of an outer wall of the cell test apparatus; and determining a length of a spacer of the cell test apparatus.
Resumen de: EP4604308A1
A secondary battery comprises an electrode assembly, a subplate assembly including a subplate connected to the electrode assembly and a current collector coupled to a surface of the subplate, and a cap assembly coupled to the subplate assembly. The cap assembly comprises a cap plate and at least one open area is formed in the cap plate such that a portion of the subplate is uncovered by the cap plate.
Resumen de: EP4604230A1
A secondary battery includes an electrode assembly, a subplate connected to the electrode assembly. The secondary battery also includes current collector having a planar portion coupled to the subplate, a protruding portion protruding from the planar portion, and a projection provided on a top surface of the protruding portion. A terminal plate is coupled to the current collector and a hole is formed in the terminal plate, wherein the projection extends through the hole.
Resumen de: EP4604277A1
A secondary battery comprises an electrode assembly, a case accommodating the electrode assembly, a subplate assembly coupled to a first side of the electrode assembly, and a cap assembly coupled to the subplate assembly. The subplate assembly comprises a subplate connected to the electrode assembly and a current collector coupled to the subplate, and the case comprises a bottom portion, a side portion connected to the bottom portion, and a cover facing the bottom portion. The cover is welded to the side portion of the case.
Resumen de: EP4604225A1
Disclosed is a winding device in the present disclosure. The winding device includes a material-placing mechanism, a mounting table, a winding member and a restraining member, wherein the material-placing mechanism is configured to convey a material strip; the winding member includes a winding needle base and a plurality of winding needles provided on the winding needle base, the winding needle base is rotatably provided on the mounting table, with a winding needle gap formed between the plurality of winding needles and configured to allow the material strip to pass through; the restraining member is provided outside the winding needle gap and configured to fix the material strip protruding from the winding needle gap with a preset force F1, a winding tension applied to the material strip when the winding needle base drives the winding needle to rotate is F2, and F1 is less than F2 so as to wind both a preset length of the material strip and the material strip protruding from the winding needle gap onto the winding needle when the winding needle base drives the winding needle to rotate. The winding device provided by the present disclosure can ensure the winding performance for small-sized cells.
Resumen de: EP4604267A1
The present application discloses a heat exchange assembly, a battery and an electrical device. The heat exchange assembly includes a current collecting piece and a plurality of heat exchange pieces. The heat exchange piece is constructed with a first flow channel and a first joint portion communicating with the first flow channel. The current collecting piece is constructed with a second flow channel and a plurality of second joint portions. The plurality of second joint portions each communicate with the second flow channel and are configured to be connected to the first joint portions of the plurality of heat exchange pieces respectively, such that the second flow channel of the current collecting piece communicates with the first flow channels of the plurality of heat exchange pieces. When the heat exchange assembly and battery units form a group, the assembly procedure is simple, and the assembly and fabrication efficiency is high.
Resumen de: EP4604246A1
A battery including a laminate composed of a positive electrode layer and a solid electrolyte layer, in which the positive electrode layer contains a positive electrode active material and a solid electrolyte material, the solid electrolyte material contains an alkali metal element, a metal element or metalloid element except the alkali metal element, and a halogen element, and when the laminate is punched into a cylindrical shape having a diameter of 10 mm to prepare a test piece and the test piece is sandwiched between two SUS plates and subjected to impedance measurement, a resistance value is 1000 Ω or less.
Resumen de: EP4604299A1
The present application provides a separator, comprising: a first base membrane and a second base membrane. The melting point of the second base membrane is less than that of the first base membrane; the transverse elongation at break of the second base membrane is greater than the longitudinal elongation at break of the second base membrane, and the longitudinal elongation at break of the second base membrane is less than 100%. According to the separator provided in the present application, the nail piercing performance of the separator can be effectively improved, and metal dendrites are prevented from penetrating the separator to cause a short circuit, thereby improving the reliability of the secondary battery.
Resumen de: EP4604294A1
A battery pack of the present disclosure includes at least one cell assembly including a plurality of battery cells; an enclosure that accommodates the cell assembly and has an insertion portion provided in a form where an outer surface thereof is recessed in an inward direction along a longitudinal direction; and a rod-shaped reinforcing member inserted into the insertion portion.
Resumen de: EP4604261A1
L'invention concerne un ensemble (1) de cellules (10) d'une batterie, l'ensemble (1) comprenant une pluralité de cellules (10) configurées pour être accolées successivement deux à deux suivant un axe d'assemblage (A) dans une position assemblée de l'ensemble (1) de cellules (10), chaque cellule (10) comprenant : un boitier (100) comprenant au moins une première et une deuxième parois latérales (103A, 103B) s'étendant parallèlement entre elles et orthogonalement à l'axe d'assemblage (A) dans la position assemblée ; un premier terminal (11) et un deuxième terminal (12) ; l'ensemble de cellules (1) étant caractérisé en ce qu'il comprend un circuit de surveillance (200) configuré pour détecter au moins une donnée prédéterminée de chaque cellule (10) de l'ensemble de cellules (1), le circuit de surveillance (200) comprenant une pluralité de languettes d'interconnexion (210), chaque languette d'interconnexion (210) étant destinée à recouvrir, au moins en partie, au moins un terminal (11) de l'une des cellules de chaque paire de cellules adjacentes.
Resumen de: EP4604209A1
Provided in the present application is a silicon-based negative electrode active material. The silicon-based negative electrode active material includes silicate containing alkaline earth metal elements, and the silicon-based negative electrode active material contains both K element and P element.
Resumen de: EP4604202A1
A silicon-based negative electrode active material, comprising Si and MSiO3, where M comprises one or more alkaline earth metal elements, has, in an XRD diffraction pattern of the silicon-based negative electrode active material, a first diffraction peak at a diffraction angle 20 between 26° and 26.8° having a half peak width of βA, and a second diffraction peak at a diffraction angle 2θ between 31° and 32° having a half peak width of βB, where in the silicon-based negative electrode active material, it has 1.5 ≤ βA / βB ≤ 5.0.
Resumen de: EP4604302A1
A battery cell, a battery, an electric device, and an assembly method for a battery cell. The battery cell comprises: a case assembly, which comprises a case and first post terminals, wherein the case comprises a case body and a case cover, the case body having an opening, the case cover covering the opening, and the case body being provided with the first post terminals; and a battery cell assembly, which comprises an active substance coating portion and electrically conductive portions, wherein the active substance coating portion is accommodated in the case body, and the electrically conductive portions are electrically connected to the active substance coating portion and the first post terminals. The present application can reduce the probability of cracking occurring at a weld joint between the case body and the case cover during use of the battery, thereby improving the reliability of the battery cell.
Resumen de: EP4604254A1
The embodiment of the present application provides an electrode assembly, a battery cell, a battery, and an electric apparatus, which belong to the technical field of batteries. Here, the electrode assembly comprises a plurality of structural units laminated in a first direction, the structural unit comprising a first plate and a second plate. The first electrode plate comprises a bending section and a plurality of straight sections, and two adjacent straight sections are spaced apart in a first direction and connected to one bent section. The second plate has a polarity opposite to that of the first plate, and alternates with the straight sections in the first direction. This structure can reduce the deflection of the electrode assembly during molding, thereby reducing the risk of misalignment between the plates to improve the reliability of the electrode assembly.
Resumen de: EP4603253A1
A molding apparatus according to an embodiment of the present invention may mold a cup part in a pouch film. A molding apparatus may include: a die in which a first opening is defined; a stripper disposed to fix the pouch film, above the die and having a second opening at a position corresponding to the first opening; an upper punch configured to press the pouch film through the second opening; and a lower punch configured to press the pouch film through the first opening between an outer circumference of the upper punch and an inner circumference of the second opening.
Resumen de: EP4604309A1
A battery pack according to the present disclosure includes a plurality of battery modules; a pack tray accommodating the battery modules and having an open top; a pack cover disposed on top of the pack tray to hermetically seal an accommodation space in which the battery modules are received; and an electrical connection disconnection portion disposed between the pack tray and the pack cover to electrically connect and support a module connection busbar connecting the battery modules, and separate the connection of the module connection busbar to disconnect the electrical connection between the battery modules when a thermal event occurs.
Resumen de: EP4604214A1
A blend of cathode active materials for a cathode of an electrochemical cell, consisting of:i) from 10% to 90% by weight of a NMX active material in relation to the total weight of the cathode active material, said NMX active material of formula Li<sub>a</sub>Ni<sub>b</sub>Mn<sub>c</sub>X<sub>d</sub>O<sub>2</sub>; andii) from 10% to 90% by weight of a LFMP active material in relation to the total weight of the cathode active material, of formula Li<sub>e</sub>Fe<sub>f</sub>Mn<sub>g</sub>D<sub>h</sub>(PO<sub>4</sub>).
Resumen de: EP4604232A1
L'invention concerne un boitier (100) de cellule (10) pour une cellule de batterie et une celle de batterie associée, le boitier (100) comprenant une première (101) et une deuxième (102) parois d'extrémité et quatre parois latérales (103A, 103B, 104A, 104B) s'étendant parallèlement entre elles deux à deux et parallèlement à un axe de référence (X) depuis la première paroi d'extrémité (101) jusqu'à la deuxième paroi d'extrémité (102), le boitier (100) étant caractérisé en ce qu'il comprend : un premier orifice principal (111) s'étendant dans un premier plan de référence (P1) coplanaire à une première paroi latérale (103A) du boitier (100) parmi la pluralité de parois latérales ; et un deuxième orifice principal (112) s'étendant dans un deuxième plan de référence (P2) coplanaire à une deuxième paroi latérale (103B) du boitier (100), la deuxième paroi latérale (103B) étant parallèle à la première paroi latérale (103A) du boitier (100) ; chacun des premier (111) et deuxième (112) orifices principaux étant configuré pour accueillir respectivement un premier (11) et un deuxième (12) terminal de la cellule (10) de batterie.
Resumen de: EP4604233A1
L'invention concerne un godet (20) pour un boitier (100) d'une cellule (10) de batterie, le godet (20) comprenant au moins deux parois latérales (103A, 103B) s'étendant parallèlement entre elles et parallèlement à un axe de référence (X), le godet (20) étant caractérisé en ce qu'il comprend : un premier orifice principal (111) formé sur une première (101) des deux parois latérales et configuré pour accueillir un premier terminal (11) de cellule (10) ; et un deuxième orifice principal (112) formé sur une deuxième (102) des deux parois latérales, le deuxième orifice (112) étant configuré pour accueillir un deuxième terminal (12) de cellule (10).
Resumen de: EP4604248A1
L'invention concerne un couvercle (21) pour une cellule (10) de batterie du type comprenant un godet (20) fermé par au moins un couvercle (21), le couvercle (21) étant caractérisé en ce qu'il comprend : une paroi d'extrémité (211) ; et au moins deux parois latérales (213A, 213B) s'étendant parallèlement entre elles et parallèlement à un axe de référence (X1) du couvercle (21) depuis la paroi d'extrémité (211) jusqu'à un rebord de raccordement (212) présentant un contour fermé et délimitant une ouverture (212') destinée à être raccordée au godet (20) de la cellule (10), le couvercle (21) étant caractérisé en ce que la paroi d'extrémité (211) et les parois latérales (213A, 213B) délimitent ensemble un espace intérieur (321), une première (213A) des deux parois latérales (213A, 213B) du couvercle (21) comprenant un orifice principal (111) traversant configuré pour accueillir un terminal (11) de cellule (10).
Resumen de: WO2025120538A1
The invention relates to a cooling device (10) for a pouch cell (100d) of an electric-battery module (100), the device (10) comprising an electrically insulating strip (11) equipped with slots (2a, 2b, 2c, 2d, 2e, 2f, 2g) traversed by an electrode (4d), the device (10) comprising at least one metal flange (1d) arranged between two of the slots (2d, 2e) and comprising a surface covered by a thermal interface material (3d) for thermally connecting the metal flange (1d) to a plate (110) of the electric-battery module (100), the plate being capable of being thermally regulated actively. The invention also relates to an electric-battery module (100) comprising the cooling device (10), an electric battery (100), an electric battery comprising the module (100) and a method for manufacturing the cooling device (10).
Resumen de: EP4604241A1
Embodiments of this application provide a sodium battery cell, a battery, and a power consuming apparatus. The sodium battery cell includes: a negative electrode plate, a positive electrode plate, and an electrolyte solution. The negative electrode plate includes a negative electrode current collector and a negative electrode film layer. The positive electrode plate includes a positive electrode current collector and a positive electrode film layer. At least one of the negative electrode film layer, the positive electrode film layer, and the electrolyte solution includes a lithium-containing compound. The technical solution of this application can improve the cycle performance of the sodium battery cell.
Resumen de: EP4604270A1
This application provides an energy storage system. The energy storage system may include a cabinet and a liquid cooling unit. The cabinet may include a cabinet door and a cabinet body that are disposed in a hinged connection manner, and the cabinet door may be opened or closed relative to the cabinet body. The cabinet body may include a battery compartment and a power compartment. A battery module is disposed in the battery compartment, and a power module is disposed in the power compartment. The liquid cooling unit is disposed on a side that is of the cabinet door and that faces the cabinet body. The liquid cooling unit is connected to the battery module through a first liquid outlet pipe and a first liquid return pipe, and the liquid cooling unit is connected to the power module through a second liquid outlet pipe and a second liquid return pipe. In the energy storage system provided in this application, the battery module, the power module, and the liquid cooling unit are all disposed in the cabinet, so that integration of the energy storage system can be effectively improved, and mounting and maintenance efficiency of the energy storage system can be improved.
Resumen de: EP4604315A1
This application discloses a battery and an electrical device. The battery includes: a box, where an accommodation cavity is disposed in the box; a battery cell, disposed in the accommodation cavity, where the battery cell is provided with a pressure relief mechanism; and a support beam, where the support beam is disposed in the accommodation cavity, the support beam is provided with a liquid discharge cavity and a liquid inlet, and the liquid inlet communicates to the liquid discharge cavity so that a liquid in the battery cell discharged into the accommodation cavity through the pressure relief mechanism is able to be discharged from the liquid inlet into the liquid discharge cavity.
Nº publicación: EP4604258A1 20/08/2025
Solicitante:
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD [HK]
Contemporary Amperex Technology (Hong Kong) Limited
Resumen de: EP4604258A1
The present application relates to an energy storage system and a management method therefor. The energy storage system includes a battery system, a battery management system, and an energy storage converter, the battery system includes a plurality of battery clusters, the battery management system includes a plurality of cluster-level battery management units, the plurality of cluster-level battery management units are communicatively connected to each other, the cluster-level battery management units are connected to the battery clusters in a one-to-one correspondence mode, the energy storage converter is connected to the plurality of battery clusters, and the energy storage converter is communicatively connected to at least one of the cluster-level battery management units. The energy storage system provided by the present application can save hardware costs.
BOPI
Sede Electrónica
