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965
resultados
Última actualización
02/09/2025 [07:09:00]
Resultados 800 a 825 de 965
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: 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: 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: 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: 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: 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: 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: 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: EP4603319A1
The present invention relates to a handling support (2) suitable for handling thermal conduction plates (1) of battery cells. The thermal conduction plates (1) are plates adapted to transfer heat, either for cooling or heating, to or from electric energy storage cells in batteries. The installation of these plates (1) requires precise handling for the final positioning thereof inside the battery and the handling may furthermore consist of the handling of a large number of plates (1) either one by one or in groups of plates (1). The preferably automated handling requires handling means (2) that allow picking up and suitably positioning each of the thermal conduction plates (1). According to the invention, these means (2) are formed by a support part (2) which is coupled to the thermal conduction plate (1).
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: EP4604313A1
Provided is a battery, including first and second battery cells, a packaging film and a separator. The packaging film includes first and second film housings, the separator is disposed between the first and second film housings, the first and second film housings are separated by the separator, and first and second accommodating cavities that are arranged in parallel are formed by the separator. The first battery cell is accommodated within the first accommodating cavity, and the second battery cell is accommodated within the second accommodating cavity. A plurality of sealing edges are formed by the first and second film housings and the separator, and the plurality of sealing edges include a first sealing edge where tabs of the first and second battery cells are located. A thickness of a hot melt adhesive on the first sealing edge at a side, close to the separator, of a tab of each battery cell of at least one of the first and second battery cells is greater than a thickness of a hot melt adhesive on the first sealing edge at a side, away from the separator, of the tab of the battery cell, which ensures that a certain distance is maintained between a packaging film and a non-separator side of a tab after sealing, so as to reduce a risk of contact short circuits at the tab, thereby improving a safety of a battery.
Resumen de: EP4604201A1
The present disclosure provides a positive electrode active material and a preparation method therefor, a positive electrode sheet, a battery and an electric device. The positive electrode active material comprises: a core; and a carbon coating layer which covers at least part of the surface of the core, the molar ratio of sp<sup>3</sup> hybridized carbon atoms to sp<sup>2</sup> hybridized carbon atoms in the carbon coating layer being not less than 0.5.
Resumen de: EP4604259A1
A computer system (122) for thermal runway detection in an electrical energy storage device (102) comprising: a high voltage electrical energy storage device (102), a low voltage electrical energy storage device (104), thermal runaway detection sensors (1061, 106n) configured to detect thermal runaway events in cells or modules of the high voltage electrical energy storage device, the low voltage electrical energy storage (104) supplying power to the thermal runaway detection sensors (106) via a first power supply line (108), a first switch (110) in the first power supply line (108) between the low voltage electrical energy storage device and the thermal runaway detection sensors, a second switch (114) in a power supply line between the high voltage electrical energy storage device and the thermal runaway detection sensors, the computer system comprising processing circuitry (120) configured to: in response to a first condition, open the second switch (114) and engage the first switch (110), whereby the thermal runaway detection sensors (106) are powered by the low voltage electrical energy storage device (104), and in response to a second condition, open the first switch (110) and engage the second switch (114), whereby the thermal runaway detection sensors are powered by the high voltage electrical energy storage device (102).
Resumen de: EP4604269A1
A cooling system (100) for a battery pack (200), e.g. of a vehicle, comprising:- a liquid coolant supply conduit (101),- a cooling conduit (102) configured to carry a liquid coolant for cooling of the battery pack, wherein the cooling conduit is configured to be fluidly connected to the liquid coolant supply conduit at a joint (103), such that liquid coolant can pass between the liquid coolant supply conduit and the cooling conduit via an interior (104) of the joint,- a monitoring circuit (120) comprising an electrically conducting device (121) disposed externally of the j oint, wherein the monitoring circuit is configured to detect a leak of the liquid coolant at the joint via the electrically conducting device, such as by the electrically conducting device comprising a discontinuity (122) configured to be overbridged by a liquid coolant droplet leaking from the joint.
Resumen de: EP4603727A1
The invention relates to an assembly (10; 10a), having an extruded profile (14) formed from aluminum, in which at least one channel (20) is formed in the direction of a longitudinal axis (18) of the extruded profile (14), having a closing device (35; 35a) for sealing an end-face end region (22) of the extruded profile (14), wherein the closing device (35; 35a) protrudes into an opening (24) of the extruded profile (14) formed in the end-face end region (22) of the extruded profile (14).
Resumen de: EP4604247A1
The present invention provides a solid-state battery that more sufficiently suppresses an increase in interface resistance and a decrease in discharge capacity due to the use in a high-temperature environment. The present invention relates to a solid-state battery including: a positive electrode layer; a negative electrode layer; and a solid electrolyte layer disposed between the positive electrode layer and the negative electrode layer, in which the positive electrode layer includes a positive electrode active material having a layered rock salt type structure and an oxide having a garnet type structure, the positive electrode active material contains at least one of Mg (magnesium) or Al (aluminum), and the oxide does not contain Al (aluminum).
Resumen de: EP4604272A1
A heat exchange component, a box, a battery, and an electrical apparatus are provided. The heat exchange component applied to the battery includes a body. The body includes a plurality of chambers extending through the body in a second direction, the plurality of chambers being arranged along a first direction. The plurality of chambers comprise an edge chamber located at an end of the body in the first direction, and a non-edge chamber located at a side of the edge chamber toward a center of the body. A cross-sectional area of the edge chamber perpendicular to the second direction is smaller than that of the non-edge chamber perpendicular to the second direction, so as to reduce the capacity of a heat exchange medium in the edge chamber, thereby mitigating the problem that the reliability of the battery is reduced by short circuits in the battery caused by condensation of air moisture into droplets due to the excessively low temperature of the body at the edge chamber.
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: EP4602660A1 20/08/2025
Solicitante:
CENTRE NAT RECH SCIENT [FR]
UNIV AMIENS PICARDIE JULES VERNE [FR]
UNIV LILLE [FR]
ECOLE NAT SUPERIEURE DES ARTS ET INDUSTRIES TEXTILES [FR]
Centre National de la Recherche Scientifique,
Universit\u00E9 Amiens Picardie Jules Verne,
Universit\u00E9 de Lille,
Ecole Nationale Sup\u00E9rieure Des Arts Et Industries Textiles
Resumen de: WO2024079430A1
The subject matter of the present invention is a method for producing such components, the components that can be obtained by this method and the use of these components in the production of a liquid organic electrolyte electrochemical cell.
BOPI
Sede Electrónica
