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902
resultados
Última actualización
02/01/2026 [07:08:00]
Resultados 25 a 50 de 902
Resumen de: EP4672371A1
The present invention discloses a fibrous silicon-carbon composite material and a preparation method therefor. The fibrous silicon-carbon composite material includes a core-shell structure, where a core of the core-shell structure includes a porous carbon fiber and nano-silicon, and a shell of the core-shell structure includes an inorganic lithium salt and amorphous carbon. The present invention has a characteristic of high electronic conductivity, and a lithium-ion battery to which the present invention is applied exhibits an excellent rate capability and excellent cycle performance.
Resumen de: EP4672391A1
Pressing device for a battery cell stack (10) comprising a plurality of prismatic or pouch-type battery cells (11), the pressing device (1) comprising a first pressure plate (2) and a second pressure plate (3), and a first side structure (4) and a second side structure (5) configured to be fixed to the first and the second pressure plate (2, 3). The first side structure (4) and the second side structure (5) expand and are compressed in the stacking direction with an increase and a decrease in the thickness of the battery cells (11) respectively, and comprise a plurality of deformable elements (7) which for each width of the first side structure (4) and the second side structure (5) behave as deformable elements of positive stiffness, negative stiffness, or zero stiffness.
Resumen de: EP4672288A1
Ein elektrochemisches Energiespeicherelement 100 umfasst ein einen Innenraum 103 umschließendes Gehäuse mit einem Gehäuseboden 104 und einem Gehäusedeckel 102, die jeweils eine in den Innenraum 103 weisende Innenseite und eine Außenseite aufweisen, und einem einwandigen Gehäusemantel 105. In dem Innenraum 103 angeordnet sind mindestens eine positive und mindestens eine negative Elektrode, die über einen Elektrolyten miteinander verbunden sind. Der Gehäuseboden 104 oder der Gehäusedeckel 102 weisen ein Loch 107 auf. Auf der Innenseite des Gehäusebodens 104 oder des Gehäusedeckels mit dem Loch 107 ist eine Isolierschicht 108 um das Loch 107 herum angeordnet. Ein Metallplättchen 109, das an dieser Innenseite, nur getrennt durch die Isolierschicht 108, anliegt, bildet einen Lochboden, der das Loch 107 auf der Innenseite verschließt. Ein Stromleiter 110, der mit einer der Elektroden elektrisch verbunden ist, ist an die dem Loch 107 abgewandte Seite des Metallplättchens 109 angebunden. Neben dem Energiespeicherelement 100 werden auch Verfahren zu seiner Herstellung beschrieben.
Resumen de: EP4672546A1
A battery module and an aerosol provision device comprising such a battery module is described. The battery module includes a battery and one or more electric circuit that are responsive, at least in part, to an input, to cause a persistent change in the one or more circuits to prevent charging of the battery and/or to prevent transfer of electrical power from the battery to the aerosol provision device.
Resumen de: EP4672359A1
The present invention relates to batteries, such as lithium, sodium or zinc batteries. In particular, the present invention relates to an electrode material comprising at least one electroactive material and at least one polymeric material. The invention also relates to an electrode comprising said electrode material and to a battery comprising said electrode.The invention is also directed to a method of manufacturing said electrode material, the method comprising at least one step of mixing the polymeric material with the electroactive material, thereby obtaining the electrode material, and optionally at least one step of pouring the obtained electrode material on a current collector.
Resumen de: WO2024191577A2
A lighting device energy storage (LDES) unit includes a LDES unit housing, a battery pack in the LDES unit housing, including a battery pack housing, a plurality of energy storage devices of a plurality of different types located in the battery pack housing, and a battery management system (BMS) unit electrically coupled to the plurality of energy storage devices and configured to manage an operation of the plurality of energy storage devices.
Resumen de: EP4672475A1
The present application provides a separator, a battery and an electric device. The separator comprises a porous base material, and a first coating and a second coating which are respectively located on the two surfaces of the porous base material; when the separator is used for a battery, the first coating faces a negative electrode, and the second coating faces a positive electrode; the first coating comprises first particles, the first particles comprise a solid electrolyte, and the content of the first particles in the first coating is greater than 50 wt%; the second coating comprises second particles, the second particles comprise inorganic particles capable of reacting with lithium dendrites, and the content of the second particles in the second coating is greater than 50 wt%.
Resumen de: EP4672413A1
The present application provides an electrolyte, a battery, and an electrical device, the electrolyte comprises a solvent and an electrolytic salt dissolved in the solvent, the solvent comprises a first solvent comprising an ether solvent, and the ether solvent has a molecular structure in which the α-carbon atom directly bonded to an oxygen atom in an ether-oxygen bond function group does not have a hydrogen atom directly bonded to the α-carbon atom.
Resumen de: EP4672383A1
A power consuming device, comprising a secondary battery. The secondary battery comprises an electrode sheet, the electrode sheet comprises a current collector and a positive electrode active material disposed on the current collector. The current collector is used to carry an electrode active material and comprises a foil material and a conductive coating disposed on two opposite sides of the foil material. The conductive coating comprises a conductive material dense region and a plurality of recessed less adhesive regions arranged at intervals in the conductive material dense region, the conductive material dense region comprises a conductive material and a binder, and the conductive material comprises a granular conductive agent. At least part of each recessed less adhesive region does not comprise a binder, and at least part of the region does not comprise a granular conductive material.
Resumen de: EP4672382A1
The present invention relates to an all-solid battery comprising: a casing comprising a tubular body comprising a first through hole, an outer tubular surface and an inner tubular surface defining an internal volume of the tubular body, first and planar case portions each comprising a through hole arranged to match the first through hole of the tubular body; a first and second metallic conductors comprising a hollow tubular body and provided coaxially within the internal volume of the tubular body of the casing and provided adjacent to the outer tubular surface and the inner tubular surface of the tubular body of the casing, respectively; a first cell unit comprising a first cathode current collector, a first cathode adjacent to the cathode current collector, a first solid state electrolyte (SSE) adjacent to the first cathode, optionally a first anode adjacent to the first SSE, and a first anode current collector adjacent to the first anode, wherein each component of the first cell unit comprises a hollow tubular body and is provided coaxially within the internal volume of the tubular body of the casing.
Resumen de: EP4672545A1
A battery module is described that is connectable to an aerosol provision device for generating aerosol. The battery module comprises a battery (for providing electrical power to the aerosol provision device), a data storage medium, and a controller (configured to obtain and store battery data in the data storage medium).
Resumen de: EP4671212A1
A positive electrode active material of the present invention is capable of improving capacity and lifetime of a battery simultaneously, a battery of the present invention can have improved capacity and lifetime simultaneously, a method of the present invention is able to manufacture a positive electrode active material capable of improving capacity and lifetime of a battery simultaneously.
Resumen de: EP4672428A2
The energy storage device includes a housing assembly and a battery. The housing assembly includes a top shell, an intermediate shell and a bottom shell. The intermediate shell is located between the top shell and the bottom shell, and is respectively connected to the top shell and the bottom shell. An air inlet space is formed between the intermediate shell and the top shell, and an air outlet space is formed between the intermediate shell and the bottom shell. The top shell is provided with an air inlet connected to the air inlet space, the intermediate shell is provided with an air supply port connected to the air inlet space and the air outlet space, the bottom shell is provided with an air outlet connected to the air outlet space, and the battery is built in the air outlet space. The air supply port is provided with a fan assembly.
Resumen de: EP4672454A1
A battery module includes a battery box (H), a plurality of cells (B), and a firefighting material (E). The battery box (H) includes a box body (10), a cover (20), and a pressure relief valve (30). The cover (20) is arranged on an opening (12) of the box body (10). The cover (20) includes a flow channel (P) and a first surface (211) and a second surface (221) opposite to each other. The flow channel (P) is provided between the first surface (211) and the second surface (221). Two ends of the flow channel (P) are respectively in communication with a first pressure relief hole (2111) of the first surface (211) and the second pressure relief hole (2211) of the second surface (221). The pressure relief valve (30) is arranged in the first pressure relief hole (2111). The cells (B) are accommodated in the accommodating space (11) of the box body (10). The firefighting material (E) is accommodated in the accommodating space (11) and distributed around the cells (B). The disclosure further provides a battery box (H) of a battery module.
Resumen de: EP4672463A1
Embodiments of the present application provide a battery, an electrical device, and an energy storage device, which is capable of improving the use performance of the battery. The battery includes: a battery cell, a first wall of the battery cell being provided with a pressure relief mechanism; a support component configured to support the battery cell, the support component including a first support component and a second support component that are connected, the first support component and the second support component being located on the same side of the battery cell, the first support component being located between the first wall and the second support component and attached to the first wall, the first support component being provided with a first through hole corresponding to the pressure relief mechanism, and the second support component being provided with a second through hole corresponding to the pressure relief mechanism; and a first protective component, the first protective component being configured to close the second through hole, and the first protective component being configured to be destroyed when the pressure relief mechanism is actuated, so as to allow an emission from the battery cell to pass through the second support component.
Resumen de: EP4672491A2
A power storage device includes a case body, an electrode body, an electrolyte, a positive electrode terminal, a negative electrode terminal, a positive electrode sealing plate, and a negative electrode sealing plate. The case body has two opposed surfaces that are open. The positive electrode sealing plate has a positive electrode attachment hole to which the positive electrode terminal is attached. The positive electrode sealing plate closes one of the two opposed surfaces. The negative electrode sealing plate has a negative electrode attachment hole to which the negative electrode terminal is attached. The negative electrode sealing plate closes another of the two opposed surfaces. The positive electrode sealing plate has a first through hole through which the electrolyte is allowed to be injected. The negative electrode sealing plate has a second through hole through which the electrolyte is allowed to be injected.
Resumen de: EP4672483A1
An electrode plate for a battery includes: an electrode substrate; an electrode tab overlapping with a portion of the electrode substrate; a first insulating portion covering a portion of the electrode tab and a portion of the electrode substrate on a first surface, and including a plurality of first protrusions; and a second insulating portion covering a portion of the electrode tab and a portion of the electrode substrate on a second surface opposite to the first surface, and including a plurality of second protrusions.
Resumen de: EP4672435A1
Ein Zellgehäuse (10) zur Aufnahme eines Batteriezellkörpers, mit einer geschlossenen umlaufenden, rahmenartigen Umfangswand (12) aus einem Flachmaterial. Die Umfangswand (12) ist einstückig ausgebildet und weist einen Überlappungsabschnitt (22) auf, in dem sich ein Anfangsabschnitt (24) der Umfangswand (12) und ein Endabschnitt (26) der Umfangswand (12) überlappen und aneinander befestigt sind. Der Überlappungsabschnitt (22) weist eine Berstvorrichtung (30) mit einer Berstmembran (32) auf, wobei die Berstmembran (32) eine konvexe Seite (42) und eine konkave Seite (40) hat.
Resumen de: EP4672492A1
The present application provides an energy storage container (1) including a box body (10) and one or more dehumidifiers (30), the box body (10) includes a top cover (11) and a bottom cover (12) arranged opposite relative to each other, and multiple battery clusters (20) are arranged inside the box body (10), wherein a length and width of each dehumidifier (30) are both greater than a thickness of the dehumidifier (30), and the dehumidifiers (30) are arranged between a bottom of the multiple battery clusters (20) and the bottom cover (12), and a thickness direction of the dehumidifiers (30) is aligned with a height direction of the box body (10).
Resumen de: EP4672393A1
An apparatus for manufacturing an electrode assembly according to one embodiment of the present disclosure includes a supply unit that supplies a plurality of objects in a sheet shape, a cutting unit that cuts the plurality of objects in a sheet shape for each object, and a first transport unit that includes a transport path for transporting the cut objects, wherein the plurality of objects in a sheet shape are cut in a state of being obliquely inclined downward toward the first transport unit.
Resumen de: EP4672419A1
The present disclosure relates to a battery pack including a plurality of battery modules including a plurality of battery cells, a pack case configured to accommodate the plurality of battery modules, a venting device provided in the pack case and configured to discharge gas generated from the battery module to the outside of the pack case, and a cartridge configured to release carbon dioxide stored therein toward the venting device.
Resumen de: EP4672412A1
The present disclosure relates to the field of batteries, and specifically to a battery. The battery includes an electrolyte solution, the electrolyte solution includes ethyl butyrate, and a mass content of the ethyl butyrate in the electrolyte solution is c1; the battery includes an electrode assembly, the electrode assembly includes a positive electrode plate, a negative electrode plate, and a separator, and a thickness of the electrode assembly is a, in unit of mm; and a and c1 satisfy 0 < c1/a ≤ 0.25. The battery of the present disclosure improves safety performance under fast charging conditions.
Resumen de: EP4671793A1
Disclosed is a battery diagnosing apparatus and a battery diagnosing method. The battery diagnosing apparatus includes a data obtaining unit configured to obtain a first profile representing a capacity-voltage relationship of a battery cell containing an active material with a multi-phase characteristic, and a processor configured to generate a plurality of comparison profiles based on a plurality of electrode profiles included in an electrode profile map. The processor is configured to select, as a second profile, one comparison profile from the plurality of comparison profiles by comparing each of the plurality of comparison profiles with the first profile, and determine a positive electrode participation start point as a diagnostic factor representing a degradation state of the battery cell based on the second profile.
Resumen de: EP4671792A1
Disclosed is a battery diagnosing apparatus and a battery diagnosing method. The battery diagnosing apparatus includes a data obtaining unit configured to obtain a first profile representing a capacity-voltage relationship of a battery cell containing an active material with a multi-phase characteristic, and a processor configured to generate a plurality of comparison profiles based on a plurality of electrode profiles included in an electrode profile map. The processor is configured to select, as a second profile, one comparison profile from the plurality of comparison profiles by comparing each of the plurality of comparison profiles with the first profile, and determine a positive electrode participation end point as a diagnostic factor representing a degradation state of the battery cell based on the second profile.
Nº publicación: EP4671789A1 31/12/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4671789A1
The present invention relates to an electrode assembly inspection device, and more specifically, relates to an inspection device inspecting damage to an outermost shell separator of an electrode assembly, and a secondary battery manufacturing device applying the same to an in-line process and a manufacturing method thereof.According to one example of the present invention, a secondary battery lead welding device may be provided, which comprises: a welder welding a plurality of electrode taps of an electrode assembly with electrode leads; an unloader receiving the electrode assembly, on which the welding is completed, from the welder and transferring it for a subsequent process; a pick-and-place device including a picker supporting the lower surface of the electrode assembly, on which the welding is completed, and transferring it to the unloader; and an upper end sensing device sensing whether the uppermost end separator of the electrode assembly is damaged through the picker.
BOPI
Sede Electrónica
