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1149
resultados
Última actualización
06/12/2025 [07:30:00]
Resultados 50 a 75 de 1149
Resumen de: WO2025248357A1
There is provided a battery unit. The battery unit comprises a housing; a battery cell inside the housing; and a thermally conductive layer arrangement to conduct heat from the battery cell to the housing. The thermally conductive layer arrangement comprises a primary conduction layer and a secondary conduction layer. A cross-plane thermal conductivity of the primary conduction layer is higher than an in-plane thermal conductivity of the primary conduction layer, and an in-plane thermal conductivity of the secondary conduction layer is higher than a cross-plane thermal conductivity of the secondary conduction layer.
Resumen de: WO2025247573A1
The invention relates to a method for forming a battery cell, in particular for forming a solid-electrolyte interphase, wherein a time-dependent voltage (4, 5) is used to form the battery cell. The method is characterized in that, in order to charge (4) the battery cell during formation, the voltage (4) is increased from a minimum voltage (Vmin) to a maximum voltage (Vmax) in multiple potential steps (42, 43, 44), a constant voltage being associated with each of the potential steps (42, 43, 44). Furthermore, the invention relates to a device for controlling formation of a battery cell.
Resumen de: WO2025248063A1
Disclosed is a battery for a vehicle comprising a housing which comprises: - a lower compartment accommodating a first group of battery modules, - an upper compartment accommodating a second group of battery modules and a system for controlling the battery modules, the upper compartment and the lower compartment being separated by a plate (5), referred to as the upper plate, carrying the second group of modules, the upper plate (5) having a through-opening (55) allowing an electrical connection element (6) to pass through it, the electrical connection element extending from the lower compartment to the upper compartment and being arranged to connect at least one module of the lower compartment and the control system.
Resumen de: WO2025248470A1
The invention relates to an electrical module (1) comprising: • - a lower wall; • - an upper wall (3) opposite the lower wall; • - a first side wall (4) connecting the lower wall to the upper wall; • - a second side wall (5) opposite the first side wall and connecting the lower wall to the upper wall; • - an inlet wall (6) secured to the lower wall, to the upper wall, to the first side wall and to the second side wall; • - an outlet wall (7) opposite the inlet wall and secured to the lower wall, to the upper wall, to the first side wall and to the second side wall, wherein the lower wall, the upper wall, the first side wall, the second side wall, the inlet wall and the outlet wall together define an internal cavity intended to be filled with a dielectric liquid.
Resumen de: DE102024114895A1
Flurförderzeug umfassend eine Batterie, die mindestens eine Batteriezelle und ein Batteriegehäuse umfasst, in dessen Innenraum die mindestens eine Batteriezelle angeordnet ist, einen Wärmetauscher mit einem ersten Durchgangskanal, eine Ablaufleitung, die den Innenraum mit dem ersten Durchgangskanal verbindet, eine Zulaufleitung, die den ersten Durchgangskanal mit dem Innenraum verbindet, eine Pumpe und ein internes Kühlmittel, wobei das interne Kühlmittel die mindestens eine Batteriezelle zumindest teilweise umgibt, die Pumpe dazu ausgebildet ist, das interne Kühlmittel zwischen dem Innenraum und dem erstem Durchgangskanal zirkulieren zu lassen, und der Wärmetauscher dazu ausgebildet ist, einen Wärmeaustausch zwischen einer Umgebung und dem ersten Durchgangskanal zu ermöglichen.
Resumen de: DE102024114897A1
Onboard-Ladegerät zum Laden von einem Flurförderzeug, das dazu ausgebildet ist, aus einem Lkw-Bordnetz gespeist das Flurförderzeug zu laden, wobei an dem Onboard-Ladegerät eine Zustandsgröße anliegt, die einen Ladezustand des Energiespeichers im Lkw-Bordnetz anzeigt, wobei das Onboard-Ladegerät eine Steuerung aufweist, die dazu eingerichtet ist, die anliegende Zustandsgröße mit einem Minimalwert zu vergleichen und einen Ladevorgang zu beenden, wenn die anliegende Zustandsgröße den Minimalwert unterschreitet, wobei die Steuerung ferner dazu ausgebildet ist, dass der abhängig von dem Energiespeicher im Lkw-Bordnetz frei gesetzt werden kann.
Resumen de: DE102025100984A1
Diese Offenbarung sieht eine Festkörperbatterie vor, die eine Negativelektrodenschicht, eine Schutzschicht, eine Festelektrolytschicht und eine Positivelektrodenschicht in dieser Reihenfolge aufweist und eine Abscheidungs-Auflösungs-Reaktion des Metalls Lithium verwendet. Die Negativelektrodenschicht umfasst ein erstes Metallelement, das in der Lage ist, mit Lithium zu legieren. Die Schutzschicht umfasst ein zweites Metallelement, das in der Lage ist, mit Lithium zu legieren. Das erste und das zweite Metallelement sind unterschiedliche Elemente; und, wie in einer Schnittansicht der Festkörperbatterie entlang einer Dickenrichtung gesehen, hat die Schutzschicht einen ersten hervorstehenden Abschnitt, der nach außen über eine Endfläche der Negativelektrodenschicht in einer Richtung orthogonal zur Dickenrichtung vorsteht, und die Festelektrolytschicht hat einen zweiten hervorstehenden Abschnitt, der nach außen über eine Endfläche der Schutzschicht in der Richtung orthogonal zur Dickenrichtung vorsteht.
Resumen de: WO2025248052A1
An electrolyte composition for a Zn-MnO2 electrochemical device said electrolyte composition comprising water, a zinc salt, and a combination of additives, wherein the combination of additives comprises an organic additive and an additive of formula (I), its use and an electrochemical device comprising said electrolyte.
Resumen de: WO2025248053A1
An electrolyte composition for a Zinc metal electrochemical device said electrolyte composition comprising water, a zinc salt, and an additive of formula (I), its use and an electrochemical device comprising said electrolyte.
Resumen de: WO2025247563A1
The invention relates to a filling structure (12) configured to be arranged in an enclosure accommodating components (10), wherein the operation of the components (10) is sensitive to temperature, and wherein each component has a height (H), wherein this enclosure is configured to hold a dielectric fluid intended to immerse the components, and wherein the filling structure comprises: - at least one base (24) configured to bear on a periphery of one of the components (10), wherein the operation of the components (10) is sensitive to temperature; - and at least one column (26) connecting to the at least one base (24) and extending in the direction of the height of the component (10), wherein the column (26) has a height (h) that is at least 20% or at least 30% of the height (H) of the component (10), and wherein the column (26) at least partially defines a fluid passage.
Resumen de: DE102024114909A1
Ein Verfahren zum Herstellen einer Batterie oder eines Batteriemoduls weist die folgenden Schritte auf:Bereitstellen Batteriegehäuses oder eines Batteriemodulgehäuses;Bereitstellen einer Batteriezelle mit einem Batteriezellengehäuse;Einbringen der Batteriezelle in das Batteriegehäuse oder in das Batteriemodulgehäuse;Aufbringen eines ersten Klebstoffs, insbesondere einer ersten Klebstoffschicht, auf das Batteriezellengehäuse derart, dass der erste Klebstoff mit dem Batteriezellengehäuse, insbesondere stoffschlüssig, verbunden ist;Aufbringen eines Zwischenstücks, insbesondere eines Plättchens, auf den ersten Klebstoff derart, dass das Zwischenstück mit dem ersten Klebstoff, insbesondere stoffschlüssig, verbunden ist; undAufbringen eines Schaums oder eines zweiten Klebstoffs, insbesondere einer zweiten Klebstoffschicht, auf dem Zwischenstück derart, dass der Schaum oder der zweite Klebstoff mit dem Batteriegehäuse oder dem Batteriemodulgehäuse, insbesondere mit einer dem Batteriezellengehäuse zugewandten Seite eines Batteriegehäusedeckels des Batteriegehäuses oder mit einer dem Batteriezellengehäuse zugewandten Seite eines Batteriemodulgehäusedeckels des Batteriemodulgehäuses, und dem Zwischenstück, insbesondere stoffschlüssig und/oder formschlüssig, verbunden ist.
Resumen de: WO2025246832A1
The present application discloses a battery module, and an energy storage device and a mounting method therefor. The battery module comprises a case, a battery cell assembly, a first protrusion, and a first recess. The case comprises a bottom wall and a top wall which are oppositely arranged in a first direction. The battery cell assembly is arranged in the case, and the bottom wall bears the battery cell assembly. The first protrusion is arranged on the top wall and protrudes from the top wall in the first direction, and the first protrusion comprises a first flat surface away from the top wall. The first recess is arranged on the bottom wall and is formed by a depression in the bottom wall. When a plurality of battery modules are stacked in the first direction, between adjacent battery modules, a first protrusion of one battery module is configured to fit into a first recess of the other battery module. The battery module, and the energy storage device and the mounting method therefor provided by embodiments of the present application can effectively reduce the physical effort of an operator during stacking of battery modules.
Resumen de: WO2025246810A1
The present invention pertains to the technical field of lithium-ion batteries. Disclosed are a silicon-carbon negative electrode material based on organosilicon waste silicon powder, a preparation method therefor, and use thereof. The preparation method of the present invention comprises the following steps: rapidly annealing organosilicon waste silicon powder; performing acid leaching by mixing the rapidly annealed waste silicon powder with an acid solution to obtain modified waste silicon powder; mechanically grinding the modified waste silicon powder to obtain ground modified waste silicon powder; mixing the ground modified waste silicon powder with an organic carbon source and a solvent, and subjecting the resulting precursor solution to spray granulation to obtain silicon-carbon microspheres; and introducing a carbon deposition precursor source to deposit carbon on the silicon-carbon microspheres, thereby obtaining the silicon-carbon negative electrode material. The present invention achieves the development of a novel silicon-carbon negative electrode material with high tap density, providing new ideas and new paths for the value-adding recycling of hard-to-treat organosilicon waste silicon powder in the organosilicon industry and the low-cost development of high-performance lithium-ion silicon negative electrodes.
Resumen de: WO2025246045A1
A modified lithium-rich manganese-based positive electrode material, and a preparation method therefor and the use thereof. The modified lithium-rich manganese-based positive electrode material comprises a lithium-rich manganese-based positive electrode material, wherein the bulk phase of the lithium-rich manganese-based positive electrode material is doped with a high-valent transition metal element, and the surface phase of the lithium-rich manganese-based positive electrode material has a lithium metal compound coating layer and an oxygen vacancy. In the modified lithium-rich manganese-based positive electrode material, the doping with a bulk-phase high-valence transition metal element, the coating with a surface-phase lithium metal compound coating layer and the construction of an oxygen vacancy are conducted at the same time; and by means of the co-action of the three, the rate capability and the cycling performance of the lithium-rich manganese-based positive electrode material can be significantly improved, which is of great significance for the further commercialization of the lithium-rich manganese-based positive electrode material.
Resumen de: WO2025246038A1
Disclosed in the present application are a battery and an electric apparatus. The battery comprises a plurality of battery cells and a thermal management assembly, wherein the thermal management assembly comprises a heat exchange member and a heating member, the heat exchange member being provided with a flow channel for a heat exchange medium to flow through, the heat exchange member being used for performing heat exchange with the plurality of battery cells, and the heating member being located on the side of the heat exchange member that is away from the battery cells, and being used for heating the heat exchange member. The battery in the present application can improve the heat exchange efficiency and reliability.
Resumen de: WO2025246037A1
The present application discloses a system for filtering and recycling a lithium battery slurry. The system comprises: a stirring apparatus; a filtering apparatus, the filtering apparatus having a feed port and a recycling port, the feed port of the filtering apparatus being in communication with the stirring apparatus by means of a feed pipe, and the stirring apparatus being connected to the recycling port of the filtering apparatus by means of a recycling assembly; and a slurry heater, the slurry heater being mounted on the recycling assembly.
Resumen de: WO2025246036A1
A secondary battery, a preparation method therefor, and an electrical device. The secondary battery comprises an electrode sheet. The electrode sheet comprises a current collector, an active material layer, and a base coating. The active material layer is located on at least one surface of the current collector. The base coating is located between the current collector and the active material layer. The base coating contains an additive, and anions of the additive comprise at least one of nitrate ions and nitrite ions. In the electrode sheet, the base coating is arranged between the current collector and the active material layer. The anions in the base coating comprise nitrate ions and nitrite ions, enabling the additive to gradually dissolve and diffuse into an electrolyte. In this way, the nitrate and nitrite undergo a reduction reaction, and the reduction product thereof becomes part of an SEI film to enable repair of the SEI film, thereby achieving thin, stable, and compact SEI films and significantly improving the cycle life of the battery.
Resumen de: WO2025246806A1
Disclosed in the present application is the technical field of battery materials. Particularly, the present application relates to a composite phosphate-based positive electrode material, a preparation method therefor, and use thereof. The composite phosphate-based positive electrode material comprises a plurality of composite phosphate-based positive electrode particles and a plurality of doped composite phosphate-based positive electrode particles with a particle size gradation. The composite phosphate-based positive electrode particles comprise a phosphate-based active core and a heteroatom-doped carbon coating layer I. The doped composite phosphate-based positive electrode particles comprise a titanium-doped phosphate-based active core and a heteroatom-doped carbon coating layer II. The particle size of the composite phosphate-based positive electrode particles is greater than that of the doped composite phosphate-based positive electrode particles. An inorganic carbon source is distributed between the composite phosphate-based positive electrode particles and the doped composite phosphate-based positive electrode particles. By means of doping of titanium in active particles, doping of heteroatoms in the carbon coating layers, and filling active particles with different particle sizes, different morphologies, and different densities with each other to form a gradation, the compaction density and the gram capacity of the material are improved.
Resumen de: WO2025246872A1
A separator, a separator preparation method, a battery apparatus, an electric device, and a vehicle. The separator comprises a substrate; the substrate comprises a first inverse barocaloric effect material layer and a thermal insulation layer; and the thermal insulation layer and the first inverse barocaloric effect material layer are stacked in layers. The first inverse barocaloric effect material layer absorbs heat when compressed by a battery, and the thermal insulation layer reduces heat diffusion; and when thermal runaway occurs in the battery, heat released by the battery due to thermal runaway can be absorbed, and heat is prevented from diffusing, thereby reducing the risk of battery fire.
Resumen de: WO2025246761A1
The present application relates to a secondary battery and an electronic device. The secondary battery comprises a case, a terminal post and a sealing assembly. The terminal post comprises a first portion, a second portion and a third portion. The first portion is arranged in the case; one end of the second portion is connected to the first portion, and the other end of the second portion extends out of the case through a first through hole in the case; and the third portion is connected to the second portion outside the case. The terminal post further comprises a first hole, an opening of which is located on the surface of the third portion facing away from the second portion; and a first relief structure is provided on the outer surface of the second portion. The sealing assembly comprises a first sealing ring, a second sealing ring and a third sealing ring, wherein the first sealing ring of the sealing assembly is arranged between a first wall surface of the case and the first portion; the second sealing ring is arranged around the second portion; and the third sealing ring is arranged between a second wall surface and the third portion. The secondary battery and the electronic device provided in the present application can improve the technical problem of a poor sealing performance caused by the low strength and susceptibility to deformation of the terminal post of the secondary battery.
Resumen de: WO2025246041A1
An assembly method for a battery cell, and a battery cell, a battery and an electric device, which belong to the technical field of batteries. The battery cell comprises a casing component, a terminal post component mounted to the casing component, and an electrode component accommodated in the casing component and connected to the terminal post component, wherein the casing component comprises a casing body and a casing cover, the casing body has an opening, the casing cover seals the opening, and the casing body or the casing cover comprises a first casing wall. The assembly method comprises: connecting an electrode component to a terminal post component; and mounting to a first casing wall the terminal post component connected to the electrode component.
Resumen de: WO2025246035A1
The present application discloses a battery stacking method, an apparatus, and a system. A stack stacking device comprises a bearing plate and a limiting assembly capable of moving on the beating plate, a plurality of cathode sheets are spaced on an anode material strip, the anode material strip is folded at folding positions corresponding to spacings between adjacent cathode sheets to obtain a plurality of electrode sheet units, and each electrode sheet unit is stacked on a bearing plate of a stacking mechanism. The method comprises: acquiring a target offset distance of a first electrode sheet unit of the anode material strip relative to a first reference position; obtaining a target stacking position of the first electrode sheet unit on the basis of the target offset distance and a second reference position, wherein the second reference position is a reference position set when the electrode sheet units of the anode material strip are stacked on the bearing plate; and if the first electrode sheet unit is the first stacked electrode sheet unit, when the first electrode sheet unit is stacked on the bearing plate, controlling the limiting assembly to push the first electrode sheet unit to move to the target stacking position.
Resumen de: WO2025246030A1
A battery cell (20), a battery (100), and an electrical apparatus. A casing (1) of the battery cell (20) has an accommodating cavity, an electrode assembly (2) being disposed in the accommodating cavity and comprising a first tab (21), and an electrode terminal (3) being disposed on the casing (1) and being electrically connected to the first tab (21). The electrode terminal (3) is provided with a recessed portion (31), a cover plate (4) is provided on the side of the electrode terminal (3) away from the electrode assembly (2) and covers the recessed portion (31), and a positioning structure (32) provided along the periphery of the recessed portion (31) is disposed on the side of the electrode terminal (3) away from the electrode assembly (2). Because the positioning structure (32) provided along the periphery of the recessed portion (31) is disposed on the side of the electrode terminal (3) away from the electrode assembly (2), the position of the cover plate (4) can be determined by means of the positioning structure (32) during the process of assembling the battery cell (20) so as to learn the concentricity of the cover plate (4) and the recessed portion (31), thereby facilitating improving the concentricity of the cover plate (4) and the recessed portion (31), improving the connection effect of the cover plate (4) and the electrode terminal (3), and further improving the blocking effect of the cover plate (4) for the recessed portion (31), helping to increase the yield in
Resumen de: WO2025246760A1
A secondary battery and an electronic device. The secondary battery comprises a packaging pouch, an electrode assembly and a conductive plate. The packaging pouch comprises an accommodating portion and a first sealing edge, wherein the electrode assembly is arranged in the accommodating portion, and the conductive plate is electrically connected to the electrode assembly and extends out of the packaging pouch. The electrode assembly comprises positive electrode sheets, negative electrode sheets and separators, wherein the positive electrode sheets, the separators and the negative electrode sheets are sequentially stacked to form a stacked structure. The accommodating portion comprises a first side wall and a second side wall arranged opposite each other in a third direction, wherein the first sealing edge is connected to the first side wall, and comprises a first segment connected to the first side wall and a second segment connected to the first segment in the extension direction of the first sealing edge. The edge region of at least one separator extends beyond the negative electrode sheets and is arranged in the first segment, such that the thickness of the second segment is less than that of the first segment. The present application can ensure both high energy density and safety performance.
Nº publicación: WO2025246770A1 04/12/2025
Solicitante:
NINGDE AMPEREX TECH LIMITED [CN]
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Resumen de: WO2025246770A1
The present application provides a secondary battery and an electronic device. Negative electrode material layers of the secondary battery comprise a first negative electrode material layer and a second negative electrode material layer which are stacked together. The second negative electrode material layer is located between the first negative electrode material layer and a negative electrode current collector. The thickness of the first negative electrode material layer is H1 μm, and the thickness of the second negative electrode material layer is H2 μm, where 20 ≤ H1 ≤ 40, and 60 ≤ H2 ≤ 90. The Dv50 of a first negative electrode active material in the first negative electrode material layer is greater than the Dv50 of a second negative electrode active material in the second negative electrode material layer. An electrolyte comprises lithium difluorophosphate and a propionate ester compound. The propionate ester compound comprises propyl propionate. Based on the mass of the electrolyte, the mass percentage of lithium difluorophosphate is W1%, the mass percentage of propyl propionate is W2%, 0.1 ≤ W1 ≤ 1, 10 ≤ W2 ≤ 60, and 4 ≤ W1 × H1 ≤ 35. The secondary battery of the present application has good kinetic performance and good high-temperature floating charge performance.
BOPI
Sede Electrónica
