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1435
resultados
Última actualización
23/09/2025 [07:27:00]
Resultados 600 a 625 de 1435
Resumen de: CN120303787A
Disclosed are simple methods for making free particles (e.g., including LiFePO4 or NMC), which can be particularly used as electrode materials in lithium batteries and other applications. Some methods involve dry mechanical fusion of suitable feedstock particles and template particles such that the feedstock particles coat the template particles to form a coating, impact milling of the coated template particles such that the coated particles are detached from the template particles, and then separation of the detached free particles from the template particles. The novel free particles produced by these methods can be characterized by an inter-grain layered structure that can be determined by their preferred orientation characteristics. Such free particles may have a unique low surface area, and electrodes prepared with such free particles may have a unique low porosity but high loading, and exhibit improved performance in electrochemical cells.
Resumen de: WO2024100281A1
A method for synthesizing an Si and/ or Ge NW/carbon composite in a solution-based approach is provided. The method comprises combining (i) a mixture of a lithium alloying metal and a carbon particle, (ii) an Si and/or Ge precursor and (iii) a refluxing solvent under reflux conditions and reacting to form the composites.
Resumen de: CN120239920A
The invention relates to a battery support comprising a base (1) and a heat transfer circuit (2) comprising a first conduit and a second conduit wherein a first end of the first conduit allows for receiving a heat transfer liquid and a first end of the second conduit allows for discharging the heat transfer liquid, the first and second conduits are connected together by the second ends of the first and second conduits, the first and second conduits being delimited on the one hand by the base (1) and on the other hand by a set of walls, the first and second conduits sharing a common wall. The cross-section of the wall of the heat transfer circuit (2) is W-shaped, and the heat transfer circuit is produced by additive manufacturing.
Resumen de: CN120167085A
A locking system (100) for a battery device is provided. The battery arrangement comprises at least one battery module (102) arranged in a battery stack (104). The cell stack has a first end (A), a second end (B), a front side (C), and a second side (D). The locking system includes a lockable cartridge (112) configured to be attached at a first end of the cell stack. The lockable cartridge includes an outlet cable guide (114) and an inlet cable guide (116). The locking system further includes a cable track (120) including an outlet cable guide, an inlet cable guide, and at least one module cable guide (120) configured to be attached to the at least one battery module at the second side of the cell stack. The U-shaped module cable guide (122c) is configured to be attached to the battery module (102c) at the second end of the cell stack. The cable track starts and terminates in the lockable box. The locking system further includes a cable (330) configured to be inserted into the lockable cartridge and through the cable track such that the first and second ends of the cable are located inside the lockable cartridge. The locking system further includes a cable lock (332) configured to lock the first end and the second end of the cable together inside the lockable box.
Resumen de: CN120265832A
The present invention relates to a process for recovering one or more metal species from a raw material, such as a spent lithium ion battery material, comprising: providing a molten salt comprising at least one metal hydroxide, providing one or more oxyacidity agents, preferably as a reservoir of one or more oxyacidity agents in communication with the molten salt, the oxyacidity of the molten salt is set to an oxyacidity value at which at least one metal substance is dissolved in the molten salt with the one or more oxyacidity agents, and the raw material is brought into contact with the molten salt, at least one of steps b) and c) is performed: b) setting the potential of the molten salt to recover the first metal species as a first metal or a first metal oxide, c) adjusting the oxyacidity of the molten salt with the one or more oxyacidity agents to precipitate the first metal oxide, d) for one or more additional metal species, optionally, at least one of method steps a) and/or method steps b) and c) is performed.
Resumen de: WO2024100209A1
The present invention relates to an organoboron covalent organic network impregnated with at least one salt selected from alkali metal salts and alkaline-earth metal salts, wherein the impregnated organoboron covalent organic network is substantially free of organic solvent. The present invention also relates to a method for preparing such an impregnated organoboron covalent organic network, the use thereof as a solid electrolyte in an all-solid-state battery, and a separator for an all-solid-state battery, an electrode for an all-solid-state battery and an all-solid-state battery comprising such an impregnated organoboron covalent organic network.
Resumen de: CN119856333A
The invention relates to a battery assembly comprising at least one battery module (1). According to the invention, the battery module (1) comprises a row in which a plurality of battery cells (2) are arranged, each battery cell (2) being placed in a separate battery cell (2) chamber (3) and separated from each other by a partition plate (4), each separate battery cell chamber (3) comprising a vent hole (30) communicating with a gas discharge channel (5) for discharging gas generated by thermal runaway, the gas discharge channel is arranged at an upper part (6; 6 ') of the battery module (1). The gas discharge channel (5) is common to the plurality of battery cells (2) and comprises a lower wall (50), an upper wall (52) and two side edges (54), the lower wall is composed of a plate configured to form a heat shield (51), the upper wall is composed of a plate configured to form a heat shield (53), and the two side edges comprise a polymer-based material (56). The battery module (1) comprises a compression system (7) provided with at least one gas outlet (8) in fluid connection with the gas discharge channel (5).
Resumen de: AT528043A1
Die Erfindung betrifft eine Akkumulatorvorrichtung (1), umfassend eine Vielzahl von Akkumulatorzellen (2). Um einen einfachen Aufbau zu erreichen, umfasst die Akkumulatorvorrichtung (1) erfindungsgemäß eine Vielzahl von Halteelementen (3), wobei die Halteelemente (3) miteinander verbunden sind und die Akkumulatorzellen (2) aufnehmen.
Resumen de: WO2025185055A1
The present application provides a heat exchange assembly (13), a box body (10), a battery (100), and an electrical device. The heat exchange assembly (13) comprises a first plate body (131) and a second plate body (132). The first plate body (131) has a first plate surface (1311), and the first plate body (131) comprises a first reinforcement layer member (1312). The second plate body (132) and the first plate body (131) are arranged in a stacked manner, and the second plate body (132) has a second plate surface (1321). A heat exchange flow channel (133) is provided on the first plate surface (1311) and/or the second plate surface (1321). At least part of the projection of the heat exchange flow channel (133) on a reference plane overlaps with the projection of the first reinforcement layer member (1312) on the reference plane, and the reference plane is perpendicular to the stacking direction of the first plate body (131) and the second plate body (132).
Resumen de: WO2025185043A1
A case (10), a battery (100), and an electric device. The case (10) comprises a plate assembly (111). The plate assembly (111) comprises a first plate member (1111) and a second plate member (1112) that are stacked. The first plate member (1111) comprises a first plate body (11111) and a first frame edge portion (11112) connected to a side edge of the first plate body (11111). The second plate member (1112) comprises a second plate body (11121) and a second frame edge portion (11122) connected to a side edge of the second plate body (11121). The first frame edge portion (11112) is connected to the second frame edge portion (11122) to form a first edge beam structure (112). The first edge beam structure (112) defines an accommodating space (114) for accommodating a battery cell (20).
Resumen de: WO2025185269A1
A battery cell, a battery and an electrical apparatus. The battery cell (100) comprises: an energy unit comprising an electrode assembly (20) and an electrolyte; and a housing (10) for accommodating the energy unit, wherein an insulating member (30) is provided between the energy unit and the housing (10), and the insulating member (30) is used for separating the electrolyte in the energy unit from the housing (10).
Resumen de: WO2025185067A1
The present application discloses an edge detection method and apparatus for a battery insulation part, and a battery production line. In the edge detection method for a battery insulation part, the battery insulation part is used for wrapping at least the side face of a battery cell of a battery. The method comprises: irradiating an edge to be detected of the insulation part by means of at least two light source assemblies; imaging said edge by means of an imaging assembly which is arranged to face said edge, so as to obtain an edge image; and identifying the position of said edge from the edge image. The edge detection method in the present application can solve the problem of performing standardized, stable, and reliable edge detection on the battery insulation part, and by making said edge of the battery insulation part more clearly visible in the edge image, improve the accuracy of extracting said edge from the edge image.
Resumen de: WO2025184991A1
A separator and a preparation method therefor, a battery, and an electric device, relating to the field of batteries. The separator comprises a polymer-based film, the polymer-based film has a three-dimensional network pore structure that is formed by interwoven polymer fibers and has pores communicated with each other, and the polymer fibers each contain a porphyrin compound and a polymer resin, wherein the porphyrin compound is dispersed in the polymer resin. The separator has better porosity and ionic conductivity, and during the battery cycling process, the porphyrin compound can coordinate with transition metal dissolved from a positive electrode active material to generate transition metal porphyrin, so that the dissolved transition metal is inhibited or prevented from migrating and depositing onto the surface of a negative electrode sheet to damage an SEI film, thereby improving the cycling capacity retention ratio and the rate capability of batteries.
Resumen de: WO2025185071A1
A positive electrode material and a preparation method therefor, a positive electrode sheet, a secondary battery and an electric device. The positive electrode material comprises a conductive substrate material and an active material distributed on the conductive substrate material, wherein the active material comprises a nanoscale phosphate active material, and the conductive substrate material comprises doping-element-modified graphene; and based on the total weight of the positive electrode material, the weight content of the active material is 75-95%, and the weight content of the conductive substrate material is 5-25%. The positive electrode material is prepared by using the doping-element-modified graphene as a substrate material for loading nanoparticles of the phosphate active material; therefore, the agglomeration of the nanoscale phosphate positive electrode material can be reduced, the wettability of an electrolyte on the active material is improved, and the cycle performance of the positive electrode material is improved.
Resumen de: WO2025185058A1
Disclosed in the present application are a case, a battery and an electric device. The case comprises a heat exchange assembly, electrical connection assemblies and sealing assemblies. The heat exchange assembly comprises a first heat exchange plate and a second heat exchange plate, which are arranged in a stacked manner, wherein a heat exchange flow channel is provided between the first heat exchange plate and the second heat exchange plate, and the heat exchange flow channel is configured to exchange heat with battery cells. The electrical connection assemblies are connected to the heat exchange assembly, and are configured to be electrically connected to the battery cells. The sealing assemblies are arranged in the circumferential direction of each electrical connection assembly, and penetrate in the direction of the thickness of the heat exchange assembly and are connected to the first heat exchange plate and the second heat exchange plate. The sealing assemblies are arranged around the electrical connection assemblies, such that the connection strength of the heat exchange assembly near the electrical connection assemblies can be improved, the sealing performance of the heat exchange assembly is improved, and thus the operational stability of the battery is improved.
Resumen de: WO2025185070A1
An electrode sheet (7), a battery cell (5), a battery, and an electric device (6). The electrode sheet (7) comprises a composite current collector (72) and an electrode film layer (71) provided on at least one side of the composite current collector (72), the composite current collector (72) comprises a support layer (721) and a conductive composite layer (722) stacked on at least one side of the support layer (721), the conductive composite layer (722) comprises a metal layer, the surface of the conductive composite layer (722) facing the electrode film layer (71) on the same side is provided with a plurality of first recessed portions (723), the electrode film layer (71) comprises an electrode active material, and at least some of the first recessed portions (723) are embedded with an electrode active material. Applying the electrode sheet (7) to a battery can improve the cycle performance of the battery.
Resumen de: WO2025185073A1
A battery cell, a battery unit, a battery pack, and an electric device, relating to the technical field of batteries. The battery cell comprises a casing assembly (1), a bare cell (2), and poles (3). The bare cell (2) is arranged inside the casing assembly (1). The poles (3) are arranged on the casing assembly (1). The poles (3) are electrically connected to tabs (20) of the bare cell (2). Each pole (3) comprises a first connecting part (30) and a second connecting part (31) which are connected to each other. When projected along an arrangement direction of the bare cell (2) and the poles (3), the projection area of the first connecting part (30) and the projection area of the second connecting part (31) do not overlap. The first connecting part (30) is welded to the corresponding tab (20) of the bare cell (2). The second connecting part (31) is welded to a busbar. The technical solution can increase the space utilization rate of a battery cell and improves the energy density of the battery cell.
Resumen de: WO2025185062A1
A battery and an electric device, relating to the technical field of batteries. The battery comprises a case, a battery cell and a treatment mechanism. The case forms an exhaust channel; the battery cell is accommodated in the case; the treatment mechanism forms a treatment channel and comprises at least one treatment module arranged at the treatment channel, the treatment channel is communicated with the exhaust channel and the external environment, and the treatment module is used for treating fumes flowing through the treatment channel.
Resumen de: WO2025185054A1
A battery (10) and an electric device. The battery (10) comprises: a case (100) having a wall portion (110), wherein the wall portion (110) comprises a heat exchange plate (111) and a cover plate (112), which are stacked in a first direction, through holes passing through the heat exchange plate (111) and the cover plate (112) are provided in the wall portion (110), and the first direction is parallel to the direction of thickness of the wall portion (110); a battery cell (200) accommodated in the case (100); a power distribution assembly (300), which comprises a power distribution box (310) and connection terminals (320), wherein the connection terminals (320) are inserted into the through holes and are connected to the power distribution box (310) and the battery cell (200); and a sealing assembly (400), which is located between the heat exchange plate (111) and the cover plate (112) and is configured to seal the through holes. The battery (10) has a relatively good sealing effect, and the probability of a leakage of a chemical component inside the battery (10) can be reduced.
Resumen de: WO2025185057A1
A battery and an electric device. The battery comprises: a case, battery cells, and collection mechanisms. A first cavity and a second cavity are formed in the case; the case is provided with a pressure relief mechanism which enables the second cavity to be communicated with the outside; the battery cells are accommodated in the first cavity; the collection mechanisms are mounted in the second cavity; and the collection mechanisms are configured to: when smoke is generated due to thermal runaway of the battery cells, undergo expansion to collect the smoke and discharge at least part of air from the second cavity by means of the pressure relief mechanism.
Resumen de: WO2025185056A1
The present application provides a heat exchange assembly (13), a box body (10), a battery (100) and an electrical device. A heat exchange flow channel (133) is formed in the heat exchange assembly (13). The heat exchange assembly (13) comprises a first plate body (131) and a second plate body (132), the first plate body (131) comprising a first connecting layer member (1311), and the second plate body (132) comprising a reinforcing layer member (1321) and a second connecting layer member (1322). The reinforcing layer member (1321) and the second connecting layer member (1322) are stacked and connected to each other. The second connecting layer member (1322) and the first connecting layer member (1311) are stacked and hermetically connected to each other, so as to close the heat exchange flow channel (133).
Resumen de: WO2025185051A1
A battery (10) and an electric device, which belong to the technical field of batteries. The battery (10) comprises: a case (11); a bottom protective plate (13), the bottom protective plate (13) and the case (11) defining an accommodating cavity; a plurality of battery cells (12), which are mounted in the accommodating cavity; and protective structures (14), wherein the protective structures (14) are mounted on an end beam (111) of the case and located between the end beam (111) and the bottom protective plate (13), and the minimum distance between each protective structure (14) and the bottom protective plate (13) is not greater than the minimum distance between each battery cell (12) and the bottom protective plate (13).
Resumen de: WO2025188361A2
Disclosed are compositions comprising a first component comprising an isocyanate-functional prepolymer; a second component comprising a polyurethane polyol; an aromatic diamine; and a filler in an amount of greater than 50% by weight to 88% by weight based on total weight of the composition. Also disclosed are methods for treating a substrate with any of the compositions disclosed herein. Also disclosed are substrates comprising a coating formed from any of the compositions disclosed herein on a substrate surface, and optionally a dielectric coating on the substrate surface. Also disclosed are systems and kits comprising a dielectric coating composition and any of the coating compositions disclosed herein.
Resumen de: WO2025184953A1
A positive electrode material, a preparation method therefor, and a lithium-ion battery. The composition of the positive electrode material is Li1+a(NixCoyMnzGb)TcO2, where 0.02 ≤ a ≤ 0.1, 0.6 ≤ x ≤ 1, 0 < y ≤ 0.5, 0 < z ≤ 0.5, 0 < b ≤ 0.02, and 0< c ≤ 0.02. At 45°C as measured by XRD, the (003) characteristic peak before and after 80 cycles satisfies 0°≤ △P = Pbefore - Pafter ≤ 0.2°, where Pbefore is the peak position of the (003) characteristic peak before cycling, and Pafter is the peak position of the (003) characteristic peak after 80 cycles. The positive electrode material has high particle strength and excellent crystal structure stability, resulting in a significant improvement in the cycling performance of the positive electrode material.
Nº publicación: WO2025186236A1 12/09/2025
Solicitante:
BAYERISCHE MOTOREN WERKE AG [DE]
BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT
Resumen de: WO2025186236A1
The invention relates to a battery cell (1), in particular for a drive battery of a vehicle. The battery cell (3) comprises an electrode stack (2) and a housing (11) having an inner housing part (4) and an outer housing part (3) which at least partially surrounds the inner housing part (4). The electrode stack (2) is arranged in the inner housing part (4), the inner housing part (4) has at least one passive cooling element (5), and the outer housing part (3) can be deformed at least along a height direction of the electrode stack (2) and is correspondingly designed to be at least partially movable relative to the inner housing part (4). A connecting part (6) is provided via which the inner housing part (4) and the outer housing part (3) are connected to one another and are thereby in contact in such a way that thermal energy can be transferred from the inner housing part (4) to the outer housing part. The outer housing part (3) can be designed in particular as a bellows. The battery cell (1) is in particular a solid-state battery cell.
BOPI
Sede Electrónica
