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1535
resultados
Última actualización
02/10/2025 [07:24:00]
Resultados 1225 a 1250 de 1535
Resumen de: WO2025192926A1
The present invention relates to a secondary battery pack. The present invention provides a secondary battery pack and a vehicle comprising the secondary battery pack, the secondary battery pack comprising: a first polarity tab and a second polarity tab connecting the secondary battery pack to an external circuit; a case in which a plurality of cylindrical secondary batteries are mounted; and a plurality of connection tabs sequentially connecting the plurality of cylindrical secondary batteries, mounted on the case, electrically so that a current flows from the first polarity tab to the second polarity tab through the plurality of cylindrical secondary batteries, wherein the plurality of connection tabs include a first connection tab connecting cylindrical secondary batteries that are in contact with each other among the plurality of cylindrical secondary batteries, and a second connection tab connecting cylindrical secondary batteries that are spaced a predetermined distance apart from each other among the plurality of cylindrical secondary batteries.
Resumen de: WO2025192867A1
The present invention relates to an electrode current collector, a manufacturing method thereof, and a secondary battery electrode assembly comprising same, wherein the electrode current collector is characterized by comprising: a first metal layer; a polymer resin layer provided on one surface of the first metal layer; and a second metal layer provided on one surface of the polymer resin layer, wherein the area of the polymer resin layer is smaller than the areas of the first metal layer and the second metal layer.
Resumen de: WO2025192922A1
Disclosed are a battery pack, a pack lid, and a vehicle including same, the battery pack comprising: a pack case; a plurality of battery modules embedded in the pack case and arranged to face each other; and a blocking unit protruding from one surface of the pack case toward the inner space of the pack case and formed at a point between the facing battery modules so as to block the propagation of flame or gas between the facing battery modules.
Resumen de: WO2025192861A1
The present invention relates to a pouch-type secondary battery folding device and a pouch-type secondary battery folding method using same, the pouch-type secondary battery folding device comprising: a first seating portion having a seating groove so that a cup portion of a battery case and a flat portion on one side of the battery case can be seated thereon; a second seating portion on which the other side of the battery case is seated; and a position adjustment portion for adjusting the width of the seating groove so that the width of the seating groove corresponds to the width of the cup portion.
Resumen de: WO2025189872A1
The present application relates to a charging case and an earphone assembly. The charging case can be used for storing and charging earphones. The charging case comprises an upper shell, a lower shell, an opening and closing mechanism and a circuit board. The circuit board is located in the lower shell. The opening and closing mechanism connects the upper shell to the lower shell and enables the upper shell to open and close relative to the lower shell. A metal portion of the upper shell is electrically connected to the opening and closing mechanism, and the opening and closing mechanism is electrically connected to the circuit board, thereby achieving grounding of the metal portion. In the embodiments of the present application, by means of the opening and closing mechanism, the metal portion of the upper shell is electrically connected to the circuit board in the lower shell, thereby achieving grounding of the metal portion; the grounding means is simple, and grounding effects are good.
Resumen de: WO2025189990A1
An electrical device, comprising an energy storage device; the storage device comprises a battery, the battery comprises a cover plate assembly, and the cover plate assembly comprises a cover plate and an insulating plate; the insulating plate is arranged on one side of the cover plate, post holes allowing posts to penetrate through are formed in the cover plate and the insulating plate, and chip embedding holes used for fixing chips are formed in the insulating plate.
Resumen de: WO2025189948A1
An electrolyte, a battery cell, a battery and an electrical apparatus, belonging to the technical field of batteries. Fluorophosphate and/or borate is added into an electrolyte containing a low-viscosity solvent, and due to low LUMO energy levels, the fluorophosphate and the borate readily accept electrons and undergo reduction after being added into the electrolyte, so as to form a stable SEI film on the surface of a negative electrode active material, thus blocking contact between the low-viscosity solvent and the surface of the negative electrode active material, reducing the reduction of the low-viscosity solvent, and inhibiting further side reactions on the negative electrode sheet side. Meanwhile, the fluorophosphate and the borate can be combined with metal ions on the surface of a positive electrode active material to form ionic bonds, such that the phenomenon of surface overdelithiation of the positive electrode active material is reduced, thus effectively reducing structural damage to the positive electrode active material, and reducing side reactions between the electrolyte and the positive electrode sheet side. Reducing side reactions between electrolytes and both the negative electrode sheet side and the positive electrode sheet side is conductive to the service life of batteries.
Resumen de: WO2025192359A1
A non-aqueous electrolyte secondary battery (10) is provided with: an electrode body (14); a non-aqueous electrolyte solution having, a non-aqueous solvent, and an electrolyte salt containing lithium; and an outer can (20) that accommodates the electrode body (14) and the non-aqueous electrolyte solution. The non-aqueous electrolyte secondary battery (10) is characterized in that: an annular groove (23) that is recessed inward in the radial direction of the outer can (20) is provided in a side surface portion (22) of the outer can (20); a non-aqueous solvent is present at a portion from an annular groove (23) in the inner surface of the outer can (20) to an opening end portion (24A); and the amount of lithium present per unit area of the portion from the annular groove 23 in the inner surface of the outer can (20) to the opening end portion (24A) is at most 0.03 μg/mm2.
Resumen de: WO2025192831A1
The present invention relates to an apparatus for manufacturing a secondary battery. An apparatus for manufacturing a secondary battery according to one aspect of the present invention is for manufacturing a secondary battery with a semi-assembly including a case having an accommodation space and an electrode assembly disposed in the accommodation space, and may comprise: a support part for supporting the semi-assembly; an injection part injecting an electrolyte into the accommodation space; and a first moving part relatively moving the semi-assembly and the injection part while the electrolyte is discharged from the injection part into the accommodation space.
Resumen de: WO2025192829A1
Disclosed are a battery system and a vehicle including same, the battery system comprising: a battery module; a pack case having the battery module installed therein; and resilient parts installed between the pack case and the battery module, pressing the battery module relative to the pack case, and the ends of which are supported by the pack case or the battery module through a cap made of a fire-resistant material.
Resumen de: WO2025192816A1
A battery module, and a battery pack and a vehicle including same are disclosed. The battery module according to an embodiment of the present invention comprises: a battery cell stack in which a plurality of battery cells are stacked; a module case housing the battery cell stack; and flame retardant pads disposed between the plurality of battery cells inside the module case, wherein the module case is provided with fracturing parts that facture when subjected to gas.
Resumen de: WO2025192823A1
Disclosed are a battery module, and a battery pack and a vehicle comprising same, the battery module comprising: a first battery cell; a second battery cell arranged to face and be in contact with the first battery cell; and a graphite sheet provided between the first battery cell and the second battery cell and the side surfaces of which are in surface contact with the respective facing side surfaces of the first battery cell and the second battery cell.
Resumen de: WO2025189859A1
The present application relates to an energy storage unit heating method, an apparatus, a device, a storage medium, and a program product. The method comprises: when it is determined that an energy storage system needs reserved electric quantity, acquiring the electric quantity of each energy storage unit of the energy storage system, and controlling the electric quantity of each energy storage unit not to be less than preset electric quantity; and if a first target energy storage unit having a temperature lower than a first preset temperature is present among the energy storage units, controlling the first target energy storage unit to be heated in a self-heating mode. The electric quantity of each energy storage unit of the energy storage system is acquired, and the electric quantity of each energy storage unit is controlled not to be less than the preset electric quantity, so that the electric quantity of each energy storage unit is reserved in advance, the subsequent self-heating energy source problem is solved, and preparation is made for the subsequent self-heating. Therefore, the energy storage unit which does not use a heating source can be heated in the self-heating mode when the temperature of the energy storage unit is lower than the first preset temperature, increasing the temperature of the energy storage unit.
Resumen de: WO2025189991A1
The present application provides a cluster control box for a battery cluster, and an energy storage device. The cluster control box comprises a housing, a switch assembly located in the housing, input interfaces and output interfaces formed in the housing, input wires for connecting the input interfaces to the switch assembly, and output wires for connecting the output interfaces to the switch assembly; in the height direction of the housing, the height of the input interfaces relative to the bottom wall of the housing is different from the height of the output interfaces relative to the bottom wall of the housing, and the input wires and the output wires are stacked; the input wires or the output wires extend in the depth direction of the housing; and the switch assembly is arranged in the extension direction. In the solution, a novel battery cluster control box layout scheme is used; and according to the scheme, a power loop is in a square-shaped layout, space in the height direction is fully utilized, and stereoscopic stacking is achieved, thereby achieving a high space utilization rate and a compact layout. Compared with existing solutions, a power path/loop is greatly shortened, the required length of copper bars is reduced, the costs are reduced, and the system efficiency is improved.
Resumen de: WO2025189858A1
A cap structure (100, 200) and a battery. The cap structure (100, 200) comprises a cap assembly (10) and a sealing ring (20), wherein the sealing ring (20) is sleeved on the cap assembly (10). A first sealing portion (201) of the sealing ring (20) comprises a first outer wall (2011), a first inner wall (2012), a second outer wall (2013), and a second inner wall (2014). The distance between the first outer wall (2011) and a central axis is greater than the distance between the second outer wall (2013) and the central axis, and the ratio of the distance between the second outer wall (2013) and the extension line of the first outer wall (2011) to the distance between the extension line of the second inner wall (2014) to the first inner wall (2012) is 1:(1-10). The cap assembly (10) is arranged corresponding to the second inner wall (2014).
Resumen de: WO2025192828A1
A battery pack is disclosed. The battery pack according to an embodiment of the present invention may comprise: a base plate; a first battery module provided on the upper surface of the base plate; and a partition wall comprising a fixed wall, which is provided on the upper surface of the base plate and has an opening facing the first battery module, and a moving wall, which covers the opening and is provided so as to be movable.
Resumen de: WO2025192312A1
An electrode 10 according to the present disclosure comprises: an electrode active material 12; and a solid electrolyte 14 that is in contact with the electrode active material 12. The electrode active material 12 contains an oxide that contains titanium and does not contain lithium. The solid electrolyte 14 contains lithium aluminum germanium titanium phosphate in which the ratio of the amount of substance of titanium to the total of the amount of substance of germanium and the amount of substance of titanium is within the range of 0.015/1.5 to 0.04/1.5 inclusive.
Resumen de: WO2025192822A1
A battery cell, a battery module, and a battery pack and a vehicle comprising same are introduced, wherein the battery cell is packaged with a packaging material including an aluminum layer and a polymer layer, wherein the packaging material is characterized in that a graphite layer is disposed on the aluminum layer, or on the polymer layer, or between the aluminum layer and the polymer layer.
Resumen de: WO2025192808A1
The present disclosure relates to a secondary battery. The described technical problem is to be solved by providing a secondary battery including a cap-up with improved quality. To this end, the present disclosure provides a secondary battery comprising: a housing; an electrode assembly accommodated in the housing; and a cap assembly, which blocks a portion of the housing so as to seal the electrode assembly, wherein the cap assembly includes a cap-up containing aluminum (Al) as a main component and 5 wt% or more of magnesium.
Resumen de: WO2025192801A1
An electrolyte for a secondary battery, according to embodiments of the present invention, comprises: a lithium salt; an organic solvent; a first additive represented by chemical formula 1; and a second additive comprising at least one selected from the group consisting of compounds represented by chemical formulas 2 to 6.
Resumen de: WO2025192790A1
The present invention provides an energy storage module capable of preventing heat propagation when an event occurs in a specific battery cell. The energy storage module according to one embodiment of the present invention comprises: a cover member including an inner accommodation space; a plurality of battery cells, which are arranged in the accommodation space and arranged in one direction; an upper cover coupled to the cover member; a heat dissipation plate arranged between the battery cell and the upper cover; and a fire extinguishing sheet in contact with one side of the heat dissipation plate, wherein the fire extinguishing sheet sprays a fire extinguishing agent at a preset temperature or higher.
Resumen de: WO2025189779A1
An electrode sheet thermal compounding system, comprising a first electrode sheet discharging assembly, a separator discharging assembly, a first thermal compounding assembly, a second electrode sheet discharging assembly, and a second thermal compounding assembly which are sequentially arranged in the electrode sheet conveying direction; the first thermal compounding assembly and the second thermal compounding assembly each comprise two hot pressing rollers, a protective film unwinding mechanism, and a dust removal mechanism; the protective film unwinding mechanisms are used for unwinding protective films; the protective films pass through the position between the two hot pressing rollers; and the hot pressing rollers are used for performing hot pressing on the protective films.
Resumen de: WO2025189704A1
A negative electrode paste, a negative electrode sheet, a secondary battery and an electrical device. The negative electrode paste comprises a main component and a solvent; the main component comprises a negative electrode active material, a binder, a linear conductive material and an additive capable of participating in formation of an artificial solid electrolyte interphase; with the total mass of the main component being 100%, the mass percentage of the linear conductive material is 0.02%-1%, and the mass percentage of the additive is 0.2%-3%. Preparing a negative electrode film layer of a negative electrode sheet by using the negative electrode paste allows a secondary battery to have better storage performance and cycle performance.
Resumen de: WO2025189801A1
A battery pack and a vehicle. The battery pack comprises: a box body, as well as multiple battery cells (1), a fixed connection member (2) and a mounting member (5), provided inside the box body. The multiple battery cells (1) are distributed in an array along a first direction and a second direction, the fixed connection member (2) is disposed between two adjacent battery cells (1) along the first direction and is connected to the two adjacent battery cells (1), and the first direction intersects with the second direction. The mounting member (5) is connected to the fixed connection member (2). The box body is provided with a first through hole (411) at a position corresponding to the mounting member (5), and at least a portion of the mounting member (5) is disposed in the first through hole (411) in a penetrating manner, so as to connect to an electrical device. By means of providing a fixed connection member (2) between adjacent battery cells (1) and connecting a mounting member (5) to the fixed connection member (2), the middle of the battery pack can be mounted, thereby helping to further increase mounting reliability for the battery pack; additionally, the mounting member does not occupy battery cell installation space, further increasing the energy density of the battery pack.
Nº publicación: WO2025189708A1 18/09/2025
Solicitante:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
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Resumen de: WO2025189708A1
Disclosed in the present application are a sodium secondary battery and an electrical device. The sodium secondary battery comprises a positive electrode active material, the positive electrode active material comprising a sodium ion layered transition metal oxide; an R element is doped in the sodium ion layered transition metal oxide, and the R element comprises at least one of Ti, Al, Mg, Zr or Zn; the difference between the mole percentage r of the R element in metal elements excepting Na in a surface selected area and the mole percentage s of the R element in the metal elements excepting Na in a bulk selected area is 5%-30%.
BOPI
Sede Electrónica
