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1509
resultados
Última actualización
17/03/2026 [07:16:00]
Resultados 225 a 250 de 1509
Resumen de: WO2026054633A1
The present invention relates to a cleaner, comprising: a main body housing in which a suction motor that generates a suction airflow is accommodated; a battery including a battery cell that supplies power to the suction motor; and a handle disposed between the suction motor and the battery and configured to be gripped, wherein the handle has a cooling channel formed thereinside, through which at least a portion of air discharged from the suction motor flows, and the battery includes a ventilation opening in communication with the cooling channel, such that a portion of the air discharged from the suction motor can circulate air inside the battery.
Resumen de: WO2026051534A1
The present application relates to the technical field of batteries, and specifically to a positive electrode material and a preparation method therefor, a sodium secondary battery, and an electric device. The positive electrode material comprises single-crystal particles and/or quasi-single-crystal particles of a layered transition metal oxide. The design method provided by the present application is conducive to prolonging the cycle service life of the sodium secondary battery.
Resumen de: WO2026051530A1
A tray, a transfer device and a testing apparatus. The tray (100) comprises a support plate (1), pressing plate assemblies (2) and magnetic attraction assemblies, wherein the support plate is configured to carry a battery cell (200); each pressing plate assembly comprises a connecting base (21) and a pressing plate (22), the connecting base being connected to the support plate, and the pressing plate being rotatably connected to the connecting base and being operably switched between a first position state and a second position state; the magnetic attraction assemblies are disposed on the corresponding connecting bases and configured to hold the pressing plates in the first position state or the second position state; each pressing plate comprises a first contact portion (221) and a second contact portion (222); when the pressing plates are in the first position state, the first contact portions abut against the battery cell to press the battery cell tightly against the support plate; and when the pressing plates are in the second position state, the second contact portions abut against the corresponding connecting bases to release the battery cell. By means of the magnetic attraction force between the magnetic attraction assemblies and the pressing plates, the tray enables the pressing plates to be stably held in either the first position state or the second position state, thereby conveniently and quickly pressing or releasing the battery cell.
Resumen de: WO2026051562A1
The present application relates to the technical field of batteries, and in particular to a battery cell and a battery pack. The battery cell comprises: a casing, in which an accommodating cavity is formed; and a cover plate, welded to the casing to seal the accommodating cavity, wherein after welding, a weld portion is formed between the cover plate and the casing; formula (I), wherein C is the perimeter of the cover plate and is expressed in mm, S is the area of the cover plate and is expressed in mm2, K is the shear strength of the cover plate and is expressed in Mpa, and B is the fusion depth of the weld portion and is expressed in mm. In the present invention, the perimeter C of the cover plate, the area S of the cover plate, the shear strength K of the cover plate, and the fusion depth B of the weld portion are defined to satisfy the condition C/S×B×K≥1.25, so that the welding strength between the casing and the cover plate can be ensured, and the weld portion is prevented from cracking, thereby ensuring the airtightness of the battery cell, and further ensuring the use safety of the battery cell.
Resumen de: WO2026051574A1
An ice cream machine, comprising a housing, an inner container, a mounting seat, a first sealing member, and a stirring device. The housing has a double-layer structure, consisting of an outer housing layer and an inner housing layer. The outer housing layer and the inner housing layer are connected, forming a hollow vacuum interlayer portion therebetween. A first placement space formed among the housing, the inner container, the mounting seat, and the first sealing member is a first-layer sealing structure. The vacuum interlayer portion formed between the outer housing layer and the inner housing layer is a second‑layer sealing structure. The double‑layer structure is in a vacuum state and works in conjunction with a refrigerant, to prevent cooling loss from the inner container, thereby achieving an insulating and freezing effect.
Resumen de: WO2026051209A1
Provided in the present application are a battery thermal runaway early-warning method and apparatus, an electronic device, and a storage medium. The method comprises: acquiring an electrical performance data sequence of a battery to be tested; performing filtering detection processing on the electrical performance data sequence to obtain filtered electrical performance data; and on the basis of the filtered electrical performance data, determining whether the battery meets a preset warning condition, and when the battery meets the preset warning condition, outputting an early-warning signal. The method improves the accuracy and effectiveness of thermal runaway early-warning for the battery.
Resumen de: WO2026051189A1
The present application provides a battery module, comprising a plurality of batteries and a venting structure, wherein extension portions of the venting structure are configured to be fixed to a plurality of busbars, the venting structure is fixed to the tops of the batteries by means of the provided extension portions connected to the busbars, the venting structure is integrally mounted on the tops of the batteries so that the overall structure of the battery module is stable, and clearance is formed between the busbars and the venting structure, so as to facilitate subsequent connection of the busbars to negative and positive electrodes and also facilitate subsequent sealing fit between the venting structure and an explosion-proof valve.
Resumen de: WO2026051170A1
The present application relates to the field of batteries, and provides a fixture, an isostatic pressing apparatus, and a battery production device. The fixture comprises at least two clamping plates and a pressure assembly. The clamping plates are stacked in a first direction, and a packaged electrode assembly is located between any two adjacent clamping plates. The pressure assembly is configured to apply pressure to the clamping plates in the first direction, so that any two adjacent clamping plates move close to each other. Each clamping plate comprises a support layer and a flexible layer stacked in the first direction, the flexible layer is located on at least one side of the support layer close to the packaged electrode assembly, and the hardness of the flexible layer is less than the hardness of the support layer. During isostatic pressing, a pressurizing medium pushes the clamping plates to apply pressure to the packaged electrode assembly to achieve densification processing. The support layer has relatively high hardness, enabling the clamping plate to possess certain hardness to apply pressure to the packaged electrode assembly; the packaged electrode assembly is in contact with the flexible layer, and the flexible layer has relatively low hardness, thereby reducing the possibility of damage to the packaged electrode assembly.
Resumen de: WO2026051162A1
A sodium-ion solid-state electrolyte and a preparation method therefor, and an all-solid-state sodium-ion battery. The electrolyte comprises a substrate and an interface protection layer, wherein the interface protection layer covers a surface of the substrate; the substrate is a polymer electrolyte; the interface protection layer is a metal; and the metal comprises at least one of Sn, Zn, In, Sb, Bi and Ge. By covering the surface of the substrate with the metal source serving as the interface protection layer, a stable metal thin layer interface is formed by means of the alloying of sodium and the metal source, which metal thin layer interface can effectively prevent the growth of sodium dendrites, reduce damage to the sodium-ion solid-state electrolyte in the cycling process of a battery, improve the interfacial wettability and reduce the interfacial charge transfer resistance, thereby improving the interface stability of a sodium metal negative electrode and the solid-state electrolyte, and therefore a stable long-cycle all-solid-state sodium-ion battery is obtained.
Resumen de: WO2026054637A1
Disclosed is an all-solid-state battery using a non-carbon-based tungsten oxide cathode additive having high conductivity and high safety. The cathode additive according to an embodiment comprises a tungsten oxide having an oxygen vacancy, and the tungsten oxide can replace a carbon-based conductive material in a cathode composite compound for an all-solid-state battery.
Resumen de: WO2026054534A1
The present invention relates to a method for manufacturing a lithium secondary battery electrode, a lithium secondary battery electrode manufactured using same, and a lithium secondary battery comprising same, the method comprising the steps of: making one surface of an electrode active material layer come in contact with a transfer laminate in which a substrate layer and a lithium metal layer are in direct contact with each other, so that the electrode active material layer and the lithium metal layer face each other; and pressing, at a pressure of 6 kgf/cm2 or less, and aging the electrode active material layer in contact with the transfer laminate, wherein the transfer laminate is formed by making the lithium metal layer come in contact with one surface of the substrate layer and rolling same.
Resumen de: WO2026054537A1
A method of preparing a raw material for a lithium iron phosphate positive electrode, according to one embodiment, comprises the steps of: extracting valuable metals from a metal oxide-based waste positive electrode material and preparing an extraction residue containing phosphorus as an impurity; adding, to the extraction residue, an iron-containing precipitating agent that forms a precipitate with phosphorus and recovering the precipitate; washing the recovered precipitate and then drying same; and calcining the dried precipitate.
Resumen de: WO2026054493A1
An insulating composition according to an embodiment of the present invention comprises a solid portion at a content of 35 wt % or less with respect to the total weight thereof, wherein the solid portion comprises inorganic particles, a polymer material, and clay, the clay has positive and negative charges distributed in the particles and is included in an amount of 0.01 parts by weight to 10 parts by weight with respect to 100 parts by weight of the solid portion, and the polymer material comprises a functional group-containing polymer. The insulating composition exhibits low viscosity at high shear rates and high viscosity at low shear rates, thereby providing excellent coating processability. During formation of an insulating layer, sliding portions are minimized so that the insulation width can be formed narrowly, thereby preventing a problem in which the positive/negative electrode capacity ratio may be reversed due to sliding portions.
Resumen de: WO2026051527A1
Embodiments of the present application provide a battery cell detection apparatus and a detection method using same, and a battery cell detection system and a detection method using same. The battery cell detection apparatus comprises: a detection apparatus arranged at a detection station; a conveying apparatus used for conveying a battery cell from a first placement position to a second placement position, the first placement position and the second placement position being located on two opposite sides of the detection apparatus; a first transfer apparatus arranged on a first side of the detection apparatus and used for transferring a grabbed battery cell to the detection station and placing a detected battery cell at the first placement position; and a second transfer apparatus arranged on a second side of the detection apparatus and used for grabbing a battery cell at the second placement position and transferring the grabbed battery cell to the detection station. The first transfer apparatus is configured to move a part to be detected of a battery cell to a first preset position, and the second transfer apparatus is configured to move a part to be detected of a battery cell to a second preset position. The detection apparatus is configured to detect the battery cell grabbed by the first transfer apparatus and/or the battery cell grabbed by the second transfer apparatus.
Resumen de: WO2026051553A1
The present application discloses a cabinet (10), an energy storage apparatus (100), and an electrical device (200). The cabinet (10) comprises a base (11), a first limiting member (12), and a second limiting member (13). The base (11) is provided with an accommodating recess (111) extending in a first direction (x). The accommodating recess (111) is provided with a first end (111a) and a second end (111b) disposed opposite to each other in the first direction (x). The first limiting member (12) is disposed on the base (11) and is located at the second end (111b). The first limiting member (12) abuts an end of a heat dissipation module (20) facing the same direction as the second end (111b). A limiting portion (13a) of the second limiting member (13) is connected to the first limiting member (12). A side of the limiting portion (13a) abuts a side of the heat dissipation module (20) along a second direction (y). A guide portion (13b) extends obliquely from the limiting portion (13a) towards the first end (111a) in the first direction (x), and is arranged to gradually diverge from the side of the limiting portion (13a) abutting the heat dissipation module (20). The guide portion (13b) is used to provide installation guidance for the heat dissipation module (20) to move into the accommodating recess (111) from the first end (111a) towards the second end (111b) so as to abut one side of the limiting portion (13a).
Resumen de: WO2026050899A1
Provided in the present application are a battery cell, a battery device and an electrical device. With respect to the battery cell of the present application, the areal density of a positive electrode film layer on a single side is 0.33 g/1540.25 mm2 to 0.4 g/1540.25 mm2, and the areal density of a negative electrode film layer on a single side is 0.15 g/1540.25 mm2 to 0.19 g/1540.25 mm2; in a first direction, the size of the positive electrode film layer is W1 mm, and the size of the negative electrode film layer is W2 mm, wherein W2>W1, and the difference between W2 and W1 is 3 mm to 5 mm.
Resumen de: WO2026050895A1
A battery cell, a battery device, and an electric device. In the battery cell, a positive electrode active material comprises a lithium-containing phosphate salt having an olivine structure; the average particle size Dv50 of a negative electrode active material is 8 μm to 15 μm, and the negative electrode active material comprises graphite; and an electrolyte comprises a carbonate additive, the carbonate additive comprises fluoroethylene carbonate (FEC) and vinylene carbonate (VC), and on the basis of the total mass of the electrolyte, the mass proportion of the carbonate additive is 0.5% to 7%.
Resumen de: WO2026050973A1
A thermal management method and apparatus, an electronic device, a storage medium, and a program product. The method comprises: when a battery apparatus of a vehicle is charged, if energy provided by a thermal management system of the vehicle does not meet a temperature regulation requirement of the battery apparatus, controlling an energy storage apparatus of the thermal management system to use pre-stored energy to perform thermal management, wherein the pre-stored energy is energy which is stored by means of the energy storage apparatus when the thermal management system determines, on the basis of the current temperature and charging information of the battery apparatus, that the vehicle meets an energy storage trigger condition. By means of the solution, the capability of the thermal management system can be improved without changing thermal management hardware, thereby meeting actual thermal management requirements of the vehicle.
Resumen de: WO2026050901A1
A battery cell, a battery device, and an electric device. In the battery cell, a positive electrode active material comprises an olivine-structured lithium-containing phosphate, and in the cross section of a positive electrode film layer in the thickness direction, the olivine-structured lithium-containing phosphate contains first lithium-containing phosphate particles having a maximum diameter of 0.05 μm to 0.3 μm, and second lithium-containing phosphate particles having a maximum diameter of 1 μm to 3 μm; the average particle size Dv50 of a negative electrode active material is 8 μm to 15 μm, and the negative electrode active material comprises graphite.
Resumen de: WO2026054524A1
The present invention relates to a sulfide-based solid electrolyte represented by chemical formula 1, a manufacturing method therefor, and an all-solid-state battery comprising same. Chemical formula 1 Li7-b-c-(a×d)MaPS6-b-cClbBrc In chemical formula 1, M is at least one selected from metals satisfying expression 1, a satisfies 0.01≤a≤0.5, b satisfies 0.2≤b≤1.5, c satisfies 0.2≤c≤1.5, d denotes d in an M cation (Md+) with valence d+, b and c satisfy 0.4≤b+c≤1.5, and a, b, c, and d satisfy 5<7-b-c-(a×d)<5.6. Expression 1 0.2<(rM/d)/(rLi)<0.7 In expression 1, rM indicates a hexacoordinate ionic radius (Shannon radius) of the cation Md+ with valence d+, d denotes d in an M cation (Md+) with valence d+, and rLi indicates a hexacoordinate ionic radius of Li+.
Resumen de: WO2026054497A1
According to one aspect of the present invention, an insulating composition comprises 35 wt % or less of solid content with respect to the total weight, and is characterized by the solid content comprising inorganic particles and a polymer material, having a viscosity of 4,000 mPa·s or greater at a shear rate 0.0251 s-1, and having a viscosity of 400 mPa·s or less at a shear rate 251 s-1. The insulating composition has a low viscosity at a high shear rate and a high viscosity at a low shear rate, thereby having excellent coating processability, and can form a narrow insulating width by minimizing a sliding part when forming an insulating layer, thereby preventing the problem that a positive/negative electrode capacity ratio that may occur due to the sliding part is reversed.
Resumen de: WO2026054437A1
The tension control system of a roll-to-roll facility related to the present embodiment may comprise: a load cell which comprises an unwinder provided to unwind a substrate, a rewinder provided to wind the substrate, and transfer rolls arranged between the unwinder and the rewinder to guide travelling of the substrate, and is provided to measure a vertical load of the travelling substrate; a friction coefficient measuring unit provided to measure a friction coefficient between the travelling substrate and the transfer rolls; a dancer roll which guides the travelling of the substrate and is provided to be movable in a direction perpendicular to the width direction of the substrate; and a tension controller provided to receive a measured value input from the load cell and a measured value input from the friction coefficient measuring unit to control operation of the dancer roll so as to control tension of the travelling substrate.
Resumen de: WO2026054440A1
The present invention relates to a cathode active material, and a cathode and a lithium secondary battery which comprise the cathode active material. The cathode active material comprises: a lithium iron phosphate-based compound having an olivine structure; and a coating portion formed on the lithium iron phosphate-based compound and containing carbon and nitrogen, wherein the value of X1 according to equation 1 described in the present specification is 0.550-0.850, and the value of X2 according to equation 2 described in the present specification is 0.0030-0.0065.
Resumen de: WO2026051515A1
A battery electrode sheet heating control method and a system. The battery electrode sheet heating control method comprises: controlling a heating device to heat a battery electrode sheet in a heating region on the basis of a preset heating parameter; acquiring the thickness of the heated battery electrode sheet; and when the thickness of the heated battery electrode sheet does not meet a thickness requirement, adjusting the preset heating parameter on the basis of the thickness of the heated battery electrode sheet, so as to control the heating device to heat a following battery electrode sheet on the basis of the adjusted preset heating parameter. By means of the battery electrode sheet heating control method, the thickness of a battery electrode sheet in a heating process can be monitored online, and a preset heating parameter can be flexibly adjusted when it is determined that the thickness of the heated battery electrode sheet does not meet the thickness requirement, thereby correcting the thickness of the battery electrode sheet in a timely manner and improving the thickness uniformity of the heated battery electrode sheet.
Nº publicación: WO2026051558A1 12/03/2026
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
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Resumen de: WO2026051558A1
A battery cell, a battery device, and an electric device. The battery cell comprises a first cushioning assembly and at least one electrode assembly; each electrode assembly comprises a main body portion and a tab portion connected to at least one side of the main body portion in a first direction, the main body portion comprises a positive electrode portion containing a positive electrode active material, a negative electrode portion containing a negative electrode active material, and a solid electrolyte layer, the positive electrode portion, the solid electrolyte layer, and the negative electrode portion are stacked in the thickness direction of the battery cell, and the first direction is perpendicular to the thickness direction; and the first cushioning assembly is provided on at least one side of the at least one electrode assembly in the thickness direction, and a projection of the main body portion in the thickness direction is located within a projection of the first cushioning assembly in the thickness direction. The use reliability of the battery cell can be improved.
BOPI
Sede Electrónica
