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1118
resultados
Última actualización
04/02/2026 [07:29:00]
Resultados 25 a 50 de 1118
Resumen de: WO2026021416A1
The present application provides a self-moving device and a self-moving device system. The self-moving device comprises a device body, a driving assembly, and a first electrode assembly. The driving assembly comprises a first driving member and a second driving member; the first driving member and the second driving member are respectively arranged on two opposite sides of the device body; the first driving member and the device body define a first space; and the second driving member and the device body define a second space. The first electrode assembly comprises a first electrode member and a second electrode member; the first electrode member is disposed on the device body and exposed in the first space; and the second electrode member is disposed on the device body and exposed in the second space.
Resumen de: WO2026021256A1
Provided are an inter-chip communication circuit and method, a communication interval time determination circuit and method, and a chip. The inter-chip communication circuit may comprise: a receiving circuit, used for receiving data frames; a memory, used for storing the received data frames; a counter circuit, used for determining a frame reception duration for receiving a data frame; a decoder circuit, used for obtaining a negative feedback adjustment value on the basis of the amount of data to be transmitted, which is stored in the memory; an adder circuit, used for determining an interval time on the basis of the frame reception duration and the negative feedback adjustment value; and a transmission circuit, used for transmitting the data frames by using the determined interval time as a transmission interval between the data frames.
Resumen de: WO2026021198A1
The present application relates to the technical field of battery cells, and discloses a battery cell casing, a battery cell, and a power device. The battery cell casing comprises a casing body. The casing body comprises a first connection edge and a second connection edge; the first connection edge and the second connection edge are connected by means of a weld seam; and a cavity used for accommodating an electrode assembly is defined inside. Along the width direction of the weld seam, the weld seam comprises a central zone and heat-affected zones located on two sides of the central zone. The tensile strength of the weld seam is K, with a unit of "MPa", and the tensile strength of the casing body is R, with a unit of "MPa", satisfying: 0.6≤K/R≤0.8. In a tensile test on a casing sample provided with a weld seam, the fracture position of the casing sample is not in the central zone. The present application can ensure that the weld seam has sufficient tensile strength, so that when the internal pressure of the battery cell rises, the battery cell casing would not crack in the central zone of the weld seam, thereby ensuring the safety performance of a battery and a vehicle.
Resumen de: WO2026021090A1
A battery pack has a first direction, a second direction and a third direction which intersect in pairs. The battery pack comprises a battery case (10) and thermal management structures (20); the battery case (10) comprises a case body (11) and an upper cover (12), the case body (11) is connected to the upper cover (12) to form a mounting cavity, and the thermal management structures (20) are arranged in the mounting cavity; and each thermal management structure (20) comprises a cooling portion (21) and a first mounting portion (22), the cooling portion (21) is connected to the first mounting portion (22), and the first mounting portion (22) is connected to the upper cover (12). The cooling portions (21) of the thermal management structures (20) are connected to the first mounting portions (22), and the first mounting portions (22) are connected to the upper cover (12), so that after the battery pack is mounted in a vehicle body, the stress on the thermal management structures (20) may be directly transmitted to the vehicle body rather than being transmitted to the vehicle body by means of components such as a side frame of the battery pack, thereby improving the safety performance of the battery pack.
Resumen de: WO2026021202A1
The present application relates to the technical field of batteries. Disclosed are a battery cell cover plate assembly, a battery cell and a power device. The battery cell cover plate assembly comprises a cover plate body and a sealing bead. The cover plate body is provided with a liquid injection hole, and the inner diameter of the liquid injection hole is A. The sealing bead is provided in a compressed manner in the liquid injection hole and is used for sealing the liquid injection hole, and the diameter of the sealing bead is B. The compression ratio of the sealing bead to the liquid injection hole is K, satisfying: K=(B-A)/A, and 4%≤K≤40%. The battery cell cover plate assembly provided in the present application can ensure the effect of the sealing bead sealing the liquid injection hole. The present application provides a new liquid injection hole sealing structure, which is different from the traditional sealing structure using plastic plugs and aluminum rivets, and can effectively improve the sealing effect for liquid injection holes. In addition, in the present application, the liquid injection hole is sealed only by using the sealing bead, allowing for fewer structural members, thereby effectively reducing costs. During production, a sealing bead can simply be pressed into a liquid injection hole, thereby reducing processing procedures, accelerating the production cycle, and improving economic benefits.
Resumen de: WO2026021287A1
Provided in the present application are a separator, and a preparation method therefor and the use thereof. The separator comprises a base membrane and a coating layer arranged on the surface of at least one side of the base membrane, wherein the coating layer comprises a three-dimensional skeleton formed by a layered bimetal hydroxide, which overlaps each other, and polymer microspheres disorderly distributed in the three-dimensional skeleton. Under the combined action of the three-dimensional skeleton and the polymer microspheres, the present application can both improve the interface adhesion between the separator and an electrode sheet, and enable the separator to have good air permeability and excellent electrolyte wettability and can improve the battery capacity and cycle stability.
Resumen de: WO2026021444A1
A three-phase composite sodium-storage material, and a preparation method therefor and the use thereof. The three-phase composite sodium-storage material is selected from any one of the structures represented by the following general formula: (FeS)x/(V3S4)y/C, where 0.2≤x≤5 and 0.2≤y≤5.
Resumen de: WO2026021061A1
The present application relates to the technical field of batteries. Disclosed are a sodium metal battery and a preparation method therefor, and an electric device. The sodium metal battery comprises a gel electrolyte, wherein the gel electrolyte comprises a solvent, a sodium salt and a polyacrylate, with the solvent comprising an ether compound. In the sodium metal battery provided in the present application, a gel electrolyte combining the ether compound and the polyacrylate is used for replacing a traditional liquid electrolyte, so as to optimize the high-temperature storage performance of a battery cell. By means of selecting an ether compound, which does not easily react with sodium, and combining same with the polyacrylate, a gel electrolyte suitable for a sodium metal battery is obtained, thereby significantly reducing the chemical reaction between sodium and the electrolyte, and further improving the high-temperature storage performance of the sodium metal battery.
Resumen de: WO2026021234A1
The present disclosure relates to a battery pack, a battery apparatus, and an electrical device. The battery pack comprises a plurality of batteries arranged in sequence in a first direction. Each battery comprises a housing, a cell, and two pole assemblies; the cell is located in the housing of the battery; each pole assembly is used for being connected to the cell; in a second direction, the two pole assemblies are arranged on two sides of the cell, the second direction intersecting the first direction; the two pole assemblies extend away from each other and separately extend out of the housing; and the pole assemblies of the batteries located on a same side in the second direction are sequentially connected. In the battery pack of the present disclosure, the charging and discharging of the batteries are realized by means of two pole assemblies arranged on two sides, and the pole assemblies located on the two sides can shorten a conduction path of current and reduce a passing current, thereby reducing heat generated by the batteries and improving the charging and discharging capability of the batteries.
Resumen de: WO2026021745A1
The invention relates to a method for monitoring a forming process (14) of a battery cell (12) by means of a forming apparatus (10), comprising the steps of: charging the battery cell (12) with at least one first forming current (22) by means of a charging device (16) of the forming apparatus (10); detecting an actual acoustic signal (30) of the battery cell (12) during the forming process (14) by means of an acoustic detection device (18) of the forming apparatus (10); and monitoring the forming process (14) by comparing the actual acoustic signal (30) with a predefined target acoustic signal (32) by means of an electronic computing device (20) of the forming apparatus (10). Furthermore, the invention relates to a computer program product, to a computer-readable storage medium, and to a forming apparatus (10).
Resumen de: WO2026021712A1
The invention relates to a cooling plate (1) for controlling the temperature of electrical and/or electronic components, comprising a plate body (2), comprising a channel system (4) formed in the plate body (2) between a plate upper face and a plate lower face and intended for carrying a coolant (5), and comprising a coolant inlet (6) and a coolant outlet (7), wherein: the channel system (4) connects the coolant inlet (6) to the coolant outlet (7); in a projection oriented perpendicular to a plate plane (3), a cooling area (8), through which a coolant (5) can flow, of the channel system (4) defines a cooling area portion (10) with respect to a plate area (9) formed by the plate body (2); the channel system (4) has an inlet region (11) containing the coolant inlet (6) and has an outlet region (12) containing the coolant outlet (7); and the channel system (4) is configured such that the cooling area portion (10) is smaller in the inlet region (11) than in the outlet region (12).
Resumen de: WO2026021678A1
Disclosed is a thermal runaway prevention sheet including a heat barrier layer, the heat barrier layer including: a silicone-based resin matrix including a plurality of micropores; first inorganic filler particles inserted in the silicone-based resin matrix and having an average particle diameter of 0.7 ㎛ to 20 ㎛; second inorganic filler particles inserted in the silicone-based resin matrix and having an average particle diameter of 1 nm to 100 nm; first reactive particles inserted in the silicone-based resin matrix and generating a binder that is bonded to the first inorganic filler particles and the second inorganic filler particles by heat; and second reactive particles inserted in the silicone-based resin matrix and generating the binder by the heat.
Resumen de: WO2026022498A1
Disclosed is a method for treating reverse extract liquid. This method utilizes the difference of the standard electrode potentials of various metals. Firstly, copper is recovered through cyclone electrolysis. At the same time, the chlorine gas generated by the electrolysis can remove TOC and avoid contaminating subsequent extractants. Then, zinc is separated using zinc precipitation reagents, and finally, manganese and calcium are separated using saponified Cyanex272 extractant to obtain manganese sulfate. The method of the present application is capable of graded recovery of valuable metals such as manganese, copper, zinc and the like. The purity of the recovered manganese sulfate reaches battery-grade. Compared to recovering copper in the form of copper sulfide, the sponge copper obtained in the present application has a purity greater than 98%, which has better application prospects and economic benefits. Moreover, by selectively abandoning sodium, calcium, and aluminum with low recovery value, the operation process can be simplified, unnecessary auxiliary material input can be reduced, and higher economic value can be achieved; at the same time, the method of the present application does not generate solid waste and has good environmental performance. Drawing of Abstract
Resumen de: US20260031345A1
Disclosed are a positive electrode active material for a rechargeable lithium battery, a positive electrode, and a rechargeable lithium battery, the positive electrode active material for a rechargeable lithium battery including large particles including a first lithium nickel-based composite oxide and small particles including a second lithium nickel-based composite oxide, wherein a nickel content based on 100 mol % of a total metal excluding lithium is greater than or equal to about 80 mol %, a ratio of a weight of the first lithium nickel-based composite oxide and a weight of the second lithium nickel-based composite oxide in the positive electrode active material is about 1 to about 4, a span of the first lithium nickel-based composite oxide is about 0.9 to about 1.2, a span of the second lithium nickel-based composite oxide is about 0.9 to about 1.2, and a span of the positive electrode active material is about 1.5 to about 2.
Resumen de: WO2026020613A1
The present application discloses a charging control circuit, a battery pack, and an electric device. The charging control circuit comprises a negative voltage isolation module, a charging switch module, and a bleeder module. The negative voltage isolation module is connected to a charging signal, and is configured to isolate negative voltage generated by a charger; the charging switch module is configured to control the connection/disconnection of a charging circuit of an energy storage module; and the bleeder module is configured to bleed charges stored in the charging switch module.
Resumen de: WO2026020641A1
The present invention relates to a high-entropy doped positive electrode material, and a preparation method therefor and the use thereof. The high-entropy doped positive electrode material comprises a material having the chemical formula of LiNixCoyMnzBaMbO2, wherein 0.80≤x＜0.98, 0＜y＜0.2, 0＜z＜0.2, a＞0, b＞0, a≥b, x+y+z+a+b＝1, and M comprises at least four of Al, Zr, Sr, Sn, Sb, Si, Ba, Y, W, Ta, Ti, Mo, Nb, La, Ta and Ce. The high-entropy doped positive electrode material can have both relatively high specific capacity and cycling stability.
Resumen de: WO2026020607A1
Provided in the present application are a bottom protection plate for a battery pack, a battery pack comprising same, and a vehicle. The bottom protection plate for a battery pack comprises a metal plate and a powder coating arranged on a surface of the metal plate, wherein the thickness of the powder coating is 50-400 μm, the surface roughness of the powder coating is 15-60 μm, and the coefficient of dynamic friction between the powder coating and nitrile rubber is greater than or equal to 0.5. The solution can solve the problem of slipping caused by sliding friction during the circulation of the battery pack equipped with the powder-coating-containing bottom protection plate in a battery swap station, and can further improve the wear resistance of the battery pack and prolong the service life of the battery pack.
Resumen de: WO2026020602A1
An iron phosphate material, a preparation method therefor, and a use thereof. The iron phosphate material is secondary particles formed by the agglomeration of primary particles, wherein the equivalent particle size of the primary particles is 20 nm-600 nm, and the D50 of the secondary particles is 5 μm-20 μm. The value of the hardness index of the iron phosphate material is less than or equal to 5; and in hardness index = (I), (II) is the average major-to-minor axis ratio of the primary particles. The average major-to-minor axis ratio refers to the ratio of the average length of the longest axis to the average length of the shortest axis of the primary particles. Vp is the specific pore volume of the iron phosphate material, with a unit of cm3/g. The iron phosphate material satisfying these characteristics has a loose structure and relatively low overall hardness, can improve the efficiency of grinding with a lithium source when used for preparing a positive electrode material, and has less wear on machinery. The prepared positive electrode material has good electrochemical performance.
Resumen de: WO2026024030A1
Provided is a cathode active material in the form of secondary particles formed by aggregation of primary particles comprising a lithium transition metal composite oxide. The lithium transition metal composite oxide comprises lithium, nickel, and manganese, and additionally comprises boron as a doping element, wherein, in the lithium transition metal composite oxide, a molar content of manganese is greater than a molar content of nickel. The primary particles have an average particle size of 200-800 nm, and the secondary particles have a particle size (D50) of 0.5-3.0 ㎛. As the cathode active material contains a trace amount of boron as a doping element, excellent flowability may be exhibited despite a small particle size.
Resumen de: WO2026023773A1
The present invention relates to a sulfide-based solid electrolyte, comprising a compound having an argyrodite-type crystal structure and represented by chemical formula 1:
Resumen de: WO2026023761A1
The present invention relates to a microporous polyolefin film and, more specifically, to a microporous polyolefin film, a method for manufacturing same, and a secondary battery comprising same, wherein the polyolefin comprises an alpha-olefin-derived unit and, with respect to the alpha-olefin-derived unit, the average pore size of the microporous film is 10 nm to 45 nm depending on the number of short chain branches (SCBs) per 1,000 carbon atoms in the polyolefin backbone.
Resumen de: WO2026023391A1
Problem To provide a load application device and a power storage device that improve the durability and energy consumption efficiency of an all-solid battery. Solution A load application device 1 applies a load to a layered structure 2 of an all-solid battery. The load application device 1 is characterized by comprising a support 10, an elastic part 11 that is supported from the support 10 and generates elastic force by elastic deformation, and a force transmission part 12 that contacts the elastic part 11 and the layered structure 2, separates the force in the layering direction of the layered structure 2 from at least a portion of the elastic force inputted from the elastic part 11 and transmitted in a force transmission direction that varies in response to the expansion and contraction of the layered structure 2, and transmits the separated force to the layered structure 2.
Resumen de: WO2026023715A1
A riveting device for a cylindrical battery is disclosed. The riveting device for a cylindrical battery includes a guide pin to improve assembly defects when assembling a rivet with a gasket and when assembling a rivet-gasket assembly with a can. The riveting device for a cylindrical battery according to an embodiment of the present invention arranges the central axis line of the gasket, the central axis line of the rivet, the central axis line of the can, and the central axis line of the guide pin on the same line when assembling the rivet with the gasket and when assembling the rivet-gasket assembly with the can.
Resumen de: US20260031399A1
The present application relates to a secondary battery and a preparation method therefor, and an electric device. The secondary battery comprises a positive electrode sheet, a negative electrode sheet, and an electrolyte. The positive electrode sheet comprises a positive electrode film layer; the positive electrode film layer comprises a positive electrode active material and a positive electrode electrolyte interface film; and the positive electrode electrolyte interface film comprises Li2MO4, wherein M comprises chalcogens. The electrolyte comprises a solvent and a lithium salt, and further comprises at least one of a lithium metal chelate and an additive capable of being combined with lithium ions to form a chelate.
Nº publicación: US20260031344A1 29/01/2026
Solicitante:
SK ON CO LTD [KR]
SK ON CO., LTD
Resumen de: US20260031344A1
A cathode for a lithium secondary battery and a lithium secondary battery including the same are provided. The cathode for a lithium secondary battery includes a cathode current collector, a first cathode mixture layer disposed on at least one surface of the cathode current collector, and including a first cathode active material being a lithium transition metal oxide particle having a single-crystal structure, and a second cathode mixture layer disposed on the first cathode mixture layer, and including a second cathode active material being a lithium transition metal oxide particle having a secondary particle structure.
BOPI
Sede Electrónica
