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1362
resultados
Última actualización
02/05/2026 [08:13:00]
Resultados 150 a 175 de 1362
Resumen de: WO2026086041A1
Provided in the present application are a terminal post structure, a terminal post structure preparation method, a top cover assembly and a battery. The terminal post structure comprises a terminal post and an electrode lead-out terminal. The terminal post comprises a first connection end and a second connection end opposite each other, the first connection end being configured to connect to a tab of the battery. The electrode lead-out terminal is welded and connected to the second connection end of the terminal post, and a weld region is formed at the joint between the electrode lead-out terminal and the terminal post. The terminal post comprises a first weld portion located in the weld region. The electrode lead-out terminal comprises a second weld portion located in the weld region, wherein the first weld portion envelops at least part of the second weld portion, and/or the second weld portion envelops at least part of the first weld portion.
Resumen de: US20260121213A1
Provided is a battery pack. The battery pack includes at least two battery modules. Each battery module includes a housing and multiple battery cells disposed in the housing. Multiple pressure relief holes are disposed on a side surface of the housing. The multiple pressure relief holes are in a one-to-one correspondence with the multiple cells. One end of each battery cell has an explosion-proof hole. The explosion-proof hole communicates with a corresponding pressure relief hole. Two adjacent battery modules form a module assembly. In the same module assembly, two housings are spaced apart to form a pressure relief channel, and pressure relief holes on the two housings are facing the pressure relief channel.
Resumen de: WO2026086006A1
The present application relates to the technical field of batteries. Provided are a thermal management method and thermal management system for a battery pack, and a vehicle. The thermal management method for a battery pack is used for the thermal management system for a battery pack. The thermal management system is configured to switch between a first circulation mode and a second circulation mode. The thermal management method for a battery pack comprises the following steps: determining that a battery pack has a cooling requirement; determining whether a thermal management system meets a mode switching condition; if the thermal management system does not meet the mode switching condition, controlling the thermal management system to operate in a first circulation mode or a second circulation mode; and if the thermal management system meets the mode switching condition, controlling the thermal management system to switch between the first circulation mode and the second circulation mode. The thermal management method for a battery pack of the present application reduces the number of times the thermal management system switches between a first circulation mode and a second circulation mode, thereby reducing the number of impacts on the internal structure of the thermal management system, which is conducive to prolonging the service life of the thermal management system.
Resumen de: US20260121048A1
0000 The present disclosure discloses a preparation method of sodium-rich sodium iron sulfate composite material and its application in sodium storage. The preparation method includes carrying out low-speed ball milling of iron-based sulfate and dispersion-treated carbon nanotubes (CNTs), performing vacuum drying and heat treatment, and naturally cooling to room temperature to obtain FeSO<4>/CNTs; mixing FeSO<4>/CNTs and anhydrous Na<2>SO<4 >according to a molar ratio of Na to Fe of 7:5.5, performing low-speed wet ball milling, vacuum drying, and grinding to obtain Na<2>SO<4>/FeSO<4>/CNTs; compacting Na<2>SO<4>/FeSO<4>/CNTs, loading in a tube furnace, holding at 350-400° C. for 10-24 h, cooling to room temperature, and grinding to obtain Na<7>Fe<5.5>(SO<4>)<9>/CNTs composite material. The inventive Na<7>Fe<5.5>(SO<4>)<9 >cathode material has the advantages of good specific capacity for sodium storage, excellent rate performance, and stable long cycle life.
Resumen de: WO2026085819A1
The present application relates to the field of lithium-ion batteries, and provides a lithium manganese iron phosphate material, a preparation method therefor, a positive electrode sheet, and a lithium-ion battery, wherein the lithium manganese iron phosphate material has a molecular formula of LixMnyFe1-y(PO4)z, where 0.7≤x≤1.1, 0.15≤y<1, 0.9≤z≤1.05, a manganese dissolution of 25-33 ppm, a powder resistivity of 12-28 Ω·cm, and a magnetic substance amount of 0.05-0.12 ppm. The lithium manganese iron phosphate material provided by the present application has a low powder resistivity, a small amount of magnetic substance, and a significantly reduced manganese dissolution, and when being used as a positive electrode active material for a lithium-ion battery, the corresponding lithium-ion battery can exhibit a higher charge-discharge rate and efficiency, thereby improving the electrical performance and safety stability of the lithium-ion battery.
Resumen de: US20260121111A1
Provided are an all-solid-state battery and application thereof, and the all-solid-state battery at least includes: at least two first solid electrolyte layers, respectively disposed on a positive electrode side and a negative electrode side of the all-solid-state battery, an ionic conductivity of a first solid electrolyte layer is 1×10−3 S/cm to 1×10−2 S/cm; and a second solid electrolyte layer, disposed between the two first solid electrolyte layers, an ionic conductivity of the second solid electrolyte layer is 1×10−3 S/cm to 2×10−2 S/cm. Through the all-solid-state battery and application thereof provided by the disclosure, the lithium dendrite penetration resistance performance of the solid electrolyte membrane in the all-solid-state battery may be improved, the interfacial stability between the solid electrolyte membrane and the negative electrode may be improved, thereby enhancing the cycle performance and safety of the battery.
Resumen de: US20260121108A1
The invention provides a solid electrolyte membrane and a preparation method and application thereof, wherein the solid electrolyte membrane includes a binder; and a sulfide solid electrolyte, and a molecular formula of the sulfide solid electrolyte is LiaP1-bMbScOdXe; wherein 5
Resumen de: US20260121110A1
Provided are a solid-state battery and an application thereof. The solid-state battery at least includes: a first solid-state electrolyte layer, disposed on a positive electrode side of the solid-state battery, an ionic conductivity of the first solid-state electrolyte layer being 1×10−4 S/cm to 1×10−2 S/cm; and a second solid-state electrolyte layer, disposed on a negative electrode side of the solid-state battery, an ionic conductivity of the second solid-state electrolyte layer being 1×10−3 S/cm to 2×10−2 S/cm. Through the solid-state battery and the application thereof, the solid-state electrolyte membrane of the solid-state battery may have advantages of high lithium ion conductivity, excellent electrochemical redox stability, and good compatibility with positive and negative electrodes, thereby improving a performance of the solid-state battery.
Resumen de: US20260121058A1
An electrode includes a current collector and an electrode active material layer located on at least one surface of the current collector. The electrode active material layer includes granules and second binder particles. The granules include an electrode active material and a first binder. Also provided is a method for manufacturing the same, and an electrochemical device including the same.
Resumen de: US20260121105A1
The disclosure proposes a solid electrolyte membrane and a preparation method and an application thereof. The solid electrolyte membrane includes a binder and a sulfide solid electrolyte. The sulfide solid electrolyte has a molecular formula of LifP1-gEgSwOgQz, wherein, 5
Resumen de: US20260121234A1
An all-solid-state battery and an application thereof are provided. The all-solid-state battery includes at least: a first solid electrolyte layer disposed on a side of a positive electrode of the all-solid-state battery, with an ionic conductivity of 1×10−4˜1×10−2 S/cm; a second solid electrolyte layer disposed on a side of a negative electrode of the all-solid-state battery, with an ionic conductivity of 1×10−3˜2×10−2 S/cm; and a third solid electrolyte layer disposed between the first solid electrolyte layer and the second solid electrolyte layer, with an ionic conductivity of 1×10−3˜2×10−2 S/cm. The all-solid-state battery and the application thereof provided in the disclosure may improve resistance of a solid electrolyte membrane to lithium dendrite penetration in the all-solid-state battery, improve the ionic conductivity, electrochemical reduction stability, and compatibility between the solid electrolyte membrane and the positive and negative electrodes, thereby improving cycle life and safety of a battery.
Resumen de: US20260121109A1
A sulfide solid electrolyte, a method of preparing the same, and an application are provided. A molecular formula of the sulfide solid electrolyte is LifP1-gEgSwOgQz, where, 5
Resumen de: WO2026086101A1
Disclosed in the present application are a doped phosphate-based positive electrode material, and a preparation method therefor and the use thereof. The doped phosphate-based positive electrode material comprises a phosphate-based active material and a doping metal element, which is doped in the crystal structure of the phosphate-based active material. Under a pressure of 100-500 MPa, the doped phosphate-based positive electrode material has a maximum particle deformation quantity of less than 50% and a reversible particle deformation quantity of less than 10%. By doping the metal element in the crystal structure of the phosphate-based active material, the structure of the doped phosphate-based positive electrode material is optimized, the structural stability of the doped phosphate-based positive electrode material is improved, the compression modulus of the positive electrode material is improved, and the chemical components and electronic structure of the surface of the positive electrode material can also be changed, such that the doped phosphate-based positive electrode material has the characteristics of a relatively high ionic conductivity, electronic conductivity, gram volume, cycling stability, etc.
Resumen de: WO2026086058A1
Provided in the present application are a current collector, an electrode assembly and a battery pack. A terminal section of the current collector is configured to be electrically connected to terminals; a tab section of the current collector is provided on one side of the terminal section and is configured to be electrically connected to tabs; a first bent section of the current collector is bent and connected between the terminal section and the tab section; and the projections of two ends of the first bent section on a plane where the terminal section is located at least partially overlap. When subjected to an axial impact, the first bent section deforms elastically, such that kinetic energy from the impact on the current collector is converted into elastic potential energy, and then the elastic potential energy is converted into the kinetic energy, thereby preventing the current collector from fracturing.
Resumen de: WO2026086027A1
Provided in the present application are a battery cell assembly, a battery module, a battery pack, and an energy storage system. The battery cell assembly comprises at least two battery cell units and a temperature equalization part, wherein the at least two battery cell units are spaced apart in a Z direction, a temperature equalization part is disposed between every two adjacent battery cell units in the Z direction, each temperature equalization part is thermally conductively connected to the two adjacent battery cell units, and the temperature equalization part is used for equalizing the temperature of the two adjacent battery cell units.
Resumen de: US20260121261A1
0000 The present disclosure relates to a battery including: an electrode assembly; a battery housing configured to receive the electrode assembly through an opening formed on one side; a battery terminal configured to be electrically connected to the electrode assembly through a closed portion provided on the opposite side of the opening of the battery housing; and a current collector including a first coupling portion configured to be electrically connected to the electrode assembly, a second coupling portion configured to be electrically connected to the battery terminal, and a bridge portion configured to electrically connect the first coupling portion and the second coupling portion to each other, and configured such that at least a portion of an area adjacent to the second coupling portion has a reduced cross-sectional area.
Resumen de: US20260116756A1
The present application relates to the technical field of preparation of a lithium-ion cathode material, and discloses a lithium iron phosphate cathode material, a preparation method thereof, and a lithium-ion battery. Based on X-ray Diffraction (XRD) test, the lithium iron phosphate cathode material has diffraction characteristic peaks at 2θA1=29.4° to 29.6°, 2θA2=29.8° to 30°, and 2θA3=43.8° to 43.9°. As the lithium iron phosphate cathode material has specific diffraction characteristic peaks based on XRD test, the lithium iron phosphate cathode material can have a high pallet density, thereby significantly improving electrochemical performances such as capacity and cycle performance of the lithium-ion battery assembled from the lithium iron phosphate cathode material.
Resumen de: US20260121149A1
0000 One or more processing circuits can communicate with a refuse vehicle. The one or more processing circuits can receive, from one or more sensors, data to indicate a first value of a temperature of one or more batteries of the refuse vehicle. The one or more processing circuits can identify, based on telematic data of the refuse vehicle, information corresponding to operations performed by the refuse vehicle. The one or more processing circuits can determine, based on the information corresponding to the operations performed by the refuse vehicle, that the refuse vehicle is in route to a collection site. The one or more processing circuits can transmit one or more signals to cause a temperature control system to prepare the one or more batteries of the refuse vehicle to receive power to charge the one or more batteries of the refuse vehicle.
Resumen de: US20260116758A1
The present invention relates to a negative electrode active material for a lithium secondary battery and a method for manufacturing the same. Specifically, the present invention relates to a negative electrode active material comprising a plurality of amorphous carbon layers on nano silicon-crystalline carbon composite particles, and a method for manufacturing the same.
Resumen de: US20260117094A1
A curable adhesive tape comprising a tapelike backing provided on at least one side with an adhesive layer which consists of a curable adhesive, wherein the backing is colored blue provides for a highly suitable application of radiation energy and corresponding heat input into the curable adhesive, which results in very good adhesive and joining properties, very high bonding strength of the curable adhesive and an optimal wetting of a substrate by the adhesive. Such a curable adhesive tape is particularly suitable for electrical insulation, especially for encasing a battery cell. Preferably the blue color fulfils the following definition: L*a*b* color space: L*=0 to 93, a*=−33 to 24 and b*=−60 to 0.
Resumen de: US20260121246A1
An electrode assembly for a lithium secondary battery, an electrode included in the same, and a lithium secondary battery including the same are disclosed. An electrode assembly includes a negative electrode including a negative electrode current collector including an end portion at which a negative electrode tab is located and a negative electrode active material layer on at least one surface of the negative electrode current collector, and a positive electrode including a positive electrode current collector including an end portion at which a positive electrode tab is located and a positive electrode active material layer on at least one surface of the positive electrode current collector, and, a hole area ratio in a region with a high current density is greater than that in a region with a low current density.
Resumen de: DE102024135764A1
Offenbart ist eine Vielzahl von Batterie-Pouch-Zellen, die in einer Dose aufgenommen sind, und eine mit der Dose verbundene Endkappe beinhalten, und mindestens eines aus der Dose oder der Endkappe hat darin ausgebildete Entlüftungslöcher.
Resumen de: WO2026086410A1
An electrode sheet lamination device and a battery cell winding apparatus, the electrode sheet lamination device comprising: a first electrode sheet unwinding assembly, a first separator unwinding assembly, a second separator unwinding assembly, a first lamination assembly and a second lamination assembly; the first electrode sheet unwinding assembly is used for conveying a first electrode sheet to the first lamination assembly; the first separator unwinding assembly is used for conveying a first separator to the first lamination assembly; the second separator unwinding assembly is used for conveying a second separator to the first lamination assembly; the first lamination assembly is used for pressing the first electrode sheet, the first separator and the second separator so as to implement first lamination; in the conveying direction of the first electrode sheet, the second lamination assembly is arranged downstream of the first lamination assembly; the second lamination assembly is used for pressing the first electrode sheet, the first separator and the second separator so as to implement second lamination to form a laminated material strip.
Resumen de: WO2026086953A1
A low-voltage battery system, comprising a case body (1) and battery cells (2). The case body (1) comprises a case main body (11); a side surface of the case main body (11) is provided with battery cell accommodation slots (111) running through the case main body (11) along a first direction, and the plurality of battery cell accommodation slots (111) are arranged at intervals and independently along a second direction; the plurality of battery cells (2) are respectively accommodated in the plurality of battery cell accommodation slots (111); and the side surface of the case main body (11) is further provided with communication slots (115) communicating two adjacent battery cell accommodation slots (111), the length of a communication slot (115) being less than the length of a battery cell accommodation slot (111).
Nº publicación: WO2026086242A1 30/04/2026
Solicitante:
HUAWEI DIGITAL POWER TECH CO LTD [CN]
\u534E\u4E3A\u6570\u5B57\u80FD\u6E90\u6280\u672F\u6709\u9650\u516C\u53F8
Resumen de: WO2026086242A1
The present application provides an energy storage cabinet and an energy storage system. The energy storage cabinet comprises a cabinet. The cabinet is internally provided with at least two battery clusters, a battery control unit, and a DC-DC converter, which are stacked in sequence. The battery cluster is located at a bottom of the cabinet. The battery control unit is provided with two sets of connectors for each battery cluster. Each set of connectors comprises an input connector and an output connector. A bus of each battery cluster is fixedly connected to a busbar, the busbar being inserted into the input connector, and the busbar being configured for transmitting electrical energy input by the battery cluster to the battery control unit. A cabinet busbar is provided between the battery control unit and the DC-DC converter, the cabinet busbar being inserted into the output connector and the DC-DC converter, and the cabinet busbar being configured for transmitting electrical energy input by the battery control unit to the DC-DC converter. The battery cluster and the DC-DC converter can be respectively connected to the connectors of the battery control unit by means of the busbars, allowing for a cable-free power connection, and thereby simplifying cable layouts of energy storage cabinets.
BOPI
Sede Electrónica
