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1482
resultados
Última actualización
03/04/2026 [07:26:00]
Resultados 575 a 600 de 1482
Resumen de: WO2026062756A1
Provided is a battery repairing method comprising: a repair necessity determination step for determining, on the basis of cell information pertaining to a battery cell including a solid electrolyte, whether repair of the battery cell is necessary; a heating step for heating the solid electrolyte to a temperature not less than a melting temperature when it has been determined in the repair necessity determination step that the repair of the battery cell is necessary; and a recrystallization step for recrystallizing, by lowering the temperature, the solid electrolyte which has been melted in the heating step.
Resumen de: WO2026062774A1
Provided is an active material recovery and processing method with which it is possible to ameliorate reduced activity of an active material. The active material recovery and processing method is a processing method for ameliorating the reduced activity of an active material provided to a lithium ion battery, the method comprising: a first heat treatment step for heat-treating, at a temperature lower than the thermal decomposition temperature of a binder included in the lithium ion battery, an object to be processed in which a lithium compound is mixed with the active material or an electrode mixture that contains the active material; and a second heat treatment step for heat-treating, at a temperature of 600-1000°C, the object to be processed that has been heat-treated in the first heat treatment step.
Resumen de: WO2026060740A1
A cylindrical battery, comprising a housing (100), a roll core (200), a first current collector disc (300) and a second current collector disc (400). The roll core (200) is arranged inside the housing (100). The roll core (200) is provided with a first tab (210) and a second tab (220) opposite to each other. The first current collector disc (300) is provided at the end of the housing (100) close to the first tab (210), and first welding points (500) are provided between the first current collector disc (300) and the first tab (210); the second current collector disc (400) is provided at the end of the housing (100) close to the second tab (220), and second welding points (600) are provided between the second current collector disc (400) and the second tab (220). A first overlapping region (510) is provided between two adjacent first welding points (500), and a second overlapping region (610) is provided between two adjacent second welding points (600). By overlapping two adjacent first welding points (500) and overlapping two adjacent second welding points (600), the energy of laser welding can be reduced, thereby ensuring the welding strength while ensuring that the heat of laser welding does not damage the roll core (200), improving the use safety of the cylindrical battery.
Resumen de: WO2026060678A1
Provided in the present application are a battery cell, a battery apparatus and an electrical apparatus. The battery cell comprises: a casing; an electrode assembly, located in the casing, the electrode assembly comprising an electrode body and tabs, the electrode body comprising a first end face and a second end face arranged opposite to each other in a first direction, and a side face connected between the first end face and the second end face, and the tabs being connected to the electrode body and extending out of at least one of the first end face and the second end face; and a thermal conduction assembly, comprising a first thermal conduction part, the first thermal conduction part being thermally connected to the side surface, the thermal conductivity of the thermal conduction assembly being greater than that of the casing, and the thermal conduction assembly and the electrode assembly being insulated from each other. The casing comprises an opening in the first direction, and the battery cell further comprises a top cover assembly, the top cover assembly covering the opening. The top cover assembly has electrode terminals, the electrode terminals being connected to the tabs. The thermal conduction assembly further comprises a second thermal conduction part, the second thermal conduction part being thermally connected to the tabs and thermally connected to the first thermal conduction part.
Resumen de: WO2026060675A1
Provided in the present application are a battery cell, a battery device and an electric device. The battery cell comprises: a casing; an electrode assembly, which is located in the casing, wherein the electrode assembly comprises an electrode body and a tab, the electrode body comprising a first end face and a second end face arranged opposite each other in a first direction, and a side face connecting the first end face and the second end face, and the tab being connected to the electrode body and protruding from at least one of the first end face and the second end face; and a heat-conducting assembly, which comprises an insulating member and a heat-conducting member, wherein at least part of the insulating member forms an accommodating cavity, and the heat-conducting member is arranged in the accommodating cavity; the insulating member covers at least the side face; the heat-conducting member comprises a first heat-conducting sheet, the first heat-conducting sheet being arranged on at least part of the side face and being in thermally conductive connection with the side face; the thermal conductivity of the heat-conducting member is greater than that of the insulating member and that of the casing.
Resumen de: US20260088302A1
The present invention relates to a multiphase SEI-engineered polymeric interlayer (MSEPI) for solving the chronic interfacial instability and lithium dendrite formation problems between a lithium (Li) metal anode and a sulfide solid electrolyte (SSE) in high energy density sulfide all-solid-state lithium metal batteries (ASLMBs), etc., and a battery comprising the same. All-solid-state batteries applying MSEPI-coated lithium metal according to the present invention exhibit excellent rate characteristics and long-term cycle stability, effectively suppressing lithium dendrite growth and enabling stable and efficient lithium plating/stripping behavior, thereby greatly contributing to the realization of high-performance ASLMBs.
Resumen de: US20260088298A1
The present invention pertains to the field of battery technology and provides a 3DP-nano-micro composite electrode material for high-performance lithium-ion storage, along with its preparation method. In this disclosure, a the V2O5—Ti2C3—Au nanocomposite cathode material featuring a hierarchical heterostructure for high-performance lithium ion energy storage is disclosed, comprising a 3D-printed V2O5—Ti2C3—Au cathode, in which an in-situ TiO2 interface forms via synergistic interactions between V2O5, Ti2C3Tx, and Au nanoparticles. The TiO2 interface introduces abundant oxygen vacancies that act as Li+ adsorption sites. Au nanoparticles contribute to interfacial redox dynamics, catalysis, and conductivity, forming Au—Ti intermetallics that act as conductive bridges, reduce interfacial resistance, and reinforce mechanical stability. The 3D-printed nanocomposite cathode is manufactured by DIW printing technology, which can accurately control the structure and spatial distribution of the active material, thereby shortening the ion/electron pathway and improving the electrochemical kinetics.
Resumen de: US20260085991A1
An air tightness check method and a test system are disclosed. The test system includes a control apparatus, a scanning apparatus, a pressing apparatus and a check apparatus. The air tightness check method includes: in response to a battery pack flowing into an air tightness testing station, controlling, by the control apparatus, the scanning apparatus to identify the battery pack to obtain parameter information of the battery pack, where the parameter information of the battery pack represents basic attributes of the battery pack and a position of the battery pack in the air tightness testing station; controlling, by the control apparatus based on the parameter information of the battery pack, the pressing apparatus to press down the battery pack; and controlling, by the control apparatus, the check apparatus to check air tightness of the pressed battery pack.
Resumen de: US20260086523A1
A battery manufacturing method according to the present disclosure includes generating a virtual identifier (ID) corresponding to a battery cell, shifting the virtual ID according to a progression of processes included in a process line for the battery cell, storing the shifted virtual ID and associating the shifted virtual ID with process data generated for the battery cell, extracting a cell ID for the battery cell, and matching the process data associated with the shifted virtual ID with the cell ID, and transmitting the process data to an upper control system.
Resumen de: US20260088410A1
The present disclosure is directed to an electronics assembly comprising: a housing having walls which define an enclosure having at least one floored chamber, wherein at least one wall of the housing is provided with an electrically conductive surface which faces into a chamber;n electronic components disposed in the enclosure, wherein n is an integer of at least 2 and wherein at least a fraction of said electronic components are provided with an electrically conductive exterior surface; and,an adhesive by which said electrically conductive exterior surface of said fraction of electronic components is adhered to said electrically conductive surface of wall,wherein the electronics assembly is characterized in that said adhesive is obtained by curing a curable electrochemically debondable adhesive composition comprising: a non-polymerizable electrolyte; a rheology control agent; and, a matrix resin.
Resumen de: US20260088446A1
Disclosed is a separator for an electrochemical device and an electrochemical device comprising the same. The separator adjusts the contents of halogen atoms and metal atoms exposed on the surface of a coating layer, thereby enabling a dry adhesive force and a wet adhesive force to be improved and the heat resistance of the separator to be improved.
Resumen de: US20260088406A1
A secondary battery, a battery pack, and an electronic device are provided. The secondary battery includes a casing, an electrode assembly, a current-collecting member, and a sealing plate. The casing includes a side wall and a cover plate assembly. The side wall includes an opening sealed by the cover plate assembly. The electrode assembly mounted in the casing has a winding cell through hole. The current-collecting member is arranged on a side of the electrode assembly facing the cover plate assembly and is electrically connected to the electrode assembly and the casing. The sealing plate arranged on a side of the cover plate assembly away from the electrode assembly. The cover plate assembly is provided with a liquid injection hole. A projection of the liquid injection hole is located at an outer periphery of the winding cell through hole, and the sealing plate seals the liquid injection hole.
Resumen de: US20260088429A1
The case (1) for batteries comprises a plurality of housings (2) for said batteries; a closed base (3) placed on a first end (4) of the case (1) for contacting with the batteries when they are in said housings (2); an opening (5) placed at a second end (6) opposite from the first end (4) for the insertion and removal of the batteries from the housings (2); at least one first magnet (7) placed at the first end (4) of the case (1) for detachably retaining the batteries inside the housings (2); and at least one second magnet (8) placed at the second end (6) of the case (1) for detachably attaching an adjacent case (1). It permits to provide a case for batteries, that permit to detachably join two or more cases in a modular way, so that the storage and transportation of the batteries is enhanced.
Resumen de: US20260088408A1
Aspects of the present disclosure involve battery cells divided into multiple stacks. A battery pack includes an enclosure enclosing a battery cell, and at least one insulator dividing the battery cell into a first stack and a second stack. A first pair of tabs extends from the first stack through the enclosure. The first pair of tabs comprises a first tab coupled to a cathode layer of the first stack and a second tab coupled to an anode layer of the first stack. A second pair of tabs extends from the second stack through the enclosure. The second pair of tabs comprises a third tab coupled to a cathode layer of the second stack and a fourth tab coupled to an anode layer of the second stack. The first tab is connected to the fourth tab to connect the first stack and the second stack in a series configuration.
Resumen de: WO2026062782A1
The present invention suitably adjusts the temperatures of a fixed battery and a replaceable battery to maintain battery performance. This vehicle battery cooling structure comprises a cooling part that cools a battery in a fixed battery unit having a fixed battery and/or a replaceable battery unit having a replaceable battery, and a control part that controls the cooling part. The cooling part is provided with a heat exchanger, and also provided with cooling flow passages for flowing a heat medium, namely a first cooling flow passage for flowing a heat medium into the fixed battery unit through the heat exchanger, a second cooling flow passage for flowing a heat medium into the replaceable battery unit through the heat exchanger, and a third cooling flow passage for flowing a heat medium to the fixed battery unit and the replaceable battery unit through the heat exchanger, such that switching among the cooling flow passages is settable by opening/closing valves. When there is at least one battery which has a temperature beyond an appropriate temperature range, the control part performs opening/closing control of the valves such that one of the first, second, and third cooling flow passages is set on the basis of the temperature.
Resumen de: WO2026062740A1
A purpose of the present invention is to provide a means for making an internal short circuit of a battery less likely to occur in a lithium deposition type lithium secondary battery. The present invention provides a lithium secondary battery comprising an electric power generation element that includes: a positive electrode that has a positive electrode active material layer that contains a positive electrode active material; a negative electrode that has a negative electrode collector and on which lithium metal is deposited during charging; a solid electrolyte layer that is interposed between the positive electrode and the negative electrode, and contains a solid electrolyte; and a negative electrode intermediate layer that is interposed between the solid electrolyte layer and the negative electrode collector, and contains a lithium-reactive material that is selected from the group consisting of a carbon material that can occlude lithium during charging and a metal material that can be alloyed with lithium, wherein a lithium high-occlusion portion that can occlude more lithium than the central portion of the negative electrode intermediate layer is provided to at least a part of the outer peripheral edge portion of the negative electrode intermediate layer.
Resumen de: WO2026062732A1
Problem To provide, for a secondary battery in which a solid electrolyte is used, a means for preventing a decrease in discharge capacity when the secondary battery is repeatedly charged and discharged. Solution A positive electrode material for a secondary battery, the positive electrode comprising: positive electrode active material particles; an organic solid electrolyte covering at least a portion of the surface of each positive electrode active material particle; and an inorganic solid electrolyte. The organic solid electrolyte is a composite of an electrolyte salt and a polyether-based polymer compound having a weight average molecular weight (Mw) of from greater than 1,000 to less than 1,000,000, and the content of the organic solid electrolyte is 0.40 mass% or greater relative to 100 mass% of the total amount of the positive electrode active material particles.
Resumen de: WO2026061549A1
The present application relates to the technical field of batteries. Provided are a sealing metal piece, a battery cell and a battery. The sealing metal piece is configured to seal a liquid injection hole of a battery cell, and comprises a body, wherein the body has a first surface configured to face away from the interior of the battery cell, the first surface being provided with a recess.
Resumen de: WO2026060674A1
The present application provides a battery cell, a battery apparatus, and an electrical apparatus. The battery cell comprises: a casing; an electrode assembly located in the casing, the electrode assembly comprising an electrode body and tabs, the electrode body comprising a first end face and a second end face arranged opposite to each other in a first direction and side faces connected between the first end face and the second end face, and the tabs being connected to the electrode body and extending out of at least one of the first end face and the second end face; and a heat conduction assembly comprising a first heat conduction part, the first heat conduction part being thermally connected to the side faces, and the thermal conductivity of the heat conduction assembly being greater than the thermal conductivity of the casing.
Resumen de: WO2026060753A1
The present application relates to the technical field of lithium-ion batteries, and discloses a composite material and a preparation method therefor, and a preparation method for a solid electrolyte. The composite material comprises 100 parts of solid electrolyte powder and 0.1 parts to 15 parts of an active monomer. An active monomer is added to the composite material, thereby improving the tensile strength of a green membrane. Moreover, the solid electrolyte obtained by sintering the green membrane has high density.
Resumen de: WO2026060757A1
The present application discloses an electrolyte for a lithium metal battery, a lithium metal battery, and a recycling method therefor. The lithium metal battery comprises a positive electrode and a negative electrode. The electrolyte is disposed between the positive electrode and the negative electrode. The negative electrode comprises a lithium metal material or a lithium alloy material. The electrolyte comprises a lithium salt and an additive. The additive comprises chloroethylene carbonate.
Resumen de: WO2026061530A1
The present application relates to the field of new energy, and discloses a battery bottom protection plate, comprising an impact release layer, a first fiber-reinforced resin layer, a metal layer, an impact absorption layer and a second fiber-reinforced resin layer. The first fiber-reinforced resin layer, the metal layer and the second fiber-reinforced resin layer are all arranged between the impact release layer and the impact absorption layer. The impact release layer, the first fiber-reinforced resin layer, the metal layer, the second fiber-reinforced resin layer, and the impact absorption layer are stacked. The present application has the beneficial effects: the battery bottom protection plate adopts a design concept of gradient energy absorption, and has high impact resistance; in addition, a multi-layer composite structure can be produced by means of separate processes, thereby reducing the dissipation of heat between layers, improving the interface adhesion force, improving the reliability of the bottom protection plate, ensuring the protection function of the bottom protection plate, and achieving a good protection effect on a battery pack.
Resumen de: US20260086543A1
Systems, methods, and other embodiments described herein relate to monitoring the manufacturing processes of thin film substrates to detect anomalies in the manufacturing process. In one embodiment, a method includes identifying, from an output of the sensor, a tension-induced feature on a surface of the thin film substrate that is under tension in a manufacturing system. The method also includes detecting that the manufacturing system is in a fault state based on a characteristic of the tension-induced feature and executing a remedial action responsive to the manufacturing system being in the fault state.
Resumen de: US20260086169A1
A device is capable of evaluating the degree of deterioration of a secondary battery by executing regression analysis processing using, as a target variable, the degree of deterioration of the secondary battery. Multiple regression analysis is executed by using, as explanatory variables, respective values of plural model parameters that define a secondary battery model based on a measurement result of complex impedance of each reference secondary battery, and a degree of deterioration evaluated according to the secondary battery model as a target variable. Then, a degree of deterioration of a target secondary battery is evaluated according to a multiple regression equation obtained as a result of the multiple regression analysis.
Nº publicación: US20260086162A1 26/03/2026
Solicitante:
MEDIATEK INC [TW]
MEDIATEK INC
Resumen de: US20260086162A1
A battery power computing method, applied to a battery, comprising: acquiring a battery resistance table of the battery, wherein the battery resistance table comprises first mapping relations between a plurality of battery resistances of the battery and a plurality of battery power levels; acquiring a resistance conversion table, wherein the resistance conversion table comprises second mapping relations between a plurality of battery resistance conversions and a plurality of conditions of the battery; and measuring the battery power according to the first mapping relations and the second mapping relations, while charging or discharging the battery.
BOPI
Sede Electrónica
