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1482
resultados
Última actualización
03/04/2026 [07:26:00]
Resultados 600 a 625 de 1482
Resumen de: US20260086167A1
A method for determining a condition indicating imminent thermal runaway in a power source includes changing a state of charge of the power source during one of a plurality of charge cycles and a plurality of discharge cycle. In response to the state of charge in each of the one of the plurality of charge cycles and the plurality of discharge cycles, the method includes matching a first condition measuring the state of charge of the power source and determining an overpotential value based on the measured state of charge. The method also includes determining a trend based on a plurality of the overpotential values and identifying an indication of possible thermal runaway in the power source based on the trend indicating a downward trend of the plurality of overpotential values.
Resumen de: US20260088465A1
A secondary battery, a battery assembly, and an electronic device are provided. The secondary battery includes: a housing and an electrode assembly accommodated in the housing. The electrode assembly includes a wound structure formed by stacking and winding a positive electrode sheet, a separator, and a negative electrode sheet. Along an axial direction of the wound structure, a positive electrode current collector of the positive electrode sheet includes a positive electrode coated region and a positive electrode uncoated region. A negative electrode current collector of the negative electrode sheet includes a negative electrode coated region and a negative electrode uncoated region. A part of the positive electrode uncoated region is bent to form a stacked positive electrode tab region. A part of the negative electrode uncoated region is bent to form a stacked negative electrode tab region.
Resumen de: US20260088468A1
The present disclosure provides a manufacturing method for an electrical energy storage device including an electrode body, a case, and a first electrode terminal attached to a bottom wall of the case. This manufacturing method includes a step of electrically connecting a first current collecting member to the electrode body, a step of inserting the electrode body into the case main body and disposing at least a part of the first current collecting member into a first concave part of the first electrode terminal, and a step of delivering an energy beam from a side of the first electrode terminal, thereby joining by welding the part of the first current collecting member that is disposed inside the first concave part to the first electrode terminal.
Resumen de: US20260088461A1
A battery cell includes: an end cap assembly, including an electrode terminal; a housing, on which an opening is created, where the end cap assembly seals the opening; an electrode assembly, disposed in the housing, where the electrode assembly includes a tab; an adapter component, connected between the tab and the electrode terminal, where the adapter component includes a first connecting region configured to be connected to the electrode terminal, a second connecting region configured to be connected to the tab, a transitional connecting region located between the first connecting region and the second connecting region, and an embossed region including a plurality of friction bulges; and an insulation piece, covering at least a part of the transitional connecting region. The first connecting region is located inside the embossed region.
Resumen de: US20260088466A1
The present disclosure provides a secondary battery. A secondary battery according to the present disclosure includes an electrode assembly including a plurality of first electrode tabs and a plurality of second electrode tabs, and a collector plate joined to the plurality of first electrode tabs, in which the plurality of first electrode tabs includes a first tab group, the first tab group is joined to the collector plate while at least some of the plurality of first electrode tabs of the first tab group are bent in a first direction and others of the plurality of first electrode tabs of the first tab group are bent in a second direction, and the first direction and the second direction are substantially parallel to a stacking direction of the electrode assembly and are substantially opposite to one another.
Resumen de: WO2026061370A1
The present application provides an electrolyte additive, an electrolyte, a secondary battery, and a terminal device. The electrolyte additive provided by the present application is a polydentate cyclic polynitrile additive having an ether-based backbone, which is obtained by special molecular design. The additive can enable an electrolyte to have the advantages of high-voltage resistance and a wide temperature range, so that a battery has excellent cycle performance and excellent high-temperature/low-temperature performance under a high voltage.
Resumen de: WO2026061359A1
The present invention relates to a heat exchanger and a vehicle. The heat exchanger comprises: a substrate and a first flow channel plate which are arranged in a stacked manner, wherein the first flow channel plate is provided with first grooves, the first grooves and the substrate form a first channel, the first channel is respectively in communication with a first inlet and a first outlet of the heat exchanger to form a first fluid loop used for battery cooling, the first flow channel plate is provided with second grooves, the second grooves and the substrate form a second channel, and the second channel is respectively in communication with a second inlet and a second outlet of the heat exchanger to form a second fluid loop used for battery cooling or heating. The heat exchanger is designed to be used for battery heating or cooling. The heat exchanger has a high degree of integration, effectively saving vehicle space and overall vehicle costs, and can effectively adjust the battery temperature, prolonging the battery service life.
Resumen de: WO2026061354A1
The present application provides a carbon-coated solid-state electrolyte, a battery, and an electric device. The carbon-coated solid-state electrolyte comprises an electrolyte core and a carbon coating layer coated on the surface of the electrolyte core. An X-ray photoelectron spectroscopy test result of the carbon coating layer shows the following characteristics: a carbon element exhibits a first peak position corresponding to sp3 hybridization and a second peak position corresponding to sp2 hybridization, and the ratio of the intensity of the first peak position to the intensity of the second peak position is greater than or equal to 0.1.
Resumen de: WO2026061288A1
Embodiments of the present application provide an electrostatic protection circuit, a battery management device, a battery pack, and an electric device. The electrostatic protection circuit comprises: a first electrostatic protection unit, configured to be electrically connected between a positive output terminal and a negative electrode of a battery module, wherein the first electrostatic protection unit comprises at least one capacitor; and/or a second electrostatic protection unit, configured to be electrically connected between a negative output terminal and the negative electrode of the battery module, wherein the second electrostatic protection unit comprises at least one capacitor. In the present application, electrostatic charges are coupled to ground by providing capacitors, thereby achieving an anti-static function; the circuit is simple, and electrostatic protection costs are reduced.
Resumen de: WO2026061524A1
An electric device, comprising a lithium-ion battery, a battery module, or a battery pack. The battery pack comprises the lithium-ion battery or the battery module; the battery module comprises the lithium-ion battery; and the lithium-ion battery comprises a positive electrode, a negative electrode, and an electrolyte. The negative electrode comprises a negative electrode active material, and the mass percentage of silicon in the negative electrode active material is greater than 40%. The electrolyte comprises fluoroethylene carbonate and a siloxane additive.
Resumen de: WO2026061451A1
The present application provides a liquid cooling plate assembly, a liquid cooling assembly, an energy storage device, and a vehicle. The liquid cooling plate assembly comprises liquid cooling plates, first connector portions, and second connector portions. Each first connector portion comprises a first connecting section and a first inserting section. Each second connector portion comprises a second connecting section and a second inserting section. The first connecting sections and the second connecting sections all extend in the thickness direction of the liquid cooling plates. The first inserting sections and the second inserting sections all extend in the length or width direction of the liquid cooling plates.
Resumen de: WO2026061493A1
The present application relates to the technical field of batteries. Provided are a battery pack and a battery system, which are used for increasing the energy density of the battery pack. The battery pack comprises a housing, a battery management system, and at least one battery module. The housing has an accommodating cavity therein, and the housing comprises an interface panel having interface ports. The battery module is located in the accommodating cavity. The battery management system comprises a battery management module and a sensing harness; the battery management module is located between the battery module and the interface panel, the battery management module is electrically connected to the battery module, the sensing harness is electrically connected to the battery management module, and the sensing harness is led out to the interface ports. By arranging the battery management module between the interface panel of the housing and the battery module, the space inside the housing is rationally utilized. The interface ports are provided on the interface panel, such that the sensing harness electrically connected to the battery management module can be easily led out to the interface ports, thereby reducing the length of the sensing harness and preventing the sensing harness from affecting the arrangement of the battery module.
Resumen de: WO2026061497A1
Provided in the present application are a battery module and a battery pack. In the battery module, a spacer and a vapor chamber are arranged between adjacent battery cells, wherein the vapor chamber is used for equalizing the temperatures of a high-temperature region and a low-temperature region of each battery cell, so as to achieve a uniform temperature over the surface of the battery cell, thereby overcoming the problem in the prior art of the service life of a battery cell being impacted by a large temperature difference within the battery cell.
Resumen de: US20260086163A1
Proposed are an electrochemical impedance spectroscopy measurement apparatus and method, and a battery system. The electrochemical impedance spectroscopy measurement apparatus includes an EIS measurement part connected to each of a plurality of battery cells included in a battery module, and configured to perform electrochemical impedance spectroscopy (EIS) measurement on each of the plurality of battery cells during AC discharge of the battery module, and an AC discharge switching part connected to the battery module to form an AC discharge path, and configured to supply a driving voltage to a power consumption distribution switching element included in the AC discharge path through a plurality of driving voltage supply paths connected to nodes of the plurality of battery cells electrically connected. Electrochemical impedance spectroscopy (EIS) measurement for the battery may be performed, and impedance measurement may be continuously performed even when a particular node voltage line connected to the battery is disconnected.
Resumen de: US20260086159A1
A battery management apparatus includes at least one capacitor respectively connected to at least one battery and a controller configured to apply current to the at least one capacitors to pre-charge the at least one capacitors, measure a voltage of each of the at least one capacitors, and control impedance measurement of the at least one batteries based on whether the voltage of the at least one capacitors is within a threshold range.
Resumen de: US20260086153A1
An energy storage apparatus includes: an external terminal; an energy storage cell; a current interruption device that has one end electrically connected to the external terminal and the other end electrically connected to the energy storage cell; a discharge circuit that discharges electricity from the energy storage cell via a path that does not pass through the current interruption device; and a failure diagnosis device. The failure diagnosis device discharges electricity from the energy storage cell using the discharge circuit, and diagnoses a failure of the current interruption device based on a change in voltage ΔV1 of the external terminal before and after discharging electricity.
Resumen de: US20260085893A1
A cooling component for cooling objects includes a metal profile, forming a heat sink. The profile has multiple parallel medium channels for the flow of cooling medium therethrough, each of which is delimited by a circumferential medium channel wall formed by the profile. The cooling component includes a first connection part made of plastic, which is connected to the profile in a fluid-tight manner, with inlet or outlet opening, via which cooling medium is able to be fed to the cooling component or via which cooling medium is able to be discharged from the cooling component. In the region of the first connection part, the circumferential medium channel wall of at least one of the parallel medium channels has at least one through opening, via which the medium channel is fluidically connected to the inlet or to the outlet opening of the first connection part.
Resumen de: US20260085884A1
An electrode drying apparatus includes a plurality of light emitting devices arranged along a moving direction of an electrode that includes electrode plates and active materials, in which each of the plurality of light emitting devices includes a light source configured to generate light in an infrared band and a reflector configured to reflect the light generated from the light source, and a reflective surface of the reflector is a parabolic surface.
Resumen de: US20260088452A1
A secondary battery, including an electrode assembly having a first electrode, a second electrode, and a separator between the first electrode and the second electrode, a case accommodating the electrode assembly, and a tape attached to an inner surface of the case, wherein the tape includes a first adhesive layer and a second adhesive layer, the first adhesive layer contacts and adheres to the inner surface of the case, and the second adhesive layer faces the electrode assembly.
Resumen de: US20260088420A1
A cell swelling compensator for a battery unit has resilient elements adapted to be arranged between a first cell stack and a structure of the battery unit such that said cell swelling compensator is arranged between the first cell stack and the structure for exerting a force onto first cell stack for compensating for cell swelling in the first cell stack.
Resumen de: US20260088427A1
A battery pack according to one embodiment of the present disclosure includes: a pack frame on which a plurality of battery modules are mounted; at least one discharge part located on one side surface of the pack frame; a first filter part located between the pack frame and a battery module located closest to the discharge part among the plurality of battery modules; and at least one second filter part, each located at a position corresponding to each discharge part on the one side surface of the pack frame, wherein materials generated in the battery module move through the first filter part, the second filter part, and the discharge part.
Resumen de: US20260088444A1
Disclosed is a separator for a secondary battery that improves the stability of the secondary battery. In one embodiment of the present disclosure, the separator includes: a porous substrate; and a coating layer disposed on at least one surface of the porous substrate. The coating layer includes polyvinylidene fluoride-co-hexafluoropropylene (PVDF-HFP) and inorganic particles. In the coating layer, the PVDF-HFP has a lamellar thickness of 2.5 to 3.2 nm.
Resumen de: US20260088431A1
Provided is a battery cell assembly according to example embodiments. The battery cell assembly includes a cell stack including a plurality of pouch type battery cells, and a top plate assembly on the cell stack, in which the top plate assembly includes a top plate, a bus bar frame coupled to the top plate, and a plurality of bus bars on the bus bar frame, and each of the bus bar frames includes a material different from a material of the top plate.
Resumen de: US20260088416A1
A battery pack includes a lower case and an upper case having a bending point that is likely to bend when being collided from the front with the battery pack mounted on a vehicle, two battery modules housed inside the lower case and the upper case and disposed in the vehicle front-rear direction to have a gap at the bending point, and an intermediate plate configured to bind and hold the two battery modules. The intermediate plate is provided in the gap.
Nº publicación: US20260088414A1 26/03/2026
Solicitante:
SAMSUNG SDI CO LTD [KR]
Samsung SDI Co., Ltd
Resumen de: US20260088414A1
An all-solid secondary battery and a method of preparing the same, the all-solid secondary battery including a unit cell and a compression assistance layer on at least one surface of the unit cell, the unit cell including an electrode assembly and an exterior material on the electrode assembly, the electrode assembly including a cathode layer, an anode layer, and a solid electrolyte layer between the cathode layer and the anode layer, wherein a buckling deformation point of the compression assistance layer is 100 megaPascals or more.
BOPI
Sede Electrónica
