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1804
resultados
Última actualización
24/06/2025 [07:24:00]
Resultados 1000 a 1025 de 1804
Resumen de: US2025192342A1
Thermal management valve assemblies are provided for use within traction battery packs. An exemplary thermal management valve assembly may be configured to block the transfer of thermal energy to adjacent structures inside the traction battery pack during normal operating conditions and may be further configured to control the flow of battery cell vent byproducts during battery thermal events. The thermal management valve assembly may include one or more attachment frames that can be mounted to a cell stack cross-member assembly, and one or more thermal barriers that can be connected to the attachment frame(s).
Resumen de: US2025192337A1
A power supply device includes a battery cell, a circuit board including a board-side connector, a lead wire connected to the board-side connector, an open case accommodating the battery cell, the lead wire, and the circuit board therein, a lid case closing an opening surface of the open case, and a pull-out blocker disposed on the lead wire. The circuit board has a first main surface, a second main surface opposite to the first main surface, and a side surface connected to the and second main surfaces. The side surface has a cut-out therein. The lead wire extends from a first tip end to a second tip end through the cut-out of the circuit board. The first tip end is connected to the board-side connector. The pull-out blocker is disposed at an intermediate position of the lead wire between the first and second tip ends. The pull-out blocker protrudes from the lead wire to be prevented from passing through the cut-out. The pull-out blocker is configured to prevent a portion of the lead wire extending from the first tip end to the cut-out of the circuit board from being greater than or equal to a predetermined length.
Resumen de: US2025192183A1
Disclosed is a method for manufacturing a dry electrode. The method allows determination of the micro-fibrilization degree of a binder resin from the crystallinity of the binder resin. Based on this, the processing conditions of mixed powder for electrode or an electrode film may be controlled. In this manner, it is possible to check and control the processing conditions easily and efficiently. In addition, the method for manufacturing a dry electrode includes a kneading step using a kneader under a low speed and high temperature and pulverization step. Therefore, there is no problem of blocking of a flow path caused by aggregation of the ingredients, which is favorable to mass production.
Resumen de: US2025192294A1
A cylindrical battery comprises: an electrode body in which a positive electrode and a negative electrode are wound with a separator therebetween; a bottomed cylindrical external can in which the electrode body is housed; a sealing body that seals the opening of the external can; and a gasket that insulates the external can and the sealing body. One or more tapered grooves including a tapered section that tapers toward the electrode body side are provided to the outer surface of the gasket.
Resumen de: US2025192282A1
Multi-functional thermal barrier assemblies may be configured to both manage thermal energy levels inside a traction battery pack and to increase the structural integrity of the traction battery pack. In some implementations, the thermal barrier assembly may include an internal cooling circuit for directing a coolant through a thermal barrier structure of the thermal barrier assembly. The thermal barrier structure may be an extrusion, a pultrusion, or an injection molded part. In other implementations, the thermal barrier assembly may include thermally insulating layers. The thermally insulating layers may be cladding layers that provide an outer skin of the thermal barrier structure.
Resumen de: US2025192177A1
A method for manufacturing a cathode electrode including a) dissolving one or more first organic isopropoxide precursors in a first solvent to form a mixture; b) adding particles of cathode active material to the mixture; c) heating and stirring the mixture to a first predetermined temperature for a first predetermined period to form a first metal oxide coating on the particles of the cathode active material; d) filtering the particles of the cathode active material from the mixture; and e) calcining the particles of the cathode active material at a second predetermined temperature for a second predetermined period.
Resumen de: US2025192278A1
A flow guiding cover assembly is adapted to be disposed in a cabinet, and between an air conditioning device and a carrier tray. The carrier tray carries at least one battery pack. The flow guiding cover assembly includes an air intake cover and at least one air outlet cover. The air intake cover is adapted to be disposed at one side of the air conditioning device, and is provided for a cooling airflow outputted by the air conditioning device to flow therethrough. The at least one air outlet cover is connected to the air intake cover and is adapted for discharging the cooling airflow to a top portion of the at least one battery pack.
Resumen de: US2025192176A1
The present disclosure relates to a combination of redox active compounds for use as redox flow battery electrolytes. Further provided herein is a kit comprising the combination, a redox flow battery, and a method using the combination, kit and/or redox flow battery of the present disclosure.
Resumen de: US2025192172A1
A cathode for a lithium secondary battery includes lithium metal oxide particles having CM defined by D*(EIT/HIT)/(Li/Me)2 of of 70 or more. D is an average particle diameter value calculated in micrometers after measuring diameters of particles with a diameter of 4 μm or more in the lithium metal oxide particles included in a scanning electron microscope (SEM) image showing a thickness*width cross-section of the cathode active material layer. EIT is a modulus value of the lithium metal oxide particles measured by a nano indentation method. HIT is a hardness value of the lithium metal oxide particles measured by a nano indentation method. Li/Me is a molar ratio of lithium to metals other than lithium in the lithium metal oxide particles.
Resumen de: US2025187306A1
It is provided that a polyamide film which has excellent cold formability regardless of a position in the width direction at which the film is taken, and further inhibits dimensional accuracy from being reduced due to springback after forming, and has excellent warp resistance. A biaxially oriented polyamide film comprising 60 mass % or more of polyamide 6, and satisfying (a) a piercing strength measured in accordance with JIS Z 7102 is 0.5 N/μm or more and 1.0 N/μm or less, (b) a heat shrinkage rate at 160° C. is 3.0% or less in each of an MD direction and a TD direction, and (c) a stress attenuation rate is 12.0% or more in each of the MD direction and the TD direction in a tensile stress relaxation test at 25° C.
Resumen de: US2025187285A1
Systems and methods of producing a solid-state battery cell using an isostatic press system to apply a substantially uniaxial load on the flat surfaces of the cell, while limiting or eliminating the pressure applied to the sides and outside of the cell to minimize or reduce damage to those portions of the cell is provided. The substantially uniaxial force is generally perpendicular to the large planar surface(s) of the cell and portion of the cell being laminated or densified. A cell housing, configured for the number, size and thickness of cells to be processed, is provided that includes one or more receptacles for battery cells. The receptacles of the housing may have a shape and depth to receive individual battery cells or some portion thereof. The housing and the cell structures within the receptacles may be placed in a vacuum sealed sleeve to protect the cells from damage.
Resumen de: US2025187228A1
Provided herein are rapid, high quality film sintering processes that include high-throughput continuous sintering of lithium-lanthanum zirconium oxide (lithium-stuffed garnet). The instant disclosure sets forth equipment and processes for making high quality, rapidly-processed ceramic electrolyte films. These processes include high-throughput continuous sintering of lithium-lanthanum zirconium oxide for use as electrolyte films. In certain processes, the film is not in contact with any surface as it sinters (i.e., during the sintering phase).
Resumen de: US2025192402A1
A cell contacting system for electrically contacting a plurality of battery cells of a battery, having at least one electrical conductor for transporting electric current from and/or to one or more battery cells, and at least one structural component adapted to provide mechanical stability and electrical insulation to the at least one electrical conductor, wherein the at least one structural component covers a part, “covered part”, of the at least one electrical conductor and includes at least one polymer.
Resumen de: US2025192283A1
A pouch battery cell including an electrode assembly, an electrode tab, an electrode lead, and a pouch is provided. The pouch cell includes an electrode tab connected to an electrode assembly and an electrode lead connected to the electrode tab forming a metal portion. The pouch is fusion-sealed over a lead film surrounding the electrode lead to accommodate a portion of a metal portion and the electrode assembly. A thermal insulator is configured to cover at least a portion of a surface of a portion of the metal portion between the electrode assembly and the lead film.
Resumen de: US2025192357A1
A battery includes a first battery cell and the second battery cell, wherein the first battery cell is provided with a first surface, and the first battery cell has a first pressure relief mechanism arranged on the first surface. The second battery cell is provided with a second surface, and the second battery cell has a second pressure relief mechanism arranged on the second surface. The first surface and the second surface are arranged opposite to each other along a first direction, and the first pressure relief mechanism and the second pressure relief mechanism are staggered along the first direction.
Resumen de: US2025192354A1
A debris capture device for use in a battery system includes a housing and a baffle arrangement. The baffle arrangement is sized and configured to capture debris that is greater than a threshold weight (e.g., 10 grams) and/or greater than a threshold size (e.g.; 0.25 inches (0.635 cm)) to prevent the debris from being exhausted out an exhaust system of the battery system. The present disclosure relates generally to thermal runaway debris capture systems, devices, and methods, and more specifically, to thermal runway capture devices for use in aviation systems.
Resumen de: US2025192355A1
An embodiment battery pack includes a battery module and a battery pack housing covering the battery module, the battery pack housing including a venting frame disposed on an upper side of the battery module and including a venting hole configured to discharge a fluid generated in the battery module and a pack cover disposed on an upper side of the venting frame and communicated with the venting hole to include a venting passage extending horizontally together with the venting frame.
Resumen de: US2025192263A1
Thermal barrier assemblies are provided for inhibiting the transfer of thermal energy inside a traction battery pack. An exemplary thermal barrier assembly may include a heat spreader fin arranged within a cell stack and configured to provide a path for directing thermal energy into an enclosure structure rather than through the thermal barrier assembly to a cold side of the cell stack. The heat spreader fin may extend to a location that is either between an insulating layer of the thermal barrier assembly and the enclosure structure or between a grouping of battery cells of the cell stack and the enclosure structure.
Resumen de: US2025192140A1
The present invention relates to a positive electrode (1), comprising a positive electrode current collector metal body (14) and a composite laminate (16) present on at least one surface of the positive electrode current collector metal body (14), wherein: the composite laminate (16) comprises a positive electrode active material layer (12) and a conductive layer (15), wherein the conductive layer (15) is present between the positive electrode current collector metal body (14) and the positive electrode active material layer (12), and coats at least a part of the positive electrode current collector metal body (14), the conductive layer (15) comprises conductive carbon, the positive electrode active material layer (12) comprises one or more positive electrode active material particles, at least a part of the positive electrode active material particles comprises a core section consisting of a positive electrode active material and an active material coating section coating at least a part of a surface of the core section, the conductive layer (15) comprises conductive carbon, a total conductive carbon content of the composite laminate (16) is 0.5 to 3.0% by mass with respect to a total mass of the composite laminate (16), and a volume capacity density of the composite laminate (16) is 330 to 400 mAh/cm3.
Resumen de: US2025192220A1
A lithium secondary battery includes a positive electrode, a negative electrode, a separator, and an electrolyte, wherein the positive electrode includes a positive electrode active material layer having a positive electrode active material containing an overlithiated manganese-based oxide represented by Formula 1 below, and the negative electrode includes a negative electrode active material layer having a silicon-based negative electrode active materialLiaNibCocMndMeO2 Formula 1wherein, M is at least one selected from the group consisting of Al, B, Co, W, Mg, V, Ti, Zn, Ga, In, Ru, Nb, Sn, Sr, and Zr, and 1≤a, 0≤b≤0.5, 0≤c≤0.1, 0.5≤d<1.0, and 0≤e≤0.2, and. Preferably, in the Formula 1, 1.1≤a≤1.5, 0.1≤b≤0.4, 0≤c≤0.05, 0.5≤d≤0.80, and 0≤e≤0.1.
Resumen de: US2025192174A1
An anode active material for a lithium secondary battery comprising magnesium-silicon composite oxide particles comprising MgSiO3 and silicon and having a ratio of magnesium to total magnesium, silicon, and oxygen of about 0.07 to about 0.17. A secondary lithium battery comprising the anode active material is provided having enhanced capacity and lifespan.
Resumen de: US2025192217A1
A battery cell extraction device includes an adsorption part provided to be movable toward a battery cell stored in a tray, and provided to adsorb a first surface of the battery cell, and a guide part provided to be movable so that in a state where the first surface of the battery cell is adsorbed by the adsorption part, a second surface in a direction opposite to the first surface of the battery cell is supported, and including a plurality of elastic members disposed to contact the second surface of the battery cell.
Resumen de: US2025192138A1
Systems and methods are provided for high volume roll-to-roll direct coating of electrodes for silicon-dominant anode cells. A system for continuous roll-to-roll electrode processing may include one or more components configured for receiving a plurality of precursor composite rolls, with each precursor composite roll including a precursor composite film coated on a current collector, and a heat treatment oven configured for applying heat treatment concurrently to the plurality of precursor composite rolls, to convert the precursor composite film in each precursor composite roll into a pyrolyzed composite film on the current collector. The system is configured for processing the plurality of precursor composite rolls in a continuous manner.
Resumen de: US2025192273A1
Disclosed in the present disclosure is a multi-sealed composite box structure, including: a box frame, including a side beam profile; a bottom protection plate layer, assembled to the box frame, and a side of the box frame assembled to the bottom protection plate layer being an assembling surface; a liquid cooling plate layer, positioned between the box frame and the bottom protection plate layer; a buffer layer, clamped between the bottom protection plate layer and the liquid cooling plate layer; at least two first edge sealing layers, sealed between the box frame and edges of the liquid cooling plate layer; and at least one second edge sealing layer, sealed between edges of the liquid cooling plate layer and edges of the bottom protection plate layer.
Nº publicación: US2025192349A1 12/06/2025
Solicitante:
CONTEMPORARY AMPEREX TECH HONG KONG LIMITED [CN]
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
Resumen de: US2025192349A1
A battery cell comprises an electrode assembly, a case and an insulating member. The case is used for accommodating the electrode assembly and has a wall portion arranged opposite the electrode assembly in a first direction, the wall portion being provided with a first pressure-relief area. In the first direction, the insulating member is at least partially arranged between the electrode assembly and the wall portion to insulate and isolate the electrode assembly from the wall portion. The insulating member is provided with a second pressure-relief area at the position corresponding to the first pressure-relief area, and the first pressure-relief area and the second pressure-relief area are configured to be open when the battery cell releases pressure.
BOPI
Sede Electrónica
