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955
resultados
Última actualización
09/02/2026 [07:06:00]
Resultados 500 a 525 de 955
Resumen de: US20260031423A1
A method for disassembling a laminated battery includes: preparing a laminated battery including a laminate, an electrode body enclosed in the laminate, and an electrolyte enclosed in the laminate; and heating the laminated battery until at least the laminate is unsealed.
Resumen de: US20260031416A1
In some embodiments, a system for charging a house battery bank in a vehicle is provided. The system comprises a disconnect solenoid electrically coupled to a starter battery and an alternator of the vehicle; and a controller monitor. The controller monitor is configured to adjust a disconnect signal to cause the disconnect solenoid to disconnect the starter battery from the alternator in response to detecting an ignition on signal and detecting a merge signal indicating an electrical connection between the house battery bank and at least one of the starter battery or the alternator. In some embodiments, a method of charging a house battery bank is provided that comprises charging at least one house battery bank with an alternator powered by an engine, and contemporaneously charging a starter battery with a direct current (DC) to DC charger powered by the alternator.
Resumen de: US20260031413A1
Battery cells, vehicles with battery cells, and methods for forming battery cells are provided. A battery cell includes a cathode electrode comprising a cathode active material, wherein the cathode active material comprises lithium sulfide (Li2S); an anode current collector serving as an anode electrode; a solvate ionic liquid (SIL) electrolyte; and a fluorinated ether diluent.
Resumen de: US20260031332A1
A battery cell, a battery, and an electrical device. A positive electrode active material of the battery cell comprises a first lithium-nickel-cobalt-manganese oxide and a second lithium-nickel-cobalt-manganese oxide. A negative electrode active material comprises a silicon-based material and a carbon-based material. A molar content of nickel element in the second lithium-nickel-cobalt-manganese oxide is greater than that of nickel element in the first lithium-nickel-cobalt-manganese oxide among all transition metal elements, wherein the molar content of the nickel element in the second lithium-nickel-cobalt-manganese oxide among all transition metal elements is greater than or equal to 0.8.
Resumen de: US20260031405A1
Secondary batteries are described, the batteries comprising a positive electrode layer, a negative electrode layer and an insulating layer. The insulating layer is located between the positive electrode layer and the negative electrode layer; the thickness of the positive electrode layer is about 10-200 mm; the thickness of the negative electrode layer is 5-150 mm; and the secondary battery meets the following condition: 20%≤a−(b/20)×5%≤35%; where the porosity of the insulating layer is a; and the thickness of the positive electrode layer is b mm. According to the secondary battery, the impedance of the secondary battery can be obviously reduced, and the capacity retention rate of the battery is increased in the long-term cycle process.
Resumen de: WO2026021611A1
The present application provides a method for preparing a positive electrode slurry suitable for a battery cell of an electronic cigarette, a positive electrode sheet for an electronic cigarette, a battery cell, and a lithium-ion battery. The method for preparing a positive electrode slurry comprises the following steps: S1, stirring a binder and a first solvent at the speeds of W1 and V1 for t1 min to obtain a glue solution; S2, stirring the glue solution and a first conductive agent at the speeds of W2 and V2 for t2 min to obtain a first conductive slurry; S3, stirring the first conductive slurry and a second conductive agent at the speeds of W3 and V3 for t3 min to obtain a second conductive slurry; S4, stirring the second conductive slurry and a positive electrode active material at the speeds of W4 and V4 for t4 min to obtain a mixture; and S5, stirring the mixture and a second solvent at the speeds of W5 and V5 for t5 min to prepare a positive electrode slurry.
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: WO2026021330A1
The present application belongs to the technical field of lithium-ion battery preparation. Disclosed are an electrode sheet preparation device, an electrode sheet preparation method and an electrode sheet. The electrode sheet preparation device comprises a coating assembly and a magnetization assembly, wherein in the conveying direction of a substrate, the coating assembly is located upstream of the magnetization assembly; the coating assembly is configured to coat a coating surface of the substrate with a slurry; and the magnetization assembly is configured to magnetize particles in the slurry so as to change the arrangement direction of the particles in the slurry. The present application can change the arrangement direction of particles in a slurry on a substrate on the basis of ensuring the production efficiency of an electrode sheet, thereby ensuring the diffusion effect of lithium ions and improving the performance of a lithium-ion battery.
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: US20260031410A1
A leak testing system includes a first test station, a second test station, a conveyor, and a controller. The first test station includes a first infrared camera equipped with a first optical CO2 lens filter, a first backdrop including a first heated surface and a first mirror, a first vacuum source, and a first CO2 gas delivery system. The second test station includes a second infrared camera equipped with a second optical CO2 lens filter, a second backdrop including a second heated surface and a second mirror, a second vacuum source, and a second CO2 gas delivery system. The first infrared camera is disposed to monitor a first field of view that includes the first backdrop. The second infrared camera is disposed to monitor a second field of view that includes the second backdrop. The controller includes a cell test procedure that is captured in algorithmic code.
Resumen de: US20260031331A1
A negative electrode active material, a rechargeable lithium battery including the same, and a preparation method of the same are provided. The negative electrode active material includes an aggregated body in which two or more composites are aggregated, the composites each including silicon (Si) and carbon (C), and a coating layer around (e.g., surrounding) the aggregated body, wherein the composites each include a core containing crystalline silicon, a first shell containing a first amorphous carbon on the core, and a second shell containing amorphous silicon on the first shell, and wherein the coating layer contains a second amorphous carbon.
Resumen de: US20260031335A1
Provided is a technique to recover a capacity of a degraded positive electrode active material and to reduce a response resistance increased by the degradation without using a means for baking. A manufacturing method disclosed herein includes polishing the positive electrode active material. The positive electrode active material includes a core particle having a layered crystal structure and includes a coating part having a rock salt crystal structure on a surface of the core particle. A ratio (IB/IA) of a peak strength IA at 8341 eV on a nickel (Ni)—K absorption edge measured by a XAFS analysis on the positive electrode active material before the polishing and a peak strength IB at the 8341 eV on the nickel (Ni)—K absorption edge measured by the XAFS analysis on the positive electrode active material after the polishing becomes equal to or less than 0.7.
Resumen de: US20260031420A1
The present invention relates to a method for producing cathode material from spent batteries, and to cathode material obtained according to the method of the invention.
Resumen de: US20260031407A1
An electrode assembly includes a first electrode plate, a second electrode plate, and a separator that are wound to form a jelly-roll structure. The electrode assembly includes a first straight portion, a first curved portion, a second straight portion, and a second curved portion. The first straight portion and the second straight portion each include a first part, a second part, and a third part. Along a thickness direction of the first electrode plate, the first electrode plate is locally recessed in at least one of the first curved portion, the second curved portion, the first part, or the third part, so as to form a first recessed portion or portions. The first electrode plate at the first recessed portion is locally recessed to form a second recessed portion or portions. The first recessed portion and the second recessed portion are recessed in the same direction.
Resumen de: DE102024121095A1
Die Erfindung betrifft eine Batterie (1), mit einer Batteriekomponente (2), einem Sensor (3), zwei Sensorelektroden (4) und einer elektrischen Leitung (5), wobeider Sensor (3) als Mikrostruktur in die Batteriekomponente (2) integriert ist,die beiden Sensorelektroden (4) derart in die Batteriekomponente (2) integriert sind, dass sie von außerhalb der Batteriekomponenten (2) galvanisch kontaktierbar sind, unddie elektrische Leitung (5) den Sensor (3) derart mit den Sensorelektroden (4) verbindet, dass dieser über die elektrische Leitung (5) auslesbar ist.Auf diese Weise wird eine effiziente Zustandsüberwachung einer Batterie (1) ermöglicht.
Resumen de: DE102024131061A1
Die vorliegende Erfindung betrifft ein Batteriemodul (10) für einen elektrischen Energiespeicher (12) eines Kraftfahrzeugs, umfassend mehrere Speicherelemente (14), wobei zwischen jeweils zwei benachbarten Speicherelementen (14) ein jeweiliger Abstand vorgesehen ist und in dem jeweiligen Abstand jeweils ein Zwischenmaterial (16) angeordnet ist, wobei das Batteriemodul (10) mindestens eine Aktivierungseinrichtung (18) aufweist und das jeweilige Zwischenmaterial (16) ein jeweiliges expandierbares Material (20) ist, durch dessen durch die Aktivierungseinrichtung (18) bewirkte Volumenvergrößerung der jeweilige Abstand zwischen den Speicherelementen (14) vergrößerbar ist.
Resumen de: DE102024126519A1
Eine Batteriezelle umfasst A Anodenelektroden mit einer Anodenaktivmaterialschicht und einem Anodenstromkollektor, S Separatoren und C kondensatorverstärkte Kathodenelektroden, wobei A, C und S ganze Zahlen größer als eins sind. Jede der C kondensatorverstärkten Kathodenelektroden umfasst einen Kathodenstromkollektor; eine auf dem Kathodenstromkollektor angeordnete Kondensatorschicht; und eine Kathodenaktivmaterialschicht mit Kathodenaktivmaterial, die auf der Kondensatorschicht angeordnet ist.
Resumen de: DE102024121198A1
Ein Verfahren zum Herstellen einer positiven Elektrode (10) mit einem Ableiter (12) und einem auf dem Ableiter (12) aufgebrachtem positivem Aktivmaterial (18) für eine Natriumionenbatterie oder eine Kaliumionenbatterie umfasst einen Schritt, in dem das positive Aktivmaterial (18) in Lösung mit einer Beschichtung (20) aus einem Polythiophen versehen wird.Ferner werden eine positive Elektrode sowie eine Batterie angegeben.
Resumen de: DE102024002412A1
Die Erfindung betrifft ein Verfahren zum Betreiben einer Hochvoltbatterie (20) eines elektrisch betreibbaren Fahrzeugs (10), welche wenigstens eine erste Zelleinheit (22) mit einer ersten Zellart und eine zweite Zelleinheit (24) mit einer zweiten Zellart umfasst, wobei die erste Zelleinheit (22) eine höhere Zyklenfestigkeit aufweist als die zweite Zelleinheit (24) und wobei die zweite Zelleinheit (24) eine höhere Energiedichte aufweist als die erste Zelleinheit (22). Die Hochvoltbatterie (20) wird in einem bidirektionalen Lademodus abhängig von fahrzeuginternen und/oder fahrzeugexternen Randbedingungen betrieben. Dabei wird eine Verwendung der ersten Zelleinheit (22) und/oder der zweiten Zelleinheit (24) abhängig von den fahrzeuginternen und/oder fahrzeugexternen Randbedingungen entschieden.
Resumen de: US20260031334A1
An electrochemical device includes a positive electrode, a negative electrode, a separator, and a lithium-ion conductive electrolyte. The positive electrode includes a current collector, and a mixture layer which is supported on the current collector and into which anions are reversibly doped. The negative electrode includes a negative electrode current collector, and a mixture layer which is supported on the current collector and into which lithium ions are reversibly doped. A length L1 of the negative electrode mixture layer in a first direction is longer than a length L2 in a second direction orthogonal to the first direction. A state of charge of two end regions adjacent to both ends of the negative electrode mixture layer in the second direction is X %, a state of charge of a center region of the negative electrode mixture layer in the second direction is Y %, and X<Y is satisfied.
Nº publicación: US20260031323A1 29/01/2026
Solicitante:
EVE POWER CO LTD [CN]
EVE POWER CO., LTD
Resumen de: US20260031323A1
An electrode sheet thermal-lamination adjustment mechanism includes a feeding assembly, a deviation correction assembly, and a visual recognition assembly. The feeding assembly includes a feeding platform. The incoming material strip includes a separator strip and a first electrode sheet disposed within the separator strip. The deviation correction assembly includes a first deviation correction member, a second deviation correction member, and a third deviation correction member. The second deviation correction member and the third deviation correction member are sequentially disposed along the X direction. The X direction is parallel with the conveying direction of the second electrode sheet. The Y direction is perpendicular to the X direction. The X direction and the Y direction are in the same plane. The visual recognition assembly faces the feeding platform. The visual recognition assembly is configured to perform visual recognition on the second electrode sheet on the feeding platform.
BOPI
Sede Electrónica
