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219
resultados
Última actualización
21/11/2025 [06:51:00]
Resultados 175 a 200 de 219
Resumen de: DE102024122215A1
Die Erfindung betrifft eine modulare elektrische Energiespeicherzelle, deren Verwendung in einem Zellverbund sowie übergeordneten Systemen. Die elektrische Energiespeicherzelle ist derart ausgebildet, dass diese einen Zellverbund mit seriell und / oder parallel geschalteten elektrischen Energiespeicherzellen bilden kann und die elektrischen Energiespeicherzellen jeweils einzeln tauschbar sind.
Resumen de: DE102024203750A1
Um eine Heizvorrichtung zum Erwärmen eines Kühlmittels bereitzustellen, welche ein geringes Gewicht aufweist und eine optimierte Erwärmung des Kühlmittels ermöglicht, wird eine Heizvorrichtung (100) zum Heizen eines Kühlmittels, insbesondere einer Kühlflüssigkeit, vorgeschlagen, aufweisend einen Kühlmittelkanal (14) zum Führen des Kühlmittels und aufweisend wenigstens eine Heizfolie (10) zum Heizen des Kühlmittels, wobei in der Heizfolie (10) wenigstens eine Heizleiterbahn (11) angeordnet ist, und wobei die Heizfolie (10) in dem Kühlmittelkanal (14) angeordnet ist, derart, dass die Heizfolie (10) von dem Kühlmittel umströmbar ist.
Resumen de: DE102024117993A1
Eine Batteriebaugruppe definiert eine erste Achse, eine zweite Achse orthogonal zur ersten Achse und eine dritte Achse orthogonal zur ersten Achse und zur zweiten Achse und umfasst eine Vielzahl von Batteriezellen, die entlang der dritten Achse angeordnet sind, und eine integrierte Leiterplatten(ICB)-Baugruppe, die benachbart zu den Batteriezellen entlang der ersten Achse angeordnet und elektrisch an die Vielzahl von Batteriezellen gekoppelt ist. Die ICB-Baugruppe umfasst eine Kühlstruktur, die thermisch an die Batteriezellen gekoppelt ist. Die Kühlstruktur umfasst einen Grundkörper, der mindestens einen Kühlfluidströmungsweg definiert, der zum Hindurchströmen von Kühlfluid ausgestaltet ist, um Wärme von den Batteriezellen abzuleiten.
Resumen de: US2025343432A1
The disclosure provides a battery charging circuit, a battery pack and a battery pack charging system. The battery charging circuit includes a first control switch, a switch control unit and a power supply unit. The first control switch is arranged between the charging positive terminal and the positive electrode of the battery pack, or between the charging negative terminal and the negative electrode of the battery pack, and it is an NMOS transistor with a body diode. The switch control unit is connected to the gate, source, and drain of the first control switch and controls the on-off of the first control switch by sampling a voltage between the source and the drain of the first control switch. The output end of the power supply unit is connected to the power source end of the switch control unit to supply power to the switch control unit.
Resumen de: US2025343430A1
A method charges a battery of a device. In the method an initial a battery fully charged voltage (BFCV) is set, which after completion of a charging phase yields a capacity less than a maximum capacity of the battery. In each of several charging phases the battery is charged until a charging voltage of the battery reaches a current BFCV. For a first of the charging phases the current BFCV is set to the initial BFCV. The current BFCV is increased after a last charging phase and for a next charging phase such that a minimum capacity of the battery is maintained. Furthermore, a corresponding device and computer program execute the method.
Resumen de: US2025343411A1
Methods, systems, and apparatuses for jumpstarting an electric vehicle may include an electronic control unit (ECU) accepting external power connected to an externally accessible location of the vehicle and performing recovery functions. The ECU may conduct diagnostics on the received power and execute jumpstart mode steps if the power is acceptable. These steps may include powering and activating a vehicle access system to authenticate a user, activating latches to allow vehicle access, or providing power to seats or other components in order to obtain battery access. The ECU may determine whether to charge the low voltage battery based on diagnostic results.
Resumen de: US2025343414A1
The present disclosure relates to systems for and methods of using carbon generation parameters with battery energy storage to achieve a desired optimization in the energy storage operation of a battery. At least one parameter in achieving the desired optimization for managing energy storage includes the carbon generation parameter of the energy being used in the battery operations.
Resumen de: US2025343336A1
A battery cell, a battery, and an electric device, relating to the technical field of batteries. The battery cell comprises a casing assembly and a core assembly; the casing assembly comprises a casing and a first pole arranged on the casing; the core assembly is accommodated in the casing and comprises conductive parts electrically connected to the first pole, and each conductive part comprises a plurality of tabs which are stacked, and gathered and connected; a plurality of conductive parts are electrically connected to the first pole, the first pole is provided with a plurality of through holes, and at least one conductive part respectively passes through each through hole.
Resumen de: US2025343323A1
The present disclosure provides a method for manufacturing a separator for a lithium secondary battery. The method includes a step (S1) of preparing a slurry in which binder polymer particles and inorganic particles are dispersed in an aqueous dispersion medium, and a step (S2) of forming a porous coating layer by applying and drying the slurry on at least one surface of a porous polyolefin polymer substrate having a plurality of pores, in which the porous polyolefin polymer substrate has a thickness of 9 μm or less, the porous polyolefin polymer substrate has an average pore size of 30 nm or less, and the binder polymer particles remain in an amount of 0.5 g/m2 or less in the porous polyolefin polymer substrate after the porous coating layer is peeled off by a method of attaching and detaching 3M Scotch tape three times.
Resumen de: US2025343322A1
Provided is a separator for an electrochemical device. The separator includes a separator substrate made of a porous polymer material, wherein the separator substrate has a small thickness, excellent resistance characteristics and ion conductivity, and high mechanical strength. When the separator is applied to a battery, it is possible to improve the output characteristics of the battery.
Resumen de: US2025343295A1
A battery module may include: a plurality of battery cells that are stacked; a vapor chamber disposed between the plurality of battery cells and provided with a refrigerant therein; and a cooling pad provided to cool the vapor chamber, wherein the vapor chamber may include a main chamber and a subchamber of a sealed structure.
Resumen de: US2025343309A1
Disclosed herein is a battery module. The battery module case can include a stepped structure to increase the bonding forces between components of the case to improve yield of a battery module. The battery module can include a main body with a bottom plate connected to first and second side surfaces at opposite lateral portions. The case can include a first end plate and a second end plate to connect to the main body and cover the front and rear surfaces. A cover plate can enclose the upper surface of the main body. The stepped structure can be along an edge of the bottom plate to connect with the first and second end plate.
Resumen de: US2025343304A1
The present invention relates to a cylindrical secondary battery comprising: a can having a circular floor part, a cylindrical side part of which one end is open, a beading part formed to be adjacent to one end of the side part, and a curling part formed by curling an end portion of the side part; an electrode assembly accommodated in the can; a first cap assembly coupled to the open end portion of the side part; a second cap assembly coupled to the floor part; a first electrode current collection plate arranged between the first electrode plate and the first cap assembly; and a second electrode current collection plate arranged between the second electrode plate and the second cap assembly, wherein, after the first cap assembly is mounted on the first electrode current collection plate, the beading part is formed in an area that presses the outer edge of the first electrode current collection plate, in a state in which a cap plate and the outer edge of the first electrode current collection plate are in contact with the side part.
Resumen de: DE102024119329A1
Ein Verfahren zum Herstellen einer Batterie umfasst das Befüllen eines Batteriepacks mit einem Vergussmaterial und das Festklemmen des Batteriepacks mit einer Klemme, um eine Klemmkraft auf die Rückseite der Batterie auszuüben, während sich das Vergussmaterial im Batteriepack befindet. Die Klemme umfasst einen Klemmarm und eine starre Grundplatte. Das Verfahren umfasst ferner das Aufrechterhalten der Klemmkraft auf das Batteriepack, während das Vergussmaterial aufschäumt, um die Verformung des Batteriepacks zu minimieren, während sich das Vergussmaterial während des Aushärtens ausdehnt. Ferner umfasst das Verfahren das Abklemmen des Batteriepacks.
Resumen de: DE102024112280A1
Die Erfindung betrifft eine Anschlussvorrichtung (1) für einen Hochvoltspeicher eines Kraftfahrzeugs zum Anschließen an eine Temperiervorrichtung des Hochvoltspeichers und an eine hochvoltspeicherexterne, Temperierfluid führende Leitung eines Temperiersystems des Kraftfahrzeugs, aufweisend- einen aus einem elektrisch isolierenden Material ausgebildeten Fluidanschluss (2) zum mechanischen Verbinden mit einem ein Bezugspotential führenden Teil des Hochvoltspeichers und zum Koppeln mit der Temperiervorrichtung und der Leitung für die Ausbildung eines fluidführenden Strömungspfads (8) zwischen der Temperiervorrichtung und der Leitung, und- eine Potentialausgleichseinrichtung (10) zum Bereitstellen eines Potentialausgleichs zwischen der Temperiervorrichtung und dem Bezugspotential mithilfe des Temperierfluids, mit einem ersten elektrischen Leitelement (11), welches in einer Durchgangsöffnung (13) in einer den Strömungspfad (8) umgebenden Wandung (9) des Fluidanschlusses (2) angeordnet ist und dabei zum elektrischen Kontaktieren des den Strömungspfad (8) durchströmenden Temperierfluids zumindest an den Strömungspfad (8) angrenzt, und einem mit dem ersten Leitelement (11) elektrisch und mechanisch verbundenen zweiten elektrischen Leitelement (12), welches an einer Außenseite des Fluidanschlusses (2) angeordnet ist und durch mechanisches Verbinden des Fluidanschlusses (2) und des Teils mit dem Bezugspotential elektrisch verbindbar ist.
Resumen de: WO2025229415A1
The present disclosure relates to the field of battery modules, and envisages a battery module holding mechanism for a cell-to-pack battery (10). The holding mechanism comprises a layer of thermal interface material (110) applied on an operative top surface of the cooling plate (25). An interface plate (115) is configured to be stacked on said layer of thermal interface material (110) to facilitate detachment and reattachment of the module (40) to the battery frame (15). A layer of thermally conductive adhesive (120) is applied on an operative top surface of the interface plate (115) to facilitate securely attach the battery modules (40) to the interface plate (115).
Resumen de: WO2025229948A1
Solution A nonaqueous electrolyte secondary battery comprises an electrode body in which a positive electrode (30) and a negative electrode are disposed facing each other with a separator interposed therebetween. The positive electrode (30) comprises a positive electrode single-sided core body exposed portion (31c) at which a positive electrode core body (31) is exposed on one surface and a positive electrode mixture layer is disposed on the surface of the side opposite thereto. The positive electrode single-sided core body exposed portion is rectangular, with three of the four sides being adjacent to the positive electrode mixture layer (32), and the remaining one side being an open end (31e) that is not adjacent to the positive electrode mixture layer. An insulating tape (51) is affixed to the positive electrode (30) so as to extend beyond the four sides and cover the positive electrode single-sided core body exposed portion. The insulating tape (51) is divided into a non-adhesive region (51a) provided over an entire protruding portion (51d) that is protruded outward from the open end, and an adhesive region (51b) provided over the entire side opposite the protruding portion (51d) from the non-adhesive region (51a).
Resumen de: WO2025227554A1
The present application relates to a lamination apparatus, a lamination process, and a battery processing device. The lamination apparatus comprises a rolling mechanism for rolling electrode sheets. The rolling mechanism comprises at least one group of roller assemblies, and a rolling space is formed in a gap between two roller assemblies that form the group. At least one roller assembly in each group of roller assemblies comprises a roller body and a release agent layer, and the release agent layer is arranged on the outer periphery of the roller body in the direction intersecting the axial direction of the roller body. In the present application, the release agent layer is arranged on the outer periphery of the roller body. When the rolling mechanism is used for carrying out hot-pressing lamination on the electrode sheets, the release agent layer can isolate a release force generated by the penetration of pressure-sensitive adhesive molecules on a separator, so that the probability of pressure-sensitive molecules penetrating through the separator and adhering to the roller assemblies is reduced, and the pressure-sensitive adhesive can be more easily stripped from the release agent layer, thereby effectively mitigating the problem of a binder adhering to the roller assemblies. In this way, more stable bonding and lamination among a positive electrode sheet, a separator, and a negative electrode sheet can be achieved.
Resumen de: WO2025227489A1
A positive electrode active material and a preparation method therefor, a positive electrode sheet, a battery, and an electric device. The positive electrode active material is an iron-based sulfate sodium ion battery positive electrode material, and the X-ray diffraction pattern of the positive electrode active material has a first characteristic peak within the range of 34.9° to 35.3° and has a second characteristic peak within the range of 35.3° to 35.5°. The peak intensity I1 of the first characteristic peak and the peak intensity I2 of the second characteristic peak satisfy: 1.1≤I1/I2≤1.5. When the peak intensity ratio of the first characteristic peak and the second characteristic peak in the X-ray diffraction pattern of the positive electrode active material satisfies the condition, it is indicated that the form of existence of Fe in the positive electrode active material is mainly Fe2+, and the mass percentage of Fe3+ in the material is less than 1.5%, and the form of existence of Fe3+ is mainly Fe3O4 impurity phase, so that the reaction activity of the positive electrode material is reduced.
Resumen de: WO2025227490A1
A button cell (A) holder with an anti-detachment cap. The button cell (A) holder comprises a base (1), an upper cap (2), a positive contact piece (3) and a negative contact piece (4), wherein a cell accommodating recess (11) is provided on the base (1), and a first clearance recess (12) is provided on one side of the base (1); two sides of the first clearance recess (12) separately extend outward to form first snap-fit portions (13), and first snap-fit recesses (14) are respectively provided on opposite surfaces of the first snap-fit portions (13); second snap-fit recesses (15) are provided on an inner wall of the cell accommodating recess (11); the upper cap (2) is symmetrically provided with second snap-fit portions (21) corresponding to the first snap-fit portions (13), and the upper cap (2) is provided with second snap-fit tongues (22) corresponding to the second snap-fit recesses (15); and by means of the second snap-fit tongues (22) being inserted into the second snap-fit recesses (15) and the second snap-fit portions (21) being snap-fitted into the first snap-fit recesses (14), the upper cap (2) locks the button cell (A) in the cell accommodating recess (11); and during unlocking, the second snap-fit portions (21) elastically deform under the action of an external pressing force, thereby disengaging from the first snap-fit recesses (14). Cell detachment is prevented by means of a mechanical anti-detachment device, thereby ensuring uninterrupted power supply and reducin
Resumen de: US2025341586A1
Disclosed are methods, systems, and devices for battery formation. A first set of pulses, having a first frequency, and that carry a net zero charge, are applied to a battery. After the first set of pulses are applied to the battery, a second set of pulses that carry a net positive charge are applied to the battery. The second set of pulses are either applied after expiry of a particular time period following the application of the first set of pulses, or based on some battery measurements. After the second set of pulses are applied to the battery, a battery parameter is measured, and based on the measured battery parameter, a third set of pulses, having a second frequency, and that also carry a net zero charge, are applied to the battery.
Resumen de: WO2025229947A1
A non-aqueous electrolyte secondary battery according to the present invention comprises an electrode body in which a positive electrode (11) and a negative electrode are wound with a separator interposed therebetween. At least one of the positive electrode and the negative electrode includes a mixture layer which is provided to at least the winding outer surface of an electrode core body, a core body exposure part (33a) in which the electrode core body is exposed in the winding outer surface of the electrode core body, and a laminated protective tape (40a). The laminated protective tape (40a) includes a base tape (41) which is attached to the mixture layer so as to cover the core body exposure part (33a), and a coating tape body (42) which is constituted by at least one coating tape that is attached so as to overlap the base tape. The core body exposure part (33a) is entirely covered with a part in which the base tape (41) and one or more coating tapes of the coating tape body (42) are disposed in the stacking direction, and the coating tape body (42) is not directly attached to the mixture layer.
Resumen de: WO2025229924A1
Provided is a urethane foam capable of extinguishing fire in a short time with respect to ignition due to, e.g., rapid temperature rise of a battery cell, and excellent in followability to a substance to be protected. This fireproof urethane foam for a battery contains 10-400 parts by mass of a radical generator with respect to 100 parts by mass of a urethane compound.
Resumen de: WO2025229906A1
This method for manufacturing an electrode for a lithium-ion secondary battery comprises: a disposing step for disposing granulated material (2) on a current-collector foil (1) moving along a transport path including a transport roll (70); a first roll step for leveling the granulated material (2) disposed on the current-collector foil (1) by means of a first roll (20); a second roll step for pressure-bonding the leveled granulated material (2) by means of a second roll (30); and a removal step for removing an end portion of an active material layer composed of the granulated material (2) by pressing a removing part onto the active material layer from a main surface side thereof.
Nº publicación: WO2025229905A1 06/11/2025
Solicitante:
AESC JAPAN LTD [JP]
\u682A\u5F0F\u4F1A\u793E\uFF21\uFF25\uFF33\uFF23\u30B8\u30E3\u30D1\u30F3
Resumen de: WO2025229905A1
This method for manufacturing an electrode for a lithium-ion secondary battery comprises: a step for disposing granulated material (2) on a moving current-collector foil (1); a step for leveling the granulated material (2) disposed on the current-collector foil (1) by means of a first roll (20); and a step for press-bonding the leveled granulated material (2) by means of a second roll (30). The first roll (20) rotates in a direction opposite to the moving direction of the current-collector foil (1). The second roll (30) rotates in the moving direction. The peripheral speed of the first roll (20) is 0.1% to 20% of the peripheral speed of the second roll (30). The ratio of the distance G1 between the current-collector foil (1) and the first roll (20) and the particle diameter D50, at which the cumulative frequency in a volume-based cumulative frequency distribution curve of the granulated material (2) measured using a laser diffraction particle size distribution measurement device is 50%, or D50/G1, is 0.10 to 0.85.
BOPI
Sede Electrónica
