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1748
resultados
Última actualización
08/05/2025 [07:42:00]
Resultados 1275 a 1300 de 1748
Resumen de: US2025132402A1
A control device having a control unit for a battery system that has a number of storage cells, which are connected to a control unit and also to one another, wherein each of the storage cells is assigned a cell supervision circuit having connected sensors. In order to eliminate disadvantages in scalability and achieve the most accurate possible control and monitoring even for a large battery system, it is proposed to provide subgroups of interconnected storage cells and/or modules within the battery system, with each subgroup having a respective micro-master to which all of the cell supervision circuits of the relevant subgroup are connected and the micro-master being embodied to evaluate and filter all of the data from the cell supervision circuits and being connected to a battery management system by means of the control unit for the data transfer.
Resumen de: US2025132387A1
According to one aspect, an electrochemical cell may include a first electrode including a metal-containing active material, a second electrode, and an electrolyte in ionic communication between the first electrode and the second electrode, the electrolyte including a gel and an additive, the gel including a polymer network and a liquid medium, the polymer network carried in the liquid medium, the additive suspended in the gel and accumulable at the metal-containing active material of the first electrode.
Resumen de: US2025132386A1
The present disclosure relates to a method for manufacturing a gel polymer electrolyte secondary battery which allows easy removal of the gases generated in the secondary battery, and provides the secondary battery with significantly improved resistance and life characteristics and improved mechanical properties and thus improved stiffness and safety.
Resumen de: US2025132397A1
A power storage device includes a stacked body and a sealing body for sealing a side surface of the stacked body. The sealing body includes a first seal portion welded to a first surface of a first current collector, a second seal portion welded to a second surface of a second current collector, a spacer sandwiched between the first seal portion and the second seal portion, and a welding portion formed by welding outer edge portions of each seal portion and the spacer positioned outside an outer edge of the current collector. The spacer includes a first liquid injection port communicating with an internal space. The welding portion includes a second liquid injection port communicating with the first liquid injection port. A thickness of the spacer is larger than each of a thickness of the first seal portion and a thickness of the second seal portion.
Resumen de: US2025132375A1
A secondary battery belonging to the technical field of batteries is provided. The secondary batter includes a positive electrode sheet, a separator, and a negative electrode sheet. The positive electrode sheet includes a positive electrode material including a first active material and a second active material. The first active material is a layered structure material, and the second active material is an olivine structure material. A mass ratio of the second active material to a sum of masses of the first active material and the second active material is 5 wt % to 30 wt %. A discharge curve of the secondary battery has a first voltage platform and a second voltage platform.
Resumen de: US2025132373A1
A framing assembly for a battery module having at least one battery cell stack. The framing assembly includes end plates for forming ends to the battery cell stack, side plates for forming sides to the battery cell stack, and locking plates for securing each end of the side plates to an end plate. The end plates have studs that project from the end plates, the side plates have open-ended slots to receive the studs and pins near the open-ended slots that project from the side plate. The locking plates have stud openings and pin openings that contain the studs and pins when securing the side plates to end plates. Fasteners engage with the studs to retain the locking plates on the studs and pins. Framing assembly maintains compression of the battery cell stacks.
Resumen de: US2025132376A1
A lithium-ion secondary battery is provided in the present disclosure, including a positive electrode with a first current collector and a first active material, a negative electrode, a separator between the positive electrode and the negative electrode, a field electrode at one side of the negative electrode opposite to the positive electrode, and a first insulating layer isolated between the negative electrode and the field electrode.
Resumen de: US2025132349A1
A cathode lithium-supplementing additive, a preparation method thereof, and an application thereof are disclosed. The cathode lithium-supplementing additive of the present application includes a lithium-supplementing material, the lithium-supplementing material includes fluorine atoms, and the fluorine atoms replace oxygen atoms in the lithium-supplementing material and are in oxygen vacancies. According to the present application, the cathode lithium-supplementing additive is doped with fluorine, has relatively good high-voltage stability and thermal stability and relatively high rate performance, reduces the content of residual alkali, has high storage stability and good processability, and can also reduce gas production, thereby improving the cycle performance, electrochemical performance, and safety performance of a corresponding battery. In addition, the preparation method of the cathode lithium-supplementing additive can ensure stable structure and electrochemical performance of the cathode lithium-supplementing additive, have high efficiency, and reduce the production cost.
Resumen de: US2025132426A1
An encapsulation film includes: an inner layer, where the inner layer includes a thermoplastic resin; an outer layer, where the outer layer includes a thermosetting resin; and a metal layer, where the metal layer is located between the inner layer and the outer layer, the metal layer includes at least one of stainless steel, titanium alloy, or nickel alloy, a thickness of the metal layer is 10 μm to 60 μm, and a tensile strength of the metal layer is 300 MPa to 2000 MPa; where a ratio of a thickness of the inner layer to the thickness of the metal layer is 0.6 to 3.
Resumen de: US2025132371A1
An apparatus for manufacturing an electrode assembly, includes a mandrel, a first fixing part, and a second fixing part. The mandrel to winds an electrode assembly including a first electrode, a first separator, a second electrode, and a second separator. The first fixing part to fix an outermost periphery of the electrode assembly, and the second fixing part is positioned to be spaced apart from the first fixing part along a circumference of the mandrel and to fix the first and second separators. The first fixing part includes a position adjustment part to adjust a position thereof in accordance with a winding thickness of the electrode assembly. A method comprising the same is also provided.
Resumen de: US2025132412A1
To allow battery cells to be efficiently cooled. A battery module includes a plurality of battery cells, at least one bus bar, and a cooling member. The bus bar electrically connects electrodes of the plurality of battery cells to each other. The cooling member contacts, in a heat transferable manner, the back side of portions of the bus bar that contact the electrodes. According to this configuration, the heat transferred from the electrodes of the battery cells to the bus bar can be dissipated to the cooling member on the back side of the electrodes. Therefore, the battery cells can be efficiently cooled.
Resumen de: US2025132434A1
A battery pack, a battery module including the battery pack, and a power supply device including the battery module. The battery pack includes: a type-1 battery cell; and a series of type-2 battery cells which have an output power and a capacity different from an output power and a capacity of the type-1 battery cell and are arranged along a circumference of the type-1 battery cell to surround the type-1 battery cell. The series of type-2 battery cells are connected in parallel to the type-1 battery cell. The battery pack is a high-power, high-capacity battery pack capable of instantaneously outputting high power without a decrease in lifespan for a long time.
Resumen de: US2025132306A1
An electrode plate manufacturing apparatus for a secondary battery includes a supply reel configured to supply a substrate, the substrate having a first surface that is uncoated and a second surface that is at least partially coated, and a patterner adjacent to the supply reel, the patterner including a polygon roller and a support roller facing each other, the patterner being configured to pattern the substrate passing between the polygon roller and the support roller, and the polygon roller including convex curved portions that extend in an axial direction of the polygon roller and that are arranged in a circumferential direction of the polygon roller.
Resumen de: US2025128645A1
A work machine includes a tank of secondary battery coolant to act as a heat sink to cool a secondary battery. When a power unit is available for use to provide electrical power to the work machine, a secondary battery cooling system is used. The secondary battery cooling system includes a tank used to store secondary battery coolant. The secondary battery coolant stored in the tank is maintained within a temperature range using the refrigerant of an HVAC system that used to cool the cab of the work machine. When the power unit is available for use, the HVAC system is fluidically disconnected from cooling the secondary battery coolant stored in the tank. Thereafter, the secondary battery is cooled using the secondary battery coolant stored in the tank. Thus, the secondary battery coolant stored in the tank acts as a heat sink to remove heat from the secondary battery until the power unit is available for use.
Resumen de: DE102024115805A1
Festkörper-Sekundärbatterie und Verfahren zur Herstellung derselben, wobei die Festkörper-Sekundärbatterie einen Zellenstapel (ST) mit einer Stapelstruktur und ein Schutzelement (40) aufweist, welches nacheinander gestapelt eine erste thermoplastische Harzschicht (41), eine zweite thermoplastische Harzschicht (42) und eine dritte thermoplastische Harzschicht (43) aufweist, und auf einem Umfangsbereich der Festkörperelektrolytschichten (30, 31, 32) angeordnet ist, in welchem die Kathodenschicht (20) nicht angeordnet ist, während es zwischen den zwei Festkörperelektrolytschichten (30, 31, 32) zwischengeordnet ist, welche angeordnet sind, um zueinander benachbart zu sein, sodass die Kathodenschicht (20) zwischen den zwei Festkörperelektrolytschichten (30, 31, 32) zwischengeordnet ist. Eine Glasübergangstemperatur der ersten thermoplastischen Harzschicht (41) und eine Glasübergangstemperatur der dritten thermoplastischen Harzschicht (43) sind geringer als eine Glasübergangstemperatur der zweiten thermoplastischen Harzschicht (42).
Resumen de: DE102023210372A1
Verfahren zum Prädizieren eines Bedarfs zum Ausgleichen von Ladezuständen einer Mehrzahl von elektrochemischen Energiespeicherzellen eines elektrochemischen Energiespeichers.
Resumen de: DE102023128720A1
Die Erfindung betrifft eine Batteriezelle (1) für eine Traktionsbatterie (8) eines Fahrzeugs (7) und ein Fahrzeug (7) mit einer Traktionsbatterie (8), die zumindest eine solche Batteriezelle (1) aufweist, wobei zumindest eine Außenwandung (2) der Batteriezelle (1) zumindest ein passives Kühlelement (3) aufweist, das als Wärmerohr ausgebildet ist.
Resumen de: DE102023134690A1
Eine Batteriezelle weist eine Mehrzahl von ersten Elektrodenfahnen und eine Mehrzahl von zweiten Elektrodenfahnen auf, die an einen Stromabnehmer geschweißt sind. Der Stromabnehmer weist eine erste Seitenfläche und eine zweite Seitenfläche auf. Jede der Elektrodenfahnen der Mehrzahl von ersten Elektroden ist mit der ersten Seitenfläche gekoppelt. Außerdem ist jede der Elektrodenfahnen der Mehrzahl von zweiten Elektroden mit der zweiten Seitenfläche gekoppelt.
Resumen de: DE102023128527A1
Zellkontaktierungselement (2, 220) zur elektrischen Kontaktierung mindestens einer Energiespeicherzelle (3) eines Energiespeichermoduls (1), insbesondere eines Energiespeichermoduls für ein Fahrzeug, umfassend einen elektrisch leitenden Grundkörper (211, 221) mit mindestens einer Kontaktfläche (212, 222), die zur elektrischen Kontaktierung eines Terminals (302) wobei der Grundkörper (211, 221) in einem Teilbereich (214, 224) mit einer flächigen Beschichtung (217, 227) beschichtet ist.
Resumen de: US2025132575A1
A battery module, and an energy storage system and a control method therefor. When a corresponding preset condition is satisfied, battery modules can be switched in or out of a system by means of the on-off of a main loop on-off control circuit and a bypass on-off control circuit, so that the battery modules currently connected into the system can be adjusted in real time, and thus the battery modules in the system can satisfy the corresponding preset condition one by one, namely achieving the same state (for example, achieving SOC equalization), without causing energy waste. Moreover, a main loop buffer circuit or a bypass buffer circuit is provided in the battery module, so that energy impact generated when the battery module is switched in or cut out of the system can be absorbed.
Resumen de: US2025132409A1
The present invention relates to a protective film for solid-state batteries, which is a protective film arranged to cover a heat seal part of a solid-state battery including a battery element having a solid electrolyte, a packaging material housing the battery element, the heat seal part being disposed to a peripheral portion of the packaging material, and which contains a hydrogen sulfide adsorbent.
Resumen de: US2025132421A1
The present invention discloses a flame-retardant, thermal-insulating, and fireproof material for batteries, and relates to a silicone rubber flame-retardant and thermal-insulating material, which comprises a flame-retardant and thermal-insulating layer and an impact-resistant layer, wherein the flame-retardant and thermal-insulating layer comprises organic silicone rubber, a ceramic-forming filler, a flame retardant, an auxiliary agent, and glass powders with different initial melting temperatures, and molten-state temperature ranges of the glass powders cover 300° C. to 1500° C. Various glass powders with different molten-state temperature ranges are added to the material, so that when being burned to form a ceramic layer in the temperature range of 300° C. to 1500° C., the fireproof material always has glass powders in a molten state. The glass powders in the molten state can timely fill holes and cracks that appear at different temperatures in the ceramic layer, and ensure the continuity, integrity, and compactness of the ceramic layer as far as possible, so that the fireproof material has the characteristics of quick ceramic formation at a low temperature and high temperature resistance of about 1500° C. The problems that the existing glass powder has a single molten-state temperature range, holes are produced in the ceramic layer due to gasification of the glass powder at a high temperature, the structural compactness is reduced, and the ceramic layer is easily bur
Resumen de: US2025132471A1
A battery includes: a layer-type electrode body including a positive electrode sheet and a negative electrode sheet, the positive negative electrode sheets being alternately layered in a layering direction via a separator sheet; a laminate exterior body accommodating the electrode body; a positive electrode tab that projects from the laminate exterior body toward a first direction orthogonal to the layering direction, and that is electrically connected to the positive electrode sheets; a negative electrode tab that projects from the laminate exterior body toward another side in the first direction, and that is electrically connected to the negative electrode sheets; and an electrically insulating layer, wherein: the positive electrode current collector includes a positive electrode lead part, the electrically insulating layer is disposed at a surface of the positive electrode lead part, and the electrically insulating layer includes a binder and an electrically insulating filler.
Resumen de: US2025132460A1
Provided is an ultrahigh-molecular-weight polyethylene powder having intrinsic viscosity IV of 1.0 dL/g or more and 33.0 dL/g or less, wherein average value Ts of swelling onset temperatures determined by specific methods is 90° C. or higher and 130° C. or lower.
Nº publicación: US2025132427A1 24/04/2025
Solicitante:
PRIME PLANET ENERGY & SOLUTIONS INC [JP]
Prime Planet Energy & Solutions, Inc
Resumen de: US2025132427A1
A secondary battery includes a case body, a sealing member closing the case body, an electrode body housed in the case body and constituted of positive and negative electrode bodies stacked with separators interposed therebetween, and positive and negative collector terminals each including a base portion located in end portions of the sealing member and connected thereto via an insulating member, a base adjoining portion adjacent to the base portion, separated from or separably in contact with the insulating member, and a lead portion with a lead upper end portion connected to the base adjoining portion and a lead lower end portion bonded to the electrode body. The base adjoining portion or the lead upper end portion includes an easily-deformable portion that can be deformed without melting with respect to the base portion to allow displacement of the lead lower end portion in the long-side direction of the sealing member.
BOPI
Sede Electrónica
