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1356
resultados
Última actualización
12/08/2025 [07:12:00]
Resultados 725 a 750 de 1356
Resumen de: US2025246665A1
A battery manufacturing method according to an embodiment includes a first operation of acquiring pattern indicator data and measurement data and/or inspection data for an electrode sheet having patterns in which coated portions and uncoated portion are repeatedly arranged, and the pattern indicator data includes representing positions of the patterns at the electrode sheet; a second operation of associating the measurement data and/or inspection data with the pattern indicator data; and a third operation of generating inter-process monitoring data by matching the pattern indicator data for each process of a plurality of processes so as to correspond to a same physical position of the electrode sheet.
Resumen de: US2025246676A1
A method is provided for forming a lithium aluminium oxide phosphate (LAPO) solid electrolyte film. The comprises: depositing an aqueous precursor solution onto a substrate to form a deposited film; and annealing the deposited film to form the LAPO solid electrolyte film. The precursor solution contains lithium and aluminium in a molar ratio of at least 2.6:1.
Resumen de: US2025246782A1
A battery pack may include a plurality of battery cells arranged in an array and a plurality of bus bars. Each bus bar of the plurality of bus bars may be configured to electrically couple a pair of battery cells in series by attaching to a positive terminal of a first battery cell and a negative terminal of a second battery cell. Each bus bar of the plurality of bus bars may include at least one bypass structure configured to be electrically coupled to a bypass wire. When the bypass wire is electrically coupled to a pair of bus bars, the bypass wire enables at least one battery cell of the plurality of battery cells to be bypassed.
Resumen de: US2025246740A1
An energy storage cabinet comprises a housing, an energy storage module, and a battery management device. An accommodating space is defined in the housing, and the energy storage module is arranged in the accommodating space. The battery management device is arranged in the accommodating space, the battery management device is used for managing the energy storage module, and the battery management device comprises a supporting frame and a plurality of electrical elements. The supporting frame is arranged with an open side, and the plurality of electrical elements are mounted on the open side.
Resumen de: US2025246672A1
This application relates to the technical field of lithium-ion batteries, in particular to a lithium-ion battery electrolyte solution, a secondary battery, a battery module, a battery pack, and an electrical device. The lithium-ion battery electrolyte solution includes a lithium salt, an organic solvent and an additive. The additive includes acompound represented by Formula I: where R1 to R4 are each independently selected from a hydrogen atom, a halogen atom, a nitrate ester group, a nitrite ester group, a substituted or unsubstituted C1 to C12 alkyl, and a substituted or unsubstituted C1 to C12 alkoxy, provided that at least one of R1 to R4 is a nitrate ester group. This application solves the problems of poor solubility of existing additives and low conductivity of a formed solid electrolyte interphase (SEI).
Resumen de: US2025246735A1
A vehicle substructure includes: a battery cell; a housing case having an opening and accommodating the battery cell; a cover attached to the housing case in a state of covering the opening; a junction box, provided on top of the cover, for controlling the battery cell; a supply pipe for supplying a refrigerant for cooling the junction box and the battery cell; a first member covering the supply pipe, a second member for blocking an opposing surface where the supply pipe and the junction box face each other; and a third member for blocking an opposing surface where the supply pipe and the battery cell face each other.
Resumen de: US2025246610A1
This application provides a battery cell, a stacked-type battery, and an electrical device. The battery cell includes at least one electrode assembly. The electrode assembly includes a positive electrode plate and a negative electrode plate. The negative electrode plate includes a first negative electrode plate and a second negative electrode plate. A capacity per unit volume of the first negative electrode plate is greater than a capacity per unit volume of the second negative electrode plate. At least one positive electrode plate is disposed between two adjacent first negative electrode plates, and at least one second negative electrode plate is disposed between the two adjacent first negative electrode plates. The above technical solution alleviates disadvantages caused by expansion of the electrode plate, improves longevity of the battery, and improves an energy density and storage performance of the battery.
Resumen de: US2025246605A1
A cathode lithium-supplementing additive, a preparation method for the cathode lithium-supplementing additive and an application of the cathode lithium-supplementing additive. The cathode lithium-supplementing additive includes a lithium-containing core and an encapsulation layer covering a surface of the lithium-containing core. The encapsulation layer has pores and/or cracks and a sealing agent distributed at least at the pores and/or cracks for blocking the pores and/or cracks, where a material of the sealing agent includes an organic hydrophobic material. The sealing agent provided includes the organic hydrophobic material that can be embedded in the pores of the encapsulation material to further fill gaps in the sealing material, thus, a dense film layer is formed.
Resumen de: US2025246599A1
Examples of this disclosure include a negative electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the same. The negative electrode for the rechargeable lithium battery includes a current collector, a negative active material layer, and a binder layer between the current collector and the negative active material layer, wherein the negative active material layer has a surface roughness of about 2 μm to about 8 μm.
Resumen de: US2025246602A1
A positive electrode active material includes a first positive electrode active material including a layered lithium nickel-manganese-based composite oxide, the first positive electrode active material being in a form of single particles. The positive electrode active material also includes a second positive electrode active material including a lithium-manganese-rich composite oxide in which a molar ratio of lithium to a total metal content of the lithium-manganese-rich composite excluding lithium is about 1.1 to about 3 and a manganese content based on 100 mol % of the total metal content of the lithium-manganese-rich composite excluding lithium is greater than or equal to about 60 mol %, and the second positive electrode active material being in a form of single particles. The positive electrode active material according to some embodiments maximizes capacity while minimizing production cost, ensures long cycle-life, and improves high-voltage characteristics and high-temperature storage characteristics. A rechargeable lithium battery using the positive electrode active material can exhibit high initial charge and discharge capacity and efficiency even under high-voltage operating conditions and can realize high energy density and long cycle-life characteristics due to high pellet density.
Resumen de: DE102024137167A1
Eine Energiespeichervorrichtung (100) umfasst: ein Energiespeichermodul (10), das eine Energiespeicherzelle (11) und einen Elektrodenanschluss (12) umfasst, der auf der Energiespeicherzelle (11) angeordnet ist; und einen Kühler (30), der die Energiespeicherzelle (11) kühlt. Der Elektrodenanschluss (12) ist an einer Endfläche (11a, 11b) der Energiespeicherzelle (11) in einer Y-Richtung angeordnet, die eine Z-Richtung schneidet. Der Kühler (30) umfasst einen oberen Abschnitt (31), der über dem Energiespeichermodul (10) angeordnet ist. Ferner umfasst der Kühler (30) einen vorstehenden Abschnitt (32), der von dem oberen Abschnitt (31) in Y-Richtung in einer Richtung vorsteht, in der der vorstehende Abschnitt (32) weiter von der Energiespeicherzelle (11) beabstandet ist als der Elektrodenanschluss (12).
Resumen de: DE102025102677A1
Eine Traktionsbatteriepackbaugruppe beinhaltet ein Gehäuse, einen Zellenstapel innerhalb eines Innenraums des Gehäuses. Der Zellenstapel beinhaltet eine Vielzahl von Batteriezellen, die entlang einer Zellenstapelachse angeordnet ist. Jede der Batteriezellen weist eine Entlüftungsöffnung auf. Eine Vielzahl von Abstandshaltern stützt den Zellenstapel innerhalb des Gehäuses ab. Die Vielzahl von Abstandshaltern ist dazu konfiguriert, ein Flüssigkühlmittel eines Immersionswärmeregelungssystems innerhalb des Innenraums zu leiten. Die Vielzahl von Abstandshaltern ist entlang der Zellenstapelachse an Positionen angeordnet, die axial zu den Entlüftungsöffnungen verschoben sind.
Resumen de: DE102024200656A1
Verfahren zum Betreiben eines Batterie-Energiespeichersystems, wobei das Batterie-Energiespeichersystem aus mehreren Batteriemodulen ausgebildet wird, wobei in einer ersten Betriebsphase das Batterie-Energiespeichersystem dazu verwendet wird, Energie abzugeben und nach einer Energieabgabe wieder geladen zu werden, wobei die erste Betriebsphase beendet wird, sobald ein EoL-Kriterium erreicht ist, wobei das Batterie-Energiespeichersystem nach der ersten Betriebsphase eine Restenergie aufweist, wobei in einer zweiten Betriebsphase die in dem Batterie-Energiespeichersystem vorhandene Restenergie dazu verwendet wird, Energie abzugeben, wobei die Energieabgabe wie in der ersten Betriebsphase erfolgt.
Resumen de: DE102024102457A1
Die Erfindung betrifft ein Kühlsystem (10), insbesondere ein Hochvolt-Batterie-Kühlsystem für ein Nutzfahrzeug, das eine Batterieeinheit (5'), ein OnBoard-Ladegerät (14) zum Laden der Batterieeinheit (5') mit extern zugeführter elektrischer Energie und eine durch die elektrische Energie der Batterieeinheit (5') angetriebene elektrische Antriebseinheit (5) umfasst, wobei das Kühlsystem einen primären Kühlkreislauf (2) eines Kühlmittels zum Kühlen der elektrischen Antriebseinheit (5) und des OnBoard-Ladegeräts (14) und einen sekundären Kühlkreislauf (4) des Kühlmittels zum Kühlen der Batterieeinheit (5') aufweist, wobei der primäre Kühlkreislauf (2) eine erste Kreislaufpumpenanordnung (7), einen Wärmeübertrager (17) und einen Lüfter (18) umfasst, wobei der sekundäre Kühlkreislauf (4) eine zweite Kreislaufpumpenanordnung (7'), wenigstens einen Wärmeübertrager (16) und eine Kälteanlage (19) umfasst. Erfindungsgemäß ist vorgesehen, dass das Kühlsystem mehrere schaltbare Mehrwegeventile (21, 22, 23, 24) zum Regulieren des Kühlmitteldurchflusses in den Kühlkreisläufen (2, 4) umfasst, wobei die Kühlkreisläufe (2, 4) über die Mehrwegeventile (21, 22, 23, 24) derart miteinander verbindbar oder voneinander trennbar sind, dass sie zur Kühlung der elektrischen Antriebseinheit (5) und der Batterieeinheit (5') wahlweise unabhängig voneinander und isoliert oder kombiniert in Verbindung betrieben werden können.
Resumen de: US2025243081A1
A manganese iron oxide and a preparation method thereof, and a preparation method for lithium manganese iron phosphate cathode materials are provided. The preparation method for the manganese iron oxide includes the following steps: Configuring a mixed salt solution containing the first complexing agent, antioxidant, manganese salt, and iron salt; mixing the mixed salt solution, the second complexing agent, oxidant and deionized water to undergo a complexation-oxidation-precipitation reaction, filtering, washing, and drying a precipitate obtained after the reaction to obtain a manganese iron oxide. The preparation methods for the manganese iron oxide and lithium manganese iron phosphate cathode materials are simple, the physical and chemical indexes of the product are controllable, the raw materials are easy to obtain, the cost is low, the reaction conditions are mild, the corrosion resistance requirements of the equipment are not high, the technical difficulty is low, and it is easy to scale production.
Resumen de: US2025243107A1
The present invention relates to a glass ceramic including: lithium (Li); an element M; phosphorus (P); oxygen (O); and at least one element selected from boron (B) and silicon (Si), in which the element M includes at least one element selected from the group composed of zirconium (Zr), hafnium (Hf), tin (Sn), samarium (Sm), niobium (Nb), tantalum (Ta), tungsten (W), and molybdenum (Mo), and in an X-ray diffraction pattern of the glass ceramic, a maximum peak occurring in a range of 2θ=20° to 30° is derived from a monoclinic crystal structure, and a half width of the maximum peak is 0.10° or more.
Resumen de: US2025243067A1
Carbon nanotubes satisfy Equation 1: −0.004*A+0.0385≤R≤−0.004*A+0.0425, wherein R is the powder resistance of the carbon nanotubes (Ω·cm), A is ln{(purity of carbon nanotube (weight %)*specific surface area (m2/g))/bulk density (kg/m3)}, wherein the specific surface area of the carbon nanotube is 320 m2/g or more, and the bulk density of the carbon nanotube is 30 kg/m3 or less. The carbon nanotubes of the present invention have both excellent dispersibility and electrical conductivity when applied as a dispersion, and thus, are particularly suitable for use as a conductive material in secondary batteries.
Resumen de: US2025243072A1
Stabilized porous silicon particles are disclosed. The particles include a porous silicon particle comprising a plurality of interconnected silicon nanoparticles and (i) a heterogeneous layer comprising a discontinuous SiC coating that is discontinuous across a portion of pore surfaces and across a portion of an outer surface of the porous silicon particle, and a 10 continuous carbon coating that covers outer surfaces of the discontinuous SiC coating, and remaining portions of the pore surfaces and the outer surface of the porous silicon particle, or (ii) a continuous carbon coating on surfaces of the porous silicon particle, including the outer surface and pore surfaces. Methods of making the stabilized porous silicon particles also are disclosed.
Resumen de: US2025243064A1
In one aspect, a lithium manganese iron phosphate material includes a core, and a material of the core is represented by a general formula of LixMgyMnzFeaAlbPO4, where x is ranged from 1.008 to 1.05, y is ranged from 0 to 0.006, z is ranged from 0.4 to 0.6, a is ranged from 0.388 to 0.6, and b is ranged from 0 to 0.012.
Resumen de: US2025246785A1
An electrode assembly includes a first electrode, a separator, and a second electrode sequentially stacked. The first electrode includes a current collector and a first active material layer and a second active material layer each provided on first and second surfaces of the current collector. One end portion of the first electrode includes a single-sided coated portion where the first active material layer is provided on the first surface of the current collector and the second active material layer is not provided on the second surface. The electrode assembly includes a swelling tape covering a boundary between the first active material layer of the single-sided coated portion and the uncoated portion.
Resumen de: US2025246786A1
An electrode assembly of a rechargeable battery includes a positive electrode plate, a negative electrode plate, and a separator positioned between the electrode plates. Each of the electrode plates includes an electrode substrate, a first active material layer formed on a first surface of the electrode substrate, a second active material layer formed on a second surface of the electrode substrate, a first lamination tape attached to an end portion of the first active material layer, and a second lamination tape attached to an end portion of the second active material layer. The first lamination tape and the second lamination tape each include a protruding portion that protrudes beyond an end of the electrode substrate.
Resumen de: US2025246671A1
A tray that is used in a manufacturing process of a secondary battery and accommodates a plurality of battery cells arranged in an arrangement direction. The tray includes a guide shaft portion extending in the arrangement direction, a plurality of partition plates guided by the guide shaft portion and configured to be moved along the arrangement direction, a pressing mechanism guided by the guide shaft portion and configured to be moved along the arrangement direction, and a collar that is coaxial with the guide shaft portion and disposed between two partition plates adjacent to each other among the plurality of partition plates.
Resumen de: US2025246673A1
A liquid additive for an all-solid-state battery capable of operating under conditions of room temperature and low pressure, and an all-solid-state battery including the same. Specifically, by adding a liquid additive having low reactivity with a solid electrolyte and high lithium ion conductivity to an anode layer, a cathode layer, or a solid electrolyte layer, ionic conductivity and current density robustness of the all-solid-state battery can be improved under conditions of room temperature and low pressure.
Resumen de: US2025246668A1
In some aspects, an electrochemical apparatus can include an anode current collector, a first anode material disposed on a first side of the anode current collector, and a second anode material disposed on a second side of the anode current collector, the second side opposite the first side. The apparatus further includes a cathode current collector with a first cathode material disposed on a first section of the cathode current collector and a second cathode material disposed on a second section of the cathode current collector. The apparatus further includes a separator folded such that a first portion of the separator is interposed between the first anode material and the first cathode material and a second portion of the separator is interposed between the second anode material and the second cathode material.
Nº publicación: US2025246604A1 31/07/2025
Solicitante:
CPC CORP TAIWAN [TW]
CPC CORPORATION, TAIWAN
Resumen de: US2025246604A1
A method for manufacturing negative electrode material particles includes the steps of: mixing silicon oxide granules with a powder of a pitch without using any liquid organic solvents, so as to obtain a mixture; and heating the mixture at a heating rate ranging from 0.65° C./min to 1.25° C./min to a carbonization temperature of not lower than 600° C. for not less than 5 hours, so that the thus melted pitch is carbonized and forms a carbon film on a surface of each of the silicon oxide granules, thereby obtaining the negative electrode material particles. Each of the negative electrode material particles has a mean particle size ranging from 2 μm to 11 μm.
BOPI
Sede Electrónica
