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1108
resultados
Última actualización
24/08/2025 [07:19:00]
Resultados 200 a 225 de 1108
Resumen de: US2025266421A1
An apparatus for manufacturing a secondary battery includes: a coating unit configured to coat a mixture of materials on a substrate of an electrode plate for an electrode assembly of a secondary battery; and a roll-pressing unit configured to roll-press the substrate on which the mixture of materials has been coated. The coating unit is configured to produce a half-coated electrode plate by coating the mixture of materials on only a single surface of the substrate, and the roll-pressing unit is configured to roll-press the half-coated electrode plate by using a first roller facing a coated surface of the half-coated electrode plate and a second roller facing an uncoated surface of the half-coated electrode plate. The first roller and the second roller have at least one different characteristic from each other.
Resumen de: US2025266419A1
A roll map coordinate correction system simulating an electrode moving in a roll-to-roll state between an unwinder and a rewinder includes a position expressed as a coordinate in a length direction of the simulated electrode, an encoder configured to derive the position of the electrode according to rotation amounts of the unwinder and the rewinder, and a seam detection sensor configured to detect a seam connection member and acquire a coordinate of the seam connection member in conjunction with the encoder. The system includes a reference point detector configured to detect a plurality of reference points marked on the electrode and acquire coordinates of the reference points in conjunction with the encoder, and a roll map coordinate corrector wherein, the roll map coordinate corrector determines a roll map correction direction by comparing encoder values, calculates an electrode breakage length by comparing coordinates and corrects the coordinates of the roll map.
Resumen de: US2025266449A1
A Composition of matter defined by the general formula of M1M2M3M4X3 wherein: X is carbon; and M1, M2, M3, and M4 each represent a different transition metal selected from the group consisting of Ti, Ta, Sc, Cr, Zr, Hf, Mo, V, and Nb.
Resumen de: US2025266434A1
An anode active material according to embodiments of the present disclosure includes a silicon-based active material including core particles and a carbon coating which covers a surface of the core particles. An onset temperature of the silicon-based active material measured through a thermogravimetric analysis method is greater than 350° C. and less than 390° C., and a ratio of a change value of a weight loss rate to a change value of a temperature of the silicon-based active material measured through a differential thermogravimetric analysis method is 0.000050 to 0.000150.
Resumen de: US2025263196A1
The disclosure provides a battery pack frame, a frame set, and a new energy heavy truck. The battery pack frame includes a frame body formed by connecting a plurality of frame beams end to end. The battery pack frame includes a plurality of adapter assemblies for pre-mounting two adjacent frame beams. At least one adapter assembly is arranged between any the two adjacent frame beams, and each adapter assembly includes a threaded connection assembly and an inserting limiting assembly, the inserting limiting assembly being configured to limit relative positions of the two adjacent frame beams, the threaded connection assembly being configured to pre-connect the two adjacent frame beams, and the two adjacent frame beams being pre-mounted through the each adapter assembly and then welded. By using the solution, the tangential force that the two adjacent frame beams may withstand after being connected is improved.
Resumen de: US2025263304A1
In accordance with the purpose(s) of the present disclosure, as embodied and broadly described herein, the disclosure, in one aspect, relates to the efficient and rapid synthesis of high-performance sodium ion electrolytes. The electrolytes have the general formula Nau+yNw−yMyLazCl3−zVv. The electrolytes possess superionic conductivity and display a low electronic conductivity, which ensures negligible electron transport contribution to the measured total conductivity and thereby enhancing safety when applied in energy storage devices. The synthesis of the electrolytes is significantly faster when compared to the synthesis of lithium electrolytes and the process can be scalable to produce large amounts of electrolytes.
Resumen de: US2025263297A1
The present disclosure relates to a process for preparing a lithium salt of bis(fluorosulfonyl)imide (LiFSI) in solid form, wherein the LiFSI salt in solid form is extracted from a solution comprising at least one solvent through supercritical anti-solvent extraction. The present invention also relates to the LiFSI in solid form obtained therefrom, as well as the use of such LiFSI in an electrolyte for batteries.
Resumen de: US2025263301A1
The present application relates to a negative electrode active material, its preparation method, a negative electrode plate, a lithium-ion battery, and an electrical apparatus. The lithium-ion battery comprises one or more battery cells, each containing a negative electrode plate. The negative electrode plate includes a negative electrode current collector and a negative electrode film layer on at least one surface. The film layer comprises a negative electrode active material, which comprises an inner core and a coating layer. The inner core is graphite, while the coating layer contains hard carbon. In a cumulative distribution curve of R values under a laser microscopic confocal Raman spectrometer, the R50 value (50% cumulative distribution) ranges from 0.15 to 0.40. This negative electrode active material enhances the battery's energy density, kinetic performance, and cycling performance, making it highly efficient for lithium-ion battery applications.
Resumen de: US2025262831A1
The present invention relates to an electrode rolling apparatus for applying pressure to a non-coated portion of an electrode.
Resumen de: WO2025175045A1
This disclosure provides systems, methods, and apparatus related to lithium phosphorus sulfur halide/polymer composite electrolytes. In one aspect, a method includes ball milling a lithium phosphorus sulfur halide (Li6PS5X), with X being one or more halides. The Li6PS5X has an argyrodite-type crystal structure. The Li6PS5X is mixed with a polymer and a solvent. The solvent is evaporated to form an electrolyte. The electrolyte is cured.
Resumen de: WO2025174631A1
A fluid distribution manifold for a vehicle cooling system includes a housing that includes a primary passageway that extends between a primary inlet and a primary outlet configured to be in fluid communication with a main cooling loop, the housing has multiple secondary passageways each fluidly connected to the primary passageway at a secondary inlet, the multiple secondary passageways each have a secondary outlet that is configured to be in fluid communication with a zone cooling loop, multiple valves that are supported by the housing, each of the secondary passageways have one of the multiple valves arranged fluidly between the secondary inlet and the secondary outlet to regulate fluid flow through its respective secondary passageway, and a least one temperature sensor or pressure sensor in fluid communication with the primary passageway.
Resumen de: WO2025174412A1
A PCM heat exchanger for an electric vehicle battery is disclosed. The system comprises an enclosure. The system comprises a coolant flow system disposed in the enclosure, the coolant flow system comprising a coolant input, a plurality of coolant channels and a coolant output. The system comprises a coolant, wherein the coolant is configured t flow from the coolant input and through the plurality of coolant channels and exit from the coolant output. The system comprises a phase change material disposed in the enclosure wherein the phase change material is positioned at least partially between the coolant flow system and the electric vehicle battery.
Resumen de: WO2025174197A1
The present disclosure provides: an additive material to be added to a sulfide-containing solid-state electrolyte material for use in a solid-state battery; a solid-state battery using such an additive material in a solid-state electrolyte material; and a method for manufacturing such a solid battery. Due to the additive material provided in the present application, the solid-state battery using such an additive material can operate under relatively low pressure as compared to a solid-state battery without such an additive material.
Resumen de: US2025266521A1
A battery unit includes: a connecting portion electrically connectable to an electrical apparatus in which the battery unit is mounted; a cell that allows supply of electric power to the electrical apparatus; a relay that switches between a conductive state in which a power supply line between the connecting portion and the cell is electrically connected and an interrupt state in which the power supply line is electrically interrupted; a first notification device that operates, when being supplied with electric power, to allow an operating state to be recognized from outside; and a first supply source that supplies electric power to the first notification device when the first supply source is connected to the first notification device and the relay is in the conductive state.
Resumen de: US2025266535A1
A casing (100, 201, 202, 300) containing at least one electrode jelly roll assembly, wherein the casing comprises a folded sheet (110, 210, 310), defining a first open end portion (113) and a second open end portion (114) arranged on opposite sides of the casing. The folded sheet comprises a first sheet edge (111, 211) and a second sheet edge (112, 212) wherein the first sheet edge and the second sheet edge extend from the first open end portion to the second open end portion. The casing further comprises a joining plate (120, 220, 320) arranged to join at least a part of the first sheet edge and the second sheet edge, such that the folded sheet and the joining plate form a closed profile of the casing. Moreover, the casing comprises an interlocking structure (250) configured to secure the joining plate and the folded sheet.
Resumen de: US2025266572A1
High performance flexible lithium-sulfur flexible energy storage devices include a flexible lithium metal anode for an energy storage device comprising an electrically conducting fabric functionalised with a 3D hierarchical MnO2 nanosheet lithiophilic material; a flexible graphene/sulfur cathode protected by a FBN/G interlayer; and a flexible separator for an energy storage device, wherein the separator comprises one or more microporous films of Li ion selective permeable polyolefin material wherein at least a portion of the pores of the film are associated with nanoporous polysulfone polymer positioned between the anode and the cathode.
Resumen de: US2025266452A1
Provided is a negative electrode for a lithium secondary battery, comprising a negative electrode active material and a fibrous binder. The negative electrode active material has an ID/IG value of about 0.18 or more and less than about 0.7 as a result of Raman spectroscopy analysis. The active material may be carbon-based and exhibit specific characteristics according to X-ray diffraction (XRD) analysis. The fibrous binder may be polytetrafluoroethylene (PTFE). Additionally, a method of manufacturing the negative electrode involves preparing a mixture of the active material and a binder precursor, then fiberizing the binder precursor by applying shear stress. The negative electrode may also include a conductive material. The disclosure further includes a lithium secondary battery comprising this negative electrode.
Resumen de: US2025266432A1
A negative electrode of a rechargeable battery includes a substrate, a front active material layer including a first lower layer formed a first surface of the substrate and a first upper layer formed on the first lower layer, and a rear active material layer including a second lower layer formed on a second surface of the substrate and a second upper layer formed on the second lower layer. The edges of the first lower layer and the second lower layer decrease in thickness toward ends of the first and second lower layers to thereby form a first inclined surface and a second inclined surface. The thickness of the end of the first lower layer is more than twice a thickness of the end of the second lower layer.
Resumen de: US2025266431A1
Disclosed is a cathode active material for a lithium secondary battery, including a first carbon coating layer formed on the surface of a core component containing lithium and configured to cover the core component and prevent dissolution of metal elements contained in the core component, and a second carbon coating layer formed on the surface of the first carbon coating layer and configured to have a lower carbon density and higher ionic conductivity than the first carbon coating layer.
Resumen de: US2025266429A1
A cathode active material includes a first active material and a second active material. The first active material includes an active material having an olivine structure, the second active material includes a lithium-rich oxide, and a weight of the first active material included in the cathode active material is greater than or equal to a weight of the second active material included in the cathode active material. Thereby, a cathode active material having improved overvoltage characteristics may be provided.
Resumen de: US2025266418A1
Provided is a manufacturing method of a battery including a collector foil, an electrode layer, a separator, an electrode layer, and a collector foil in this order, the manufacturing method including a step A of forming the electrode layer on the collector foil using an electrode material, a step B of forming the electrode layer on the separator using an electrode material, and a step C of placing the collector foil on the electrode layer, in which both electrode materials contain an electrode active material, a conductive auxiliary agent, and an electrolytic solution, and have a concentration of solid components of 30% by volume to 80% by volume.
Resumen de: US2025266425A1
A composite anode layer including a binder for an all-solid-state battery with excellent adhesion properties, an all-solid-state battery including the same, and a method of manufacturing a composite anode including the composite anode layer, in which a binder that is soluble in a nonpolar or low polarity solvent can be employed in an anode layer, thus making it possible to manufacture a composite anode for an all-solid-state battery that exhibits high adhesion properties even when the amount of the binder is low and has improved lifespan characteristics.
Resumen de: US2025262986A1
A fuel cell electric vehicle (FCEV) includes an electric traction motor configured to drive the FCEV and generate power through regenerative braking, a high voltage (HV) battery system including a HV bus and a HV battery configured to power the electric traction motor, and a fuel cell stack (FCS) configured to generate electricity to recharge the HV battery and/or power the electric traction motor. A powertrain control system for preventing over-voltage of the HV bus and HV battery includes a controller having one or more processors configured to control (i) a fuel cell power limit of the FCS, and (ii) a regenerative braking power limit of the electric traction motor. The controller is programmed to measure a voltage of the HV battery system, and selectively limit the fuel cell power limit and/or the regenerative braking power limit when the measure voltage exceeds a predetermined threshold.
Resumen de: US2025262927A1
Aspects of the subject disclosure relate to an enclosure for one or more electrical components for a battery pack. The enclosure may be configured to mechanically and electrically couple to an energy volume of the battery pack. The enclosure may include an access panel. The access panel may be formed from a solid insulating structure configured to at least partially cover the one or more electrical components, and a conductive layer on a surface of the solid insulating structure. The enclosure may be a modular enclosure that can be used to provide electrical connection to any of various energy volumes including batteries or battery cells of any of various cell chemistries.
Nº publicación: US2025262985A1 21/08/2025
Solicitante:
DAIMLER TRUCK NORTH AMERICA LLC [US]
Daimler Truck North America LLC
Resumen de: US2025262985A1
Thermal regulation systems, apparatus, and methods for regulating the temperature of a battery and/or other components of an electrically-powered system. The thermal control system can include a passive valve in communication with to two or more fluid pathways, a first pump, and a second pump. In some examples, a position of a shuttle within a housing of the passive valve can be controlled based on a ratio of a first pressure generated by the first pump to a second pressure generated by the second pump. In some examples, a position of a shuttle within a housing of the passive valve can be controlled based activating one of the first pump or the second pump while the other pump is inactive.
BOPI
Sede Electrónica
