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1143
resultados
Última actualización
04/09/2025 [07:15:00]
Resultados 875 a 900 de 1143
Resumen de: US2025266556A1
Provided are a battery pack with structural stability of battery modules and improved energy density, and a vehicle comprising the same. The battery pack according to the present disclosure includes at least one battery module and a pack case for receiving the battery module, the battery module including a battery cell stack including at least one battery cell, and a pair of end plates provided in close contact with front and rear sides of the battery cell stack on two sides of a lengthwise direction of the battery cell, and the pack case including a tray in which the battery module is mounted on an upper surface, and a top cover of which an outer periphery is coupled in contact with an outer periphery of the tray on the upper surface of the tray when the battery module is received inside, and wherein the end plates provide a mechanical support to protect the battery cell.
Resumen de: US2025266437A1
An anode active material according to embodiments of the present disclosure includes silicon oxide particles. A ratio of the peak intensity in a region of 500 nm−1 to 530 nm−1 to the peak intensity in a region of 450 nm−1 to 490 nm−1, which are measured in a Raman spectrum of the silicon oxide particles is 3.0 to 4.5, and a crystallite size of a (111) plane of the silicon oxide particles is a crystallite size or more of a (220) plane, which am obtained through X-ray diffraction (XRD) analysis.
Resumen de: US2025266540A1
A rechargeable battery includes: an electrode assembly including first and second electrodes, a separator therebetween, first and second electrode tabs respectively connected to the first and second electrodes; a case accommodating the electrode assembly with the first electrode tab being connected thereto; and a cap assembly sealing an opening in the case. The cap assembly includes: a cap plate coupled to the case and covering the opening; and a terminal plate coupled to the cap plate. The terminal plate includes: a flange portion coupled to the cap plate and electrically insulated from the cap plate; and a tab connection portion protruding toward the electrode assembly from the flange portion, extending into a terminal opening in the cap plate, and being connected to the second electrode tab. An inner surface of the tab connection portion has a height difference with an inner surface of the cap plate.
Resumen de: US2025266461A1
An object of the present disclosure is to provide an electrode mixture that can improve battery capacity, and a battery comprising the electrode mixture. The electrode mixture of the disclosure comprises hard carbon. The electrode mixture of the disclosure comprises a metal oxide. The metal element constituting the metal oxide is a period 4 d-block element, and the ratio of the mass of the metal oxide with respect to the total mass of the hard carbon and metal oxide is less than 10 mass %. The battery of the disclosure comprises a negative electrode collector layer, negative electrode active material layer, electrolyte layer, positive electrode active material layer and positive electrode collector layer in that order, and either the negative electrode active material layer or the positive electrode active material layer comprises an electrode mixture of the disclosure.
Resumen de: US2025266487A1
An apparatus for making a coil comprises a feed unit configured to feed at least one strip-shaped article and a winding unit. The feed unit comprises a coupling device configured to couple said strips in said strip-shaped article. The winding unit includes at least one winding head. Each winding head is configured to wind said strip-shaped article so as to make said coil during a displacement, carried out by said movement device, of the winding head along an operative segment of the working path. The coupling device is configured such as to couple said strips in said strip-shaped article during a respective displacement along an operative path between a first position and a second position, which are distinct from each other.
Resumen de: WO2025173740A1
Provided is a fire-spread prevention sheet capable of preventing the spread of fire in products such as a product comprising a lithium-ion battery. This fire-spread prevention sheet comprises: an inorganic fiber-molded body having a softening point temperature of 1000°C or more and a thermal conductivity of 0.5 W/m･K or less at 1000°C; and an inorganic fiber woven fabric covering the entirety of the inorganic fiber-molded body. The inorganic fiber woven fabric preferably comprise glass fibers, and the basis weight thereof is preferably 100 g/m2 or more.
Resumen de: WO2025173026A1
Embodiments of the present disclosure generally relate to battery management systems, and more particularly relate to a battery regeneration system for optimizing de-sulfation of a lead- acid type storage battery and method thereof The battery regeneration system (100) includes sensors (102), a processor (108), and a memory unit (110). The sensors determine battery parameters during charging and discharging cycles. The processor analyzes the parameters to assess sulphation severity and conductive medium levels in lead-acid battery (104). Using AI- based techniques, processor selects very high-frequency cross-pulsing technique for de- sulfation. The system generates pulse sequence data with adjustable frequency and amplitude, transmitting it to control unit (114) for de-sulfation. Periodically, pulse frequency and amplitude are adjusted within predefined ranges. The control unit receives and applies modified data to lead-acid battery, charging battery to its original condition after de-sulfation. The system also communicates conductive medium level to Battery Monitoring System (BMS) (118).
Resumen de: WO2025173027A1
A method for synthesizing a high energy density cathode material for lithium-ion batteries are disclosed. The method includes obtaining a solution comprising a ferrous salt, a manganese salt, and a source of carboxylic acid in de-ionized water. Thereafter, a source of phosphate and a source of lithium are added to form a precursor solution. Thereafter, source of glycol is added to the precursor solution. Once the source of glycol is added, a hydrothermal synthesis process of the precursor solution is performed at a predetermined temperature for a predetermined period to crystallize plurality of LMFP primary particles into secondary particles. The secondary particles possess a spherical morphology, contributing to a high tap density and high energy density of the cathode material.
Resumen de: WO2025173754A1
The present invention pertains to a battery that includes a positive electrode, a negative electrode, and an electrolyte solution, wherein: the negative electrode contains a metal material that serves as an active material and carbon nanotubes; the electrolyte solution contains an electrolyte, a nonaqueous solvent, and a specific compound; and the specific compound includes, for example, a compound (A) that is represented by general formula (A), and the like. (In the general formula (A), MA m+ is an m-valent cation, RA1 is a fluorine atom or an alkoxy group, and Am is an integer of 1 to 2.)
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: 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.
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.
Resumen de: US2025266531A1
Disclosed are battery cells and battery modules including a battery cell. The battery cells and battery modules are capable of releasing a high-temperature/high-pressure gas if thermal runaway occurs in a battery cell so as to protect other battery cells. The battery module includes a battery cell including a safety vent on a top surface thereof, a case configured to accommodate the battery cell, and an insulating cover disposed on a top surface of the battery cell and including a section disposed on the safety vent, wherein the section includes a notch.
Resumen de: US2025266453A1
This negative electrode material for a lithium ion secondary battery may include a composite particle, a silicon carbide layer, and a coating layer. The composite particle may include amorphous carbonaceous particles and amorphous silicon particles having an average primary particle size of 1 nm or more and 50 nm or less. The silicon carbide layer may be located between the composite particle and the coating layer. A film thickness of the silicon carbide layer may be 1 nm or more and 100 nm or less. The coating layer may include a compound of magnesium or fluorine.
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: WO2025175170A1
Non-invasive battery storage capacity recovery is achieved by performing induction heating of an assembled battery cell 100 positioned within a central region of a coil electrical conductor 102. The induction heating is performed applying an alternating current through the coil electrical conductor to generate an alternating magnetic field 104 within the assembled battery cell 100 to induce eddy currents 106 within the assembled battery cell. The alternating current has a frequency from 50 Hz to 30 MHz, and the alternating magnetic field has a mean magnetic field strength from 5 mT to 100 mT.
Resumen de: WO2025175097A1
A microgrid system may include a portable enclosure containing at least one energy storage device, at least one inverter, a switchgear, at least one processor, and at least one non-transitory computer readable storage medium storing instructions thereon that cause the microgrid system to measure, a frequency or a voltage to generate first frequency data or first voltage data, provide, via a graphical user interface of the microgrid system, the first frequency data and the first voltage data to an operator of the microgrid system, receive one or more of a center point voltage parameter, a center point frequency parameter, and a power discharge bias parameter, and while maintaining active operation of the at least one inverter, update operating parameters of the at least one inverter responsive to the received one or more of the center point voltage parameter, the center point frequency parameter, and the power discharge bias parameter.
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.
Nº publicación: US2025262978A1 21/08/2025
Solicitante:
FORD GLOBAL TECH LLC [US]
Ford Global Technologies, LLC
Resumen de: US2025262978A1
A system, such as an electrified vehicle, includes a battery, such as a traction battery. The battery includes cells each having a state. The system further includes a controller that controls the charging and discharging of the battery according to a state of the battery derived at least in part from (i) the state of a first cell and (ii) a difference of the state of a second cell with the state of the first cell.
BOPI
Sede Electrónica
