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1601
resultados
Última actualización
20/03/2026 [07:15:00]
Resultados 350 a 375 de 1601
Resumen de: US20260071831A1
A cooling floor member (100) is a cooling floor member (100) for cooling a battery cell, including a metal underfloor material (101), a flat plate-like metal floorboard (102) which is arranged face to the metal underfloor material (101), and which has a surface opposite to the metal underfloor material (101) that comes into contact with the battery cell, a partition member (105) inserted between the metal underfloor material (101) and the flat plate-like metal floorboard (102) without being joined thereto, and a joint (130) in which the outer peripheral edge of the metal underfloor material (101) and the outer peripheral edge of the flat plate-like metal floorboard (102) are directly and continuously joined, wherein a region surrounded by the metal underfloor material (101), the flat plate-like metal floorboard (102), and the partition member (105) is a cooling liquid flow path (104) through which a cooling liquid flows.
Resumen de: US20260071815A1
Facility and method for drying electrode are disclosed. The electrode drying facility according to an embodiment of this disclosure is transporting and drying an electrode extended in the longitudinal direction and comprises a heating roller unit including a heating roller that forms a roller shape and transports the electrode and heats the electrode, a heater unit heating the electrode drawn from the heating roller unit, an electrode cooling equipment cooling the electrode drawn from the heater unit, wherein the heater unit irradiates a laser beam containing infrared rays to the electrode.
Resumen de: US20260071791A1
Described herein are devices, systems, and methods for the capturing, transferring, and managing of heat energy. Phase change materials are used for their high thermal inertia property and large energy per volume property when operated near their solid-liquid transition point. Additionally, the systems, devices, and methods utilize one or more thermoelectric modules thermally coupled to a first side of the phase change material and one or more thermoelectric modules thermally coupled to a second side of the phase change material, opposite the first side. The use of the thermoelectric modules allows heat energy to be stored in, transferred within, or harvested from, the phase change material the thermoelectric modules couple to.
Resumen de: US20260071331A1
The invention provides a method for preparing a metal powder, in which an ultrasonic vibration is induced on a perforated membrane that is in contact with a liquid metal. The metal is a low-melting-point metal or an alloy based on such a metal and which has a low melting point. The resulting metal powder is deposited directly onto/into a deposition target.
Resumen de: US20260074214A1
A secondary battery with high capacity and a high level of safety is provided. The battery includes a positive electrode including a positive electrode active material and a conductive material. The positive electrode active material contains cobalt, oxygen, magnesium, and nickel. A median diameter of the positive electrode active material is greater than or equal to 1 μm and less than or equal to 12 μm. In EDX line analysis in a depth direction on a region of the positive electrode active material having a plane other than a (001) plane, a distribution of the magnesium partly overlaps with a distribution of the nickel. The conductive material adheres to part of the plane other than the (001) plane of the positive electrode active material.
Resumen de: US20260074205A1
A negative electrode structure for a secondary battery (10) includes: a body (12) that is in a form of a foil or a thin plate and contains zinc as a base material; and a non-electron conductive film (11) provided on at least a first surface of the body (12). The film (11) is stretchable. The film (11) includes: an opening portion (13) formed to expose a portion of a first surface of the body (12); and an electrode reaction inhibiting portion (14) that surrounds the opening portion (13) and inhibits an electrode reaction in the body (12). The film (11) is attached to the body (12) in a liquid-tight manner.
Resumen de: US20260074234A1
Examples of the disclosure include a composite substrate for a rechargeable lithium battery that includes a support layer including a polymer film, and a metal layer disposed on the support layer and including at least one of copper and copper oxide. The metal layer includes a first metal layer on a surface of the support layer and including an adhesion enhancer and a first copper, and a second metal layer on the first metal layer and including a second copper. The adhesion enhancer includes a first moiety chemically bonded to the surface of the support layer and including a hydroxyalkylene group, and a second moiety including an amine group configured to adsorb the first copper.
Resumen de: US20260074209A1
A vanadium oxide composite of the present disclosure includes: a particle including a vanadium oxide; and an electrically conductive material at least partially coating a surface of the particle. A surface coverage of the particle by the electrically conductive material is 30% or more. The vanadium oxide composite has an average particle size of 0.5 μm or more and 5.0 μm or less.
Resumen de: US20260074203A1
A lithium-metal secondary battery, which includes a highly reduction-resistant electrolytic solution, including 2 to 6 mol of electrolyte per L of solvent and also having a lithium deposition dissolution efficiency of 98.5% or more, which lithium deposition dissolution efficiency is the proportion of the amount of redissolution of lithium to the amount thereof deposited on the copper surface, wherein the relative density of a lithium metal layer in a negative electrode is 40 to 85%. In addition, a lithium-metal secondary battery, which includes a highly oxidation-resistant electrolytic solution, including 2 to 6 mol of electrolyte per L of solvent and also having a voltage of 5.5 V or more when the current density is 0.4 mA/cm2 using lithium as a counter electrode and platinum as a working electrode, wherein the relative density of a lithium metal layer in a negative electrode is 70 to 95%.
Resumen de: US20260074530A1
The present disclosure provides a marine starter battery management system and a method for monitoring its low-temperature charging and discharging. The system comprises a battery management unit, a heating circuit, a high-current charge/discharge drive circuit, a passive balancing circuit, a voltage spike suppression circuit, a soft-start circuit, and a processing unit. The processing unit is electrically connected to these components. Based on battery state parameters, the processing unit controls in real-time the operating states and sequences of the heating circuit, the high-current drive circuit, the passive balancing circuit, the voltage spike suppression circuit, and the soft-start circuit. This intelligent, coordinated control of the various functional modules improves the safety, reliability, and performance of the marine starter battery, particularly in demanding low-temperature environments.
Resumen de: US20260074532A1
A programmable battery pack including a switch arrangement module having at least one rechargeable battery with and at least one single pole single throw (SPST) switch, a system power supply having at least one linear regulator and at least one single pole single throw (SPST) switch, at least one controller module having a micro-controller executing a pre-programmed firmware, and an external power supply.
Resumen de: US20260074311A1
The manufacturing method of the nonaqueous electrolyte secondary battery is provided, which includes a construction step for constructing a secondary battery whose volume is equal to or more than at least 500 cm3, an initial electrically charging step for electrically charging the secondary battery until a SOC becomes 20% to 39%, a high temperature aging step for heating up and holding the secondary battery in a high temperature range, a room temperature aging step for cooling down the secondary battery being in the high temperature range and then holding the secondary battery in a room temperature range, and an inspecting resistance step for calculating an internal resistance of the secondary battery while the secondary battery is maintained in the room temperature range.
Resumen de: US20260074554A1
A power generation system, including: a container having an interior volume; a fuel cell compartment, which is a portion of the interior volume that is defined by one or more fuel-cell-partitions in the container; a fuel cell located within the fuel cell compartment; a battery compartment, which is a portion of the interior volume that is defined by one or more battery-partitions; a battery located within the battery compartment; a control compartment, which is a portion of the interior volume that is: separated from the fuel cell compartment by the one or more fuel-cell-partitions; separated from the battery compartment by the one or more battery-partitions; an outflow vent; and a fan configured to reduce the air pressure in the fuel cell compartment such that air is drawn through the battery compartment and the fuel cell compartment and exits the container through the outflow vent.
Resumen de: US20260074534A1
A charging apparatus is provided according to some embodiments. The charging apparatus includes (1) charging circuitry configured to connect to a plurality of battery packs in parallel and (2) processing circuitry configured to control the charging circuitry by: (a) obtaining a voltage reading from each of the plurality of battery packs; (b) initially setting a charging voltage of a charger to a lowest voltage reading obtained from any of the plurality of battery packs; (c) while applying the charging voltage to the plurality of battery packs, obtaining a current reading from each of the plurality of battery packs that is charging; and (d) in response to the obtained current reading from a battery pack being below a minimum threshold current, increasing the charging voltage by a voltage step value. A similar method and computer program product are also provided.
Resumen de: WO2026051453A1
A battery apparatus (100), a vehicle (1000) and an electrical apparatus. The battery apparatus (100) comprises a box body (10), a first cavity (101) being provided in the box body (10); and battery cells (20) accommodated in the first cavity (101), one end of each battery cell (20) in a first direction being connected to the box body (10), and the other end of each battery cell (20) in the first direction being used for supporting the box body (10). Each battery cell (20) comprises a casing (23), an electrode assembly (24), electrode terminals (21) and a first pressure relief structure (22). The electrode terminals (21) and the first pressure relief structure (22) are respectively arranged at two ends of the casing (23) in the first direction. The electrode assembly (24) is arranged in the casing (23), and is connected to the electrode terminals (21). The ends of the battery cells (20) provided with the electrode terminals (21) are used for supporting the box body. The ends of the battery cells (20) having the electrode terminals (21) provide support for the box body (10), so as to improve the bearing capacity of a box cover.
Resumen de: WO2026051457A1
A lithium-ion battery electrolyte and a lithium-ion battery. In order to solve the problem of poor high-temperature performance and normal-temperature cycle performance of a high-voltage NCM system lithium-ion battery, the electrolyte comprises: an organic solvent, a lithium salt, and an additive, wherein the organic solvent comprises a fluorinated carboxylic ester and a carbonate excluding ethylene carbonate, and wherein the additive comprises one or more of an alkynyl carbonate derivative, a dioxane compound, and a cyclic anhydride, and one or more of vinylene carbonate, fluoroethylene carbonate, ethylene sulfate, lithium difluorophosphate, lithium difluoro bis(oxalato) phosphate, and tris(trimethylsilyl) phosphate. The stability of the high-voltage NCM system lithium-ion battery at a high voltage is greatly improved by means of optimizing the combination of a solvent system and an additive, wherein the solvent system has a mixture of a fluorinated carboxylic ester and a carbonate excluding EC, such that the normal-temperature cycle performance, high-temperature cycle performance, high-temperature storage, and other such capabilities of said high-voltage NCM system lithium-ion battery are all improved.
Resumen de: WO2026051406A1
The present invention relates to a hard carbon negative electrode material, a preparation method for a hard carbon negative electrode material, and a sodium-ion battery. The hard carbon negative electrode material has a closed pore volume of 0.01 cm3/g
Resumen de: US20260071294A1
Provided is a method for cost-effectively recovering valuable metals from waste lithium-ion batteries through a pyrometallurgical process. The present invention pertains to a method for recovering valuable metals from waste lithium-ion batteries, the method comprising: an oxidation roasting step S3 in which raw materials including waste lithium-ion batteries are subjected to an oxidation roasting treatment; and a reduction step S4 in which the obtained oxidation roasted product is reduced in the presence of carbon. In the oxidation roasting step S3, calcium carbonate is charged into a furnace together with the raw materials including waste lithium-ion batteries to control the treatment temperature of the oxidation roasting treatment.
Resumen de: US20260071062A1
The invention relates to a polymer comprising or essentially consisting of monomer units derived from 1,3-butadiene, acrylonitrile and optionally, methacrylic acid, wherein the weight content of monomer units derived from 1,3-butadiene is at most 65 wt.-%, relative to the total weight of the polymer. The polymer is useful for manufacturing a cathode for a battery cell. The invention further relates to a cathode of a battery cell comprising the polymer as well as to a composition comprising the polymer and γ-valerolactone.
Resumen de: US20260071028A1
A binder for an energy storage device including a polymer composite formed by compositing a polyimide precursor and/or a polyimide with a cyclic molecule having multiple ether bonds. The polyimide precursor contains a reactant of a tetracarboxylic acid component and a diamine component. The polyimide is obtained by imidizing a part or all of the polyimide precursor.
Resumen de: US20260071020A1
The present invention relates to a copolymer, and a slurry composition, a separator, and a secondary battery that comprise same, wherein the copolymer comprises, based on 100 wt % of the total weight of the copolymer, 15 wt % or less of a vinylacetate monomer unit, 10-55 wt % of an acrylate-based monomer unit, and 1-10 wt % of an acrylic acid-based monomer unit bound with at least one selected from the group consisting of an alkali metal and an acetate salt compound comprising an alkali metal.
Resumen de: US20260071048A1
A lithium-ion battery component with an electrode includes a current collector and a silicon-based active layer. The active layer includes a polyacrylonitrile lattice structure with continuous carbon domains. Silicon particles are distributed within the vacancies of the polyacrylonitrile lattice, which is configured to confine the silicon particles during the volume expansion and contraction that occurs during charge cycling.
Resumen de: US20260070794A1
An electrode material and a preparation method thereof, an electrode plate and a preparation method thereof, a battery, and an electric apparatus. The electrode material includes a substrate and a first inorganic lithium compound layer coated on at least a portion of the surface of the substrate, where the substrate includes a pre-lithiated electrode active material; and the first inorganic lithium compound layer includes at least one of lithium oxide, lithium nitride, lithium carbonate, lithium fluoride, lithium sulfide, or lithium phosphide.
Resumen de: US20260074194A1
Provided are a negative electrode active material which includes negative electrode active material particles which includes a silicon oxide (SiOx, 0
Nº publicación: US20260074233A1 12/03/2026
Solicitante:
BAYERISCHE MOTOREN WERKE AG [DE]
Bayerische Motoren Werke Aktiengesellschaft
Resumen de: US20260074233A1
Electrodes for an electrochemical storage cell, including a conductor foil including an application zone for an electrode coating, the application zone including an outer region and a central region, are provided. The outer region of the application zone lies closer to an outer edge of the conductor foil than the central region. The application zone, in the outer region, has at least one electrolyte conduction region in which the diffusion rate of an electrolyte of the electrochemical storage cell is higher than in the application zone outside the electrolyte conduction region. Electrochemical storage cells including at least one electrode are further provided. Processes for producing an electrode for an electrochemical storage cell are further provided.
BOPI
Sede Electrónica
