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1318
resultados
Última actualización
15/03/2026 [07:37:00]
Resultados 825 a 850 de 1318
Resumen de: US20260066368A1
The present disclosure relates to a method for charging a rechargeable lithium battery including constant-current charging the rechargeable lithium battery at a current density of 4 C to 10 C; and constant-voltage charging the rechargeable lithium battery, wherein the rechargeable lithium battery includes a positive electrode active material including a lithium nickel-based composite oxide having a nickel content of greater than or equal to about 80 mol % based on 100 mol % of metals excluding lithium.
Resumen de: US20260066271A1
A cathode active material for a lithium secondary battery, a cathode for a lithium secondary battery including the same, and a lithium secondary battery are provided. The cathode active material for a lithium secondary battery includes: a first cathode active material including a lithium-nickel metal oxide in the form of a single particle; and a second cathode active material including lithium manganese iron phosphate. Accordingly, a lithium secondary battery with improved cell safety and high energy density per unit cell volume may be achieved.
Resumen de: US20260066267A1
An electrode for a secondary battery includes a composite substrate including a first substrate and a second substrate, each of the first substrate and the second substrate including a conductive metal material, and an insulating layer between the first substrate and the second substrate, a first active material layer on the first substrate of the composite substrate, a second active material layer on the second substrate of the composite substrate, a first electrode tab coupled to the first substrate of the composite substrate, and a second electrode tab coupled to the second substrate of the composite substrate.
Resumen de: US20260066259A1
A method of preparing an electrode for a secondary battery, which effectively reduces a residual amount of moisture in the electrode and may significantly improve electrode adhesion at the same time, is disclosed. The method of preparing an electrode for a secondary battery includes steps of: preparing an electrode in which an electrode active material layer is formed; rolling the electrode; and drying the rolled electrode. The drying is performed such that a temperature that is from 170° C. to 210° C. is reached during the drying of the rolled electrode. For example, a temperature that is above a melting point (170° C.) of a polyvinylidene fluoride (PVDF)-based binder resin may be reached the during drying of the rolled electrode.
Resumen de: US20260066263A1
A system and methods for manufacturing a dry electrode for an energy storage device are disclosed. The system includes a first dry electrode material delivery system configured to deliver a dry electrode material, a first calendering roll, a second calendering roll, and a controller. The second calendering roll is configured to form a first nip between the first calendering roll and the second calendering roll. The first nip is configured to receive the dry electrode material from the first dry electrode material delivery system, and form a dry electrode film from the dry electrode material. The controller is configured to control a rotational velocity of the second calendering roll to be greater than a rotational velocity of the first calendering roll. 62385256
Resumen de: US20260066262A1
A solid electrolyte-electrode assembly, as well as an all-solid-state battery including the assembly are described. For instance, a solid electrolyte-cathode assembly can be formed by co-rolling a plurality of cathode particles and a plurality of solid electrolyte particles, which results in the simultaneous production of the assembly and makes it possible to achieve improved interface resistance between the electrolyte membrane and electrode to improve battery performance. Also, the resulting electrolyte can be thin, which improves the energy density, while also maintaining excellent strength by using an electrode as a support.
Resumen de: US20260063375A1
A heat storage and exchanger includes a first fluid conduit, a second fluid conduit, a heat exchanger, and a storage tank. The heat exchanger is configured to transfer heat between the first fluid conduit and the second fluid conduit. The storage tank is configured to receive a thermal storage medium. At least a section of the heat exchanger is arranged in the storage tank to enable a transfer of heat between the heat exchanger and the thermal storage medium.
Resumen de: US20260063729A1
A detection device for an electrical energy store of a motor vehicle for detecting a fault of at least one energy store cell of a circuit of energy storage cells of the energy store includes a current sensor for detecting current values of the circuit, a voltage sensor for detecting cell voltage values of the energy store cells, and a storage and evaluation apparatus to receive and temporarily store the current and cell voltage values over a predefined time span, to compare a dynamic of cell voltage profiles obtained from the temporarily stored cell voltage values of a time span with a dynamic of the current profile obtained from the temporarily stored current values of the time span, and to detect, on the basis of the comparison, a fault of at least one energy store cell.
Resumen de: US20260062230A1
The invention relates to a device and a method for transferring blanks to a transfer line, in particular for transferring blanks (10) to a material track, a transport track (14), a rotating roller and/or to products (12) transported along a conveyor belt, the device (1) comprising a positioning system (2) with at least two, in particular three or more, carriages (20) movable along a circumferential track and with a drive system (24), wherein the carriages (20) each have a product holder (22) and are designed to pick up one blank (10) at a time on the product holder (22), transport the blank (10) in a fixed position on the product holder, and transfer the blank (10) to the transfer line, and wherein the drive system (24) is designed to move the carriages (20) along the circumferential track at least in sections independently of one another.
Resumen de: US20260062294A1
A process of producing silicon-containing materials includes converting a gas to a super-heated state in which it is at least partly in plasma form, and contacting the superheated gas with a silicon-containing first starting material to form a mixture including the gas and silicon, where-in the silicon-containing materials are produced by adding to the gas or the mixture a second starting material that can enter into a chemical reaction directly with the silicon in the mixture, or breaks down thermally on contact with the superheated gas and/or the mixture, and steps a. and b. are effected spatially separately from one another.
Resumen de: US20260066507A1
A battery, including a cell, a protection board and an injection-molded plastic structure. The injection-molded plastic structure encloses at least a tab, a top sealing edge, a main board and a portion of a flexible printed circuit board, an output end of the flexible printed circuit board is located outside the injection-molded plastic structure, and a groove is formed on the injection-molded plastic structure at a position corresponding to where the output end extends, with at least a portion of the output end being located within the groove. The groove has a minimum groove width of not less than 2 mm in a first direction, and has a groove depth of not less than 0.5 mm in a second direction. In this way, the injection-molded plastic structure provides effective protection for elements such as the protection board, and ensures a sufficient space for movement of the flexible printed circuit board.
Resumen de: US20260066360A1
A battery may include an electrode assembly including a first electrode, a second electrode and a separator interposed between the first electrode and the second electrode. The first electrode may include a first active material region coated with an active material layer along a winding direction and a first uncoated region not coated with the active material layer. The battery may further include a first current collector coupled to at least part of the first uncoated region on the electrode assembly, a battery housing to accommodate the electrode assembly and the first current collector, and an insulator interposed between an inner surface of the battery housing facing the first uncoated region or the first current collector and the first uncoated region or the first current collector to block an electrical connection between the first uncoated region and the battery housing.
Resumen de: US20260066345A1
An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the electrolyte are disclosed. The electrolyte may include a non-aqueous (e.g., water-insoluble) organic solvent, a lithium salt, a first additive that includes a cesium salt compound represented by Chemical Formula 1-1 or Chemical Formula 1-2, and a second additive that includes a phosphazene compound represented by Chemical Formula 2.
Resumen de: US20260066299A1
A salt-philic solvent-phobic (SP2) polymer coating on a lithium anode, sodium anode, or a silicon anode selectively transports salt over solvent and is configured to promote salt-derived SEI formation on the anode. The SP2 coating can include a polymer backbone, a first side chain comprising a first moiety having salt affinity, and a second side chain comprising a second moiety immiscible with polar aprotic solvents.
Resumen de: US20260066340A1
A method for preparing a solid-state electrolyte membrane structure. The method includes: S1, proportionally mixing raw materials of a solid-state electrolyte to obtain a mixed powder; S2, mixing the mixed powder, a binder and a solvent together to obtain a solid-state electrolyte precursor slurry; S3, coating the solid-state electrolyte precursor slurry on a substrate to obtain a solid-state electrolyte precursor coating layer; and S4, subjecting the solid-state electrolyte precursor coating layer to a laser treatment to obtain the solid-state electrolyte membrane structure.
Resumen de: US20260066433A1
Array housing designs are disclosed for battery arrays of a traction battery pack. An exemplary battery array may include an array housing having a ribbed structure that includes at least one rib (e.g., external and/or internal) configured for increasing the structural stiffness of the battery array. A groove may extend at least partially through the rib, and an adhesive/sealant may be disposed within the groove for securing a surrounding structure relative to the array housing and thereby structurally integrating the battery array. In some implementations, the groove may receive a fin of a thermal barrier assembly of a battery cell stack of the battery array.
Resumen de: US20260066444A1
A battery module includes a housing which accommodates a plurality of battery cells therein, and has a vent-hole portion formed therein; a top cover which is movably installed on the housing so as to open/close the vent-hole portion; an elastic member which is installed to apply an elastic force to the top cover in a direction in which the top cover opens the vent-hole portion; and a stopper configured to support the top cover so that the top cover maintains a closed state of the vent-hole portion. The stopper can lose or reduce support to the top cover due to changes in temperature or pressure.
Resumen de: US20260066294A1
Disclosed are negative electrodes, all-solid-state batteries, and fabrication methods thereof. The all-solid-state battery includes a positive electrode layer, a negative electrode layer including a negative electrode current collector, and a negative electrode coating layer on the negative electrode current collector, and a solid electrolyte layer between the positive electrode layer and the negative electrode layer. The negative electrode layer includes lithiophilic metal, carbon, an additive, and a porous polymer composite. The porous polymer composite has a particulate shape. The additive includes a binder. An amount of the porous polymer composite in the negative electrode coating layer is greater than the amount of the additive in the negative electrode coating layer.
Resumen de: US20260066295A1
The present invention relates to a negative electrode active material for a rechargeable lithium battery and a rechargeable lithium battery including the same, and the negative electrode active material for a rechargeable lithium battery includes graphite including secondary particles in which primary particles are assembled; and amorphous carbon present inside the secondary particles, wherein a ratio of the average particle diameter D50 of the amorphous carbon to the average particle diameter D50 of the primary particles is 0.1 to 0.5.
Resumen de: US20260066287A1
A solid electrolyte-electrode assembly, as well as an all-solid-state battery including the assembly are described. For instance, a solid electrolyte-cathode assembly can be formed by co-rolling a plurality of cathode particles and a plurality of solid electrolyte particles, which results in the simultaneous production of the assembly and makes it possible to achieve improved interface resistance between the electrolyte membrane and electrode to improve battery performance. Also, the resulting electrolyte can be thin, which improves the energy density, while also maintaining excellent strength by using an electrode as a support.
Resumen de: US20260066269A1
The present invention provides a secondary battery including a negative electrode having a negative electrode active material layer containing a negative electrode active material, a positive electrode facing the negative electrode and having a positive electrode active material layer containing a positive electrode active material, a separator interposed between the negative electrode and the positive electrode, and an electrolyte, wherein the negative electrode active material includes a silicon-based active material and an N/P ratio calculated by a specific equation is 1.92 to 2.60.
Resumen de: US20260066281A1
A negative electrode active material particle, a negative electrode comprising the same, and a secondary battery comprising the negative electrode are provided. The negative electrode active material particle comprises a core and a coating layer on the core, the core comprising a silicon-based particle, and the coating layer comprising a polymer comprising an aromatic cyclic monomer unit including a heteroatom and having an alkyl group at a side chain, and thereby prevents side reactions such as the production of hydrogen gas during aqueous mixing of a slurry without increase of resistance.
Resumen de: US20260068049A1
Disclosed are a flexible printed circuit and a battery pack. The flexible printed circuit comprises a flexible cable, wherein a window portion is formed in the middle of the flexible cable, and a flexible die-cutting circuit is electrically connected to the window portion. The flexible cable is a flexible flat cable. The flexible die-cutting circuit or a small flexible printed circuit is electrically connected to the window portion. The window portion is rectangular. The invention has the beneficial effect that an FCC manufactured by a new process is bendable while original FFCs and FDCs are non-bendable.
Resumen de: US20260066337A1
A separator for a sodium battery, and a sodium battery, a secondary battery, and an electric apparatus comprising the separator. The separator for the sodium battery has a first surface and a second surface along its thickness direction, and a porosity of the separator decreases gradually from the first surface to the second surface.
Nº publicación: US20260066348A1 05/03/2026
Solicitante:
NINGDE AMPEREX TECH LIMITED [CN]
Ningde Amperex Technology Limited
Resumen de: US20260066348A1
A non-aqueous electrolyte includes vinylene carbonate and Formula I compound, where based on a total mass of the non-aqueous electrolyte, a mass percentage of vinylene carbonate is A %, where 0.01≤A≤3; a mass percentage of a compound of Formula I is B %; and P=B/A, where 0.5≤P≤50.
BOPI
Sede Electrónica
