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1408
resultados
Última actualización
17/12/2025 [07:14:00]
Resultados 1150 a 1175 de 1408
Resumen de: US2025369555A1
A multi-layer coolant fluid transport tube having an inner layer including any of a polyamide, polypropylene impact copolymer or thermoplastic elastomer incorporating graphene, typically 0.01-60% by weight, thereby providing chemical resistance and a barrier to coolant loss. An outer layer including any of a polyamide, a polyethylene, a polypropylene, or a polyurethane material including the graphene along with a foaming agent for providing thermal insulation between a fluid contained in the tube and external surroundings. Additional variants include one or more intermediate layers having an anhydride modified polypropylene adhesive.
Resumen de: US2025368057A1
A battery retrofit kit for a golf cart includes a base having a mounting surface, a lithium-ion battery supported on the mounting surface, a battery charger coupled to the base, and a retrofit controller coupled to the base.
Resumen de: US2025368516A1
An object of the present invention is to provide a highly crystalline heteroelement-containing graphene. A heteroelement-containing graphene disclosed herein includes carbon (C) and, as a heteroelement (X), at least one element selected from the group consisting of nitrogen (N), phosphorus (P), arsenic (As), sulfur (S), boron (B), and silicon (Si). Also, spots belonging to either the orthorhombic system or the hexagonal system and having the symmetry of a single crystal are observed in the selected area electron diffraction.
Resumen de: US2025368539A1
Disclosed is a cathode material, comprising a core, composed of a first material; and a coating, covering the core and composed of a second material, wherein the first material is represented by: LiNi0.5Mn1.5O4-δ, wherein δ>0, and the second material is Li-containing ternary halide.
Resumen de: US2025368513A1
A porous carbon material, in an XRD pattern of the porous carbon material, a (002) crystal plane diffraction peak is exhibited at a diffraction angle 2θ of 26.1° to 26.9°, and a full-width-at-half-maximum of the (002) crystal plane diffraction peak is FWHM°, and 1.80≤FWHM≤11.00. By increasing the graphitization degree of the porous carbon material and forming a crystal structure with well-ordered carbon atoms, endowing the porous carbon material with relatively high conductivity and structural stability, and can favorably reduce the internal resistance of the silicon-carbon material after a silicon material is deposited.
Resumen de: US2025368534A1
A positive electrode active material and a preparation method therefor, a positive electrode sheet, a secondary battery, and an electric device, wherein the positive electrode active material comprises hollow secondary particles, the hollow secondary particles comprising LiaNixCoyMnzAqMpOb, 0.25≤a≤1.2, 1.8≤b≤2, 0.3≤x≤0.6, 0≤y≤0.4, 0
Resumen de: US2025368535A1
The present invention relates to Li-rich positive electrode active material comprising a layered structure and a disordered rock-salt structure exhibiting high capacity and excellent cycling stability.
Resumen de: US2025368023A1
The present disclosure provides a spacer comprises a rigid support bracket arranged to be attached to the top cover, and an elastomeric member supported by the support bracket.
Resumen de: US2025372774A1
A cylindrical secondary battery is provided and including: an electrode wound body having a structure in which a band-shaped positive electrode and a band-shaped negative electrode are stacked and wound with a separator interposed therebetween; a battery can accommodating the electrode wound body with one end portion being open while the electrode wound body is accommodated; and a battery lid provided at the one end portion of the battery can and having two or more opening portions, wherein the two or more opening portions have a non-overlapping form during rotation that does not overlap the two or more opening portions before rotation when the two or more opening portions are rotated by more than 0° and less than 360° about an axis of a cylindrical shape of the secondary battery in top view, and the battery lid has a cleavage impression at any one of joints between two adjacent opening portions out of the two or more opening portions.
Resumen de: US2025368540A1
A method for preparing a positive electrode active material precursor having a narrow particle size distribution in a reproducible manner. The method utilizes a reaction device in which a reactor and a continuous grinder are connected. The method includes the steps of: (S1) introducing a reaction solution including a transition metal-containing solution, an ammonium ion-containing solution, and a basic aqueous solution into the reactor to form and discharge a positive electrode active material precursor seed; and (S2) introducing the positive electrode active material precursor seed discharged from the reactor into the continuous grinder, and discharging and re-introducing the positive electrode active material precursor seed into the reactor. Steps (S1) and (S2) are carried out simultaneously.
Resumen de: US2025372611A1
An electrode for a rechargeable battery according to an embodiment of the present disclosure includes a substrate, and an active material layer formed on the substrate, the active material layer including a first region and a second region having respective porosities which are different from each other, wherein the porosity of the first region is greater than the porosity of the second region.
Resumen de: US2025372605A1
A rolling system for the electrode plate substrate may include a pair of rolling rolls configured to roll an electrode plate substrate to which an active material is applied. Upstream guide rolls are disposed on an upstream side of the rolling rolls and configured to supply and guide the electrode plate substrate from an unwinder to the rolling rolls. Downstream guide rolls are disposed on a downstream side of the rolling rolls and configured to guide the rolled electrode plate substrate from the rolling rolls to a rewinder to be wound on the rewinder. Scratch rolls may be provided upstream and downstream of the rolling rolls to prevent formation of wrinkles in the electrode plate substrate.
Resumen de: US2025371961A1
The present invention relates to a battery alarm system for wireless sensors and a method thereof, the battery alarm system for sensors, according to an embodiment of the present invention, comprising: a wireless control device for communicating with a plurality of wireless sensors that monitor the status of a random space or equipment so as to receive status data related to the battery status of each wireless sensor, and a sensor monitoring device for matching the received status data to identification information of each wireless sensor to store and manage same, providing an error alarm to an administrator terminal device that manages the plurality of wireless sensors, and, in case the administrator terminal device selects the error alarm provided thereto, providing a monitoring screen for identifying the location of the wireless sensor at which an error has occurred.
Resumen de: US2025367702A1
Proposed is a dual slot die coater, which includes a first die block provided with a first manifold for accommodating the first coating material, a second die block provided on one side of the first die block, a third die block interposed between the first die block and the second die block, a second manifold provided in either the second die block or the third die block and accommodating a second coating material, and a temperature controller provided in the first die block and capable of controlling temperature.
Resumen de: US2025371696A1
An apparatus for inspecting battery electrodes according to embodiments of the present invention may extract an inspection object image including an area suspected of being defective based on an electrode image obtained from a camera, determine and apply different types of learning models for determining whether an electrode corresponding to the inspection object image is defective according to the amount of learning data.
Resumen de: US2025367613A1
In various aspects, methods of preparing mesoporous polyimide membranes are provided. The polyimide membranes are useful as separators in various electrochemical devices, in particular in alkali metal batteries where the controllable pore size and high modulus of the membranes can prevent or suppress dendrite formation in alkali metal batteries. Electrochemical devices, and in particular alkali metal batteries, incorporating the polyimide membranes as separators are also provided.
Resumen de: US2025373008A1
A power supply circuit and an electronic device. The power supply circuit includes: a battery module, where the battery module includes at least one power supply branch, each power supply branch includes a first battery cell and a second battery cell, and a negative electrode of the first battery cell in each power supply branch is connected to a positive electrode of the second battery cell; a first voltage converter, where an input terminal thereof is connected to a positive electrode of the first battery cell, an output terminal thereof is connected to a first load; and a second voltage converter, where an input terminal thereof is connected to the positive electrode of the second battery cell, an output terminal thereof is connected to a second load.
Resumen de: US2025372646A1
A battery cell, a battery including the battery cell, and an electrical apparatus are provided. The battery cell includes a positive electrode plate and an electrolyte solution. The positive electrode plate contains a positive electrode active material comprising an inner core and a coating layer. The inner core includes a lithium-containing complex with nickel, cobalt, manganese, and additional elements selected from one or more of zirconium, strontium, boron, titanium, magnesium, tin, terbium, tungsten, niobium, antimony, or aluminum, as well as anions selected from sulfur, nitrogen, fluorine, chlorine, bromine, or iodine. The coating layer includes one or more metal elements selected from cobalt, zirconium, strontium, boron, titanium, magnesium, tin, terbium, tungsten, niobium, antimony, or aluminum. The electrolyte solution includes an additive containing an organic compound with both silicon-nitrogen and silicon-oxygen bonds. This combination improves the electrochemical performance and stability of the battery during operation.
Resumen de: US2025372737A1
An energy storage system has a collection of one or more battery modules and a battery management system associated with the collection of battery modules. The battery management system is detects a battery event which indicates potential upcoming damage for the collection of battery modules. The battery management system also selects—based on a type of the battery event (e.g., temperature event, electrical event, chemical event)—a sub-set of measurement data from a set of available measurement data relating to the collection of battery modules, and causes the selected sub-set of measurement data to be stored at a storing location which is unaffected by the potential upcoming battery damage for the collection of battery modules.
Resumen de: US2025372648A1
The present disclosure relates to a secondary battery and a method for preparing the same, a battery pack, an energy storage system, and an electric apparatus. The secondary battery includes cathode active particles. The cathode active particles include a core and a carbon layer coating the core, and the core includes at least one of a lithium transition metal phosphate and a lithium transition metal oxide. Part of the cathode active particles are cracked, an average width of cracks is in a range of 10 nm to 30 nm, and an average length thereof is in a range of 300 nm to 800 nm.
Resumen de: US2025372644A1
The present invention relates to the field of lithium batteries, in particular to a lithium-ion battery positive electrode and a lithium-ion battery. The positive electrode comprises a positive electrode current collector and a positive electrode material on the positive electrode current collector, the positive electrode material comprising a positive electrode active material, the positive electrode active material at least comprising a polycrystalline ternary material and a monocrystalline ternary material.
Resumen de: US2025372637A1
A positive electrode active material with both high capacity and safety is provided. The secondary battery includes a positive electrode. The positive electrode includes a positive electrode active material. The positive electrode active material includes lithium cobalt oxide containing magnesium, nickel, and aluminum. When the positive electrode is analyzed by powder X-ray diffraction using CuKα1 as a radiation source at a charge depth greater than or equal to 0.8, the positive electrode active material has diffraction peaks at 2θ of 19.30±0.20° and 2θ of 45.55±0.10°. The positive electrode active material includes a first region having a surface parallel to a (001) plane and a second region having a surface parallel to a plane intersecting with the (001). A nickel concentration in the first region is higher than a nickel concentration in the second region.
Resumen de: US2025372640A1
A method of producing a positive electrode active material includes calcinating a mixture of a nickel-containing compound and a lithium compound introduced into a furnace of a rotary kiln at 750 to 1000° C. under an oxygen atmosphere. The nickel-containing compound is at least one of a nickel-containing hydroxide and a nickel-containing oxide. A layer of yttrium-chromium composite oxide is formed on an outermost surface of an inner wall of the furnace.
Resumen de: US2025372627A1
The cathode active material includes first particles and second particles. The first particle has a maximum Feret diameter of 1 μm or greater. The second particle has a maximum Feret diameter less than or equal to 50 nm. The second particle is attached to the surface of the first particle. The second particles are deposited in an amount of 0.24 or more per 1 μm2.
Nº publicación: US2025372638A1 04/12/2025
Solicitante:
TOYOTA MOTOR CO LTD [JP]
TOYOTA JIDOSHA KABUSHIKI KAISHA
Resumen de: US2025372638A1
An electrode active material in the present disclosure has at least one O2-like structure selected from among an O2-type structure, a T#2-type structure, and an O6-type structure, and has a chemical composition shown as LiaNabNix-pCOy-qMnz-rMp+q+rO2(0
BOPI
Sede Electrónica
