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1242
resultados
Última actualización
01/04/2026 [08:23:00]
Resultados 700 a 725 de 1242
Resumen de: US20260081166A1
A cured product for lithium ion secondary batteries includes water-soluble polymers, a crosslinking agent and cellulose nanofibers. The crosslinking agent crosslinks different water-soluble polymers or the water-soluble polymer and the cellulose nanofibers. When wide-angle X-ray scattering (WAXS) measurement is performed using CuKα rays, the diffraction angle 2θ has a peak in a range of 16° or more and 21° or less. The half-value width of the peak is 5.5° or less.
Resumen de: US20260081164A1
A binder composition for a non-aqueous secondary battery electrode contains a polymer X that includes an acidic group-containing monomer unit in a proportion of not less than 3 mass % and not more than 20 mass % and a repeating unit derived from an unsaturated monomer A in a proportion of not less than 5 mass % and less than 50 mass %. The unsaturated monomer A has a solubility in water of not less than 1 g/100 mL and not more than 15 g/100 mL and has a glass-transition temperature of 40° C. or lower.
Resumen de: US20260081140A1
Provided herein are methods of preparing electrodes. The method comprises: combining an electroactive material, an electron conductive material, an electrolyte, and a polymeric binder, to form an active mixture; and shaping the active mixture to form an electrode. In some embodiments, the electrolyte comprises a salt and a nonaqueous solvent of the salt. In some embodiments, the solvent of the salt does not dissolve the polymeric binder. In some embodiments, the method does not include a drying step to remove the solvent and the nonaqueous solvent remains in the active mixture and the electrode. In some embodiments, the electrode as prepared has an areal capacity of at least 2 mAh/cm2 and a thickness of at least 30 μm.
Resumen de: WO2026059620A2
Embodiments described herein relate to sealed electrochemical cells and multi-cells. An electrochemical cell includes a cathode disposed on a cathode current collector. The cathode current collector including a first layer disposed on the cathode and a second layer disposed on the first layer. The first layer includes a first material, and the second layer includes a second material different from the first material. The electrochemical cell further includes an anode disposed on an anode current collector. The anode current collector includes the second material. A separator is disposed between the cathode and the anode.
Resumen de: WO2026056714A1
Provided in the present application are a composite-coated positive electrode material and a preparation method therefor, a positive electrode sheet, a lithium-ion battery and an electric device. The composite-coated positive electrode material comprises an inner core, a first coating layer that coats at least part of the surface of the inner core, and a second coating layer that coats at least part of the surface of the first coating layer, wherein the inner core comprises a lithium nickel manganese oxide; the first coating layer comprises a first coating material, the first coating material comprises one or more of nickel phosphate, manganese phosphate, lithium phosphate, lithium nickel phosphate and lithium manganese phosphate, the first coating material further comprises aluminum, and at least some aluminum atoms occupy nickel sites and/or manganese sites in the crystal structure of the lithium nickel manganese oxide; and the second coating layer comprises a second coating material, and the second coating material comprises lithium phosphate and at least one of lithium metaaluminate and aluminum oxide. The prepared positive electrode material has relatively high capacity and good cycle performance.
Resumen de: WO2026056237A1
Provided in the present disclosure is a battery. The battery comprises: an electrolyte, and a battery component in contact with the electrolyte; at least the surface of the battery component in contact with the electrolyte comprises a stainless steel layer, the electrolyte at least comprises a compound represented by formula 1, and the compound represented by formula 1 is: Formula 1.
Resumen de: WO2026056082A1
A positive electrode material and a preparation method therefor, a positive electrode slurry, a positive electrode sheet, and a lithium ion battery and a preparation method therefor. The positive electrode material is applied to a battery; the battery comprises an electrolyte; the electrolyte comprises lithium hexafluorophosphate and an organic solvent; the positive electrode material comprises a positive electrode active material and lithium carbonate; the lithium carbonate is coated on the surface of the positive electrode active material; and the mass ratio of the positive electrode active material to the lithium carbonate is 1:(0.001-0.03).
Resumen de: US20260081158A1
An anode material having 0.8≤0.06×(Dv50)2−2.5×Dv50+Dv99≤12, where Dv50 represents a numerical value of a particle size measured at a cumulative volume of 50% in a volume-based particle size distribution of the anode material, and Dv99 represents a numerical value of a particle size measured at a cumulative volume of 99% in the volume-based particle size distribution of the anode material, wherein Dv50 and Dv99 are expressed in μm. The anode material is capable of significantly improving the rate performance of electrochemical devices.
Resumen de: US20260081136A1
Aspects of the disclosure include the electrochemical deposition of a metal oxide coating on cathode active materials and resulting battery cells. An exemplary vehicle includes an electric motor and a battery pack electrically coupled to the electric motor. The battery pack includes a battery cell that includes an anode current collector, an anode active material layer in direct contact with a surface of the anode current collector, a cathode current collector, a cathode active material layer in direct contact with a surface of the cathode current collector, and a separator positioned between the anode active material layer and the cathode active material layer. The cathode active material layer includes cathode active materials having a metal oxide coating. The metal oxide coating is electrochemically deposited onto the cathode active materials.
Resumen de: US20260081137A1
A positive electrode material includes a first positive electrode active material and a second positive electrode active material. The first positive electrode active material has an average particle diameter (D50) of 10 μm to 30 μm and the second positive electrode active material has a smaller average particle diameter than the first positive electrode active material. An equivalent weight of lithium in the first positive electrode active material and an equivalent weight of lithium in the second positive electrode active material are different.
Resumen de: US20260081133A1
Disclosed is a preparation method for a zinc electrode, including: a step of dissolving a water-soluble calcium salt of organic acid in deionized water to obtain a first mixed solution; a step of preparing a negative electrode slurry by mixing the first mixed solution, a water-soluble binder, a thickener, and an active material including zinc oxide; and a step of preparing the zinc electrode by applying the slurry to a surface of a current collector and baking it at a high temperature. Further disclosed is a zinc electrode prepared by the preparation method, and use of the zinc electrode in an alkaline nickel-zinc battery. The zinc electrode prepared in the present disclosure can not only effectively improve the deformation thereof and solve the growth problem of zinc dendrites, but also contribute to increasing the utilization rate of an active material of the zinc electrode and improving the cycle performance of the alkaline nickel-zinc battery.
Resumen de: US20260081162A1
A method of manufacturing a battery cell includes forming an electrode and coating the electrode with an n-mer solution. The n-mer coated electrode is treated by heat, ultraviolet, or cross-linking agents to polymerize the n-mer and form an ion exchange material that covers at least some of the electrode.
Resumen de: US20260081159A1
A sulfur electrode and a method for manufacturing the same are disclosed. The method for manufacturing the sulfur electrode includes: growing carbon fibers on a surface of stainless steel; connecting the stainless steel on which the carbon fibers are grown to a cathode of a current controller in an aqueous solution in which sulfur ions are dissolved; and forming a sulfur thin film on each of surfaces of the carbon fibers grown on the surface of the stainless steel and in each of spaces between the carbon fibers by controlling a current of the current controller.
Resumen de: US20260081135A1
The invention relates to a laminating apparatus for a multilayer continuous web composed of at least one separator web and at least one electrode for producing energy cells, with a pressing device which laminates the multilayer continuous web by exerting a compressive force, wherein the pressing device has two pressing surfaces, with which it comes into contact with different sides of the continuous web, and the pressing surfaces are temperature-controlled differently.
Resumen de: US20260081161A1
A method of manufacturing an electrode laminated-body module of the present disclosure includes (a) producing an electrode laminated body by laminating a positive-electrode active material layer, a separator, and a negative-electrode active material layer in the stated order, and (b) injecting an electrolytic solution into an electrode laminated-body module including the electrode laminated body and an exterior body. In (a), at least one of the positive-electrode active material layer, the separator, and the negative-electrode active material layer has an ethylene carbonate layer on at least a part of a front surface thereof.
Resumen de: US20260081155A1
A positive electrode active material comprises powder. The powder includes secondary particles. Each of the secondary particles includes primary particles. Each of the primary particles includes an olivine-type phosphate compound. In an SEM image of the powder, a proportion of the secondary particles each having an open pore to the secondary particles each having a maximum Feret diameter of 5 μm or more is 40% or more.
Resumen de: US20260081134A1
An electrode sheet manufacturing apparatus and a method for manufacturing an electrode sheet include a coating portion configured to apply an electrode slurry on a base material to form a coating layer, an attachment portion configured to attach a tape to the base material in a region where the coating layer is not formed, a pressing portion configured to press the coating layer and/or the tape, and a removal portion configured to remove the tape from the base material.
Resumen de: US20260081157A1
A positive electrode active material comprises tertiary particles. Each of the tertiary particles includes secondary particles. Each of the secondary particles includes primary particles. Each of the primary particles includes an olivine-type phosphate compound. In at least part of the tertiary particle, a vacant space is formed between the secondary particles.
Resumen de: US20260081451A1
An energy management device that interworks with an electric power grid, a power generation device, an Energy Storage System (ESS), and a bidirectional Electric Vehicle (EV) charger includes: at least one processor; and a memory storing at least one instruction executed via the at least one processor. At least one instruction may include: an instruction for collecting basic information including information regarding a power generation state and a power consumption state, and grid electric power cost information; an instruction for establishing, by using the collected basic information, an ESS operation schedule for controlling charging and discharging operations of an ESS battery and an EV operation schedule for controlling charging and discharging operations of an EV battery; and an instruction for controlling the ESS battery and the EV battery to be charged/discharged in accordance with the ESS operation schedule and the EV operation schedule.
Resumen de: US20260081455A1
A computer device includes a non-transitory storage medium configured to store a plurality of processor executive commands and a processor configured to execute the plurality of processor executive commands. By executing the processor executive commands, the processor may be configured to estimate a state of charge (SOC) based on at least one of a measured voltage value, a measured current value, and a measured temperature value, correct the estimated SOC based on a polarization voltage of a secondary battery, determine a magnitude of a charging current based on the corrected SOC and the measured temperature value, and provide information on the determined magnitude of the charging current to a charging device.
Resumen de: US20260081456A1
A power charging device with a direct charging mode includes a power conversion module, having a primary-side circuit electrically connected to a primary side of a transformer and an output rectifier circuit electrically connected to a secondary side of the transformer, configured to convert an AC input voltage to a DC output voltage, and a power control module electrically connected to the power conversion module, configured to provide a direct charging mode or a regular USB type-C output power supply mode. The direct charging mode is activated to perform programmable charging when a direct charging agreement is confirmed between the AC to DC power charging device and battery pack, otherwise the regular USB type-C output power supply mode is activated.
Resumen de: US20260081454A1
A battery charging and discharging system includes bidirectional power supply and bypass module. Bidirectional power supply provides a charge current to charge a battery in a charge operation. Bypass module includes a first current path and a second current path that are coupled in parallel to each other. First current path includes a first resistor unit and battery coupled to first resistor unit. Second current path includes a second resistor unit. Charge current is a sum of a first charge current flowing through first current path and a second charge current flowing through second current path. Impedances of first resistor unit and second resistor unit are adjusted to gradually increase and to decrease respectively, so that a current value of first charge current gradually changes from a first current value to zero and a current value of second charge current gradually changes from zero to a second current value.
Resumen de: WO2026060014A1
Composite shell compositions for use in a cathode in a solid electrochemical cell are described. The composite shell compositions include sulfur, carbon, and a lubricant material. The composite shells improve the mechanical durability and the conductivity of the cathode.
Resumen de: WO2026060156A1
An energy storage/battery system is disclosed. The system can include a multi-voltage configurable module (MVCM) and a multi-voltage configurable backplane (MVCB) that form the system. The system can be dynamically controlled to bring MVCMs on or offline to deliver power and capacity to a device. The MVCM can include a main housing with first cavities extending through the main housing to receive battery cells and second cavities in which printed circuit boards can be positioned to support the battery cells. The MVCB can include separable main housing sections.
Nº publicación: US20260081132A1 19/03/2026
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Resumen de: US20260081132A1
The present disclosure relates to an apparatus and method for manufacturing an electrode plate, forming a vertical profile of a coated region, and is directed to providing an apparatus and method for manufacturing an electrode plate, which are capable of vertically forming an edge of a coated region in a process of manufacturing an electrode plate. The present disclosure provides an apparatus for manufacturing an electrode plate of a secondary battery, which includes a shield attachment unit that attaches a shield to predetermined portion of a substrate of the electrode plate of the secondary battery, a coating unit that coats an electrode material to the substrate with the shield attached to the substrate, a shield removal unit that removes the shield such that the substrate has an uncoated region and a coated region, and a rolling unit that rolls the substrate.
BOPI
Sede Electrónica
