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1480
resultados
Última actualización
17/01/2026 [07:31:00]
Resultados 225 a 250 de 1480
Resumen de: US20260018607A1
An electrochemical device including a positive electrode, a negative electrode, and an electrolyte, where the positive electrode includes a positive electrode active material, the positive electrode active material includes element manganese, and based on a mass of the positive electrode active material, a percentage of the element manganese is B %; the electrolyte includes carboxylate ester, and based on a mass of the electrolyte, a percentage of the carboxylate ester is C %; and 10≤C≤60 and 0.5≤C/100B≤6.
Resumen de: US20260018706A1
Provided is a high-voltage UPS battery system. The system includes a battery casing, a cell mounted within the battery casing, and a heating base mounted within the battery casing and at a bottom end of the cell. The heating base is configured to selectively heat the cell.
Resumen de: US20260018697A1
A device for thermal regulation, for a component that is liable to release heat during operation, includes a circulation network for a heat-transfer fluid, the circulation network includes a fluid flow channel, and a mixing member. The mixing chamber includes openings that are arranged so as to cause the fluid circulating in the channel to be successively separated and mixed.
Resumen de: US20260018689A1
Wireless battery management systems, battery packs, and apparatuses comprising the battery packs are disclosed. In an embodiment, a wireless battery management system may include a plurality of wireless electrochemical impedance spectroscopy (EIS) modules configured to connect to a respective battery module of a plurality of battery modules included in a battery pack and measure EIS of the respective battery module; and a first wireless battery management module configured to communicatively couple wirelessly with the plurality of wireless EIS modules, receive EIS measurement results wirelessly from the plurality of wireless EIS modules, and integrally manage the plurality of battery modules based on the received EIS measurement results.
Resumen de: US20260018687A1
The present application provides a separator, a secondary battery including a separator, and a power consuming apparatus. The separator includes a first base film and a coating. The coating is located on a surface of the first base film, and the coating includes a thermochromic material.
Resumen de: US20260018686A1
Disclosed is a method of: providing an electrochemical energy storage device having a first electrode and a second electrode; and simultaneously: a) maintaining the first electrode and a first temperature; b) maintaining the second electrode at a second temperature; and c) charging or discharging the device. The coolest portion of the second electrode is at least 1° C. warmer than the warmest portion of the first electrode.
Resumen de: US20260018685A1
The present application relates to an electrode sheet, a battery cell, a battery, and an electric device. The electrode sheet includes a current collector, a coating, and an active material layer. The coating is provided on at least one surface of the current collector and includes at least one coating area. The coating area includes a decomposable material. The decomposable material is configured to decompose under at least one condition of charging and discharging of the battery cell. The decomposable material includes at least one of a lithium supplementing material and a pore forming material. The lithium supplementing material includes a lithium ion-containing compound. The active material layer is provided on at least one surface of the current collector and covers the coating.
Resumen de: US20260018602A1
The present application relates to the technical field of lithium-ion battery, and particularly, to a cathode active material and a preparation method thereof, a positive electrode plate, a battery, and an electrical apparatus. An offset angle of a (104) diffraction peak of the cathode active material is αnm, n is the number of charging cycles of a battery including the cathode active material, where n is an integer; m % is a percentage of a charging capacity to a total capacity of the battery at a n-th charging cycle of the battery; αnm is a 2θ value corresponding to the (104) diffraction peak in an XRD diffraction spectrum of the cathode active material when the percentage of the charging capacity to the total capacity of the battery is m % at the n-th charging cycle of the battery; αnm satisfies: α10050−α1000≤0.250°; and α100100−α1000≤1.500°.
Resumen de: US20260018597A1
Provided is an anode for an all-solid-state battery including an anode layer, and an interface layer on the anode layer, wherein the anode layer includes an anode active material, and wherein the interface layer includes a metal oxynitride satisfying MxNyOz, where, Mis one or more of silicon (Si), aluminum (Al), and hafnium (Hf), 0<x<1, 0<y<1, 0<z<1, and x+y+z=1.
Resumen de: US20260018593A1
Provided are electrodes that may be used in electrochemical cells that incorporate relatively high loading of active material while also demonstrating excellent adhesion, resistance to mechanical breakdown, and also offer improved capacity retention, particularly at discharge rates of C/2 or greater.
Resumen de: US20260018589A1
An electrochemical device includes a negative electrode sheet, the negative electrode sheet includes a negative electrode current collector and a negative electrode active material layer, and the negative electrode active material layer is located on the negative electrode current collector. The negative electrode current collector includes a copper foil, and a (220) crystal face peak area percentage of the copper foil is 15% to 21%. Using the copper foil with a (220) crystal face peak area percentage of 15% to 21% as the negative electrode current collector can increase the impact pass rate of the electrochemical device, thereby improving the safety performance of the electrochemical device.
Resumen de: US20260018617A1
The present disclosure relates to a binder for an electricity storage device comprising a vinyl alcohol polymer.
Resumen de: US20260018613A1
Anode material, and battery. Anode material includes graphite and carbon layer located on at least part of surface of graphite. Particle surface and particle section of anode material are respectively tested by Raman spectroscopy, peak area ratio of D characteristic peak within range of 1300 cm−1 to 1350 cm−1 to G characteristic peak within range of 1500 cm−1 to 1580 cm-1 is ID/Ig, ratio of ID/IG measured on the particle surface is A, and ratio of ID/IG measured on particle section is B, and 1.22
Resumen de: US20260018693A1
This application provides a battery and a charging method thereof, a battery management system, and an electric device, capable of improving charging performance of the battery. The battery includes at least one battery cell and a battery management system. A positive electrode active material of the battery cell includes LiMPO4, and M includes element Mn and element Fe. The battery management system is configured to: when an SOC of the battery is less than or equal to a preset SOC threshold, control the battery to charge based on a first charging current so as to heat the battery during a charging process; and when the SOC of the battery is greater than the SOC threshold, control the battery to charge based on a second charging current, where the first charging current is greater than the second charging current.
Resumen de: US20260018720A1
Provided are a battery structure and a battery pack. The battery structure includes a first housing and a battery assembled within the first housing, a second housing, and a capacitor assembled within the second housing. A positive terminal of the battery is provided with a first positive output member, and a cover plate of the battery serves as a negative terminal of the battery. A positive terminal of the capacitor is provided with a second positive output member, and a negative terminal of the capacitor is provided with a negative output member.
Resumen de: US20260019009A1
A multi-level inverter using cascaded H-bridge modules, where each module can balance its at least two charge storage elements by means of voltage equalization. Modules are arranged in series into at least one cascade inverter phase with optional center taps, and modules communicate with a control unit by being addressed over at least one serial communication bus. Additional features that can be included in embodiments are the configuration of modules to react to multiple specific addresses in order to increase the maximum output voltage slew rate, metal circuit breaking springs to provide fusing within modules, and the ability to interconnect multiple physically distinct inverters into a single unit. This inverter is predominantly intended for electric vehicle applications, and the optional incorporation of a switching array allows the possibility for power transfer to or from a wide range of voltage sources including other inverters.
Resumen de: US20260018682A1
A battery cell includes a cathode compartment configured to contain a catholyte that releases metal ions, an anode compartment configured to receive electrons from an external power supply, an ion-selective membrane positioned between the cathode compartment and the anode compartment and configured to selectively transport the metal ions from the cathode compartment to the anode compartment when self-priming the battery cell, and an electron transport structure configured to provide electrons to at least one of the ion-selective membrane or an electrically conductive coating on the ion-selective membrane without a molten metal within the anode compartment when self-priming the battery cell, such that the electrons are combined with the metal ions arriving at an interface between the electron transport structure and the ion-selective membrane when self-priming the battery cell to produce the molten metal within the anode compartment.
Resumen de: US20260018594A1
A negative electrode composition, a negative electrode, a lithium secondary battery, a battery module, and a battery pack are provided. The negative electrode composition includes a negative electrode active material comprising a silicon carbon composite and graphite, wherein a tap density of the graphite is equal to or greater than a tap density of the silicon carbon composite.
Resumen de: US20260018591A1
Alkaline electrochemical cells are provided, wherein runtime and performance are increased by preventing zinc oxide reaction precipitate from creating a conductive bridge between the two electrodes. The alkaline electrochemical cell comprises a nickel material in the cathode, and solid zinc oxide particles in the anode.
Resumen de: US20260018590A1
Disclosed is a battery having a positive electrode, a negative electrode, and an electrolyte. At least one of the positive electrode and the negative electrode contains a lithium or sodium compound of A2MCl4, in which A is Li or Na and M is Ti, V, Cr, Mn, Fe, or Co. The electrolyte has a salt concentration of at least 3 mol/L.
Resumen de: US20260018592A1
Provided is a negative electrode active material for a sodium-ion secondary battery that exhibits stable battery characteristics when repeatedly charged and discharged. A negative electrode active material for a sodium-ion secondary battery contains: an amorphous phase containing SiO2 and a Fe—Sn-based alloy.
Resumen de: US20260018622A1
An electrode assembly includes a positive electrode plate and a negative electrode plate; where the positive electrode plate includes a positive electrode current collector, the positive electrode current collector including a first metal layer; and the negative electrode plate includes a negative electrode current collector, an elongation rate of the negative electrode current collector being 8% to 25%, and a tensile strength of the negative electrode current collector being 200 MPa to 450 MPa. When the elongation rate and tensile strength of the negative electrode current collector are within the above ranges, the debris generated by the negative electrode current collector is reduced when the secondary battery is subjected to an external impact, which can lower the probability of the negative electrode current collector debris acting as a short-circuit site and triggering the positive electrode current collector-negative electrode material layer short-circuit mode.
Resumen de: US20260018616A1
An electrode for a lithium rechargeable battery includes an electrode substrate and a porous layer. The porous layer includes a binder resin and inorganic fine particles. The porous layer is present on the electrode substrate. The binder resin includes a (co)polymer containing a repeating unit derived from a urethane (meth)acrylate-based monomer or oligomer. A lithium rechargeable battery comprising the same is also provided.
Resumen de: US20260018661A1
A solid electrolyte composition including (A) a sulfide solid electrolyte including lithium, phosphorus and sulfur, and (B) one or more compounds selected from the compounds represented by the following formulas (1) to (3).
Nº publicación: US20260018659A1 15/01/2026
Solicitante:
LOTTE ENERGY MAT CORPORATION [KR]
SEOUL NATIONAL UNIV R&DB FOUNDATION [KR]
Lotte Energy Materials Corporation,
SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
Resumen de: US20260018659A1
Disclosed is a novel halide-based solid electrolyte composition exhibiting enhanced ionic conductivity, wherein the solid electrolyte composition comprises a lithium yttrium halide with a hexagonal close-packed structure, and when the occupancy of metal ions is defined as the number of metal ions relative to the number of metal ion sites within two consecutive layers constituting a unit cell with a hexagonal close-packed structure in the halide, the sum of the occupancies of metal ions within the two layers is 0.888 or less.
BOPI
Sede Electrónica
