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1190
resultados
Última actualización
25/10/2026 [07:33:00]
Resultados 1075 a 1100 de 1190
Resumen de: US20260314697A1
A vaporizer insertable into a battery rod so as to drive the vaporizer includes: a driving chip; and a driving identification circuit connected to the driving chip. When the vaporizer is inserted in the battery rod, the driving chip determines that the vaporizer is forwardly inserted or reversely inserted through the driving identification circuit and controls the driving identification circuit to operate in a forward insertion mode or a reverse insertion mode.
Resumen de: US20260321609A1
The present disclosure relates to a negative electrode active material, a method for manufacturing a negative electrode active material, a negative electrode composition, a negative electrode for a lithium secondary battery including the same, and a lithium secondary battery including a negative electrode, are provided.
Resumen de: CN118173899A
The invention provides a battery cell and electric equipment. The battery cell comprises an electrode assembly, the electrode assembly comprises a plurality of first pole pieces, a plurality of second pole pieces and a diaphragm, and the first pole pieces and the second pole pieces are arranged in a stacked mode in the first direction; each first pole piece comprises a first current collector and a first active material layer, the first current collector comprises a first coating region and a first empty foil region, the first empty foil region exceeds the diaphragm along a second direction, and the first empty foil regions of the plurality of first pole pieces are stacked and folded along the first direction; the diaphragm is provided with an edge portion exceeding the first coating area in the second direction, and a notch is formed in the edge portion and located on the side, close to the first coating area in the third direction, of the first empty foil area. According to the technical scheme, the overlapped part of the edge part of the diaphragm and the first empty foil area can be folded and bent along with the first empty foil area, and other parts of the edge part of the diaphragm are not easy to deform, so that the possibility of contact short circuit of the first pole piece and the second pole piece can be reduced, the risk of thermal runaway of the battery cell is further reduced, and the safety of the battery cell is improved.
Resumen de: US20260321919A1
A battery cell, a battery, and an electric apparatus are disclosed. The battery cell includes a housing, an electrode assembly, and an electrode terminal . The housing includes a first wall. The electrode assembly is accommodated within the housing. The electrode terminal includes a terminal body and a reinforcing member. The terminal body is disposed on the first wall and electrically connected to the electrode assembly. The reinforcing member is connected to an end of the terminal body in a thickness direction of the terminal body. Based on the above structure, the electrode terminal can achieve higher structural strength, thereby reducing the risk of cracking of the electrode terminal due to stress concentration or inadequate structural strength, and extending the service life of the electrode terminal and the battery cell.
Resumen de: US20260321897A1
A cell assembly may include a cell block including a plurality of cells and drawn out electrode leads, a busbar frame coupled to the cell block and including a busbar electrically connected to an electrode lead of the cell block, and a pair of side beams coupled to the busbar frame to support both sides of the cell block. In addition, at least one of the pair of side beams may be coated with an insulating material at a lower end thereof.
Resumen de: US20260321796A1
0000 A battery module includes a plurality of individual battery cells in a housing and an integrated module heater where the integrated module heater is a foam material which is disposed in an electric circuit together with a switching element. The foam material is electrically conductive and fixes the plurality of individual battery cells in the housing and when the switching element is switched on an electric current flows through the foam material and heats the foam material.
Resumen de: US20260321575A1
The present invention relates to a lithium secondary battery having high capacity and high stability through magnetic field application and, to a lithium secondary battery which maintains a stable battery capacity even under fast-charging conditions, and which can recycled. A method for manufacturing the lithium secondary battery, according to the present invention, can form a stable SEI film on the surface of an electrode inside a cell. Therefore, lifespan characteristics of a battery are improved, output characteristics thereof are enhanced, battery capacity can be stably maintained even under fast-charging conditions, and battery resistance decreases, thereby enabling battery recycling.
Resumen de: US20260321588A1
A first negative electrode active material including a Li-doped first silicon oxide phase with dispersed silicon phases, and a second negative electrode active material including a Mg-doped second silicon oxide phase with dispersed second silicon phases. A film thickness of a negative electrode active material layer being T, a region of the negative electrode active material layer ranging in depth from the first surface to 0.5T is a lower layer portion, and a region of the negative electrode active material layer ranging in depth from the second surface to 0.5T is an upper layer portion, a content ratio Cb on a mass basis of the first negative electrode active material to the sum of the first and second negative electrode active materials in the lower layer portion is larger than a content ratio Ct in the upper layer portion.
Resumen de: US20260317187A1
0000 Provided is a lithium iodide nonaqueous solution containing: a nonaqueous solvent; and lithium iodide, the lithium iodide nonaqueous solution having a water content per unit of lithium iodide (Y/X) of 7 or lower and an acid-derived component content of 4000 ppm or lower, the water content per unit of lithium iodide (Y/X) being determined as a ratio of a water content Y (ppm) of the lithium iodide nonaqueous solution to a lithium iodide concentration X (% by weight) of the lithium iodide nonaqueous solution.
Resumen de: US20260321920A1
A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case connected to the first electrode to house the electrode assembly and including an opening to receive the electrode assembly; a cap plate coupled with the case to cover an outer region of the opening and including a through-hole to expose a center region of the opening; and a terminal plate connected to the second electrode to be insulated from and bonded to the cap plate, and including a flange part covering the through-hole and a protruded part penetrating the through-hole from the flange part.
Resumen de: US20260321656A1
0000 Provided is a positive electrode composite material for an all-solid-state sodium-ion secondary battery that can effectively increase the capacity of the secondary battery. A positive electrode composite material for an all-solid-state sodium-ion secondary battery contains a positive-electrode active material and a solid electrolyte containing at least one type of material selected from the group consisting of β″-alumina, β-alumina, and NASICON crystals, and contains crystals having a main peak at 33° to 34° when measured by powder X-ray diffraction.
Resumen de: US20260321797A1
0000 A device for heating a drive battery consisting of a plurality of battery cells connected in series, with a converter for feeding a high-frequency alternating current into the drive battery, wherein the converter is connected to a first AC terminal via one or more series capacitors to a first pole of the drive battery, connected to a second pole of the drive battery via one or more series capacitors, connected to the series connection of battery cells, preferably at the center, via a second AC terminal, and connected to a DC source via its DC terminals.
Resumen de: US20260321617A1
0000 A Na-ion layered metal oxide material and a preparation method thereof, and a cathode material and a Na-Ion Battery are provided. The Na-ion layered metal oxide material has a chemical formula being Na
Resumen de: US20260321871A1
A housing (20) includes a shell (21) and a pressure relief assembly (23). The shell (21) has a pressure relief hole (211). The pressure relief assembly (23) is configured to block the pressure relief hole (211), and the pressure relief assembly (23) includes an adhesive layer (231), where the adhesive layer (231) is adhered to the shell (21), and the adhesive layer (231) is configured to lose adhesion when a temperature inside the shell (21) reaches a threshold temperature, so as to open the pressure relief hole to release pressure inside the shell (21). An adhesion area of the adhesive layer (231) is S, 2 mm2≤S≤10 mm2. When the adhesive layer (231) of the pressure relief assembly (23) loses adhesion upon heating, the pressure relief hole (211) is opened.
Resumen de: US20260321755A1
The present application provides an electric vehicle and a battery system. The electric vehicle comprises: a frame; a first power consumption unit and a second power consumption unit, the first power consumption unit and the second power consumption unit being connected to the frame; and a battery system, comprising a first power supply unit and a second power supply unit, the first power supply unit and the second power supply unit each comprising at least one battery pack, the first power supply unit supplying power to the first power consumption unit, and the second power supply unit supplying power to the second power consumption unit, wherein the at least one battery pack can supply power to a handheld tool.
Resumen de: US20260321808A1
0000 Disclosed herein are a pouch type secondary battery and a method for manufacturing the same. A pouch type secondary battery may include an electrode assembly having a first width and a pouch type exterior in which a recess part configured to accommodate the electrode assembly is formed. The recess part may include a main recess part and a sub recess part. The main recess part may have a space defining a second width that is equal to or greater than the first width. The sub recess part may communicate with the main recess part and define a space having a third width less than the first width.
Resumen de: US20260322905A1
Embodiments of this application provide a foldable electronic device and a control method. A first battery is in a first charging branch, and a second battery is in a second charging branch; the first charging branch includes M current control elements; and the electronic device further includes a control unit, and the control unit is configured to increase, when a current that charges the first battery in the first charging branch is greater than a first preset threshold, resistance values of some or all of the M current control elements, to cause an adjusted current that charges the first battery in the first charging branch to be less than or equal to the first preset threshold.
Resumen de: US20260321789A1
Provided in this disclosure is a battery pack system including battery modules each including battery cells. An air-tight, sealed enclosure retains the battery modules. A battery manager controls operation of each of the battery modules. One or more thermal runaway shield (TRS) pouches are associated with each of the battery modules. The TRS pouches include a thermally cooling fluid that ruptures into the battery module from heat produced in a thermal runaway event in the battery module. A pressure monitoring sensor detects an increase in air pressure within the sealed enclosure associated with gas released from the thermal runaway event in the battery cells in the battery modules. A communication component transmits a pressure signal from the pressure monitoring sensor to the battery manager for implementing a subsequent management step of the battery pack system.
Resumen de: US20260321731A1
0000 A lithium secondary battery, a preparation method therefor, and an electrical apparatus are provided. The lithium secondary battery includes an electrolyte solution comprising a first solvent, a first additive, and a second additive, wherein the first solvent comprises a carboxylic ester compound. A reduction potential of the carboxylic ester compound relative to Li+/Li is less than or equal to 1.4 V, a reduction potential of the first additive relative to Li+/Li is greater than or equal to 1.4 V, and a reduction potential of the second additive relative to Li+/Li is greater than or equal to 1.0 V and less than 1.4 V. The electrolyte solution improves formation of a stable and compact solid electrolyte interphase (SEI) film, thereby reducing gas generation during cycling and storage and improving overall battery performance.
Resumen de: US20260321634A1
Disclosed is an anode active material slurry for coating an anode current collector for a secondary Li-ion battery, comprising: i) 80 to 98 wt. % of at least one anode active material;ii) 0 to 5 wt. % of at least one conductive material;iii) 0.1 to 5 wt. % of at least one alkali-swellable emulsion;iv) 0 to 5 wt. % of at least one latex binder;v) 0 to 5 wt. % of at least one further component selected from a specific group, andvi) at least one solvent, in particular water. wherein the at least one alkali-swellable emulsion is an emulsion- or suspension copolymerizate of a nonionic monomer comprising butadiene, styrene or at least one (meth)acrylate monomer, and optionally acrylonitrile, and an olefinically unsaturated carboxylic acid or olefinically unsaturated carboxylic acid salt, wherein the (meth)acrylate monomer is a C1- to C4-alkyl (meth)acrylate monomer, the alkali-swellable emulsion is not hydrophobically modified.
Resumen de: US20260321651A1
The present invention relates generally to the field of electrical energy storage in rechargeable secondary batteries of Li-ion type. More specifically, the invention relates to an electrode formulation for a Li-ion battery, comprising a binder based on a mixture of fluoropolymers. The invention also relates to a process for preparing electrodes using said formulation, by a technique of solvent-free deposition on a metal substrate. The invention relates finally to an electrode obtained by this process and also to Li-ion secondary batteries comprising at least one such electrode.
Resumen de: US20260322150A1
0000 Battery configuration for gas engine replacement device. One embodiment provides a gas engine replacement device (10) including a housing (14) and a first battery pack (50) and a second battery pack (50) connected to the housing (14). The gas engine replacement device (10) also includes a motor (36) within the housing (14) and a power switching network (310) coupled to the motor (36), the first battery pack (50), and the second battery pack (50) and configured to drive the motor (36). The gas engine replacement device (10) further includes an electronic processor (302) coupled to the power switching network (310) and configured to sequentially discharge the first battery pack (50) and the second battery pack (50) to the power switching network (310) to drive the motor (36).
Resumen de: US20260321719A1
Provided are a method for producing a solid electrolyte sheet and a solid electrolyte sheet, wherein, in a firing step during formation of the solid electrolyte sheet, the shrinkage of the sheet can be suppressed. A solid electrolyte sheet 10 includes: a first solid electrolyte layer 12 being a dense layer; and a second solid electrolyte layer 13 provided on at least one principal surface 12a, 12b of the first solid electrolyte layer 12 and being a porous layer, wherein a first solid electrolyte contained in the first solid electrolyte layer 12 has a smaller average crystal grain size than a second solid electrolyte contained in the second solid electrolyte layer 13.
Resumen de: US20260321909A1
0000 An electrode plate for power storage device use includes an elongated sheet-shaped current collector having a first main surface and a second main surface, and a first active material layer provided on the first main surface. The first main surface has at least one first uncoated portion located at one end of the current collector in the widthwise direction, and on which the first active material layer is not provided. The first uncoated portion has a first longitudinal edge coinciding with a part of the outer edge of the current collector, paired first widthwise edges extending in the widthwise direction from the endpoints of the first longitudinal edges, and a first connection edge connecting the endpoints of the paired first widthwise edges. Half or more of the first connection edge extends obliquely relative to the longitudinal direction of the current collector.
Nº publicación: US20260321718A1 15/10/2026
Solicitante:
SUMITOMO CHEMICAL CO LIMITED [JP]
KYOTO UNIV [JP]
SUMITOMO CHEMICAL COMPANY, LIMITED
Kyoto University
Resumen de: US20260321718A1
0000 An ion conductive substance includes: an alkali metal element; a tetravalent metal element M; a halogen element; a dopant element X; and an oxygen element, in which a content of the dopant element X is 50% by mol or less with respect to a content of the metal element M, and in an X-ray diffraction chart obtained from measurement using a CuKα radiation at 25° C., the ion conductive substance has a diffraction peak having a half-value width of 2.0° to 10° within a range of 2θ angle of 10° to 20°.
BOPI
Sede Electrónica
