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1111
resultados
Última actualización
26/01/2026 [07:08:00]
Resultados 25 a 50 de 1111
Resumen de: WO2026016501A1
A metal battery and an electric device. The metal battery comprises a positive electrode sheet, a negative electrode sheet and an electrolyte, wherein the positive electrode sheet comprises a positive electrode film layer; the positive electrode film layer comprises a binder and a positive electrode active material; the positive electrode active material comprises a metal element; and on the basis of the total mass of the positive electrode film layer, the fluorine content of the positive electrode sheet is less than or equal to 385 ppm. During the charging process, metal ions are removed from the positive electrode active material, and the metal ions are reduced into and deposited as metal on the negative electrode sheet; and during the discharging process, the metal is oxidized into and dissolved as the metal ions. The difference between the lowest unoccupied molecular orbital energy level, i.e., LUMO2 energy level, of the solvent of the electrolyte and the lowest unoccupied molecular orbital energy level, i.e., LUMO1 energy level, of the metal state corresponding to the metal element in the positive electrode active material is y=LUMO2 energy level-LUMO1 energy level, where 0≤y. The metal battery has a relatively good discharge gram capacity and initial coulombic efficiency.
Resumen de: WO2026016481A1
A positive electrode active material. The positive electrode active material comprises a lithium manganese oxide. An X-ray diffraction spectrum of the positive electrode active material has a first diffraction peak θ1 and a second diffraction peak θ2 within a range from 17° to 20°. A peak position difference Δθ1 between the first diffraction peak and the second diffraction peak satisfies 0<Δθ1<2, and the peak intensity IB of the second diffraction peak and the peak intensity IA of the first diffraction peak satisfy 0
Resumen de: US20260024887A1
A battery and an electronic device are provided. The battery includes a housing assembly, a bare cell, and an electrode adapting piece. The bare cell is disposed within the housing assembly and includes a positive electrode piece, a negative electrode piece, and a separator. The positive electrode piece, the separator, and the negative electrode piece are stacked sequentially and wound around a winding axis. An end of the bare cell along the winding axis is provided with a tab. The electrode adapting piece is welded with the tab, and forms at least one continuous welding mark. At least part of the welding mark extends from an outer periphery of the bare cell to an inner periphery. The welding mark includes an arc segment, and a curvature radius at any point of the welding mark is greater than or equal to 0.5 mm.
Resumen de: US20260024880A1
A connector module according to an embodiment of the present invention may include a first connector including a first connector housing and a first conductive part coupled to the first connector housing, and a second connector coupled to the first connector. The second connector may include a second connector housing including a frame inserted into and coupled to the first connector and a connection part connected to one surface of the frame and coupled to the first connector, a second conductive part of which at least a portion is inserted into and coupled to the frame so as to be electrically connected to the first conductive part, and a coupling housing configured to surround the second connector housing so as to couple the second connector housing to the second conductive part and restrict separation of the connection part from the frame through a stepped structure.
Resumen de: US20260024875A1
Disclosed is a battery pack, including: a casing, the casing having an exhaust channel; multiple cells, the multiple cells being all disposed in the casing, and the gas discharged from the cell being adaptable to be discharged out of the casing through the exhaust channel; an intercepting structure, disposed in the exhaust channel, the intercepting structure having an intercepting surface, the intercepting surface being configured to intercept particles mixed in the gas discharged from the cell. By setting an intercepting structure in the exhaust channel of the casing, the battery pack provided by the present disclosure may intercept the particles in the gas sprayed from the cell when the cell experiences thermal runaway, thereby preventing the particles from continuing to flow with the gas in the casing, preventing the particles from causing adverse effects on the devices in the battery pack and blocking the casing explosion-proof valve.
Resumen de: US20260024874A1
A battery cell assembly includes a housing, at least one electrode stack, a cooling plate, an insert, and a fluid flow path. The housing includes a first end and a second end and defines a cavity, the first end including terminals and the second end defining a vent. The at least one electrode stack is disposed within the cavity and includes interior portions defining a central space, the central space being aligned with the vent. The cooling plate is coupled to the second end of the housing. The insert is disposed within the central space of the at least one electrode stack. The fluid-flow path is selectively defined within the insert and directed toward the vent.
Resumen de: US20260024955A1
A battery connector separation apparatus comprises two insertion heads, a cap, an insertion chamber, and at least one guide pin. By aligning the two insertion heads parallel to each other, the insertion chamber is created for placing the connector. The apparatus is customizable for various connectors that can be inserted using interchangeable insertion heads. The apparatus is configured to mount onto a plier-like device with two handles, one pivot point, two jaws, and one compression spring. Separation occurs when the lower ends of pliers-like device handles are squeezed together after the connector is placed within the chamber. The disclosure herein details the customizable structure and method of use of the connector separation apparatus for electrical battery connections.
Resumen de: WO2026018394A1
Provided is a means capable of increasing discharge capacity in a lithium secondary battery in which manganese dioxide is used as a positive electrode active material and which contains a solid electrolyte. This lithium secondary battery has a power generation element comprising: a positive electrode which has a positive electrode active material containing manganese dioxide and a positive electrode active material layer containing a first solid electrolyte; a negative electrode which has a negative electrode active material layer containing a negative electrode active material; and a solid electrolyte layer which is located between the positive electrode and the negative electrode and contains a second solid electrolyte, wherein the average secondary particle diameter of the manganese dioxide is less than 2 μm, and the average secondary particle diameter of the manganese dioxide is less than 0.9 in relation to the average secondary particle diameter of the first solid electrolyte.
Resumen de: WO2026018863A1
Provided is a cover protector capable of maintaining excellent adhesive performance without delamination of a multilayer structure even when exposed to high heat or flames from a battery cell causing thermal runaway, and thereby capable of protecting a heat insulating material from scattered matter and maintaining excellent heat insulating performance. The cover protector (1) has a heat insulating material (2) and an inorganic fiber sheet (3) adhered to the heat insulating material (2) by an adhesive (4). The oxygen index of the cover protector (1) is greater than 24.7% as measured in accordance with JIS K7201-2, and the viscosity at 250°C of an adhesive material constituting the adhesive (4) is 40 Pa·s or more.
Resumen de: WO2026018395A1
The purpose of the present invention is to provide a means that, by using manganese dioxide as a positive electrode active material, is capable of increasing discharge capacity of a lithium secondary battery including a solid electrolyte. The present invention provides a lithium secondary battery that is provided with a power generation element comprising: a positive electrode that has a positive electrode active material layer containing, as a positive electrode active material, manganese dioxide having a specific surface area of 20 m2/g or less and containing a first solid electrolyte; a negative electrode that has a negative electrode active material layer containing a negative electrode active material; and a solid electrolyte layer that is interposed between the positive electrode and the negative electrode and that contains a second solid electrolyte.
Resumen de: WO2026018591A1
Provided is a secondary battery in which charge/discharge characteristics can be improved. The secondary battery comprises: a positive electrode that includes positive electrode active material particles; a negative electrode; and an electrolyte that contains an aqueous solvent. The positive electrode active material particles include a lithium manganese composite oxide having a spinel crystal structure. The pH of the electrolyte is smaller than 9. The ratio I2/I1 of the maximum value I1 of scattered light intensity in the range of 600 cm-1 to 700 cm-1 and the maximum value I2 of scattered light intensity in the range of 950 cm-1 to 1000 cm-1 as measured by Raman spectroscopy using excitation light of 532 nm on the surface of the positive electrode active material particles is 0.2 to 2, inclusive. The molar ratio of phosphorus to manganese as measured by X-ray photoelectron spectroscopy on the surface of the positive electrode active material particles is 0.2 to 5, inclusive.
Resumen de: WO2026016211A1
Disclosed is an electrolyte for a secondary lithium metal battery, comprising an organic solvent, a first lithium salt, a second lithium salt, and an additive. The additive comprises a fluoride of an element from group IIIA and a nitrate of an element from group IIIA. The group IIIA elements are selected from a group composed of gallium, indium, and thallium, and combinations thereof. The electrolyte formulation in the present invention can promote the uniform deposition of lithium metal and reduce the formation of lithium dendrites, thereby significantly increasing the number of cycles of the lithium metal battery and prolonging the lifespan of the lithium metal battery.
Resumen de: WO2026016286A1
The present application provides a method for determining the length of a strap of a battery module. The method comprises: calculating a theoretical geometric length of a strap on the basis of a geometric size of a battery module; calculating a theoretical pre-tightening force of the strap on the basis of a pre-tightening force requirement of the battery module; performing a tensile test on the strap to obtain a linear coefficient between the amount of deformation and a tensile force of the strap; and determining whether the linear coefficient falls within a predetermined interval, and if yes, correcting the theoretical geometric length on the basis of the product of the theoretical pre-tightening force and the linear coefficient to obtain a corrected length of the strap.
Resumen de: WO2026016283A1
A press-to-open sealing cover and a sealing box. The press-to-open sealing cover comprises a top cover body (1), a bottom cover body (2), a pressable member (3), a sealing member (4), and a transmission mechanism (5). The top cover body and the bottom cover body are movably arranged relative to one another, the pressable member is slidably arranged on the top cover body in the axial direction, the sealing member is arranged on the bottom cover body, one end of the transmission mechanism is connected to the pressable member, and the other end of the transmission mechanism is connected to the bottom cover body. Pressing the pressable member drives the transmission mechanism to drive the bottom cover body to move in the axial direction relative to the top cover body, so as to drive the sealing member to move. According to the press-to-open sealing cover, the pressable member is linked with the bottom cover body by means of the transmission mechanism, and pressing the pressable member drives the transmission mechanism to drive the bottom cover body to move in the axial direction relative to the top cover body, to thus drive the sealing member to move. For a user, the state of the sealing cover can be changed by simply pressing the pressable member, and the opening and closing of the cover can be easily, effortlessly, and conveniently completed with one hand.
Resumen de: WO2026016273A1
A battery (100) and a battery module (200). The battery (100) comprises a battery cell (110) and an insulation sheet (120), wherein the battery cell (110) has a top surface (1101) and a bottom surface (1102) opposite each other, and the top surface (1101) is provided with at least one terminal (111); and the insulation sheet (120) is arranged on the side of the top surface (1101) away from the bottom surface (1102), the insulation sheet (120) is provided with a connection region (121), the connection region (121) is exposed from the top surface (1101), and a press strip (20) is connected to the battery cell (110) by means of the connection region (121).
Resumen de: US20260024873A1
A battery cell, a battery, and an electrical apparatus. The battery cell comprises an electrode assembly, a housing, and a pressure relief part. The electrode assembly comprises a positive pole piece and a negative pole piece. The positive pole piece and the negative pole piece are stacked to form a straight flat region. The housing is used for accommodating the electrode assembly, wherein the housing comprises a first wall part and two second wall parts. The two second wall parts are respectively located on two sides of the straight flat region. The pressure relief part is arranged on the first wall part, and the pressure relief part is formed with a score groove. First weak sections and second weak sections are formed at the bottom of the score groove, and the thickness of the second weak sections is less than the thickness of the first weak sections.
Resumen de: US20260024900A1
A battery module, a battery, and a power-consuming apparatus are disclosed. The battery module includes a battery group, an end plate arranged on a side of the battery group in a first direction, and an insulation member positioned between the battery group and the end plate. An avoidance region is formed at a corner of the end plate, and a corresponding corner region of the insulation member is fixedly connected to the battery group. This configuration reduces warping or separation of the insulation member at the corner, enhances structural stability between the insulation member, end plate, and battery group, and minimizes interference with the end plate assembly region. As a result, the assembly difficulty of the battery module is lowered and the assembly quality is improved.
Resumen de: US20260024883A1
A busbar assembly according to an embodiment of the present disclosure includes: a busbar; a glass fiber layer covering the busbar; a fire resistant silicone layer covering the busbar and disposed in an empty space of the glass fiber layer; and a glass fiber tape covering the fire resistant silicone laver.
Resumen de: US20260024865A1
A battery pack includes: a cell module assembly including a battery cell stack in which a plurality of battery cells is stacked; a pack case accommodating the cell module assembly; and a latch removably mounted in the pack case, and configured to couple adjacent battery packs.
Resumen de: US20260024872A1
A battery cell, a battery and an electric device. The battery cell comprises: an electrode assembly, which comprises at least one positive electrode sheet and at least one negative electrode sheet; and a casing, which is configured to accommodate the electrode assembly, and comprises a first wall portion, wherein the first wall portion is provided with a pressure relief portion, the pressure relief portion being provided with an indented groove, and the pressure relief portion being configured to crack along at least part of the indented groove when the battery cell is subjected to pressure relief; and the thickness dimension of the first wall portion is E1, which satisfies 0.4 mm≤E1≤2 mm.
Resumen de: WO2026018527A1
A battery deterioration estimation system (101) comprising: a use history acquisition unit (41) that acquires a use history (A) of a plurality of batteries (1a) included in a battery pack (1); a simple measurement data acquisition unit (42) that acquires simple measurement data (B) of the plurality of batteries (1a); and a deterioration calculation unit (44) that calculates battery deterioration performance (D) on the basis of the use history (A) acquired by the use history acquisition unit (41) and the simple measurement data (B) acquired by the simple measurement data acquisition unit (42). The deterioration calculation unit (44) calculates a reference deterioration performance (Da) from the use history (A), and corrects the reference deterioration performance (Da) to the battery deterioration performance (D) on the basis of the simple measurement data (B).
Resumen de: WO2026018044A1
A deterioration state estimation device (1) that estimates a deterioration state of a secondary battery comprises: a storage unit that stores initial data of an initial state of a secondary battery; an acquisition unit (11) that acquires an electric current and a voltage of the secondary battery; and a deterioration state estimation unit (13) that estimates a deterioration state of the secondary battery. The initial data includes data of initial battery characteristics indicating a relationship between an electric current integrated value and a positive electrode OCP of the secondary battery in an initial state. The deterioration state estimation unit (13) calculates the electric current integrated value and the positive electrode OCP of the secondary battery after deterioration on the basis of the electric current and the voltage of the secondary battery acquired by the acquisition unit (11), and estimates a positive electrode deterioration degree of the secondary battery on the basis of the difference between the initial battery characteristics and post-deterioration battery characteristics indicating the relationship between the electric current integrated value and the positive electrode OCP of the secondary battery after deterioration.
Resumen de: WO2026018389A1
Provided is a method for manufacturing an all-solid-state battery, namely an all-solid-state battery containing Li metal or an Li alloy in a negative electrode, said method making it possible at the time of manufacture to easily detect the presence or absence of a short-circuit cell before a plurality of battery cells are connected in parallel. This method for manufacturing an all-solid-state battery comprises: a pressing step for pressing a laminate consisting of a repeating arrangement of a negative electrode containing lithium metal or a lithium alloy, a solid electrolyte layer and a positive electrode, thereby forming an all-solid-state battery laminate in which a plurality of battery cells are laminated; a leaving step for leaving the all-solid-state battery laminate; a measurement step for measuring data resulting from the thickness of the battery cells after the leaving step; and a detection step for detecting the presence or absence of a short circuit in the battery cells on the basis of the data obtained in the measurement step. From the start of the pressing step to the end of the detection step, a state in which current collectors of the same electrode are not electrically connected to one another is maintained.
Resumen de: WO2026018231A1
The present invention relates to a battery pack for controlling charging or discharging, and a controlling method thereof, the charging/discharging control allowing charging current between battery packs to be consumed to protect the battery packs, thereby solving an impedance difference between battery packs, which occurs when the battery packs are connected in parallel in a low-temperature or high-temperature environment.
Nº publicación: WO2026016267A1 22/01/2026
Solicitante:
EVE ENERGY CO LTD [CN]
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Resumen de: WO2026016267A1
Provided in the present application are a battery module and a battery pack. A cell module comprises a side surface and a bottom surface; a vapor chamber comprises a side plate and a bottom plate. The bottom plate is attached to the bottom surface, and a condensation portion is provided in the bottom plate and used for heat exchange with an external liquid cooling structure. The side plate is connected to the bottom plate and attached to the side surface, and an evaporation portion is provided in the side plate and used for heat exchange with the cell module. The present application can improve the heat exchange efficiency between the vapor chamber and battery cells and enhance temperature uniformity, thereby achieving the effect of equalizing the temperature differences between the battery cells.
BOPI
Sede Electrónica
