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847
resultados
Última actualización
15/07/2026 [08:03:00]
Resultados 300 a 325 de 847
Resumen de: WO2026144509A1
The present application is applicable to the technical field of batteries. Provided are a battery apparatus (10) and an electrical apparatus. The battery apparatus (10) comprises a box body (2) and a plurality of battery cell assemblies (1). The box body (2) is provided with a first accommodating cavity (201), wherein the first accommodating cavity (201) is provided with a first inner wall (2011), and a second inner wall (2012) connected to the periphery of the first inner wall (2011); and on a projection plane perpendicular to a first direction (Z), the area of the orthographic projection of the first inner wall (2011) is a first area (S). The plurality of battery cell assemblies (1) are arranged in the first accommodating cavity (201) in a second direction (Y), and are arranged in the first direction (Z) with the first inner wall (2011). Each battery cell assembly (1) comprises N battery cells (11) arranged in a third direction (X), wherein the maximum dimension of each battery cell (11) in the third direction (X) is a first dimension (L1), the maximum dimension of each battery cell (11) in the second direction (Y) is a second dimension (L2), and at least one end of each battery cell (11) in the second direction (Y) is provided with an electrode terminal (111); and N≥1, N being a positive integer, and the first area (S)/(N*the first dimension (L1)*the second dimension (L2))∈3, 8. In this way, the battery apparatus (10) can take into account both energy density and tempe
Resumen de: US20260196581A1
0000 The present application discloses a rechargeable lithium battery without a charging port and a manufacturing method thereof. The lithium battery includes a first negative electrode metal casing, a voltage regulation circuit board, a low-voltage positive electrode cap, a high-voltage positive electrode connector, a lithium battery cell, a low-voltage positive/negative electrode insulating spacer, and an insulating housing, wherein an upper end of the first negative electrode metal casing is inwardly provided with a first flange; an upper surface of the voltage regulation circuit board is provided with a negative electrode copper ring and a positive electrode copper ring; the voltage regulation circuit board is welded to an inner side of the first flange of the first negative electrode metal casing through the negative electrode copper ring; and the high-voltage positive electrode connector is arranged on an inner surface of the voltage regulation circuit board.
Resumen de: WO2026143990A1
The present application relates to the technical field of batteries, and discloses a separator and a secondary battery. In the separator of the present application, an organic coating containing inorganic particles is provided on an organic substrate. By controlling the size distribution of the inorganic particles and regulating the relationship between the size of the inorganic particles in the coating and the coating thickness, the overall adhesion of the coating can be effectively improved, and the separator has good dimensional stability at different temperatures, good electrolyte wettability, and high ion transport efficiency. When the separator is applied to the secondary battery, long cycle life and high safety can be achieved.
Resumen de: US20260196684A1
0000 A tab threading device for a battery, and an assembly apparatus are disclosed. The battery comprises a case and an electrode assembly, wherein the case is provided with an accommodating cavity and through holes. The tab threading device is used for guiding tab parts of the electrode assembly to extend out through the through holes. The tab threading device comprises a clamping mechanism and a driving mechanism, wherein the clamping mechanism comprises a first clamping member and a second clamping member; and the driving mechanism is configured to drive the first clamping member and/or the second clamping member to move, so that the first clamping member and the second clamping member can clamp the tab parts to pass through the through hole and extend from the accommodating cavity.
Resumen de: US20260196636A1
A battery caddie includes: a body having one or more receptacles for receiving one or more batteries; a cover movable between an open position which exposes the one or more receptacles, and a closed position; a charging connector; and an electrical connection between the charging connector and the one or more receptacles.
Resumen de: US20260196580A1
A battery unit includes a battery module, a monitoring unit that acquires, as primary monitoring information, a detection result obtained by a detection unit that detects a state of the battery module, and a control unit that receives the primary monitoring information from the monitoring unit and calculates secondary monitoring information by arithmetic processing based on the primary monitoring information. The monitoring unit includes a storage unit in which history information indicative of a history of at least one of the primary monitoring information or the secondary monitoring information is stored. The control unit is detachable from an assembly including the battery module and the monitoring unit.
Resumen de: US20260196515A1
0000 Provided is a binder for a solid-state electrolyte battery, comprising a polymer comprising a segment A having a glass transition temperature of 25° C. or less and a segment B having a melting point of 50° C. or more.
Resumen de: WO2026144002A1
Disclosed in the present application is a cell data processing apparatus. The cell data processing apparatus comprises: a battery module, which comprises a plurality of battery cells; a data collection module, which is configured to transmit parameter data of each of the battery cells to a data receiving module by means of wireless transmission; the data receiving module, which is configured to transmit to a battery management module the parameter data transmitted by the data collection module; and the battery management module, which is configured to perform data analysis on the parameter data to obtain an analysis result.
Resumen de: WO2026145049A1
A cover plate assembly, a battery, and a battery module. The cover plate assembly comprises a terminal, a cover plate, and a busbar disc. The busbar disc comprises a top wall and a bottom wall. The top wall comprises a first portion and a second portion connected to each other. The bottom wall comprises a third portion and a fourth portion connected to each other. The third portion and a battery cell are spaced apart. The first portion is connected to the cover plate.
Resumen de: WO2026144181A1
The present application provides an electrode sheet and a battery. The electrode sheet comprises a current collector, wherein an active material layer is provided on the surface of at least one side of the current collector in a thickness direction; the active material layer comprises a first opening and a second opening; the first opening and the second opening are spaced apart in a width direction of the active material layer; in the width direction of the active material layer, the side of the first opening away from the second opening is communicated with the edge of the active material layer in a length direction, and both the first opening and the second opening are configured to be connected to tabs.
Resumen de: WO2026145158A1
The present application belongs to the technical field of batteries. Disclosed are a battery device and an electric device. The battery device comprises a battery cell assembly and a thermal management component, the battery cell assembly comprising a plurality of battery cells arranged in a first direction. The thermal management component is arranged on one side of the battery cell assembly in a second direction, and is configured to adjust the temperature of the battery cells, and the second direction intersects the first direction. The heat exchange efficiency between the thermal management component and the battery cell of the battery cell assembly located at at least one of the two ends of the battery cell assembly in the first direction is less than the heat exchange efficiency between the thermal management component and any battery cell located between the two ends thereof in the first direction. The battery device has high reliability.
Resumen de: US20260196575A1
0000 An electrochemical device includes a positive electrode plate. The positive electrode plate includes a positive electrode current collector, a first coating layer, and a positive electrode material layer; the first coating layer is disposed on a surface of the positive electrode current collector; the positive electrode material layer is disposed on a surface of the first coating layer facing away from the positive electrode current collector; the first coating layer includes a first main material and a first binder; the first main material includes a solid-state electrolyte; a carbon material is provided on a surface of the solid-state electrolyte; the first main material has a Dv50 of 50 nm to 200 nm; and the first coating layer has a thickness of 0.5 μm to 2 μm.
Resumen de: US20260196556A1
0000 A poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP)-@polyethylene glycol (PEG)-based electrolyte, a preparation method thereof, and a lithium battery including the same are provided. Two polymer phases are mixed in a solvent to produce a precursor solution, and the precursor solution is continuously stirred at room temperature for thorough mixing, then casted, and subjected to room-temperature drying and high-temperature crosslinking successively under vacuum to produce a polymer-based membrane. The polymer-based membrane is soaked in an electrolyte to produce a target polymer-based electrolyte. The target polymer-based electrolyte is cut into an electrolyte sheet with specific dimensions, and then used to assemble a lithium metal battery. With a “slight crosslinking” strategy proposed herein, polyethylene glycol diamine can be combined with a PVDF-HFP matrix to produce a crosslinked polymer possessing a stable structure without introducing any catalyst or crosslinking agent. This crosslinked polymer can significantly enhance the electrochemical performance, mechanical properties, and chemical/thermal stability of an electrolyte.
Resumen de: WO2026143759A1
Provided in the present invention are a positive electrode material and a preparation method therefor, a positive electrode sheet and a sodium-ion battery. The positive electrode material comprises composite particles, the molecular formula of the composite particles being Na4MxMn1-x/2V(PO4)3-x/3Nx, wherein 0.001≤x≤0.05, M is Li and/or K, and N is selected from one or more of F, Cl, Br and I. In the present invention, specific types of anions and cations having specific contents are synchronously introduced into a polyanionic phosphate positive electrode active material, and the anions and the cations generate a good synergistic effect; therefore, the intrinsic conductivity and structural stability of the positive electrode material are more significantly improved, and the regulation and control of the morphology and size of particles thereof are also achieved, thereby promoting significant improvements in the comprehensive properties such as specific capacity, rate capability, cycling stability and compaction density of the positive electrode material.
Resumen de: US20260194597A1
0000 A battery monitoring device includes: a storage that stores relational data indicating a relationship between a state of a secondary battery and a resistance component that varies with the state of the secondary battery among a plurality of resistance components included in an impedance of the secondary battery; an impedance obtainer that obtains an impedance of a target secondary battery for monitoring; and an arithmetic processor that calculates, based on the impedance obtained by the impedance obtainer, a value of a resistance component that varies with a state of the target secondary battery for monitoring, to estimate the state of the target secondary battery for monitoring, based on the value of the resistance component and the relational data.
Resumen de: US20260196550A1
0000 The tape forming jig includes a forming plate including a plate body, and a forming hole formed through the thickness direction of the plate body and configured such that the diameter thereof becomes narrower from a first surface of the plate body to a second surface opposite to the first surface. The tape forming jig also includes a forming block provided to be able to enter the forming hole with a cross-section corresponding to the shape of the forming hole as viewed from the outside of the second surface of the plate body. A jelly roll taping device includes the tape forming jig. A jelly roll taping method utilizes the tape forming jig.
Resumen de: WO2026144171A1
The present application relates to the technical field of batteries, and in particular, to a battery top cover and a battery. The battery top cover comprises: a top cover plate provided with a mounting hole; a sensor body having an accommodating cavity therein, wherein a sensor is provided in the accommodating cavity, a terminal is provided on the sensor body, and the terminal is electrically connected to the sensor; and a mounting part, one end of which is provided with an elastic snap protruding radially outward, and the other end of which is connected to the sensor body, wherein a through hole in communication with the accommodating cavity is formed inside the mounting portion so as to extend through the mounting portion in an axial direction. The mounting part is inserted into the mounting hole, a bottom surface of the sensor body abuts against a top surface of the top cover plate, and a top surface of the elastic snap abuts against a bottom surface of the top cover plate. The battery top cover and the battery of the present application can reduce production costs and maintenance costs.
Resumen de: WO2026144169A1
The present application relates to the technical field of battery production, and in particular to a battery top cover, a battery cell, and a battery module. The battery top cover of the present application comprises a top cover body and a monitoring module. A first connector is provided on the side wall of the monitoring module, the first connector is located on the outer side of the top cover body, and the first connector extends toward a corner position of the top cover body. In the present application, by arranging the positions of the monitoring module and the first connector, the first connector can be conveniently connected to an external connector such as a junction box of a battery module. Because the first connector extends toward the corner position of the top cover body, the first connector can be arranged at an edge of the battery top cover, so that the external connector can be conveniently connected to the first connector from the edge of the battery top cover. In addition, the first connector is prevented from being connected to a pole on the battery top cover, thereby ensuring circuit safety of the battery cell.
Resumen de: WO2026146470A1
An embodiment of the present invention provides a silicon-based negative electrode active material comprising: a silicon single phase; and a matrix positioned around the silicon single phase, wherein the matrix includes elemental Si, a lanthanide, and an element M, the element M includes one or more selected from the group consisting of Al, Fe, Ti, and Mn, the content of the lanthanide is 2-9 wt% with respect to 100 wt% of the total negative electrode active material, and the silicon single phase is refined to have an average diameter of less than 30 nm due to the inclusion of the lanthanide in the matrix.
Resumen de: AU2024415735A1
An electrochemical cell including: a first electrode including iron, wherein a density (D) of the iron in the first electrode is greater than 2.11 g/cm3 and less than 7.87 g/cm3, based on a total weight of the iron and a total volume of the first electrode; an alkaline electrolyte; a second electrode; and an additive comprising a metal M, wherein the additive is effective to facilitate oxidation of the iron to Fe3-xMxO4, wherein 0≤x<1, and wherein a specific discharge capacity (Q) of the first electrode in the first discharge plateau is represented by Formula 1: Q > ((7.87/D)-1)∗352 mAh/gram of iron, based on a total weight of iron in the first electrode (1).
Resumen de: AU2024408838A1
Sulfur cathodes which include binding polymers, such as polyvinylpyrrolidone, which are capable of binding, or are bonded to, one or more of metal ions having a valency of two or more, halides, and polyhalogen anions are described. Electrochemical storage devices including the sulfur cathodes exhibit high C-rates over long cycle life.
Resumen de: WO2026145846A1
A lithium-ion secondary battery and a charging method thereof, and an electric device. The lithium-ion secondary battery comprises a positive electrode sheet and an electrolyte, wherein the positive electrode sheet comprises a positive electrode active material. The positive electrode active material comprises a first positive electrode active material and a second positive electrode active material, wherein the first positive electrode active material comprises a lithium-containing transition metal oxide, and the second positive electrode active material comprises a lithium-containing transition metal phosphate. The average particle size D1 of primary particles of the first positive electrode active material satisfies: 1.6 μm≤D1≤2.6 μm; and the average particle size D2 of primary particles of the second positive electrode active material satisfies: 40 nm≤D2≤250 nm. The electrolyte comprises a solvent, an additive and a lithium salt, with the additive comprising a cyclic sulfate compound. The lithium-ion secondary battery has a good power density and good high-temperature storage performance.
Resumen de: AU2025216193A1
A negative electrode active material and a preparation method therefor, a negative electrode sheet, a lithium-ion battery, and an electric device. The lithium-ion battery comprises one or more battery cells (5), the battery cell (5) comprises a negative electrode sheet, the negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer located on at least one surface of the negative electrode current collector, and the negative electrode film layer comprises a negative electrode active material. The negative electrode active material comprises an inner core and a coating layer located on at least part of the surface of the inner core, wherein the inner core comprises graphite, and the coating layer comprises amorphous carbon; and in the cumulative distribution curve of the R value of the negative electrode active material obtained in the area scanning mode of a laser microscopic confocal Raman spectrometer, the concentration degree of the R value is less than or equal to 2.0.
Resumen de: WO2026144308A1
The present application provides a cylindrical secondary battery and an electronic device. The cylindrical secondary battery comprises an electrode assembly, the electrode assembly comprises electrode sheets, and each electrode sheet comprises a first current collector and a first material layer located on a surface of the first current collector. Starting from the tail end of the electrode sheet, in the length direction of the unfolded electrode sheet, the first material layer comprises a first section and a second section which are connected in sequence. On the basis of the length of the first material layer, the length proportion of the first section is K, wherein 1%≤K≤10%, and the surface of the first section is provided with a plurality of protrusions. By means of the described arrangement, the safety performance and cycle performance of the cylindrical secondary battery are improved while actual production requirements are taken into account.
Nº publicación: WO2026144077A1 09/07/2026
Solicitante:
YIBIN LIBODE NEW MAT CO LTD [CN]
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Resumen de: WO2026144077A1
A method for reducing residual alkali on the surface of a high-nickel positive electrode material and for coating, and a prepared high-nickel positive electrode material and a secondary battery. The method comprises the following steps: placing a high-nickel positive electrode material in a LiOH-alumina sol mixed solution, stirring uniformly, performing pressure filtration and drying, and then sintering a dried product, thereby obtaining a high-nickel positive electrode material having low residual alkali and an alumina coating. In the preparation method, an alkali LiOH solution can reduce exchange between lattice Li+ and H+ in water, thereby weakening the damage of water to the surface lattice of the high-nickel positive electrode material, and simultaneously achieving the purposes of reducing the residual alkali on the surface of the high-nickel positive electrode material and protecting the bulk structure. In addition, by placing the high-nickel positive electrode material in the LiOH-alumina sol mixed solution, the surface of the high-nickel positive electrode material can be covered with an alumina sol layer, and a stable alumina coating is formed after sintering, thereby achieving the effect of optimizing the crystal structure and electrochemical properties of the material.
BOPI
Sede Electrónica
