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1724
resultados
Última actualización
24/03/2026 [07:20:00]
Resultados 675 a 700 de 1724
Resumen de: WO2026054200A1
This battery module may comprise: a plurality of battery cells including a first battery cell and a second battery cell; a plurality of cell controllers including a first cell controller and a second cell controller; a master battery management system (BMS); and a bus bar connecting each of the plurality of battery cells and electrically connected to the master BMS. The first cell controller may include a first switch circuit and a first resistor. The second cell controller may include a second switch circuit and a second resistor. The master BMS may be configured to transmit a control signal for controlling the first switch circuit or the second switch circuit to the first cell controller or the second cell controller via the bus bar on the basis of a first voltage of the first battery cell and a second voltage of the second battery cell.
Resumen de: WO2026054198A1
The present invention relates to a cell pad for a secondary battery and a manufacturing method therefor. Specifically, the present invention relates to a cell pad for a secondary battery and a manufacturing method therefor, wherein the cell pad is installed between secondary-battery cells to prevent thermal runaway occurring in one cell from propagating to another cell.
Resumen de: WO2026054231A1
The present invention provides a transition metal precursor for preparation of a cathode active material in the form of secondary particles in which primary particles are aggregated, the transition metal precursor being characterized by comprising Mn and at least one additive element selected from the group consisting of Al, Zr, Mg, B, Ti, Zn, Sn, Ca, Ge, Ga, Mo, and W, wherein a specific volume represented by the following formula is 20-200 cm3/g. Specific volume (cm3/g) = (average particle diameter of secondary particles) Х (specific surface area of secondary particles).
Resumen de: WO2026054193A1
The present invention relates to a negative electrode for a secondary battery, the negative electrode comprising: a negative electrode current collector; and a negative electrode coating layer disposed on the negative electrode current collector, wherein the negative electrode coating layer includes a carbon material and metal nanoparticles dispersed in the carbon material. The metal nanoparticles each include a core containing silver and an organic layer disposed on the core, wherein the organic layer has a thickness of 2-5 nm from the surface of the metal nanoparticle toward the center of the metal nanoparticle.
Resumen de: WO2026054195A1
An all-solid-state battery includes a substrate, an all-solid-state battery element mounted on the substrate, and a metal case positioned to cover the all-solid-state battery element while being spaced apart from it. The space between the battery element and the metal case is filled with air or an inert gas, which suppresses moisture penetration and mitigates structural damage caused by expansion or contraction of the battery element during operation.
Resumen de: WO2026054160A1
The present invention relates to a silicon negative electrode material for a lithium-ion secondary battery manufactured from waste silicon kerf, and can provide a silicon negative electrode material for a lithium-ion secondary battery, comprising a plate-like silicon composite in which a composite layer comprising an oxide layer and a carbon-containing layer is formed on plate-like silicon obtained from waste silicon kerf, and a negative electrode and a lithium-ion secondary battery each comprising same, so that the complexation with graphite enables a high packing density and higher lithium loading on an equal-volume basis, and superior economic efficiency can be attained through the use of waste silicon kerf.
Resumen de: WO2026054105A1
Provided is a method for producing a lithium transition metal composite oxide using a positive electrode recovered from a used lithium ion battery. The method for producing a lithium transition metal composite oxide includes the following steps. (1) A step for preparing a positive electrode mixture recovered from a used lithium ion battery, (2) a step for cleaning a lithium transition metal composite oxide in the prepared positive electrode mixture, (3) a step for kneading the cleaned lithium transition metal composite oxide and a lithium compound, (4) a step for calcining the kneaded substance under predetermined conditions, and (5) a step for cooling the calcined lithium transition metal composite oxide.
Resumen de: WO2026054035A1
The present invention provides, with high production efficiency, an oxysulfide solid electrolyte containing a lithium atom, a phosphorus atom, a sulfur atom, and an oxygen atom. The present invention provides: a method for producing an oxysulfide solid electrolyte, the method including mixing a raw material-containing substance containing a lithium atom, a sulfur atom, a phosphorus atom, and an oxygen atom with a complexing agent containing a compound having at least one atom selected from a nitrogen atom and an oxygen atom; an oxysulfide solid electrolyte precursor configured from a lithium atom, a sulfur atom, a phosphorus atom, and an oxygen atom, and a complexing agent containing a compound having at least one atom selected from a nitrogen atom and an oxygen atom; and an oxysulfide solid electrolyte.
Resumen de: WO2026054033A1
The present invention improves charge/discharge characteristics. This secondary battery comprises a positive electrode, a negative electrode, and an electrolyte solution. The positive electrode is provided with a positive electrode current collector containing aluminum. The electrolyte solution includes an electrolyte and a solvent. The electrolyte includes a bis(fluorosulfonyl) imide salt. The surface of the positive electrode current collector contains sulfur. A photoelectron spectrum obtained by performing X-ray photoelectron spectroscopy on the surface of the positive electrode current collector has a first signal having a peak in a range of 164.1 eV to 164.5 eV, and a second signal having a peak in a range of 168.9 eV to 169.3 eV. The ratio of the sum of the signal intensity of the first signal and the signal intensity of the second signal to the sum of the signal intensities of the S2p spectrum is 0.97 or less.
Resumen de: WO2026054194A1
An all-solid-state battery includes a laminate comprising a solid electrolyte layer, a positive electrode active material layer in contact with one surface of the solid electrolyte layer, and a negative electrode active material layer in contact with the other surface of the solid electrolyte layer. The battery is characterized in that a ratio of the sum of the thicknesses of the positive electrode active material layer and the negative electrode active material layer to the thickness of the solid electrolyte layer is greater than 0.5 and less than 5.8. The thickness of the solid electrolyte layer exceeds 5 μm, enhancing the charge and discharge performance while minimizing short-circuit risks.
Resumen de: WO2026054184A1
The disclosed battery transfer robot comprises: a pusher module in which a battery support is installed, which withdraws a battery from a battery storage box and places the battery on the battery support, and which inputs the battery into a freezing box; an X-axis driving module for moving the battery support in the longitudinal direction of the battery storage box or in the width direction of the freezing box; a Y-axis driving module for moving the battery support in the width direction of the battery storage box or in the longitudinal direction of the freezing box; an R-axis driving module for rotating the battery support in the direction of the battery storage box or the freezing box; and a Z-axis driving module for elevating the battery support, wherein the pusher module includes: a push rod member slidably connected to an upper portion of the battery support and pushing the battery disposed on the battery support to input the battery into the freezing box; and a pusher-axis LM guide connected to the push rod member and driven by a servomotor.
Resumen de: WO2026054218A1
The present invention relates to an electric vehicle fire extinguishment system wherein, to overcome a fatal problem in which fire extinguishing is impossible, a direct setting action is performed inside a battery pack of an electric vehicle, and initial fire extinguishment is carried out simultaneously with battery combustion, and the combustion reaction between a battery and oxygen is completely blocked to actively prevent the spread of fire, thereby ensuring life safety and minimizing secondary property damage. More specifically, the present invention relates to an electric vehicle fire extinguishment system that detects an increase in temperature of multiple batteries disposed inside an electric vehicle battery pack, determines whether a fire has occurred on the basis of the detected temperature, generates a fire occurrence signal, ejects compressed carbon dioxide into the battery pack to block the combustion reaction between oxygen and the batteries, thereby extinguishing the fire, determines whether the fire has been extinguished through temperature detection after the carbon dioxide ejection, and when it is determined that fire extinguishment is impossible, injects a foam containing a fire-extinguishing agent dedicated to the electric vehicle from the outside of the battery pack into the battery pack to block the reaction between oxygen and the batteries.
Resumen de: WO2026054174A1
The present invention provides a cost-effective electrode tab inspection apparatus for quickly and accurately determining whether a stacked electrode tab is defective, and an electrode tab inspection method using same, the electrode tab inspection apparatus comprising: an imaging unit that images the electrode tab through transmission; an edge setting unit that sets edges for portions where color or brightness changes in an imaging result of the imaging unit; and a classification unit that classifies the edges set by the edge setting unit into edges related to stability and edges unrelated to stability.
Resumen de: WO2026052153A1
The present application provides a preparation method for a negative electrode slurry, a negative electrode sheet, a battery, and a negative electrode slurry prepared by the present application. The preparation method comprises the following steps: S1, preparing a first adhesive solution from a first binder and water, subjecting a negative electrode main material and a first conductive agent to dry-powder mixing, then adding the first adhesive solution thereto and continuing to mix same, so as to obtain a first mixed system; S2, adding part of a second binder to the first mixed system and mixing same, so as to obtain a second mixed system; S3, adding the remaining second binder to the second mixed system, so as to obtain a third mixed system; S4, adding a second conductive agent to the third mixed system and mixing same, so as to obtain a fourth mixed system; and S5, adding a third binder to the fourth mixed system, mixing same, and adjusting the solid content and viscosity thereof, so as to obtain a negative electrode slurry. The negative electrode slurry exhibits uniform dispersion and high stability, and has no obvious sedimentation and little viscosity change after long-term storage, and the electrode sheet prepared therefrom has a high peeling force, and the battery prepared therefrom has good cycle performance.
Resumen de: WO2026051843A1
The present application provides a battery pack and an energy storage system. The battery pack comprises: a housing provided with an accommodating cavity; a plurality of battery modules provided in the accommodating cavity; and a fuse assembly, the fuse assembly comprising a fuse and a fuse holder, the fuse being electrically connected to the plurality of battery modules, and the fuse holder fixing the fuse, wherein a heat dissipation structure is provided between the fuse holder and the fuse, and the heat dissipation structure is used for dissipating heat of the fuse.
Resumen de: WO2026051833A1
The present invention relates to a conductive agent composition, a conductive agent dispersion comprising the conductive agent composition, a method for preparing the conductive agent dispersion, the use of the conductive agent composition or the conductive agent dispersion in manufacturing an electrode, and an electrode. The conductive agent composition comprises carbon black and at least one material selected from the following materials: a carbon nanostructure, fragments of a carbon nanostructure, and fragmented multi-walled carbon nanotubes.
Resumen de: WO2026051759A1
Provided in the present application are an electrolyte and a secondary battery. The electrolyte of the present application comprises a solvent, an electrolyte, and an additive. The additive comprises a first component and a second component. The first component is selected from a compound represented by formula I. The second component is selected from a compound represented by formula II. The synergy of the first component and the second component can enhance the high-temperature storage performance and high-temperature cycle performance of the secondary battery, and reduce the impedance growth rate.
Resumen de: WO2026054221A1
The present invention relates to a composition for forming a protective film that is capable of protecting the surface of an electrode for a lithium secondary battery so as to prevent the growth of dendrites and improve the lifespan of the battery.
Resumen de: WO2026054104A1
Provided is a method for producing a lithium transition metal composite oxide using a positive electrode recovered from a used lithium ion battery. This method for producing a lithium transition metal composite oxide includes the following steps for: (1) preparing a cathode composite recovered from a used lithium-ion battery; (2) cleaning the lithium transition metal composite oxide in the prepared cathode composite; (3) kneading the cleaned lithium transition metal composite oxide with a lithium compound; (4) calcining the kneaded material under prescribed conditions; and (5) cooling the calcined lithium transition metal composite oxide.
Resumen de: WO2026054103A1
Provided is a method for producing a lithium transition metal composite oxide using a positive electrode recovered from a used lithium-ion battery. The method for producing a lithium transition metal composite oxide includes the following steps. (1) A step for preparing a positive electrode recovered from a used lithium-ion battery. (2) A step for treating the positive electrode with radicals. (3) A step for removing a collector from the treated positive electrode and recovering a positive electrode mixture. (4) A step for recovering a lithium transition metal composite oxide from the recovered positive electrode mixture. (5) A step for washing the recovered lithium transition metal composite oxide. (6) A step for kneading the washed lithium transition metal composite oxide and a lithium compound. (7) A step for calcining the kneaded substance under prescribed conditions. (8) A step for cooling the calcined lithium transition metal composite oxide.
Resumen de: WO2026054175A1
An all-solid-state battery includes a laminate with a positive electrode layer, a solid electrolyte layer, and a negative electrode layer stacked along a first direction. A first external electrode is disposed outside the laminate and connected to the positive electrode layer, while a second external electrode is disposed outside the laminate and connected to the negative electrode layer. A through-hole is located in a central portion of the laminate along the first direction, and the outer circumference of the laminate includes a curved portion when viewed in the first direction.
Resumen de: WO2026051796A1
Provided in the present disclosure are a positive electrode sheet, a solid-state battery cell, a battery apparatus, an electrical apparatus, a halide solid-state electrolyte material and a preparation method therefor. The positive electrode sheet comprises a positive electrode active material and a halide solid-state electrolyte material, the halide solid-state electrolyte material being in an amorphous state. The molecular formula of the halide solid-state electrolyte material is LiM1 xM2 yX6, M1 comprising one or two elements of Ta and Nb, M2 comprising one or more of trivalent metal elements and tetravalent metal elements, X comprising one or more of halogen elements, 0.5≤x＜1, and LiM1 xM2 yX6 being electrically neutral. The positive electrode sheet is applied to a solid-state battery cell, and can improve the cycling stability and rate performance of the solid-state battery cell.
Resumen de: WO2026051801A1
The present application discloses an electrolyte additive, an electrolyte, and a battery. The electrolyte additive comprises a first additive and a second additive, wherein the first additive comprises a compound represented by formula 1, and the second additive comprises a compound represented by formula 2. The first additive and the second additive in the electrolyte additive of the present application are therefore capable of working together and forming a stable SEI film with low impedance on a negative electrode, thereby improving the low-temperature discharge performance and high-temperature cycle stability of the battery.
Resumen de: WO2026051534A1
The present application relates to the technical field of batteries, and specifically to a positive electrode material and a preparation method therefor, a sodium secondary battery, and an electric device. The positive electrode material comprises single-crystal particles and/or quasi-single-crystal particles of a layered transition metal oxide. The design method provided by the present application is conducive to prolonging the cycle service life of the sodium secondary battery.
Nº publicación: WO2026051530A1 12/03/2026
Solicitante:
NUCTECH COMPANY LTD [CN]
TSINGHUA UNIV [CN]
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\u6E05\u534E\u5927\u5B66
Resumen de: WO2026051530A1
A tray, a transfer device and a testing apparatus. The tray (100) comprises a support plate (1), pressing plate assemblies (2) and magnetic attraction assemblies, wherein the support plate is configured to carry a battery cell (200); each pressing plate assembly comprises a connecting base (21) and a pressing plate (22), the connecting base being connected to the support plate, and the pressing plate being rotatably connected to the connecting base and being operably switched between a first position state and a second position state; the magnetic attraction assemblies are disposed on the corresponding connecting bases and configured to hold the pressing plates in the first position state or the second position state; each pressing plate comprises a first contact portion (221) and a second contact portion (222); when the pressing plates are in the first position state, the first contact portions abut against the battery cell to press the battery cell tightly against the support plate; and when the pressing plates are in the second position state, the second contact portions abut against the corresponding connecting bases to release the battery cell. By means of the magnetic attraction force between the magnetic attraction assemblies and the pressing plates, the tray enables the pressing plates to be stably held in either the first position state or the second position state, thereby conveniently and quickly pressing or releasing the battery cell.
BOPI
Sede Electrónica
