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955
resultados
Última actualización
09/02/2026 [07:06:00]
Resultados 325 a 350 de 955
Resumen de: WO2026025094A1
An exemplary embodiment of the present disclosure provides a method for making an electrolyte, comprising: providing a solid polymer electrolyte (SPE); incorporating boron nitride with the SPE to form a composite polymer electrolyte (CPE), wherein the boron nitride is at least one of exfoliated hexagonal boron nitride (ex-BN) or fluorine-fimctionalized hexagonal boron nitride (BN-F).
Resumen de: WO2026024832A1
The present disclosure is directed to a solid-state battery, comprising an anode, a cathode, a solid-state electrolyte, and an interfacial layer. The anode can comprise at least one material selected from a group consisting of silicon and aluminum. The interfacial layer can be positioned between the anode and the solid-state electrolyte and can be the interfacial layer is configured to conduct ions between the solid-state electrolyte and the anode.
Resumen de: WO2026021228A1
The present application relates to the technical field of batteries, and discloses a battery electrode sheet deformation and damage testing method and apparatus. The battery electrode sheet deformation and damage testing method comprises: establishing a battery finite element model under a compression working condition, and layering an electrode assembly along the thickness direction on the basis of the battery finite element model, so as to form a plurality of unit electrode assemblies; performing composite material modeling on the unit electrode assemblies, so as to obtain a composite material model; acquiring stress-strain curve information of component materials in the unit electrode assemblies in a plurality of directions; and on the basis of the stress-strain curve information of the component materials in the unit electrode assemblies in the plurality of directions, the composite material model, and the battery finite element model, acquiring deformation contour maps of electrode sheets at different positions, so as to characterize deformation and damage of the electrode sheets by means of the deformation contour maps. The battery finite element model under the compression working condition and the composite material model are established to simulate a battery compression condition, and the deformation contour maps of the battery electrode sheets at different positions are calculated and outputted to characterize the deformation and damage conditions of the battery ele
Resumen de: WO2026020598A1
The present application provides a case assembly and a battery pack. The case assembly comprises a case and liquid cooling connector groups; each liquid cooling connector group comprises a first liquid cooling connector and a second liquid cooling connector; the second liquid cooling connector comprises a first adapter section, a second adapter section, and a third adapter section; the distance between the orthographic projections of the first liquid cooling connector and the first adapter section on a plane where a second cooling plate is located is D1, the distance from the first adapter section to a side edge is D2, and D2 is greater than D1, so as to save space and costs of a front plate.
Resumen de: WO2026020551A1
A battery cell (100), a battery device (1100), and an electric device. The battery cell (100) comprises a casing (200) and an electrode assembly (101); the casing (200) is provided with electrode lead-out portions (2011); at least part of the electrode assembly (101) is provided in the casing (200); the electrode assembly (101) comprises a first electrode sheet (1); the first electrode sheet (1) comprises a current collector (10), a conductive member (30), and an active material layer (20); the conductive member (30) is electrically connected to the electrode lead-out portions (2011); the current collector (10) comprises an insulating substrate (11) and a metal layer (12); the insulating substrate (11), the metal layer (12), and the active material layer (20) are stacked in a thickness direction of the current collector (10); at least part of the metal layer (12) is located between the insulating substrate (11) and the active material layer (20); the metal layer (12) comprises a first metal portion (121) and a second metal portion (122) which are arranged in a first direction and connected to each other; the first direction is perpendicular to the thickness direction of the current collector (10); at least part of the first metal portion (121) is covered with the active material layer (20), and at least part of the second metal portion (122) is not covered with the active material layer (20); the conductive member (30) is welded to the surface of the second metal portion (122
Resumen de: WO2026020546A1
A battery cell (100), a battery device (1100) and an electric device. The battery cell (100) comprises a casing (200) and an electrode assembly (101). The casing (200) is provided with an electrode lead-out portion (2011). The electrode assembly (101) is accommodated in the casing (200); the electrode assembly (101) comprises a first electrode sheet (1) and a first insulating component (4). The first electrode sheet (1) comprises an electrically-conductive member (30), a current collector (10) and an active material layer (20). The current collector (10) comprises an insulating substrate (11) and a metal layer (12), wherein at least part of the metal layer (12) is located between the insulating substrate (11) and the active material layer (20); the electrically-conductive member (30) is used for electrically connecting the metal layer (12) and the electrode lead-out portion (2011). The electrically-conductive member (30) comprises a first connecting portion (31), wherein the first connecting portion (31) is located on the side of the metal layer (12) facing away from the insulating substrate (11) and is connected to the metal layer (12); the first insulating component (4) is attached to the first connecting portion (31). In the direction from the first connecting portion (31) to the active material layer (20), the first insulating component (4) protrudes beyond a first end face (31a) of the first connecting portion (31) facing the active material layer (20).
Resumen de: WO2026024630A1
A system and method for monitoring and controlling a plurality of marine seismic devices deployed in a survey operation. A battery monitoring device associated with each marine seismic device monitors one or more battery systems associated with each respective marine seismic device. Each battery monitoring device generates battery data associated with a condition of each battery system and communicates the battery data to a central processor. The central processor analysis the data and identifies individual battery systems or individual marine seismic devices that have anomalous conditions. The anomalous conditions include a battery depletion rate above a threshold or a battery life shorter than the remaining duration of the survey operation. The central processor is configured to generate adjusted control settings for individual marine seismic devices to improve the performance of respective battery systems and to identify whether individual battery systems should be redeployed in a future survey operation or discarded.
Resumen de: WO2026024889A1
A thermal runaway barrier system utilizes a thermal runaway barrier having alternating layers of a woven fabric including high temperature yarns and an elastomer layer, wherein the thermal runaway barrier is thin and flexible to conform to contours of a complex three dimensional enclosure, and has a blast resistance of at least four cycles according to test method UL2596 Torch and Grit (TaG) method, a dielectric strength per unit thickness as defined by a breakdown voltage of at least 12kV/mm, and maintains at least 3.1 kV/mm after a thermal runaway event.
Resumen de: WO2026024102A1
The present invention relates to a positive electrode composition for sodium secondary batteries, in which a multifunctional additive for preventing surface degradation is incorporated. The composition comprises a positive electrode active material including a sodium transition-metal oxide, and an organic framework, and contains at least one functional group capable of binding to transition-metal atoms.
Resumen de: WO2026020547A1
The present disclosure provides a battery cell, a battery device, and an electric device. The length of the battery cell is L, and the width of the battery cell is H, wherein the value of L is four to ten times the value of H. The battery cell comprises an electrolyte, a first lithium salt additive in the electrolyte comprises at least one of fluoroborate and fluorophosphate, and the mass fraction of the first lithium salt additive is 0.01%-0.5%.
Resumen de: WO2026020389A1
The present disclosure provides a battery cell and an electric device. The battery cell comprises an electrode assembly. In the width direction of a positive electrode main body portion, the total width of a positive electrode tab portion is 50%-100% of the total width of the positive electrode main body portion; and in the width direction of a negative electrode main body portion, the total width of a negative electrode tab portion is 50%-100% of the total width of the negative electrode main body portion. The coating weight of a single negative electrode active material layer ranges from 0.1 g/1540.25 mm2 to 0.145 g/1540.25 mm2. An electrolyte comprises an organic solvent; the organic solvent comprises a first solvent; the first solvent comprises at least one of dimethyl carbonate and a linear carboxylic acid ester; the structural formula of the linear carboxylic acid ester satisfies R1-COO-R2, wherein R1 and R2 are each independently selected from C1-C5 alkyl or haloalkyl; and based on the total mass of the organic solvent, the mass fraction of the first solvent is 4%-72%.
Resumen de: WO2026020509A1
The present application relates to the technical field of secondary batteries. Disclosed are an electrolyte and a secondary battery. The electrolyte comprises a lithium salt, an ether solvent, a fluorinated solvent and an ether-based functionalized ionic liquid. When the electrolyte provided in the embodiments of the present application is applied to a lithium metal secondary battery, uniform deposition of lithium can be effectively regulated and controlled to generate a stable SEI film, interface charge transfer in a low-temperature environment is improved, and the service life of the secondary battery in a low-temperature environment is prolonged.
Resumen de: WO2026020583A1
A graphene-coated V3S4@NC material and a preparation method therefor and the use thereof. The material is composed of V3S4@NC and graphene coated on the surface of V3S4@NC, wherein V3S4@NC is of a core-shell structured nanofiber composite material with a V3S4 core and an NC shell. The method comprises the following steps: step I: adding a sulfur powder, vanadyl acetylacetonate (VO(acac)2), polyacrylonitrile (PAN), and graphene oxide to N-N dimethylformamide (DMF), stirring same for 12 h, followed by ultrasonic oscillation to obtain a mixed solution; step II: filling a syringe with the mixed solution obtained in step I, performing electrostatic spinning at a flow rate of 0.4 mL/h under a voltage of 18 kV, and collecting a product, so as to obtain a precursor; and step III: placing the collected precursor in a protective atmosphere, and annealing same at 800 ºC for 3 h to obtain a graphene-coated V3S4@NC material. The product can enable the reduced transport distance of sodium ions, and improvement of the electrochemical performance thereof.
Resumen de: WO2026024101A1
The present invention relates to a positive electrode composition for a lithium secondary battery to which a multifunctional surface deterioration prevention additive is added. The positive electrode composition comprises: a positive electrode active material including a lithium transition metal oxide; and at least one functional group having an organic framework and capable of bonding to a transition metal atom.
Resumen de: WO2026024141A1
The present specification relates to a method for manufacturing a lithium secondary battery and a lithium secondary battery. According to one embodiment of the present invention, provided is a method for manufacturing a lithium secondary battery, the method comprising the steps of: injecting a first electrolyte solution into a battery case in which an electrode assembly including a positive electrode and a negative electrode is accommodated; performing a first activation process after injecting the first electrolyte solution; injecting a second electrolyte solution different from the first electrolyte solution into the battery case in which the first activation process has been performed; and performing a second activation process after injecting the second electrolyte solution, wherein the lithium salt concentration of the first electrolyte solution is greater than the lithium salt concentration of the second electrolyte solution, and the difference between the lithium salt concentrations of the first electrolyte solution and the second electrolyte solution satisfies a specific range.
Resumen de: WO2026024708A1
The present disclosure generally relates to pyridinium redox materials for various uses, such as electrolytes in electrochemical devices, for example, in redox flow batteries. The pyridine may be a bipyridinium, such as a 4,4 '-bipyridinium, in some aspects. In certain cases, such anolytes may be useful in electrochemical devices, for example, in a battery such as a flow battery. In some embodiments, the electrolyte may be based on a C-substituted 4,4'- bipyridinium, e.g., acting as an anolyte. Other aspects are generally directed to electrolytes such C-substituted pyridiniums, methods of making or using such C-substituted pyridiniums, kits involving such C-substituted pyridiniums, or the like.
Resumen de: WO2026024157A1
The present invention relates to a composition for an ion-conductive film and a battery comprising an ion-conductive film manufactured therefrom, wherein the composition for an ion-conductive film comprises a phosphorus-based polymer, a compound represented by chemical formula 2, and a lithium salt compound, and comprises 80.00-90.00 parts by weight of the polymer with respect to 100 parts by weight of the sum of the polymer and the compound represented by chemical formula 2.
Resumen de: WO2026020358A1
A battery device (1000) and an electrical device (1A) having same. The battery device (1000) comprises: a main box (200), the main box (200) defining an accommodating cavity (201); battery cells (300), provided in the accommodating cavity (201); a mounting beam (600), mounted on a bottom wall (202) of the main box (200) and forming an clearance channel (203) together with the bottom wall (202); a first expansion beam (100), detachably mounted on the mounting beam (600) and engaging with the battery cells (300); and a thermal management member (400), provided in the accommodating cavity (201) and engaging in heat exchange with the battery cells (300), wherein the thermal management member (400) is provided with an inlet portion (411) and an outlet portion (412), and at least one of the inlet portion (411) and the outlet portion (412) passes through the clearance channel (203).
Resumen de: WO2026020310A1
A battery cell (100), a battery device (1100), and an electric device (1000). The battery cell (100) comprises a casing (200) and an electrode assembly (101); the casing (200) is provided with an electrode lead-out portion (2011); the electrode assembly (101) is at least partially accommodated in the casing (200), and the electrode assembly (101) comprises a first electrode sheet (1) and an insulating member (40); the first electrode sheet (1) comprises a conductive member (30), a current collector (10) and an active material layer (20); the current collector (10) comprises an insulating substrate (11) and a metal layer (12); the conductive member (30) is connected to the electrode lead-out portion (2011) and the metal layer (12); the insulating substrate (11), the metal layer (12) and the active material layer (20) are stacked in the thickness direction of the current collector (10); at least part of the metal layer (12) is located between the insulating substrate (11) and the active material layer (20); the metal layer (12) comprises a main body portion (121) and at least one protruding portion (122); the protruding portion (122) extends outward from the end of the main body portion (121) in a first direction; the first direction is perpendicular to the thickness direction of the current collector (10); at least part of the main body portion (121) is covered with the active material layer (20), and at least part of the protruding portion (122) is not covered with the active
Resumen de: WO2026020313A1
A battery cell (100), a battery device (1100) and an electric device. The battery cell (100) comprises a casing (200) and an electrode assembly (101), wherein the casing (200) is provided with electrode lead-out portions (2011); the electrode assembly (101) is at least partially accommodated in the casing (200), the electrode assembly (101) comprises first electrode sheets (1), and each first electrode sheet (1) comprises electrically conductive members (30), a current collector (10) and an active material layer (20); the electrically conductive members (30) are connected to the electrode lead-out portions (2011); the current collector (10) comprises an insulating substrate (11) and a metal layer (12), and the insulating substrate (11), the metal layer (12) and the active material layer (20) are stacked in the direction of thickness of the current collector (10); the metal layer (12) comprises a main body portion (121) and at least one protruding portion (122), the protruding portions (122) extend outward from an end portion of the main body portion (121) in a first direction, and each protruding portion (122) is connected to the electrically conductive members (30); each protruding portion (122) comprises a first protruding sub-portion (1221) connected to the main body portion (121); and in a second direction, the sum of the dimensions of first protruding sub-portions (1221) of all the protruding portions (122) is 0.5 times or more the dimension of the main body portion (121
Resumen de: WO2026024074A1
A battery module according to one embodiment of the present invention comprises: a cell assembly which is formed by stacking battery cells and which is arranged such that a pair of electrode leads face upward; a lower frame which is shaped such that one side and the other side are open in the longitudinal direction, and which accommodates the cell assembly; a bus bar frame which is coupled to the lower frame and which is mounted above the cell assembly; and a bus bar frame assembly that includes a plurality of bus bar plates, which are fixed onto the bus bar frame so as to be electrically connected to the electrode leads of the battery cells.
Resumen de: WO2026024037A1
The present invention relates to a graphite-based negative electrode active material having excellent rapid charging performance and a method for manufacturing same, the graphite-based negative electrode active material comprising artificial graphite having a plane spacing d(002) of the (002) plane of 0.3360 nm to 0.3370 nm and a c-axis direction crystallite size Lc of 30.0 nm to 38.5 nm.
Resumen de: WO2026024017A1
A battery pack according to the present invention comprises: a battery assembly having a plurality of battery cells; a pack case having an accommodation space in which the battery assembly is accommodated; at least one first venting hole provided on a first side of the battery assembly; a venting space disposed on a first side of the first venting hole and provided in the pack case; and at least one opening/closing member disposed to correspond to the first venting hole and opened to allow the first venting hole and the venting space to communicate with each other if an internal pressure greater than or equal to a predetermined level is formed.
Resumen de: WO2026023890A1
The present invention relates to a jig for extracting an electrolyte, and the purpose of the present invention is to provide a jig for extracting an electrolyte, which facilitates extraction of an electrolyte in an electrolyte extraction system through centrifugation by enabling mounting of a cylindrical secondary battery or a jelly-roll type electrode assembly. One embodiment of the present invention relates to a jig for extracting an electrolyte, which extracts an electrolyte from a sample to be analyzed provided as a cylindrical battery or a jelly-roll electrode assembly having a vertical direction as a longitudinal direction, the jig comprising: a body part having a cylindrical battery accommodation groove formed on the upper surface thereof and having the vertical direction as a central axis; and a support part for supporting, inside the battery accommodation groove, the lower end of the sample to be analyzed, wherein an electrolyte discharge flow path is formed on the upper surface of the support part, a first electrolyte discharge port penetrating the support part in the vertical direction is formed in the support part, a second electrolyte discharge port for discharging an electrolyte is formed in the battery accommodation groove of the body part, the inlet of the first electrolyte discharge port is connected to the electrolyte discharge flow path, and the outlet of the first electrolyte discharge port is connected to the second electrolyte discharge port.
Nº publicación: WO2026020314A1 29/01/2026
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
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Resumen de: WO2026020314A1
The present application relates to a battery cell (7), a battery apparatus and an electric apparatus (1). The battery cell (7) comprises an electrode assembly (10) and an electrolyte. The electrode assembly (10) comprises a cathode sheet and an anode sheet, wherein the cathode sheet comprises a cathode current collector and a cathode film layer, which is arranged on at least one surface of the cathode current collector and contains a cathode active material, the cathode active material comprises a lithium-containing phosphate of an olivine structure, and the single-sided coating weight of the cathode film layer ranges from 200 mg/1540.25 mm2 to 370 mg/1540.25 mm2; and the anode sheet comprises an anode current collector and an anode film layer, which is arranged on at least one surface of the anode current collector and contains an anode active material, and the anode active material comprises a carbon-based material. The conductivity of the electrolyte at room temperature ranges from 13 mS/cm to 20 mS/cm. In an external environment at 25°C, the battery cell (7) has a discharge plateau voltage V1 during a constant-current discharge process from a 100% state of charge to 2.0 V at a 0.33 C-rate, wherein V1 ranges from 3.19 V to 3.235 V. The fast-charge performance, energy density and cycle performance of the battery cell (7) can be improved.
BOPI
Sede Electrónica
