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1362
resultados
Última actualización
02/05/2026 [08:13:00]
Resultados 125 a 150 de 1362
Resumen de: US20260121195A1
A battery installation frame, a frame assembly, and a vehicle are provided. The battery installation frame includes a plurality of extension portions spaced apart, where a battery mounting space running through along a height direction of the extension portions is formed between adjacent extension portions. The battery installation frame is provided with a battery mounting structure configured for mounting a battery in the battery mounting space.
Resumen de: WO2026086583A1
A battery cell detection method, comprising: acquiring an image of an end face (10) of a battery cell, identifying two feature regions (S) respectively having one-to-one correspondence to tabs (P) of two polarities, and determining a reference point (O) at the center of the end face on the basis of the image of the end face (10), the two feature regions (S) being respectively arranged on two sides of the reference point (O); rotating the image of the end face (10) to form a set included angle (b) between the arrangement direction of the two feature regions (S) and a reference line (L1), the reference line (L1) passing through the reference point (O), comprising preliminarily adjusting the angle of the image of the end face (10) to enable the two tabs (P) having opposite polarities theoretically located at a central position between two forbidden regions (D), wherein the two feature regions do not overlap the two prohibited regions (D) when the degree of alignment of the two feature regions meets requirements; determining whether the two feature regions (S) overlap the two forbidden regions (D), and if so, determining that the battery cell is non-conformant and preventing the battery cell having poor degree of alignment from flowing out, wherein the two forbidden regions (D) are located on the reference line (L1) and are symmetrically distributed on two sides of the reference point (O). Also disclosed are a battery cell detection apparatus and a battery cell deviation correcti
Resumen de: US20260121117A1
Provided is a non-aqueous electrolyte including a lithium salt, an organic solvent, and an additive, wherein the additive includes a compound represented by the following Formula 1:wherein in Formula 1 above, R1 is an allyl group or a propargyl group; R2, R3, R4 and R5 are each independently selected from hydrogen and or an alkyl group having 1 to 5 carbon atoms; L is a single bond or an alkylene group having 1 to 10 carbon atoms; and X is —C(═O)—, —S(═O)— or —S(═O)2—.
Resumen de: US20260121192A1
An energy storage apparatus includes an energy storage device, an end plate arranged in a first direction of the energy storage device, and a side plate extending in the first direction and joined to the end plate, in which in at least one of the end plate or the side plate, a protruding portion is provided in at least one corner portion at which the first direction and a second direction which is orthogonal to the first direction intersect each other, and the protruding portion is configured such that a space, which opens on a side of the energy storage device, is defined by a deformation portion of at least one of the end plate or the side plate projected toward an outer side.
Resumen de: WO2026086032A1
The present application provides a positive electrode material, a preparation method therefor, a positive electrode sheet, and a battery. The positive electrode material comprises a nickel-cobalt-manganese-aluminum quaternary positive electrode material and a lithium iron phosphate positive electrode material. The chemical formula of the nickel-cobalt-manganese-aluminum quaternary cathode material is Li(1+u)NivMn wCoxAlyAzO2, where u≥0, and v+w+x+y+z = 1. The chemical formula of the lithium iron phosphate positive electrode material is Li1+kFe(PO4)1+mBn, where k, m, and n≥0, and A and B are both doping elements. The mass ratio of the nickel-cobalt-manganese-aluminum quaternary positive electrode material to the lithium iron phosphate positive electrode material is (0.5-5.0): (5.0-9.5).
Resumen de: WO2026085899A1
The present application belongs to the field of batteries, and provides a positive electrode material and a preparation method therefor, a positive electrode sheet, a sodium-ion battery, and an electric device. The positive electrode material comprises a core and a carbon-containing coating layer that coats at least part of the surface of the core, wherein the core contains sodium vanadium fluorophosphate. The positive electrode material is used to prepare a button cell. The Nth charge-discharge test is performed on the button cell. In a discharge curve of the Nth charge-discharge test, the specific discharge capacity is C0, the total specific discharge capacity of a discharge plateau corresponding to the voltage of 3.3 V to 3.4 V is C1, and C1/C0 is smaller than 6.7%, wherein N is an integer greater than or equal to 1. The conditions of the Nth charge-discharge test are as follows: at 20°C to 30°C, the button cell is galvanostatically charged to 4.3 V at a rate of 0.2C, and then galvanostatically discharged to 2 V at a rate of 0.2C. The positive electrode material provided by the present application has a relatively high specific discharge capacity and relatively high electronic conductivity.
Resumen de: US20260121052A1
0000 A negative electrode active material comprises silicon-carbon composite particles. The silicon-carbon composite particles have a particle size Dn10 of 1 μm-8 μm. The silicon-carbon composite particles have an average sphericity of 0.6-1. The silicon-carbon composite particles have closed pores and open pores, with the volume V<1 >of the closed pores and the volume V<2 >of the open pores satisfying 0.2≤V<1>/V<2>≤2,000. The negative electrode active material of the present disclosure has good ionic conductivity and electronic conductivity and good structural stability while ensuring a high capacity per gram. The battery comprising the negative electrode active material of the present disclosure can have good initial Coulombic efficiency, rate performance, low-temperature performance and cycling stability at the same time.
Resumen de: WO2026086409A1
Provided in the embodiments of the present application are an energy storage cabinet and a data center. The energy storage cabinet comprises a cabinet body, and battery clusters, a power converter and a cluster control box, which are located in the cabinet body, wherein the cluster control box and the power converter are stacked on at least two battery clusters from bottom to top, a housing of the cluster control box is provided with at least two pairs of first power input interfaces and at least two pairs of first power output interfaces, each pair of first power input interfaces is electrically connected to one battery cluster, and each pair of first power output interfaces is electrically connected to the power converter. Since the cluster control box is provided with at least two pairs of first power input interfaces and at least two pairs of first power output interfaces, it can not only save at least one cluster control box and reduce costs, but also simplify a system design, lower the complexity of wiring and connections, and reduce the overall system complexity and the number of failure points. The present application can also improve the convenience and accuracy of synchronous scheduling for at least two columns of battery clusters, thereby facilitating unified scheduling and monitoring.
Resumen de: US20260121249A1
A secondary battery includes: a case; and an electrode assembly accommodated in the case. The electrode assembly includes: a first electrode; a second electrode; and a separator. The first electrode includes an electrode tab and a lead connected to the electrode tab. At least one of the electrode tab and the lead includes a variable resistance region, and an electrical resistance of the variable resistance region is different from an electrical resistance of another region of the at least one of the electrode tab and the lead.
Resumen de: US20260121247A1
0000 A secondary battery according to the embodiment includes a case; and an electrode assembly accommodated in the case, the case includes an accommodation part and a cap part, the accommodation part and the cap part are coupled by a sealing layer, the electrode assembly includes a first electrode, a second electrode, and a separator, the first electrode and the second electrode include electrode tabs, the electrode tabs are connected to a lead that is connectable to an external terminal, the lead includes a first region and a second region, a size of the first region is smaller than a size of the second region, and the first region overlaps with the sealing layer.
Resumen de: US20260121120A1
Provided are an electrolyte additive, an electrolyte, and a battery. The electrolyte additive includes a first additive and a second additive. The first additive includes a compound containing element silicon and an unsaturated hydrocarbyl group; and the second additive includes a compound represented by Formula 1.where: X1, X2, X3, and X4 are each independently selected from N or CH; R is selected from 5- to 6-membered aryl, 5- to 6-membered aryl substituted with R0, 5- to 6-membered heteroaryl, 5- to 6-membered heteroaryl substituted with R0, C1-8 alkyl, C1-8 alkyl substituted with R0, C2-8 alkenyl, C2-8 alkenyl substituted with R0, C0-8 alkylsilyl, or C0-8 alkylsilyl substituted with R0; and R0 is selected from C1-6 alkyl, C1-6 alkoxy, or halogen.
Resumen de: WO2026086935A1
A battery capable of preventing internal short circuits. The battery comprises a battery body (100), wherein the battery body (100) comprises a case (101). A negative electrode assembly (110) and a positive electrode assembly (120) are respectively provided at two ends of the case (101). The negative electrode assembly (110) comprises a negative electrode cap end (111), a negative electrode current collector disc (112), and a central tube (113), wherein the negative electrode cap end (111), the negative electrode current collector disc (112), and the central tube (113) are fixed in sequence from bottom to top; the central tube (113) is mounted in the case (101); and the end of the central tube (113) away from the negative electrode current collector disc (112) is separated from the positive electrode assembly (120). By means of arranging the central tube (113) on the negative electrode current collector disc (112), the collapse of electrode sheets is prevented, and good support is also provided for expansion and contraction of a negative electrode. By means of configuring the end of the central tube (113) away from the negative electrode current collector disc (112) not to be in contact with the positive electrode assembly (120), when the battery is in use, the problem of internal short circuits caused by positive and negative electrodes overlapping because the central tube (113) is made of a metallic material can be prevented, thereby being conducive to improving the cycle p
Resumen de: WO2026085989A1
Disclosed in the present application are a vapor chamber and a battery pack. The vapor chamber comprises a first thermally conductive layer, a second thermally conductive layer and a third thermally conductive layer, wherein the first thermally conductive layer comprises a first surface and a second surface that are opposite each other in a first direction; the second thermally conductive layer comprises a third surface and a fourth surface that are opposite each other in the first direction; the third thermally conductive layer is disposed between the first thermally conductive layer and the second thermally conductive layer in the first direction; and the third thermally conductive layer comprises a fifth surface, a sixth surface, a seventh surface, and an eighth surface that are connected sequentially, the fifth surface abutting against the second surface, and the seventh surface abutting against the fourth surface.
Resumen de: WO2026086037A1
Provided in the present application are a positive electrode material, a preparation method therefor, a positive electrode sheet and a battery. The positive electrode material of the present application comprises lithium manganese iron phosphate particles and, successively coating surfaces of the lithium manganese iron phosphate particles, a first shell layer and a second shell layer. The material of the first shell layer comprises nano-scale SiO2 particles, and the material of the second shell layer comprises nano-scale TiO2 particles. In the present application, successively coating the surfaces of the lithium manganese iron phosphate particles with a SiO2 layer and a TiO2 layer can reduce the contact between the lithium manganese iron phosphate particles and an electrolyte, and the occurrence of side reactions between the lithium manganese iron phosphate particles and the electrolyte during electrochemical reactions, thereby retarding the cycle life attenuation of a battery, reducing the leaching of the Mn element, and thus retarding an increase in the impedance of the battery caused by the deposition of Mn2+ on a negative electrode during cycles.
Resumen de: WO2026088452A1
Problem The present invention provides, as a gasket sheet for a papermaking system, a gasket which has excellent flame retardancy. Solution A non-metallic gasket material according to the present invention contains organic fibers, an organic binder, and a metal hydroxide other than those of alkali metals, and the ratio of the metal hydroxide is 100 parts by mass to 300 parts by mass inclusive with respect to a total of 100 parts by mass of the organic fibers and the organic binder. It is preferable that the gasket material has a flame retardancy evaluation of V-1 or higher as determined by UL94 combustion test. The gasket material is preferably used for sealing applications around an electronic component having a risk of flame generation, such as a secondary battery case and an ECU case.
Resumen de: US20260121129A1
0000 A leakage detection liquid collector for detecting fluid leakage from a battery module according to the present disclosure includes: a collection unit coupled to the bottom of a battery module and having a downward sloping surface formed toward the central portion to form a collection space where leaked fluid is gathered at the central portion, a support plate provided between the battery model and the collection unit to support the load of the battery module, and a sensing unit provided inside the collection unit to detect the fluid collected in the collection space.
Resumen de: WO2026086202A1
Provided in the present application are a sealing piece, a sealing structure, a battery cell and a battery pack. The sealing piece comprises a top surface and a bottom surface opposite each other, the bottom surface being provided with a first recess, wherein the sealing piece is provided with a gas channel in communication with the first recess. The gas channel is used to discharge gas, a cavity is formed between the first recess and a top cover, and gas generated by welding flows into the cavity and is discharged through the gas channel, thereby preventing the gas generated by welding from being trapped.
Resumen de: WO2026085743A1
Provided in the embodiments of the present application are a secondary battery, an electric device, and a preparation method for the secondary battery. The secondary battery comprises an electrode assembly, wherein the electrode assembly comprises a first electrode sheet located at the outermost layer thereof and a first separator located at the second outermost layer thereof, the first electrode sheet comprising a first current collector and a first active material layer. The first electrode sheet further comprises a first tab, and the first active material layer comprises a first main body portion and a first thinned portion of an integrated structure. The first thinned portion and the first tab are located on the same side of the first main body portion, and the thickness of the first thinned portion in a first direction is smaller than the thickness of the first main body portion in the first direction. The first electrode sheet comprises a first region, the first region is provided with a plurality of first protrusions, and the first protrusions are formed by protrusion of portions of the first current collector and the first active material layer; and at least part of the first thinned portion is located in the first region. The secondary battery can improve the adhesion between the first thinned portion and the first separator, and reduce the possibility of mutual separation between the first thinned portion and the first separator.
Resumen de: WO2026086039A1
Provided in the present application are a positive electrode composite material and a preparation method therefor, a positive electrode sheet and a battery. The positive electrode composite material comprises a first positive electrode active material and a second positive electrode active material; the first positive electrode active material comprises a ternary material and a hydrophobic group, the hydrophobic group being chemically bonded to the ternary material; in a same humidity environment, the ratio of the weight change rate of the first positive electrode active material to the weight change rate of the second positive electrode active material is greater than or equal to 0.95 and less than or equal to 1.05. By means of introducing the hydrophobic group onto the ternary material, the present application overcomes the defect of poor electrochemical stability caused by significant differences in moisture sensitivity between different positive electrode active materials in a positive electrode composite material.
Resumen de: WO2026086314A1
A positive electrode material and a preparation method therefor, a battery and an electric device. The positive electrode material comprises: an inner core; a first coating layer, which comprises a first coating material, wherein the first coating material comprises at least one of an oxide solid electrolyte, a sulfide solid electrolyte, a halide solid electrolyte and a polymer composite solid electrolyte; and a second coating layer, which coats the inner core and is coated with the first coating layer, wherein the second coating layer comprises a second coating material, the second coating material comprising a halide solid electrolyte. The coating layers play a role in isolating the material of the inner core from an external environment, thereby reducing the situation that the material in the inner core undergoes side reactions with external substances or the properties of the material are changed due to other reasons.
Resumen de: US20260121253A1
A secondary battery includes a case; and an electrode assembly and a conductive plate accommodated in the case, the electrode assembly includes a first electrode assembly part and a second electrode assembly part, a partition wall is between the first electrode assembly part and the second electrode assembly part, the conductive plate includes a first conductive plate on the electrode assembly and a second conductive plate under the electrode assembly, the first conductive plate includes a first conductive part and a second conductive part that are insulated by an insulating member, the first conductive part is electrically connected to the first electrode assembly part, the second conductive part is electrically connected to the second electrode assembly part, and the second conductive plate is electrically connected to the first electrode assembly part and the second electrode assembly part.
Resumen de: US20260121051A1
A negative electrode active material comprises silicon-carbon composite particles. The silicon-carbon composite particles have closed pores, and the volume fraction of the closed pores is 4%-50%. The silicon-carbon composite particles have a core-shell structure with a shell thickness of t, where 0
Resumen de: WO2026086405A1
A coating, a coating composition, a secondary battery, and an electronic device. The coating composition comprises a melamine compound and a binder. The melamine compound comprises a melamine cyanurate, and simultaneously satisfies relational expressions: 1.8≤K1/K2≤3, 0.18≤K2/K3≤0.5, and K3≥K1≥K2, where K1 is the highest peak intensity of a melamine compound 110 crystal plane, K2 is the peak intensity of a melamine compound 200 crystal plane, and K3 is the peak intensity of a melamine compound 202 crystal plane.
Resumen de: US20260118433A1
0000 A method for diagnosing a battery having a positive electrode to which an active material is applied includes generating a differential profile representing a corresponding relationship between a differential capacity obtained by differentiating a capacity of the positive electrode with respect to a potential of the positive electrode and the potential of the positive electrode, for each predetermined diagnosis cycle; generating a plurality of Gaussian curves that form a curve corresponding to the differential profile when combined with each other; generating diagnosis information on a redox reaction amount of one or more elements among a plurality of different elements included in the active material using the plurality of Gaussian curves; and diagnosing the battery based on the diagnosis information.
Nº publicación: WO2026086859A1 30/04/2026
Solicitante:
VIVO MOBILE COMMUNICATION CO LTD [CN]
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Resumen de: WO2026086859A1
The present application belongs to the technical field of electronics. Disclosed is an electronic device. The electronic device comprises a housing and keys. The housing is provided with key mounting grooves, and a limiting portion is provided on a groove wall of each key mounting groove and is disposed adjacent to an opening of the key mounting groove. Each key comprises an elastic connecting portion and a keycap body connected to the elastic connecting portion, wherein at least a portion of the keycap body is located outside the housing, and at least a portion of the elastic connecting portion is disposed within the key mounting groove; and the elastic connecting portion is provided with a snap-fitting portion, which can be in limiting engagement with the limiting portion in a direction from the elastic connecting portion to the keycap body.
BOPI
Sede Electrónica
