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1102
resultados
Última actualización
29/08/2026 [07:33:00]
Resultados 700 a 725 de 1102
Resumen de: WO2026171291A1
A lithium-manganese dioxide battery, comprising a positive electrode sheet, a negative electrode sheet, a separator and an electrolyte solution, wherein a positive electrode active material of the positive electrode sheet comprises manganese dioxide, and the negative electrode sheet comprises a lithium metal negative electrode; and the separator comprises a base membrane and a coating located on the surface of at least one side of the base membrane, with the coating comprising a polymer solid electrolyte and an inorganic solid electrolyte. The separator in the lithium-manganese dioxide battery is functionalized by means of a combined coating of the polymer solid electrolyte and the inorganic solid electrolyte, such that the liquid retention capacity of the separator is increased, and the defect of the reduced amount of separator electrolyte solution caused by the expansion of a positive electrode during a discharge process is avoided.
Resumen de: US20260246012A1
0000 A battery pack frame is disclosed. According to an embodiment of the present disclosure, the battery pack frame may include: a bottom frame including a loading plate defining an upper surface and an additional plate defining a lower surface; and side frames having a shape extending upward from at least a portion of a perimeter of the loading plate, wherein the additional plate may include: a cooling plate having a cooling passage formed therein; and a shock-absorbing plate including a shock-absorbing middle layer positioned beneath the cooling plate and an outer layer positioned beneath the shock-absorbing middle layer, wherein the shock-absorbing plate may include a plurality of shock-absorbing ribs sequentially arranged between the shock-absorbing middle layer and the outer layer.
Resumen de: WO2026171701A1
The invention relates to a cooling system for a battery, comprising a cooling circuit (5) including at least a first metal pipe (6) intended to convey a cooling fluid and incorporating at least first and second junctions (9, 10), each formed by a ball-and-socket joint.
Resumen de: US20260246010A1
A battery cell includes: an electrode body; a metal case configured to house the electrode body; and a resin heat-conductive sheet disposed between the electrode body and the case inside the case and in contact with both the electrode body and the case. Young's modulus of the resin heat-conductive sheet is less than Young's modulus of the electrode body.
Resumen de: US20260245903A1
0000 A lithium metal electrochemical cell has a cathode having a cathode active material layer made from a cathode slurry. The cathode slurry has a cathode active material, a cathode solvent having a first donor number, and a cathode lithium salt having a first melting point. The lithium metal electrochemical cell also has an anode and an electrolyte having an electrolyte solvent having a second donor number and an electrolyte lithium salt having a second melting point. The first donor number is greater than the second donor number and the first melting point is greater than the second melting point.
Resumen de: US20260246045A1
A circuit protection unit applied to a conductive module includes a circuit protection component, a first terminal fitting that has a first electrical connection portion electrically connected to the circuit protection component, a second terminal fitting that has a second electrical connection portion electrically connected to the circuit protection component, a support member that has insulating properties and is formed in a plate shape and on which the first electrical connection portion and the second electrical connection portion are placed, and the coating resin portion that has insulating properties, is provided on the support member, and encloses the first electrical connection portion, the second electrical connection portion, and the circuit protection component installed across the first electrical connection portion and the second electrical connection portion.
Resumen de: US20260243725A1
The present disclosure relates to an apparatus and method for determining coulombic efficiency of a lithium metal battery. An apparatus for determining coulombic efficiency of a lithium metal battery according to the present disclosure includes a physical property data generation unit configured to generate physical property data of an electrolyte in the lithium metal battery, and a coulombic efficiency determination unit configured to determine the coulombic efficiency of the lithium metal battery based on the physical property data of the electrolyte, and elemental composition data representing respective amounts of elements present in the electrolyte.
Resumen de: US20260245989A1
0000 According to an embodiment, a battery management system includes battery cells, a front-end circuit, a BMS ECU, and a communication interface circuit. The communication interface circuit includes half-bridge drivers coupled to internal isolation nodes, external isolation nodes, resistive networks between the internal and external nodes, a voltage comparator circuit, a clamping circuit, and an ESD protection circuit. The clamping circuit limits voltage excursions at the internal nodes, while the resistive networks develop detectable differential voltages during electromagnetic compatibility testing. The ESD protection circuit maintains trigger voltages above the sum of clamping voltage and resistive network voltage drops.
Resumen de: US20260245990A1
Provided are a fire extinguishing device for an energy storage system and a fire extinguishing device for a battery module to extinguish a fire in a cable connected to a control unit to transmit and receive electrical signals. To this end, the fire extinguishing device includes a battery module including a plurality of battery cells, a battery rack supporting the battery module, a module fire extinguishing unit configured to sense a fire of the battery module and spray a fire extinguishing agent on the battery module, a control unit connected to the battery module through a cable and configured to sense a state of the battery module, and a cable fire extinguishing unit configured to fix the cable and including the fire extinguishing agent.
Resumen de: WO2026170613A1
Provided in the present application are a battery cell assembly, a battery module, a battery pack and an electrical device, belonging to the technical field of battery packaging. The battery cell assembly comprises: a battery cell having two main planes opposite to each other in a first direction; and an elastic assembly provided on the two main planes and configured to buffer expansion of the battery cell during charging. The elastic assembly comprises: a first elastic member, which is provided to cover the middle portions of the two main planes, the first elastic member having a first hardness; and a second elastic member, which is provided to cover the portions of the two main planes that are not covered by the first elastic member, the second elastic member having a second hardness different from the first hardness. The technical problem to be solved is how to limit expansion of a battery cell while protecting the battery cell. The present application achieves the technical effects of better buffering expansion of different portions of the main planes of the battery, thereby limiting excessive expansion of the battery cell and protecting the battery cell.
Resumen de: US20260241916A1
0000 An information processing device is an information processing device mounted in a vehicle including a battery and an internal combustion engine, the information processing device including: a controller configured to execute, during electric power supply from the battery to an outside: acquiring a current battery temperature of the vehicle from a sensor; determining a reference value of a state of charge for starting charging of the battery by driving of the internal combustion engine in accordance with the acquired current battery temperature; acquiring a current state of charge of the vehicle; determining whether to start the charging of the battery in accordance with the acquired current state of charge being smaller than the determined reference value; and starting the charging of the battery by driving the internal combustion engine of the vehicle when it is determined to start the charging.
Resumen de: US20260245954A1
The present disclosure relates to a positive electrode for a rechargeable lithium battery, a rechargeable lithium battery including the positive electrode, and a method for manufacturing a positive electrode for a rechargeable lithium battery. The positive electrode includes a positive electrode current collector, a first positive electrode active material layer on the positive electrode current collector, and a second positive electrode active material layer on the first positive electrode active material layer. At least one of the first and second positive electrode active material layers includes a first particle and a second particle, wherein an amount of the first particle in the first positive electrode active material layer is in a range of about 55 wt % or more, and an amount of the second particle in the second positive electrode active material layer is in a range of about 55 wt % or more.
Resumen de: US20260245888A1
A cathode layer for use in a lithium-ion battery includes, as a cathode active material, single-crystal active materials that are crystalline primary particles containing Li, a transition metal, and O. Each single-crystal active material includes long and short edges. The angle between the long and short edges is 60° or more and 120° or less. The aspect ratio, namely the ratio of the length of the long edge to the length of the short edge, is 1.2 or more. The long edge of each single-crystal active material extends along the (003) plane. The proportion NB/NA is 20% or more, where NA represents the number of the single-crystal active materials, and NB represents the number of the single-crystal active materials in which the direction of the long edge is inclined at an angle of 50° or more and 90° or less with respect to an in-plane direction of the cathode layer.
Resumen de: WO2026170612A1
The present application provides a battery cell assembly, a battery module, a battery pack, and an electric device. The battery cell assembly comprises: a battery cell, having two side planes opposite to each other in a first direction, and two main planes opposite to each other in a second direction; a casing, sleeved on the outer side of the battery cell and comprising two recessed plates opposite to each other in the second direction, two side plates opposite to each other in the first direction, and connecting plates respectively connecting the two recessed plates and the two side plates, wherein the inner surface of each recessed plate is in contact with a corresponding main plane, and the height of the side plates in the second direction is greater than the height of the recessed plates in the second direction, so that the maximum height of the casing in the second direction is defined by the side plates; and a fixing structural member, arranged around the outer side of the casing and used for pressing and retaining the battery cell by means of the casing.
Resumen de: WO2026170611A1
Provided in the present application are a cover plate assembly, a cell, and a battery pack. The cover plate assembly comprises an end cap, a post, a bottom plate, and a sealing ring. The post comprises a first section and a second section that are connected to each other, the diameter of the second section being smaller than the diameter of the first section, the first section having a first shoulder face facing toward the second section, and the first section passing through the end cap. The bottom plate is sleeved onto the second section. The sealing ring is sleeved onto the second section and is located between the end cap and the bottom plate, the sealing ring having a first end face facing away from the bottom plate. The inner diameter side of the first end face abuts against the first shoulder face.
Resumen de: US20260245871A1
A positive electrode including: a positive electrode mixture layer containing a layered rock salt oxide and an olivine compound as a positive electrode active material, in which the positive electrode mixture layer includes a first region proximate to a first surface facing a current collector in a thickness direction of the positive electrode mixture layer, a second region proximate to a second surface facing a separator in the thickness direction, and a third region that is a region between the first region and the second region in the thickness direction, and the first region and the second region contain the layered rock salt oxide at a higher concentration than the third region.
Resumen de: WO2026170890A1
Provided are a lithium secondary battery and an electric device. The lithium secondary battery comprises a positive electrode sheet, a negative electrode sheet and an electrolyte. The negative electrode sheet comprises a negative electrode current collector and a functional layer disposed on at least one side surface of the negative electrode current collector. The functional layer comprises a protective layer and a lithiophilic layer disposed between the protective layer and the negative electrode current collector, wherein the lithiophilic layer comprises a lithiophilic material, and the contact angle between the lithiophilic material and molten lithium metal is 0 to 90°; and the protective layer comprises a carbon material.
Resumen de: US20260245909A1
The technology disclosed in the present specification relates to a self-supporting electrode film. The self-supporting electrode film includes positive electrode active material particles. In addition, the self-supporting electrode film includes a first polymer. Further, the self-supporting electrode film includes a second polymer. The first polymer has lithium-ion conductivity. The second polymer has a fibrillated state.
Resumen de: WO2026170819A1
A lithium-ion battery, comprising a positive electrode, a negative electrode and an electrolyte solution, wherein the positive electrode comprises a positive electrode active material layer, the positive electrode active material layer comprises a positive electrode active material and a lithium-replenishing material, and the lithium-replenishing material comprises a lithium-rich oxide; the negative electrode comprises a negative electrode active material layer; the ratio of the molar weight of Li in the positive electrode active material layer and the negative electrode active material layer to the molar weight of metal elements other than Li in the positive electrode active material layer is R; the electrolyte solution comprises a non-aqueous solvent and an additive; the non-aqueous solvent comprises dimethyl carbonate, and the mass percentage of dimethyl carbonate in the electrolyte solution is E%; the mass percentage of the additive in the electrolyte solution is A%; and in the lithium-ion battery, E, A and R satisfy: 0.03≤E*A/R≤35.
Resumen de: US20260245865A1
Described herein are examples of methods for making solid-state batteries. The method may include preparing a cathode comprising graphene, sulfur, and phosphorus, wherein the sulfur and phosphorus are mixed together and then mixed with the graphene, and preparing an anode comprising silicon and lithium that is deposited on a copper current collector plate, as well as preparing a separator comprising an ion-conducting material and a solvent, wherein the ion-conducting material and solvent are mixed together and deposited onto the cathode and the cathode, separator, and anode are assembled to form a solid-state battery without a liquid electrolyte layer. The method of building the battery can be instrumental in simplifying the manufacturing process in next-generation factories. The solid-state batteries can be prepared without liquid electrolytes by substituting solid electrolyte particles into the electrode material itself, or by other means, resulting in safer, smaller and easier to manufacture batteries.
Resumen de: DE102025154187A1
Eine Festkörperbatteriezelle umfasst C Kathodenelektroden mit einer auf einem Kathodenstromkollektor angeordneten Kathodenaktivmaterialschicht, S Separatoren und A Anodenelektroden mit einer auf einem Anodenstromkollektor angeordneten Anodenaktivmaterialschicht, wobei C, A und S ganze Zahlen sind. Die Anodenaktivmaterialschicht umfasst Ferrosiliziummikroteilchen mit einem Siliziumgerüst und eingebetteten Ferrosiliziumdomänen. Die Ferrosiliziummikroteilchen können durch Reinigen und Zerkleinern von Ferrosiliziumgestein hergestellt werden, um zerkleinertes Ferrosilizium zu erzeugen. Das zerkleinerte Ferrosilizium wird gemahlen, um Ferrosiliziummikroteilchen zu erzeugen. Die Ferrosiliziummikroteilchen werden mit Hilfe eines Siebes vom zerkleinerten Ferrosilizium getrennt. Die Ferrosiliziummikroteilchen umfassen ein Siliziumgerüst und eingebettete Ferrosiliziumdomänen. Die Ferrosiliziummikroteilchen werden mit einem Bindemittel gemischt. Die Anodenelektrode umfasst die Ferrosiliziummikroteilchen und das Bindemittel.
Resumen de: WO2026170896A1
A battery cell and a manufacturing method therefor, a battery, and an electric device, relating to the technical field of batteries. The battery cell comprises a positive electrode sheet, a negative electrode sheet, a separator, and an electrolyte; at least one of the positive electrode sheet, the negative electrode sheet, and the separator is provided with a coating; the coating comprises a polymer; and the coating is soluble in the electrolyte. In the battery cell, the soluble coating is introduced between layers, the coating is used for filling between the positive electrode sheet and the negative electrode sheet during the winding and shaping stage of an electrode assembly, and after the electrolyte is injected, the coating can be peeled off from between the layers and dissolve in the electrolyte, so that a relatively large gap is formed between the positive electrode sheet and the negative electrode sheet; in addition, since the coating has dissolved in the electrolyte, the risk of pore blocking is eliminated; the interlayer space provides sufficient expansion space for the electrode sheets, reducing or avoiding problems caused by expansion of the electrode sheets, i.e., extrusion of the electrolyte between the electrode sheets, difficult electrolyte reflux, and uneven electrolyte distribution, thereby enabling the battery cell to have good cycle performance.
Resumen de: WO2026171228A1
The present application provides a current collector, a preparation method therefor, a battery cell, a secondary battery, and an electrical apparatus. The current collector comprises a nickel-based alloy layer; the ratio of the transverse tensile strength MD of the current collector to the longitudinal tensile strength TD of the current collector is 1.01-1.3, the transverse tensile strength MD of the current collector being 1200 MPa-2200 MPa; the nickel-based alloy layer comprises a nickel element and a first metal element other than the nickel element, the first metal element comprising one or more of Fe, W, Cr, Ag, Au, Pt, Nb, Mn or Co.
Resumen de: WO2026171259A1
Provided in the present application are an alkali metal secondary battery, a current collector, and an electric device. The alkali metal secondary battery comprises a positive electrode plate and a negative electrode plate. The negative electrode plate comprises a negative current collector. The negative current collector is configured to deposit alkali metal ions, and the negative current collector comprises a metal alloy. The metal alloy comprises nickel and a metallic element other than nickel, and the average grain size of the metal alloy ranges from 10 nm to 80 nm. The surface roughness of the negative current collector ranges from 20 nm to 200 nm.
Nº publicación: US20260246046A1 20/08/2026
Solicitante:
MAKITA CORP [JP]
Makita Corporation
Resumen de: US20260246046A1
0000 A battery pack may be configured to be detachably attached to a battery pack attaching part by the battery pack sliding relative to the battery pack attaching part. The battery pack may include: a casing; and a plurality of battery cells accommodated inside the casing. A through hole which opens downward may be defined in the casing. In a front-rear direction, the through hole may be disposed rearward of a front end of a frontmost battery cell among the plurality of battery cells and frontward of a rear end of a rearmost battery cell among the plurality of battery cells. In an up-down direction, an inner surface of the casing at a portion where the through hole is defined may be disposed above a lower end of a lowermost battery cell among the plurality of battery cells.
BOPI
Sede Electrónica
