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1509
resultados
Última actualización
17/03/2026 [07:16:00]
Resultados 375 a 400 de 1509
Resumen de: US20260070450A1
A battery charging station is disclosed that includes an electrical system including a charging interface, a communications system including a wireless interface, and a control system. The control system is configured to receive a charging request to initiate a battery charging operation for a battery system of a mobile platform, establish a wireless communications link with the mobile platform via the wireless interface, and receive health status data for the battery system from the mobile platform over the wireless communications link via the wireless interface. The control system is further configured to enable charging of the battery system of the mobile platform via the charging interface responsive to the health status data satisfying a first condition, and to disable charging of the battery system of the mobile platform via the charging interface responsive to the health status data satisfying a second condition indicating a fault of the battery system.
Resumen de: US20260070805A1
A positive electrode material and a preparation method thereof, a positive electrode slurry, a positive electrode plate, a lithium ion battery and a preparation method thereof are provided. The battery comprises an electrolyte, the electrolyte comprises lithium hexafluorophosphate and an organic solvent, the positive electrode material comprises a positive electrode active substance and lithium carbonate, the lithium carbonate is coated on the surface of the positive electrode active substance, and a mass ratio of the positive electrode active substance to the lithium carbonate is 1:(0.001-0.03).
Resumen de: WO2026055033A1
Herein discussed is an electrochemical device. The device includes an anode, a cathode, and an electrolyte. The anode includes silicon, silicon oxide, silicon carbide or silicon/carbon composites; and wherein the electrolyte comprises a solvent comprising N, N-dimethyltrifluoromethane-sulfonamide or Dimethylsulfamoyl fluoride and a salt substantially dissolved in the solvent. The salt is selected from the group consisting of lithium bis (fluorosulfonyl) imide, sodium bis (fluorosulfonyl) imide, lithium hexafluorophosphate, sodium hexafluorophosphate, and combinations thereof. Methods of making and using such a device are also disclosed.
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: WO2026053768A1
Provided is an inter-cell structure which is suitable for maintaining a buffer function for relaxing stress from a lithium ion battery cell with high durability while achieving a size that is suited to the cell. Provided is an inter-cell structure for use in a battery module or a battery pack including a plurality of arrayed lithium ion battery cells, the inter-cell structure being disposed between adjacent cells among the plurality of cells. The inter-cell structure has: a bag body that defines a sealed space; and a fluid such as a gas and a porous sheet in the sealed space. The bag body is formed of a laminated film including a metal layer and a resin layer, and has a sealing end part in which the innermost layers of first and second film parts of the laminated film are joined to each other so as to seal the sealed space. The porous sheet is positioned at a distance from the sealing end part of the bag body. The bag body has, between the sealing end part and the porous sheet, a folded part in which the first and second film parts overlap with each other and are folded with the first film part being on the inner side.
Resumen de: WO2026053782A1
The present disclosure provides a solid-state battery suitable for improving volume energy density and suitable for large-current discharge applications. A solid-state battery (100) according to the present disclosure comprises: a ceramic package (10) that includes a package body (20) and a lid body (30); a battery element (40) that includes a first electrode (41), a solid electrolyte layer (43), and a second electrode (42), and is accommodated in the ceramic package (10) such that the first electrode (41), the solid electrolyte layer (43), and the second electrode (42) are arranged in the stated order from the lid-body (30) side toward the inner bottom surface (20b) of the package body (20); and a current collection member (60) that includes a locking part (60k) locked to the package body (20), is disposed along a side surface (41p) of the first electrode (41) so as to surround the first electrode (41), and is electrically connected to the first electrode (41).
Resumen de: WO2026053734A1
In this data processing method, a processor executes processing including: acquiring a parameter relating to the state of a storage battery; and calculating a feature amount affecting the lifetime of the storage battery on the basis of specific processing using the parameter.
Resumen de: WO2026053618A1
The present invention provides: a heat insulation sheet excellent in heat insulation performance and capable of ensuring excellent heat insulation performance even when cracks occur; a method for manufacturing the same; and a battery pack having the heat insulation sheet. The heat insulation sheet contains inorganic particles and glass fibers. In a fracture test in which a plate-shaped cutting jig is pressed against a test piece (20), which is sampled from the heat insulation sheet and has a length of 50 mm on one side and another side of a main surface and a thickness of 5 mm, in a state of supporting a pair of a first end face (71) and a second end face (72), which face each other, such that the plate-shaped cutting jig is orthogonal to the main surface in a direction parallel to the first end face (71) and the second end face (72), and a load is applied until the test piece (20) fractures, selecting the cross section for which the difference between a first distance X and a second distance Y is a maximum value Z results in the maximum value Z being 4 mm or more.
Resumen de: WO2026051308A1
The present application relates to the technical field of batteries, and provides a battery cell, a manufacturing method, a manufacturing device, a battery apparatus, and an electric apparatus. The present application provides a battery cell. The battery cell comprises an electrode assembly, support spacers, and electrode terminals. The electrode assembly comprises a plurality of first tabs stacked in a first direction. The support spacers are stacked with the plurality of first tabs in the first direction, and the support spacers are connected to the plurality of first tabs by means of a first welding portion. The electrode terminals are connected to the plurality of first tabs and the support spacers by means of a second welding portion, wherein the projections of the first welding portion and the second welding portion on a plane perpendicular to the first direction at least partially overlap. In this way, the connection reliability of the tabs and the connection terminals can be improved, and the presence of the support spacers can provide support for the first tabs and improve the current-carrying capacity of the first tabs, thereby increasing the energy density of the battery.
Resumen de: WO2026051282A1
The present application relates to a cyclic aging test method, apparatus and system for a battery module, and to the technical field of energy storage tests. The method comprises: in a cyclic aging test, successively performing a charging operation and a discharging operation on a battery module; and, at the end of the discharging operation on the battery module, separately performing discharging operations on battery cells in the battery module. Using the solution of the present embodiment can reduce the test duration of cyclic aging, allowing for cyclic aging tests of short test duration for battery modules.
Resumen de: WO2026051309A1
The present application provides a positive electrode sheet and a preparation method therefor, and a battery. The positive electrode sheet comprises a positive electrode current collector, a first positive electrode active coating and a second positive electrode active coating, wherein in the first positive electrode active coating, the mass ratio of a first lithium manganese iron phosphate active material to a nickel cobalt manganese ternary active material is 80-90:8-15; and the second positive electrode active coating comprises a second lithium manganese iron phosphate active material. The areal density ρ1 of the first positive electrode active coating and the areal density ρ2 of the second positive electrode active coating satisfy: ρ1≥240 g/m2; ρ2≥240 g/m2; and |ρ1-ρ2|≤5 g/m2.
Resumen de: WO2026051275A1
The present application provides a separator and a preparation method therefor. The separator comprises a substrate layer and a heat-resistant layer located on at least one surface of the substrate layer, wherein the substrate layer comprises a polyolefin, and the heat-resistant layer comprises polymer fibers and inorganic ceramic particles; and the separator satisfies the following conditions: 1≤BL50/BW50≤6, 0.8≤Equation≤6, 0.1 μm≤BL50≤0.6 μm, and 0.04 μm≤TL50≤0.2 μm. According to the present application, adjusting dimensions of internal structural pores of a substrate layer and a heat-resistant layer reduces rigidity mismatch between the heat-resistant layer and the substrate layer, thereby increasing a rupture temperature of the separator, and mitigating the problem of separators easily fracturing when subjected to high-temperature treatment for an extended period of time. Moreover, this also greatly reduces the common occurrence of separator curling after heat-resistant layer coating, addresses the problem of separators being prone to powder shedding when stretched or subjected to external impact, and improves the thermal safety performance of the separator.
Resumen de: US20260070431A1
A shielding structure for a battery unit located above a panel and under in-vehicle equipment in a vehicle includes: a fibrous first sound-absorbing member located on the panel and in contact with a lower part of the battery unit; and a fibrous second sound-absorbing member surrounding an upper part and side parts of the battery unit. The battery unit is surrounded by the first sound-absorbing member and the second sound-absorbing member.
Resumen de: US20260070469A1
A system for optimizing an operating state of a battery by using a cloud includes: a cloud unit configured to receive battery data; a first data collection unit configured to collect first data; a first data transmitter configured to transmit the first data to the cloud unit; a second data receiver configured to receive second data from the cloud unit; and a controller configured to control an operating state of a battery based on the second data and to perform any one of an update of first deterioration state information and an adjustment of a learning speed.
Resumen de: US20260074259A1
Disclosed are an apparatus and a method for folding sides of a pouch-type battery and a die for the same. The apparatus for folding sides of a pouch-type battery includes a die including a folding formation space including an inlet through which a side of a pouch-type battery enters, an outlet through which the side of the pouch-type battery exits, and a side opening formed on one side of the die to guide side of the pouch-type battery to pass therethrough, and a transfer unit that transfers the pouch-type battery along a longitudinal direction of the die. A space between the inlet and the outlet of the folding formation space is formed so that the side of the pouch-shaped battery having entered the inlet is gradually folded while moving and finally the outlet has a final folding shape.
Resumen de: US20260074225A1
A positive electrode 13 for secondary battery of the present disclosure includes a positive electrode current collector 11 and a positive electrode active material layer 12 supported on the positive electrode current collector 11, where the positive electrode active material layer 12 includes a positive electrode active material and polyvinyl alcohol modified with a phosphorus compound. A method for manufacturing the positive electrode 13 for secondary battery includes: preparing a polymer solution including polyvinyl alcohol, a phosphorus compound, and a solvent; preparing a positive electrode slurry including the polymer solution and the positive electrode active material; and applying the positive electrode slurry to the positive electrode current collector 11 to form the positive electrode active material layer.
Resumen de: US20260074219A1
A cathode active material for lithium secondary batteries, a method of preparing the same, a cathode including the same, and a lithium secondary battery including the cathode are provided. The cathode active material includes nickel-based lithium metal oxide secondary particles each including a plurality of large primary particles, the nickel-based lithium metal oxide secondary particles having a hollow structure having pores therein, each of the plurality of large primary particles having a size of about 2 μm to about 6 μm, and each of the nickel-based lithium metal oxide secondary particles having a size of about 10 μm to about 18 μm; and a cobalt compound-containing coating layer on surfaces of the nickel-based lithium metal oxide secondary particles.
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: 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: US20260074194A1
Provided are a negative electrode active material which includes negative electrode active material particles which includes a silicon oxide (SiOx, 0
Nº publicación: US20260074233A1 12/03/2026
Solicitante:
BAYERISCHE MOTOREN WERKE AG [DE]
Bayerische Motoren Werke Aktiengesellschaft
Resumen de: US20260074233A1
Electrodes for an electrochemical storage cell, including a conductor foil including an application zone for an electrode coating, the application zone including an outer region and a central region, are provided. The outer region of the application zone lies closer to an outer edge of the conductor foil than the central region. The application zone, in the outer region, has at least one electrolyte conduction region in which the diffusion rate of an electrolyte of the electrochemical storage cell is higher than in the application zone outside the electrolyte conduction region. Electrochemical storage cells including at least one electrode are further provided. Processes for producing an electrode for an electrochemical storage cell are further provided.
BOPI
Sede Electrónica
