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1369
resultados
Última actualización
24/10/2026 [08:31:00]
Resultados 600 a 625 de 1369
Resumen de: WO2026215902A1
The present disclosure provides a method of preparation of chromium oxide (Cr2O3) enriched sodium manganese silicate from coal ash, wherein the Cr2O3 enriched sodium manganese silicate is used as Cathode active material (CAM) in a solid-state sodium silicate battery (SSSB), with carbon black as anode active material (AAM); and a solid-state -electrolyte (SSE) formed by coating a separator membrane with a naturally Sodium (Na) and Calcium (Ca) rich material (Na-Ca rich material), wherein the Na-Ca-rich material is further enriched with sodium (Na). The SSSB exhibits a highest specific capacity of 183.03 mAh/g at 3 C-rate at 0.67 A discharge current, and is stable up to 2500 cycles at 0.05 C-rate.
Resumen de: WO2026214535A1
The present application provides a solid-state battery, a solid-state electrolyte membrane, a preparation method for the solid-state electrolyte membrane, and an electric device. The solid-state battery comprises a positive electrode layer, a solid-state electrolyte membrane, and a negative electrode layer, wherein the solid-state electrolyte membrane is located between the positive electrode layer and the negative electrode layer; the solid-state electrolyte membrane comprises a porous support and a solid-state electrolyte, the solid-state electrolyte is provided in pores of the porous support, and the tensile strength of the porous support is greater than the tensile strength of the solid-state electrolyte membrane.
Resumen de: DE102025114304A1
Es wird ein Verfahren zum Betrieb einer Hochvoltbatterie (100), insbesondere einer Traktionsbatterie eines Kraftfahrzeugs (200), vorgeschlagen, wobei ein Kommunikationsmodul (1) der Hochvoltbatterie (100) in regelmäßigen Zeitabständen drahtlos Informationen zum Zustand der Hochvoltbatterie (100) sendet.
Resumen de: WO2026216254A1
This invention is characterized by comprising: a winding mechanism (110) which has a rotatable winding core (111) and which winds a first electrode (11), a second electrode (12), and a separator (13) by rotation of the winding core (111); and a transport mechanism (120) that performs transport with respect to the winding core (111). This invention is also characterized in that: the transport mechanism (120) has a cutting device (131) that cuts the first electrode (11), and a transport device (133) that is disposed closer to the winding core (111) than the cutting device (131) and that transports the first electrode (11) to the winding core (111) by rotation of transport rollers (134); the transport device (133) is configured to enable adjustment of the position of the first electrode (11) in the width direction; and during at least a partial period when the first electrode (11) is wound, the speed at which the first electrode (11) is wound around the winding core (111) is made greater than the speed at which the first electrode (11) is transported by the transport device (133).
Resumen de: WO2026214208A1
A battery cell. The battery cell comprises a positive electrode sheet. The positive electrode sheet comprises a positive electrode current collector, a positive electrode film layer arranged on at least one side of the positive electrode current collector, and a bottom coating located between the positive electrode current collector and the positive electrode film layer arranged on at least one side of the positive electrode current collector, wherein the positive electrode film layer comprises polycrystalline particles, the bottom coating comprises first single crystal particles, the volume particle size distribution Dv99 of the first single crystal particles ranges from 10 μm to 20 μm, the first single crystal particles comprise cobalt, and on the basis of the total number of moles of transition metals in the first single crystal particles, the molar ratio of cobalt in the first single crystal particles ranges from 4.5% to 10%.
Resumen de: DE102025114520A1
Die vorliegende Erfindung betrifft ein Energiespeichermodul (100), insbesondere Batteriemodul, umfassend ein Gehäuse (102), einen Fluideinlass (116) in das Gehäuse, einen Fluidauslass (118) aus dem Gehäuse, einen Fluidverteilkanal (152), der mit dem Fluideinlass (116) verbunden ist, einen Fluidsammelkanal (154), der mit dem Fluidauslass (118) verbunden ist, mehrere Energiespeicherelemente (106), und mindestens einen Temperierraum (124), in welchem sich die Energiespeicherelemente (106) zumindest teilweise erstrecken,- wobei die Energiespeicherelemente (106) in einer regelmäßigen Anordnung (130) angeordnet sind, die in einem Randbereich (134), der dem Fluidverteilkanal (152) zugewandt ist, und/oder in einem Randbereich (134), der dem Fluidsammelkanal (154) zugewandt ist, mehrere Lücken (132) aufweist,- wobei der Fluidverteilkanal (152) einen oder mehrere Vorsprünge (160) aufweist, die sich zumindest teilweise in die Lücken (132) erstrecken, und der Fluidverteilkanal (152) eine oder mehrere Fluideintrittsöffnungen (156) aufweist, die in oder an dem oder den Vorsprüngen (160) angeordnet sind, und/oder- wobei der Fluidsammelkanal (154) einen oder mehrere Vorsprünge (160) aufweist, die sich zumindest teilweise in die Lücken (132) erstrecken, und der Fluidsammelkanal (154) eine oder mehrere Fluidaustrittsöffnungen (157) aufweist, die in oder an dem oder den Vorsprüngen (160) angeordnet sind.Ferner betrifft die vorliegende Erfindung eine Energiespeichereinrichtung mit
Resumen de: US20260321726A1
0000 Herein disclosed is an electrolyte for use in a battery comprising: an electrolyte salt; a solvent; and a nitrogen-containing Lewis base additive having a stronger electron-donating ability than the solvent. A method for forming the electrolyte, a battery comprising the electrolyte, and a method for forming the battery, are disclosed herein.
Resumen de: US20260321625A1
0000 Provided is a surface treatment process to dictate the surface chemistry of a negative electrode for sodium-ion batteries. In particular, the surface treatment process eliminates and, in some instances, replaces the native oxide of the alloy-type negative electrode material with more favorable amounts of species, such as PbCl<2 >or PbF<2>, derived from the acid etch composition. The surface treatment process may include a washing step with a solution composition tailored to the surface chemistry after the acid etching step. The initial Coulombic efficiency and utilization of the active material in the surface-treated negative electrode is above 90%, relative to the theoretical maximum, for both metrics. Specific classes of solvents need to be avoided and used to enable the surface-treated negative electrode. These results indicate that engineering the surface chemistry of an alloy material enables a new class of negative electrode active materials for sodium-ion batteries.
Resumen de: US20260321748A1
Provided are an energy storage module and an energy storage system including the same. The energy storage module according to embodiments includes a plurality of batteries, a plurality of bus bars that electrically connect the plurality of batteries, and a wiring circuit member that transmits status information of each of the plurality of batteries to a battery management system (BMS) through a plurality of wiring lines connected to each of the plurality of bus bars, wherein the wiring circuit member includes an upper wiring sub-circuit member and a lower wiring sub-circuit member that each includes a part of the plurality of wiring lines and are substantially vertically stacked.
Resumen de: US20260316614A1
0000 A system includes a battery, wherein the battery includes a battery module and one or more controllers configured to generate a charging current for the battery module based on a maximum temperature-based charging current and a maximum capacity-based charging current.
Resumen de: US20260321647A1
Compositions and methods are disclosed for fast-charging silicon-based lithium-ion batteries meeting the energy density and cycle life requirements of unmanned aerial systems and other high-performance applications. Three classes of Si/SiOx anode particle surface modification are provided: organosilylation using silylating reagents including hexamethyldisilazane to yield organosiloxy Si—O—Si(CH3)3 surface groups; phosphorylation with phosphoric acid, polyphosphoric acid, or phosphonate reagents including DTPMP to yield surface organophosphate ester groups; and direct surface grafting with poly(vinyl methyl ether-alt-maleic anhydride) (PVME-MA) via anhydride ring-opening reaction with surface silanol groups to form covalent Si—O—CO— ester bonds, confirmed by acid value titration. Polymer binder compositions include PVME-MA functionalized with 1-(3-aminopropyl)imidazole (PVME-MA-Im) yielding amic acid and imide linkages with pendant imidazole groups; imidazole-modified polyacrylic acid; aziridine-crosslinked polyacrylic acid; PEG diglycidyl ether-crosslinked polyacrylic acid; and polybenzimidazole-containing polyacrylic acid. All binder compositions are electrochemically stable at 4.5 V or above versus Li/Li+. Electrode compositions combining PVME-MA surface-grafted Si/SiOx particles with PVME-MA-Im binder provide an integrated active material-binder system in which the same polymer backbone serves dual roles through selective sequential reactivity with surface silano
Resumen de: US20260322034A1
A male battery connector, providing positional tolerance compensation, used for connection in electrical systems in electrical vehicles, is mounted on a battery control unit for the connection to a header of a battery pack. The male battery connector includes an insulating housing that houses a screw suitable to mechanically connect the male battery connector to said header and conductive elements having a conductor braid and a sleeve suitable to electrically connect the male battery connector to the header. The housing includes a vertical element, a horizontal element, and a coupling element coupling the vertical element with the horizontal element and movable vertically onto the vertical element. The horizontal element is movable onto the coupling element, along a first direction and a second direction perpendicular to each other, on a plane perpendicular to the vertical movement direction of the coupling element.
Resumen de: US20260319005A1
0000 A system includes a bus, a primary coil, and a first circuit coupled between the bus and the primary coil. A first secondary coil is DC-isolated from the primary coil. A second secondary coil is DC-isolated from the primary coil. The system also includes first and second battery terminals. A second circuit is coupled between the first secondary coil and the first battery terminals. A third circuit is coupled between the second secondary coil and the second battery terminals. A controller is coupled to the first circuit, the second circuit, and the third circuit. The controller is configurable control at least two of the first circuit, the second circuit, and the third circuit to transfer energy either from the first secondary coil to the primary coil and then from the primary coil to the second secondary coil, or from the first secondary coil directly to the second secondary coil.
Resumen de: US20260321868A1
A pressure relief device is disclosed, such as may be used with a battery. According to one embodiment, the pressure relief device may comprise a flanged portion; a curved surface; and a line of weakness on the curved surface. The line of weakness may comprise a first end, a central line portion, and a second end, wherein at least one of the first end or the second end extends outside of a plane defined by the central line portion. The curved surface may have an aspect ratio greater than 1:1.
Resumen de: WO2026216129A1
This method for producing a sulfide-based solid electrolyte material comprises: a raw material preparation step (S01) for preparing an electrolyte raw material containing elements constituting the sulfide-based solid electrolyte material; and a synthesis step (S02) for synthesizing the sulfide-based solid electrolyte by heating the electrolyte raw material. In the raw material preparation step (S01), a sulfur raw material is blended such that the ratio of sulfur in the electrolyte raw material exceeds the stoichiometric ratio of a target composition. In the synthesis step (S02), the synthesis is performed in the presence of liquid-phase sulfur at the point when the electrolyte raw material has been heated to 400 °C.
Resumen de: WO2026214217A1
A battery cell and a manufacturing method therefor, a secondary battery, and an electric device, relating to the technical field of secondary batteries. By controlling the roughness of a second coating to be greater than the roughness of a first coating, a capillary effect formed between the second coating and a negative electrode sheet is stronger than a capillary effect formed between the first coating and a positive electrode sheet, and an electrolyte wicking channel formed between the second coating and the negative electrode sheet is superior to an electrolyte wicking channel formed between the first coating and the positive electrode sheet, so that an electrolyte absorption rate on a negative electrode side is greater than an electrolyte absorption rate on a positive electrode side, thereby matching the requirements of the negative electrode sheet and the positive electrode sheet for an electrolyte, rapidly supplementing the electrolyte on the negative electrode side, fully utilizing the electrolyte, and improving the cycle performance of the secondary battery.
Resumen de: WO2026216049A1
This controller acquires a movement route from a charging spot through which a mobile body passes to a destination of the mobile body, and, if a movement load required for the mobile body to travel along the movement route is equal to or less than a predetermined threshold value, sets an upper limit of a charging control value at the charging spot to be higher than an upper limit set when the movement load is greater than the predetermined threshold value, and limits the charging control value on the basis of the upper limit.
Resumen de: WO2026215029A1
A battery pack for a vehicle and a vehicle are disclosed The battery pack includes a battery pack body, a thermal management device, and a sealing assembly. The thermal management device includes a connecting pipe. The sealing assembly includes a mounting seat and a first sealing ring. The mounting seat is provided with an assembly hole, and the first circumferential edge of the assembly hole is provided with a plurality of notches. The first sealing ring includes an annular body and a plurality of protrusions extending outwardly from the annular body. The annular body is disposed in the assembly hole, and the plurality of protrusions are engaged with the notches, respectively. When the sealing assembly is mounted on the battery pack body, the annular body is sealingly sleeved on the connecting pipe, and the notches, together with the protrusions, prevent the first sealing ring from circumferential movement and deformation, so that the annular body and the connecting pipe maintain good sealing contact.
Resumen de: US20260321802A1
0000 The present disclosure relates to a battery module including at least one battery cell. The battery module may comprise a housing in which at least one battery cell is arranged, a heat blocking assembly arranged on at least a surface of the battery cell, and an upper bracket arranged on an upper portion of the battery cell. Based on a height direction of the battery cell, at least a portion of the upper bracket may be in surface contact with the heat blocking assembly.
Resumen de: US20260321750A1
0000 A rechargeable battery pack supplies electrical drive power to an electrically driven piece of work equipment. The rechargeable battery pack has an, in particular cuboid, cell block, a battery management system and an FPC connector. The cell block has rechargeable battery cells. The battery management system is designed to detect electrical measurement signals, in particular cell voltages, of the rechargeable battery cells. The FPC connector has electrical measurement conductor paths, wherein the measurement conductor paths provide electrical measurement connections of the battery management system to the rechargeable battery cells. The measurement conductor paths are designed to transmit the measurement signals. The FPC connector has electrical overcurrent protection fuses which are designed to interrupt the measurement conductor paths, in particular in each case, to protect the battery management system against an electrical overcurrent. The FPC connector extends at least on a first block circumferential side of the cell block over more than 50%, in particular over 100%, of a distance from a first end of the block circumferential side, which adjoins a first block front side of the cell block, to a second end of the block circumferential side, which adjoins a second block front side of the cell block, wherein the second block front side is located opposite the first block front side.
Resumen de: US20260321814A1
A battery cell includes: a rectangular outer casing configured to house an electrode body; an insulating film covering surfaces of the outer casing other than a lid portion of the outer casing; an overlapping portion where edges of the insulating film are overlapped on one of the surfaces of the outer casing other than the lid portion; and a heat-conducting member configured to seal the overlapping portion by contacting the overlapping portion.
Resumen de: WO2026216826A1
The present disclosure relates to a lithium secondary battery and a method for manufacturing same. One embodiment provides a lithium secondary battery comprising: a positive electrode; a negative electrode including a negative electrode current collector; and a volume change absorption layer disposed between the positive electrode and the negative electrode, wherein the volume change absorption layer includes a porous support and a metal carbide layer disposed on the porous support.
Resumen de: US20260319004A1
A system includes: a device under test (DUT) packaged in an assembly; a voltage measurement circuit coupled to the DUT and configurable to obtain a voltage measurement representing a voltage across the DUT; a current measurement circuit coupled to the DUT and configurable to obtain a current measurement representing a current through the DUT; and a processing circuit coupled to the voltage measurement circuit and the current measurement circuit. The processing circuit is configurable to: receive the voltage measurement; receive the current measurement; and compute an impedance spectrum of the DUT responsive to the voltage measurement, the current measurement, and parameters specific for the assembly.
Resumen de: WO2026214849A1
An aerosol generating device is disclosed, the device comprising: a battery having a lithium-ion chemistry and comprising silicon in an anode; a heater configured to receive electrical power from the battery; a sensor configured to measure a voltage characteristic of the battery and a charging or discharging behaviour of the battery; and a controller configured to determine a parameter that is indicative of the state of charge of the battery based on the measured voltage characteristic and the charging or discharging behaviour of the battery.
Nº publicación: WO2026215903A1 15/10/2026
Solicitante:
PALICHA KAUSHIK [IN]
SESHADRI HARINIPRIYA [IN]
PALICHA, Kaushik
SESHADRI, Harinipriya
Resumen de: WO2026215903A1
The present disclosure provides a Calcium ion battery that employs Calcium bentonite clay (Ca-BC) as cathode active material (CAM), an anode comprising Carbon black (CB) as anode active material (AAM), and CaSO4 electrolyte- containing separator membrane The Calcium ion battery in a coin cell form exhibits highest specific capacity of 144.48 mAh/g at 0.066 C rate, and 0.0084 A discharge current; a cycle stability of 54300 cycles at 0.066 C-rate; and a Gravimetric Energy Density of 0.222 kWh/kg at a discharge current of 0.1271 A.
BOPI
Sede Electrónica
