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835
resultados
Última actualización
14/07/2026 [08:42:00]
Resultados 25 a 50 de 835
Resumen de: WO2026148181A1
Synthesizing a garnet-type lithium lanthanum zirconate includes combining a lithium component and a doped pyrochlore to yield a mixture and plasma processing the mixture under ambient conditions to yield the garnet-type lithium lanthanum zirconate.
Resumen de: DE102025100316A1
Eine Batteriezelle weist eine Kathode, einen Anode und einen Separator auf, wobei die Kathode einen Kathoden-Stromkollektor und ein zwischen dem Kathoden-Stromkollektor und dem Separator angeordnetes, poröses Kathoden-Aktivmaterial aufweist, wobei die Anode einen Anoden-Stromkollektor und ein zwischen dem Anoden-Stromkollektor und dem Separator angeordnetes, poröses Anoden-Aktivmaterial aufweist. In dem Kathoden-Aktivmaterial und/oder dem Anoden-Aktivmaterial befinden sich längliche Strukturen, die porös und/oder nicht-leitend sind. Die Batteriezelle kann in einer Traktionsbatterie eines Fahrzeugs verwendet werden.
Resumen de: WO2026144958A1
Disclosed in embodiments of the present disclosure are a battery device, an electric device, an energy storage device, and a battery cell. The battery device comprises at least two battery cells. Each battery cell comprises: a casing, comprising a casing body and a first casing wall connected to the casing body, wherein the first casing wall is located at an end portion of at least one side of the casing body in the direction of gravity, and the wall thickness of the first casing wall is greater than the wall thickness of the casing wall of the casing body; and in the direction of gravity, the at least two battery cells are stacked, and the first casing wall abuts against the adjacent battery cell.
Resumen de: US20260196612A1
0000 A manufacturing method of a battery cell includes molding a resin sheet into a resin layer. The resin sheet includes an end face, a first side face, and a second side face. The end face faces in a first direction that follows a planar direction of an inner face in a disposed state. The first side face faces in a second direction that is perpendicular to the first direction and that also follows the planar direction. The first side face extends from the end face in a third direction that is a direction opposite to the first direction. The second side face faces in a fourth direction that is a direction opposite to the second direction. The second side face extends from the end face in the third direction. A dimension between the first side face and the second side face decreases farther away from the end face.
Resumen de: WO2026144543A1
An electrolyte membrane and a preparation method therefor, a solid-state battery, and an electric device. The electrolyte membrane comprises a polymer electrolyte base membrane and a halide solid electrolyte. The halide solid electrolyte is distributed in the polymer electrolyte base membrane, and the mass of the halide solid electrolyte is 0.05-50% of the mass of the polymer electrolyte base membrane. The electrolyte membrane solves the problem of an existing solid electrolyte membrane having poor interface stability between a positive electrode and a negative electrode.
Resumen de: WO2026144939A1
Provided in the embodiments of the present application are a lithium secondary battery and an electric device. The lithium secondary battery comprises a positive electrode sheet, a negative electrode sheet, an electrolyte, and a separator located between the positive electrode sheet and the negative electrode sheet, wherein the separator has a porosity of 28% to 50%; and the electrolyte comprises propylene carbonate and the compound of formula I, where R is selected from halogen, and n is an integer selected from 1-6. The lithium secondary battery provided in the embodiments of the present application has good low-temperature fast charging performance and cycle life.
Resumen de: US20260196648A1
0000 The present disclosure relates to a secondary battery and a battery pack including the the secondary battery. The present disclosure provides a secondary battery including a case forming an opening, an electrode assembly disposed within the case and including an electrode tab, a cap plate disposed in the opening, and a safety vent disposed between the cap plate and the electrode assembly, the safety vent connected to the electrode tab.
Resumen de: WO2026143273A1
The present invention describes a modular heat exchange system applied to a battery module and a method for manufacturing same. Specifically, the present invention comprises a modular heat exchange system applied to the base of the battery module, formed by a set of plates designed to make it possible to adjust and customize the configuration thereof according to the size, capacity, and/or geometric configuration of the battery pack, making it possible for different battery modules to be cooled and/or heated by means of the present system. Furthermore, the plates of the system comprise internal fluid circulation channels provided with fins and flanges that maximize the heat exchange between the fluid and the plates, improving the energy efficiency of the system. The present invention pertains to the fields of electrical engineering and mechanical engineering, relating to the area of heat exchange systems for automotive batteries and electric power systems.
Resumen de: US20260193100A1
0000 A method for manufacturing positive electrode particles coated with ceramic particles using a dry mixing and a single-stage sintering includes the steps of: mixing a nickel-cobalt-manganese hydroxide precursor, a lithium source and a LLZO precursor using a mixer to form a precursor mixture; then placing the precursor mixture into a sintering furnace and performing an oxygen assisted sintering to obtain a sintered powder formed by plural positive electrode particles, wherein each of the positive electrode particles includes a corresponding NCM particle coated with plural corresponding LLZO particles; then performing a mechanical crushing on the sintered powder and performing a sifting on the sintered powder using a sifter; and then the sintered powders is mixed with plural first carbon nanotubes and plural nanoscale amorphous carbons to form plural carbon-material-coated positive electrode particles.
Resumen de: WO2026148212A1
The present disclosure relates to methods and systems for extracting non-alkali metal content from inorganic solid waste using membraneless regenerative electrochemical processes.
Resumen de: US20260196500A1
0000 Provided are a cathode material and a preparation method therefor, a cathode sheet and a sodium-ion battery. The cathode material includes a composite particle, a molecular formula of the composite particle is Na<4>M
Resumen de: WO2026144555A1
The present application relates to a solid-state battery, a positive electrode active material, a preparation method, a positive electrode sheet, and an electric device. The solid-state battery comprises a positive electrode active layer, wherein the positive electrode active layer comprises a positive electrode active material and a solid electrolyte material. The positive electrode active material comprises a coated oxide-based active material. The coated oxide-based active material comprises a positive electrode active body and a coating layer located on at least part of the surface of the positive electrode active body, wherein the positive electrode active body comprises a lithium transition metal oxide, and the coating layer comprises a lithium metal oxyhalide; and the coating thickness of the coating layer in the coated oxide-based active material is relatively uniform.
Resumen de: WO2026144191A1
Provided in the present application are a battery cell, an electrode assembly and a manufacturing method therefor, a battery device and an electric device. The battery cell comprises a casing and an electrode assembly, wherein the electrode assembly is arranged in the casing. The electrode assembly comprises a solid-state electrolyte layer and a plurality of electrode sheets. In a first direction, the solid-state electrolyte layer is arranged between two adjacent electrode sheets. Each electrode sheet comprises an active material layer, and among two adjacent electrode sheets, the polarities of the active material layers facing the solid-state electrolyte layer located between the two adjacent electrode sheets are opposite. In the first direction, the four corners of the two electrode sheets that are farthest apart from each other are each provided with a chamfered structure. The four corners of the two electrode sheets that are farthest apart from each other being each provided with a chamfered structure helps reduce the risk of said corners puncturing a packaging pouch during isostatic pressing, facilitating improvement to the yield of the battery cell.
Resumen de: WO2026147769A1
The present application provides a binder composition for battery comprising a blend of (i) poly(methyl vinyl ether-co-maleic anhydride) copolymer; (ii) an alkylated polyvinylpyrrolidone; and (iii) at least one cellulose ether. Present application further discloses the use of the binder compositions in battery coating applications comprising conductive carbon coating compositions for aluminum foils and ceramic coating compositions for battery separators.
Resumen de: DE102025100280A1
Die Erfindung betrifft ein zumindest teilweise computer-implementiertes Verfahren zum Bestimmen eines Start-Ladezustands einer Gerätebatterie (41) eines technischen Geräts (4) nach einer Ausschaltphase, mit folgenden Schritten:- nach Feststellen eines Ausschaltens des technischen Geräts (S1), Bereitstellen (S2) von zuletzt erfassten Betriebsgrößenverläufen von Betriebsgrößen der Gerätebatterie;- Modellieren (S3) eines Klemmenspannungsverlaufs und eines Ladezustandsverlaufs für einen Zeitraum nach einem Ausschaltzeitpunkt des technischen Geräts mithilfe eines parametrierten elektrochemischen Batteriemodells;- Bereitstellen (S4) des Klemmenspannungsverlaufs und des Ladezustandsverlaufs in einem Batteriesteuergerät der Gerätebatterie;- bei Feststellen eines Einschaltens des technischen Geräts (S5), Messen (S6) einer Klemmenspannung zu einem Einschaltzeitpunkt;- Bereitstellen (S8, S9) des Ladezustands des modellierten Ladezustandsverlaufs für den Einschaltzeitpunkt als Startladezustand abhängig von dem Ergebnis eines Vergleiches der gemessenen Klemmenspannung und der modellierten Klemmenspannung zu dem Einschaltzeitpunkt.
Resumen de: WO2026144448A1
A battery, comprising a negative electrode, a positive electrode, and an ion-conducting layer. The ion-conducting layer is located between the negative electrode and the positive electrode, and a lithium replenishment layer is provided on the side of the ion-conducting layer facing the negative electrode. The negative electrode comprises a current collector and a lithiophilic transition layer provided on a surface of the current collector. The lithiophilic transition layer comprises a lithiophilic element capable of forming an alloy with lithium. In addition, the present application further relates to a preparation method for the described battery and an electrical apparatus comprising the described battery. The battery has high cycle performance and safety performance, and can overcome the problem of lithium dendrites caused by uneven deposition of lithium metal in existing copper-based lithium negative electrodes.
Resumen de: DE102025135577A1
Sekundärbatterie und Verfahren zum Herstellen einer Sekundärbatterie, wobei die Sekundärbatterie aufweist: ein Außengehäuse, eine Mehrzahl von Elektrodenstapeln, welche in einem Innenraum des Außengehäuses bereitgestellt sind, und eine refraktäre Isolationslage (330), welche zwischen der Mehrzahl von Elektrodenstapeln angeordnet ist.
Resumen de: DE102025107186A1
Erste Batteriemodulladungen und zweite Batteriemodulladungen werden durch Durchführen einer Integration von Batteriemodulströmen in Bezug auf die Zeit über einen ersten und einen zweiten Zeitraum erzeugt. Batteriezellengruppenkurven, die dem ersten und dem zweiten Zeitraum zugeordnet sind, werden erzeugt. Jede Batteriezellengruppenkurve ist für eine Ableitung der Zellengruppenspannungen einer Batteriezellengruppe als eine Funktion der Batteriemodulladungen repräsentativ. Modulmediankurven werden basierend auf den Batteriezellengruppenkurven erzeugt. Differenzen zwischen der Batteriezellengruppenkurve und den Modulmediankurven werden erzeugt. Ein Batterieweichkurzschlusswiderstand wird für eine Batteriezellengruppe basierend auf der Änderung der Ladung des Batteriemoduls über den ersten und den zweiten Zeitraum und den Spannungen und den Strömen der Batteriezellengruppe geschätzt.
Resumen de: WO2026146761A1
The present invention relates to a flame retardant surface pressure pad for a battery, comprising a polymer foam impregnated with a flame retardant which is an inorganic phosphorus binder, being positioned between secondary battery cells or modules for an electric vehicle, an energy storage system (ESS) or the like, and thus preventing or delaying thermal runaway.
Resumen de: WO2026146888A1
In a roll pressing apparatus for a dry material and a roll pressing method using same, the roll pressing apparatus comprises first and second rollers, third and fourth rollers, and a spray portion. The first and second rollers press a dry material, and the third and fourth rollers continuously press the dry material under the first and second rollers. In this case, the spray portion controls the transport path of the dry material by controlling bonding strengths of the first and second rollers with respect to the dry material.
Resumen de: US20260193099A1
0000 A method for manufacturing positive electrode particles having ceramic particles and a glass phase composite layer using precursors includes the steps of: mixing a nickel source, a manganese source, a cobalt source and a first dispersant to form a nickel-cobalt-manganese mixed slurry; then performing a drying and a sintering on the nickel-cobalt-manganese mixed slurry to obtain a nickel-cobalt-manganese precursor; then mixing a lithium source, a glassy conductor precursor, a LLZO precursor and a second dispersant to form a first precursor slurry; then mixing the nickel-cobalt-manganese precursor and a third dispersant to form a second precursor slurry and mixing the second precursor slurry with the first precursor slurry to form a third precursor slurry; then drying the third precursor slurry to obtain a precursor powder; and then performing a sintering on the precursor powder to obtain the positive electrode particles coated with LLZO particles and a glass phase layer.
Resumen de: WO2026145181A1
The present disclosure relates to the technical field of batteries, and particularly relates to a negative electrode sheet and a lithium-ion secondary battery comprising the negative electrode sheet. The negative electrode sheet comprises a negative electrode current collector and a negative electrode active coating located on the surface of at least one side of the negative electrode current collector. The negative electrode active coating comprises a negative electrode active material; the negative electrode active material comprises a silicon-carbon material; the silicon-carbon material comprises primary spherical particles; the mass content c of element Si in the negative electrode active coating is 1.5%-15%; the average particle size d of the primary spherical particles is 1 μm-6 μm. While ensuring a higher silicon content, the negative electrode sheet can allow a lithium-ion secondary battery comprising the negative electrode sheet to have a high energy density, and effectively ameliorate the problem of fracture and pulverization of negative electrode current collectors during a cycle process, thereby improving the cycle life of batteries.
Resumen de: WO2026146971A1
A battery cell alignment device according to one embodiment of the present invention comprises: a seating member on which battery cells are seated; an alignment member for aligning the battery cells; and a coupling bracket to which the alignment member is rotatably coupled. The battery cell alignment device according to one embodiment of the present invention can accurately align battery cells and shorten alignment time of the battery cells.
Resumen de: WO2026144695A1
The present application discloses a method and system for lithium plating detection of a battery, an electronic device, and a storage medium. The method for lithium plating detection of a battery comprises: intermittently charging a battery under test; sampling pulse current signals and corresponding voltage signals during intermittent charging of said battery, so as to obtain sampled current signals and sampled voltage signals in a plurality of states of charge; respectively converting the sampled current signal and the sampled voltage signal in each state of charge to obtain the electrochemical impedance of said battery in each state of charge; on the basis of the electrochemical impedance in the plurality of states of charge, determining a minimum impedance value within a preset frequency range in each state of charge; and on the basis of a variation pattern of the minimum impedance value with the state of charge, determining whether lithium plating occurs in said battery. The present application realizes real-time lithium plating detection during battery charging, simplifies the detection, and improves safety during charging.
Nº publicación: WO2026143951A1 09/07/2026
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
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Resumen de: WO2026143951A1
The present application relates to a solid-state battery and a preparation method therefor, a positive electrode sheet, and an electric device. The solid-state battery comprises a positive electrode active layer, wherein the positive electrode active layer comprises a coating-modified positive electrode material and a sulfide solid electrolyte. The coating-modified positive electrode material comprises a positive electrode active body and a coating layer, which is disposed on at least part of the surface of the positive electrode active body, wherein the positive electrode active body comprises an oxide-based positive electrode active substance; and the coating layer comprises a carbon electrically conductive substance and a metal fluoride.
BOPI
Sede Electrónica
