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1603
resultados
Última actualización
24/06/2026 [07:18:00]
Resultados 225 a 250 de 1603
Resumen de: US20260169081A1
0000 In a method for estimating a state of charge, the state of charge of a battery in a charging process is calculated based on the Coulomb integration method until the battery enters a float charging mode. A first curve and a second curve are generated based on the state of charge, a corresponding charging voltage, and a corresponding charging current. After resting the battery, a first present resting open-circuit voltage of the battery is measured. A findable charging voltage and a findable charging current corresponding to the present state of charge of the battery are respectively found from the first curve and the second curve. Finally, a first resting state of charge of the battery is determined based on the present state of charge, the first present resting open-circuit voltage, the findable charging voltage, and the findable charging current.
Resumen de: WO2026123621A1
Disclosed in the present application are a battery cell performance parameter prediction method and apparatus, and an electronic device. The method comprises: acquiring a target slurry, wherein the target slurry is used for constructing a battery cell of a target type; determining test data corresponding to the target slurry under experimental parameters, wherein the test data comprises impedance test data; inputting the impedance test data into an equivalent circuit model and performing fitting, so as to obtain a plurality of circuit parameter values, wherein the equivalent circuit model is constructed on the basis of the battery cell of the target type; and on the basis of the plurality of circuit parameter values, predicting performance parameters of a battery cell manufactured using the target slurry under the experimental parameters. The present application solves the technical problem in the related art of it being difficult to conveniently determine battery-cell-related performance parameters on the basis of a slurry.
Resumen de: US20260166581A1
0000 A slot die includes a first body, a second body, and a coater shim. The first body has a plurality of manifolds divided to independently accommodate an electrode slurry in isolation from each other. The second body is engaged to the first body to maintain a pressurized sealing of the plurality of manifolds, and the coater shim is tightly interposed between the first body and the second body to form a plurality of slits in communication with the plurality of manifolds between the coupling surfaces of the first body and the second body.
Resumen de: AU2025206648A1
A cell module assembly, according to one embodiment of the present invention, may comprise: a battery cell stack in which a plurality of battery cells are stacked; and a blocking unit disposed between at least one and at least another one of the plurality of battery cells, wherein the blocking unit may include a plurality of support plates and a first buffer member that is interposed between adjacent support plates.
Resumen de: AU2025207753A1
A cell module assembly according to an embodiment of the present invention comprises: a battery cell stack in which a plurality of battery cells are stacked; a bus bar housing disposed on the side which electrode leads of the battery cells face; an inter connection board (ICB) disposed in the bus bar housing and comprising a printed circuit board (PCB) having at least one device to transmit data between the battery cells and a battery management system (BMS), and a sensing cable connector to which a sensing cable is coupled; and a connector cover covering the sensing cable connector and the outer surface of a connector pin of the sensing cable.
Resumen de: WO2026124104A1
The present application relates to the technical field of batteries, and discloses a battery and a battery pack. The battery comprises: an outer case having an accommodating cavity and an opening in communication with the accommodating cavity; an inner case provided in the accommodating cavity, wherein the inner case has an electrolyte injection cavity, the electrolyte injection cavity is in communication with the opening in a first direction, and electrolyte storage cavities are defined between the inner case and the outer case; an electrode assembly arranged in the electrolyte injection cavity; a cover assembly covering the opening, wherein a first gap is reserved between the cover assembly and the inner case in the first direction, the first gap makes the electrolyte injection cavity in communication with the electrolyte storage cavities, the cover assembly is provided with an electrolyte injection hole, and the electrolyte injection hole is in communication with the electrolyte injection cavity; and unidirectional communication members arranged on the inner case, wherein the unidirectional communication members are configured to allow unidirectional communication from the electrolyte storage cavities to the electrolyte injection cavity when the pressure of the electrolyte storage cavities exceeds a threshold. The present application is conducive to reducing the problem of wrinkles forming on electrode assemblies during charging and discharging of batteries, and prolonging
Resumen de: US20260171529A1
The present invention discloses an XGBoost-based lithium-ion battery thermal runaway acoustic source localization error compensation method. Acoustic signals in an energy storage cabin are collected using a fixed microphone array, including time delay data, cross power spectrum data, and acoustic source localization coordinates calculated by a conventional geometric method. The localization error is calculated by comparing the geometric localization coordinates with actual acoustic source position coordinates, and a feature vector is constructed based on the extracted acoustic features. These feature vectors are used to train an XGBoost model. In practical applications, real-time time delay data, cross power spectrum data, and geometric localization coordinates are input into the trained model, and the predicted error value is used to correct the geometric acoustic source localization results, thereby obtaining a more accurate acoustic source position for a thermal runaway lithium-ion battery.
Resumen de: WO2026124142A1
The present application provides a sodium supplementing material and a preparation method therefor, a positive electrode sheet, and a sodium-ion battery. The sodium supplementing material comprises an organic sodium supplementing agent body, and a conductive agent and a composite catalyst which are at least partially coated by the organic sodium supplementing agent body. The composite catalyst has a core-shell structure. The core layer of the core-shell structure comprises a metal oxide catalyst, the shell layer of the core-shell structure comprises an electrochemically stable material, and the electrochemically stable material is a material having electrochemical stability under charge and discharge test conditions from a first-cycle charging voltage of 4.1 V to a first-cycle discharging voltage of 1.5 V and from a cyclic charging voltage of 3.5 V to a cyclic discharging voltage of 1.5 V.
Resumen de: US20260171556A1
0000 A pressurization mechanism for an all-solid-state battery including an all-solid-state battery cell arranged inside a fluid chamber filled with fluid, and a pressurization part having the fluid chamber and applying a predetermined pressure to the all-solid-state battery cell via the fluid. The fluid may be oil. The predetermined pressure may be generated by applying pressure to the fluid chamber. The pressurization part may include an upper shell member, a lower shell member, and a metal bellows arranged in a space defined by the upper shell member and the lower shell member.
Resumen de: US20260171473A1
A jelly-roll electrode assembly may include a first separator, a negative electrode, a second separator, and a positive electrode, which are sequentially laminated and wound. A core portion of the jelly-roll electrode assembly includes a rigid film disposed between the first separator and the second separator. A length of the rigid film in a longitudinal direction may be from 100% to 150% of an inner circumference of the jelly-roll electrode assembly and a tensile strength of the rigid film may be from 18 kgf/mm2 to 25 kgf/mm2. A secondary batter may include the jelly-roll electrode assembly, and the jelly-roll electrode assembly may be manufactured by a method described herein.
Resumen de: WO2026124216A1
The present invention relates to the technical field of aircrafts, and provides an aircraft fuselage module, comprising a frame, bottom plate modules (1), cover plates (2) and batteries (3). The bottom plate modules (1) and the cover plates (2) are located on the inner side of the frame, and are connected to the frame to form cavities (4). The batteries (3) are arranged in the cavities (4), and are used for supplying power to an aircraft. The batteries (3) are integrated with a fuselage. The frame, the bottom plate modules, and the cover plates serve as both a load-bearing structure for the fuselage and a load-bearing structure for the batteries (3), are conducive to reducing the overall weight of the aircraft to realize light weight, and can provide higher fuselage rigidity and strength for the aircraft and the batteries (3), and help to solve the problem of thermal runaway of the aircraft. In the aircraft, several airframe modules (13) are connected to the fuselage module to form an aircraft body, thereby realizing modular assembly. At the end of the service life of the batteries (3) of the aircraft, the fuselage module can be rapidly replaced to realize the replacement of a new aircraft body and new batteries (3); alternatively, during operation, rapid replacement of the fuselage structure of the batteries (3) can be achieved to realize efficient operation, thereby providing an efficient design for later maintenance, after-sales service, and operation.
Resumen de: US20260171541A1
0000 A fluid collecting component includes an apparatus body, where the apparatus body is provided with a main inlet, a main outlet, a plurality of branch inlets, and a plurality of branch outlets, where the plurality of branch outlets are in communication with the main outlet; an extension flow channel is formed inside the apparatus body; one end of the extension flow channel is in communication with the main inlet, and the other end thereof extends toward a side away from the main inlet; one of the plurality of branch inlets are in communication with the main inlet, and the others are in communication with the extension flow channel; the number of the branch inlets is equal to the number of the branch outlets, and the branch inlets are in one-to-one correspondence to the branch outlets; and the branch inlets are adjacent to the corresponding branch outlets.
Resumen de: WO2026123575A1
A cast-welding device for a pole terminal, comprising a bearing plate (1), and further comprising a cast-welding flux tank (2) on the top of the bearing plate (1). A molten tin tank (3) is further mounted on the top of the bearing plate (1), a dipping mechanism (4) is provided on the tops of the cast-welding flux tank (2) and the molten tin tank (3), a soaking mechanism (5) is provided on one side of the bearing plate (1), a discharging mechanism (6) is provided on one side of the soaking mechanism (5), and a filtering mechanism (7) is provided at the bottom of the discharging mechanism (6). The device can prevent a large number of gas pores from being generated in pole terminals during molten lead casting. The present invention also relates to an operating method for the cast-welding device for a pole terminal.
Resumen de: WO2026124205A1
The present application relates to the technical field of positive electrode materials of sodium-ion batteries, and provides a sodium iron phosphate-pyrophosphate positive electrode material, and a preparation method therefor and the use thereof. The D50 of the sodium iron phosphate-pyrophosphate positive electrode material is 2-10 μm, and the maximum particle size of the sodium iron phosphate-pyrophosphate positive electrode material is less than 25 μm; and the internal porosity of the sodium iron phosphate-pyrophosphate positive electrode material is less than 14%, and the compaction density thereof is greater than 2.17 g/cm3. The present application is conductive to improving the compaction density of the sodium iron phosphate-pyrophosphate positive electrode material.
Resumen de: WO2026123479A1
The present application relates to the technical field of batteries, and provides a conductive adhesive and a preparation method therefor, a negative electrode sheet, and a battery. The conductive adhesive has a structural formula as shown in formula (1), where m:n = (1-4):1.
Resumen de: US20260171637A1
0000 An all-solid-state battery according to an embodiment includes: a cell laminate including a solid electrolyte layer; a positive electrode layer and a negative electrode layer disposed with the solid electrolyte layer interposed therebetween; and margin layers disposed at edges of the positive electrode layer and the negative electrode layer in a lateral direction, wherein the margin layer includes aluminosilicate particles (Al<2>SiO<5>), the margin layer includes ceramic glass that does not contain lithium, and the aluminosilicate particles are included in an amount of 10 vol % to 70 vol % based on the entire volume of the margin layer.
Resumen de: US20260171599A1
A battery module may include a cell assembly including multiple battery cells that are mutually stacked, a module case configured to accommodate the cell assembly in an internal space, and a cover portion that is coupled to an outer surface of the module case and has a blocking layer disposed between the module case and the cover portion to block an entry and exit of flames and reduce heat transfer. In addition, the blocking layer may be formed in a foam form, may be coupled to the cover portion and may be integrally formed with the cover portion.
Resumen de: WO2026124606A1
Disclosed in the present application are a preparation method for a hydrophobic aerogel, a composite material and a preparation method therefor, and a battery device. The preparation method for the hydrophobic aerogel comprises: mixing a precursor hydrolysate, a catalyst and a hydrophobic agent to form a mixed prepolymer solution, and reacting the mixed prepolymer solution to obtain a prepolymer wet gel; and drying the prepolymer wet gel. In this way, by directly using the precursor hydrolysate, a precursor hydrolysis step is omitted. During the reaction with the hydrophobic agent, the hydrophobic agent no longer participates in the hydrolysis of the precursor, and participates more in the modification reaction, thereby reducing the consumption of the hydrophobic agent. In addition, in the present application, no separate operation step or device is required for hydrophobic modification, and therefore the preparation method for the hydrophobic aerogel provided in the present application is simpler in operation, more environmentally friendly, and more cost-saving.
Resumen de: WO2026123463A1
Provided in the present application are a battery and an electric device. The battery comprises a connector and a packaging portion. The connector has an electrode lead-out portion configured for connection to an electrode of the battery and a tab connecting portion configured for connection to a tab of the battery. At least part of the structure of the packaging portion is arranged at the junction between the electrode lead-out portion and the tab connecting portion, and/or at least part of the structure of the packaging portion is arranged at the junction between the electrode lead-out portion and the electrode of the battery.
Resumen de: WO2026123663A1
An electrolyte for a high-nickel positive electrode, a lithium-ion battery, and a liquid injection method therefor, relating to the technical field of battery manufacturing. In the liquid injection method for the lithium-ion battery, a first liquid injection process and a second liquid injection process are used to respectively inject a first electrolyte having a high-concentration lithium salt and a second electrolyte having low viscosity. Accordingly, a dense CEI layer is formed on the surface of a high-nickel positive electrode, and a low-viscosity linear carbonate added via the second injection significantly reduces the overall viscosity of the electrolyte and increases the ion mobility of a battery cell during cycling so as to improve kinetic performance, thereby effectively alleviating the problem of increased internal resistance of the battery caused by the high viscosity resulting from the high-concentration lithium salt.
Resumen de: US20260171391A1
0000 This application relates to the technology field of batteries, and provides a positive electrode sheet and a battery, including a positive electrode current collector and a positive electrode active material layer disposed on a surface of the positive electrode current collector. The positive electrode active material layer includes a positive electrode active material, and includes a concave-convex area including a plurality of concave portions and convex portions disposed corresponding to the concave portions. In a nitrogen environment, the positive electrode active material layer has a weight loss rate ρ in a temperature range from 35° C. to 450° C., and the ρ satisfies: 1.1%-6%.
Resumen de: WO2026123452A1
An electrolyte solution, an electrolyte and a preparation method therefor, and a lithium-ion battery. The electrolyte solution comprises an organic solvent, a lithium salt, and a polymer monomer, wherein the polymer monomer comprises an acrylate monomer and a thioether monomer. The thioether monomer can introduce disulfide bonds into a generated solid polymer, and the disulfide bonds have dynamic reversibility, allowing the reformation of a solid polymer interface protection layer at a crack in a solid electrolyte interphase.
Resumen de: WO2026123631A1
The present application relates to the technical field of batteries, and provides a positive electrode active material and a preparation method therefor, a positive electrode sheet, and a battery. The positive electrode active material comprises a ternary material and lithium manganese iron phosphate, wherein the mass of lithium manganese iron phosphate is A and the total mass of the ternary material and lithium manganese iron phosphate is B, both of which satisfy: 0
Resumen de: DE102025152640A1
Die vorliegende Erfindung offenbart ein Verfahren und eine Vorrichtung zur Vorhersage von Ausdehnungskräften in Batteriezellen und betrifft den Bereich der Batteriezellenprüftechnik. Das Verfahren umfasst: das Sammeln von ersten Ausdehnungskraftdaten eines bestimmten Batterietyps innerhalb eines vordefinierten Gesundheitsbereichs; das Aufstellen einer ersten linearen Regressionsgleichung für den bestimmten Batterietyp auf der Grundlage der ersten Ausdehnungskraftdaten und der im vordefinierten Gesundheitsbereich enthaltenen Gesundheitszustandsdaten; und das Vorhersagen der Ausdehnungskraftdaten über den gesamten Lebenszyklus des bestimmten Batterietyps auf der Grundlage der ersten linearen Regressionsgleichung, die dem bestimmten Batterietyp entspricht, um Designreferenzdaten für Batteriemodule bereitzustellen, die den bestimmten Batterietyp verwenden. Diese Implementierungsmethode kann den Prozess der Erfassung von Daten zur vollständigen Ausdehnungskraft über den gesamten Lebenszyklus vereinfachen und die Erfassungszeit verkürzen.
Nº publicación: DE102024138229A1 18/06/2026
Solicitante:
PORSCHE AG [DE]
Dr. Ing. h.c. F. Porsche Aktiengesellschaft
Resumen de: DE102024138229A1
Traktionsbatterie eines Kraftfahrzeugs, mit mehreren Batteriezellen (12), wobei jede Batteriezelle (12) als Festkörperbatteriezelle ausgebildet ist, die eine als Kathode (13) dienende erste Elektrode, eine als Anode (14) dienende zweite Elektrode und einen zwischen den Elektroden angeordneten Festkörperelektrolyten (15) aufweist, wobei der Festkörperelektrolyt (15) der jeweiligen Batteriezelle (12) als Sulfid-Festkörperelektrolyt ausgebildet ist, und wobei die Kathode (13) als NMC-Kathode oder LMFP-Kathode oder LFP-Kathode oder NCA-Kathode oder NMO-Kathode oder Nickelbasis-Kathode ausgebildet ist, wobei Partikel eines NMC-Werkstoffs oder LMFP-Werkstoffs oder LFP-Werkstoffs oder NCA-Werkstoffs oder NMO-Werkstoffs oder Nickelbasis-Werkstoffs der Kathode (13) in Li3PO4oder LiNbO3oder LiTaO3oder Li2ZrO3oder Li4Ti5O12eingebettet sind.
BOPI
Sede Electrónica
