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1385
resultados
Última actualización
24/02/2026 [07:09:00]
Resultados 25 a 50 de 1385
Resumen de: WO2026037800A1
Proposed is a method for producing a sintered layer which can be used as a solid separator or part of an electrode in a battery cell, comprising: a) mixing (S1) particles of a solid electrolyte material and particles of a polymeric binder to form a pulverulent composition, wherein shear force is introduced into the pulverulent composition during or after the mixing, whereby the polymeric binder is obtained at least in part in fibrillary form in the pulverulent composition, wherein the pulverulent composition comprises ≤ 1 wt.% of the polymeric binder; b) forming (S2) a precursor layer from the composition obtained in a); and c) sintering (S3) the precursor layer to form the sintered layer (1).
Resumen de: WO2026037799A1
The invention relates to a method for producing a layer composite which is a pre-product for an electrode assembly of a battery cell, wherein the layer composite has at least one separator layer embedded on both sides, wherein the separator layer is embedded in a structure A-S-K or K-S-Cx, where A is an anode layer, K is a cathode layer, S is a separator layer, and Cx is a current-conducting layer for a bipolar battery cell, an anodic current-collecting layer or a cathodic current-collecting layer, wherein the layer composite contains a maximum of two separator layers S, and a maximum of one Cx layer, the method comprising: producing the structure A-S-K or K-S-Cx by joining and/or depositing the layers A, S, K or K, S, Cx simultaneously or in any order, wherein i) production takes place under the action of pressure and/or heat in order to bond at least the layers A and S and/or the layers K and S to one another under the influence of the pressure and/or the heat, and/or ii) during production, the layer K and/or A is formed by deposition on the layer S.
Resumen de: WO2026038022A1
The disclosure provides a method for separating a black mass material into first and second constituent parts. The first constituent part comprises or consists of particles of a hydrophobic material and the second constituent part comprises or consists of particles of a hydrophilic material. The method comprises providing an emulsion. The emulsion comprises a first liquid phase dispersed as droplets in a second liquid phase, and the second liquid phase is or comprises water. The method further comprises contacting the emulsion with the black mass material to provide an emulsion-material mix and thereby allowing the particles of the hydrophobic material to be adsorbed into or onto the droplets of the first liquid phase, and the particles of the hydrophilic material to remain in the second liquid phase. The method further comprises separating the particles of the hydrophobic material and the particles of the hydrophilic material to thereby separate the first and second constituent parts of the black mass material. 15
Resumen de: DE102024121718A1
Die Erfindung betrifft eine Batteriezelle (10) mit einem Gehäuse und einer innerhalb des Gehäuses angeordneten elektrochemischen Zelle (12), wobei das Gehäuse eine einem allgemeinen Zylinder mit geschlossener Leitkurve entsprechende zylindrische Grundform mit einer Grundfläche, einer zur Grundfläche parallelen Deckfläche und einer Mantelfläche aufweist. Das Gehäuse weist ein becherartig gestaltetes erstes Gehäuseteil (16), das im Bereich der Grundfläche und eines an die Grundfläche angrenzenden Teils der Mantelfläche angeordnet ist, ein becherartig gestaltetes zweites Gehäuseteil (18), das im Bereich der Deckfläche und eines an die Deckfläche angrenzenden Teils der Mantelfläche angeordnet ist, und ein hülsenartig gestaltetes drittes Gehäuseteil (20), das im Bereich zumindest eines Teils der Mantelfläche angeordnet ist, auf.Das erste und das zweite Gehäuseteil (16, 18) sind durch das dritte Gehäuseteil (20) verbunden.
Resumen de: WO2026037861A1
Method of producing a solid polymer electrolyte (3), comprising steps of: - preparing a precursor solution (5) comprising vinylene carbonate monomer, a lithium or sodium salt, a fluoroethylene carbonate plasticiser and a thermal radical initiator, said precursor solution (5) being substantially free of organic phosphorous compounds; - heating said precursor solution (5) to a temperature of between 50°C and 100°C for a duration between 30 minutes and 24 hours so as to polymerise said vinylene carbonate monomer by free radical polymerisation, wherein said precursor solution (5) comprises 40-65 wt% vinylene carbonate, 20-35 wt% fluoroethylene carbonate, 15-30 wt% of said lithium or sodium salt, and 0.01-2 wt.%, preferably 0.02-0.5 wt%, of said radical initiator.
Resumen de: WO2026037798A1
This invention relates to a cathode active material for solid-state batteries comprising Li, M and O, wherein M comprises Ni, Mn, B, wherein the molar ratio of Li and M, Li/M, is between 1.20 and 1.40; and wherein B is present in a surface coating and the B content, calculated versus the total molar fraction of Ni, Mn, and B in the coating, measured by X-ray photoelectron spectroscopy XPS of at least 25 mol%.
Resumen de: WO2026036341A1
A vehicle includes: an electric motor; and a battery pack, the battery pack comprising: a plurality of battery cells; a thermal management system configured to conduct thermal management of the battery pack; and a battery management system configured to: monitor at least one parameters of the battery pack; and detect a battery thermal runaway incident based on the at least one parameters of the battery pack. The vehicle further includes: a vehicle management system; and at least one load. When the battery thermal runaway incident is detected, the battery management system is configured to determine whether output power of the plurality of battery cells matches a target power. When the output power of the plurality of battery cells and the target power does not match, the vehicle management system sends a first control signal to discharge the plurality of battery cells through the at least one load.
Resumen de: US20260051756A1
Systems and methods are described for powering a load, such as a data center, with renewable energy from a renewable energy source. When the renewable energy is greater than a demand of the load, excess renewable energy is used to power a hydrogen production device or charge a battery depending on whether or not the charge level of the battery satisfies an upper threshold charge level, respectively. When the renewable energy is less than the demand of the load and the charge level of the battery satisfies a lower threshold charge level, the load is powered with energy from the battery. When the renewable energy is less than the demand of the load and the charge level of the battery does not satisfy the lower threshold charge level, the load is powered and the battery is charged with energy generated by the hydrogen-based energy generator.
Resumen de: WO2026036783A1
A battery cell (30), comprising: an electrode assembly (10), a casing (31), and an end cover (32). The end cover (32) covers an open end (31o) of the casing (31). The electrode assembly (10) comprises a wound structure (100). The wound structure (100) is formed by winding a first electrode sheet (11), a second electrode sheet (12), and separators (131, 132), provided between the first electrode sheet (11) and the second electrode sheet (12), in a winding direction (r). An end portion region (14) of at least one side of at least one of the first electrode sheet (11) and the second electrode sheet (12) in the winding direction (r) is provided with a protective portion (20). The protective portion (20) has an inner protective layer (21) and an outer protective layer (22). The inner protective layer (21) has a first side edge (211) in the winding direction, and the outer protective layer (22) has a second side edge (221) in the winding direction. The first side edge (211) and the second side edge (221) are at least partially offset from each other in the winding direction (r).
Resumen de: WO2026036786A1
Provided in the present application are an electrode assembly, a battery cell, a preparation method, a battery apparatus, and an electric apparatus. The preparation method for a battery cell comprises: providing an electrode assembly to be pressed, wherein at least one side of said electrode assembly in the thickness direction thereof is an outermost active material layer; bonding an adhesive layer on the outermost active material layer to form an intermediate assembly; pressing the intermediate assembly to obtain a pressed assembly, wherein the density of the pressed assembly meets a first preset density; removing the adhesive layer and the outermost active material layer of the pressed assembly to form an electrode assembly; and assembling the electrode assembly into a housing to prepare a battery cell. The energy density of battery cells can be increased.
Resumen de: WO2026036657A1
Disclosed are a housing assembly (100), a battery pack and an energy-storage power supply. The housing assembly (100) comprises a shell (10) and a cover plate (20). An accommodating cavity (40) for accommodating cells (30) is formed inside the shell (10), the shell (10) has a mounting wall (50), a fixing structure for fixing the cells (30) is formed on the side of the mounting wall (50) located in the accommodating cavity (40), through holes (51) are formed at corresponding positions of the fixing structure, and the cells (30) are in communication with the outside of the accommodating cavity (40) by means of the through holes (51). The cover plate (20) covers the side of the mounting wall (50) away from the accommodating cavity (40) so as to isolate the cells (30) from the outside. A groove is formed on the periphery of one of the cover plate (20) and the mounting wall (50), and a projection is formed on the periphery of the other, wherein the projection is inserted into the groove.
Resumen de: WO2026037068A1
The present application is applicable to the technical field of electric power. Provided are an intelligent management method for lithium batteries, and a terminal device and a computer-readable storage medium. The intelligent management method comprises: collecting voltages at two ends of each lithium battery from among N lithium batteries; separately determining whether N sampled voltages fall within a corresponding first preset voltage range; performing a capacity test on each lithium battery having a sampled voltage falling within the first preset voltage range; and charging an lithium battery, the actual battery capacity of which is greater than a preset capacity threshold value. The intelligent management method for lithium batteries provided in the present application is applied to an intelligent charge and discharge system, and by means of intelligent voltage measurement, capacity tests and charge decision-making, the use and maintenance processes of lithium batteries, especially of lithium batteries that have been used, are optimized, such that the lithium batteries are accurately managed and the use of same is optimized, thereby realizing the maximum utilization of resources while ensuring the safety and reliability of the batteries.
Resumen de: WO2026037062A1
The present invention provides a semi-solid-state battery, and a preparation method therefor and the use thereof. The preparation method comprises the following steps: 1) performing a curing treatment on a battery after liquid injection under 50-70°C and 500-2000 kg/f for 12-48 h, so as to obtain a cured battery; and 2) performing a formation treatment on the cured battery, so as to obtain a semi-solid battery. The semi-solid-state battery provided in the present invention has excellent low-temperature performance.
Resumen de: WO2026036978A1
A battery pack and an energy storage system, relating to the technical field of energy storage. The battery pack comprises: a battery case, a plurality of battery modules, a first transition connecting sheet, a second transition connecting sheet, and a turn-on connecting sheet. The plurality of battery modules are located in the battery case. The plurality of battery modules include a first battery module and a second battery module; the first battery module is provided with a first output electrode base and a first output electrode connecting sheet; and the second battery module is provided with a second output electrode base and a second output electrode connecting sheet. The first transition connecting sheet is located on the first output electrode base and is connected to the first output electrode connecting sheet, and has a resistance less than that of the first output electrode connecting sheet. The second transition connecting sheet is located on the second output electrode base and is connected to the second output electrode connecting sheet, and has a resistance less than that of the second output electrode connecting sheet. The turn-on connecting sheet has a first end connected to the first transition connecting sheet, and a second end connected to the second transition connecting sheet.
Resumen de: US20260051601A1
A battery pack may include a base plate, a side plate coupled to the base plate along a periphery of the base plate to form an accommodated space therein, a cross beam coupled to the base plate to transversely divide the accommodated space on the base plate, and a plurality of battery cell assemblies mounted in the accommodated space divided by the cross beam. In addition, the battery cell assemblies may have side frames fixed to the cross beam, and the side frames of adjacent battery cell assemblies along a longitudinal direction may share an upper surface of the cross beam located therebetween.
Resumen de: US20260051579A1
A battery module includes at least one battery cell, a module case configured to accommodate the at least one battery cell, a fire extinguisher disposed at least partially inside the module case and connected to a fire extinguishing tank containing a fire extinguishing agent to inject the fire extinguishing agent directly into the module case when a thermal runaway or fire occurs in the at least one battery cell and an insulation cover configured to cover the fire extinguisher at least partially and disposed at least partially inside the module case.
Resumen de: US20260051588A1
A rechargeable battery pack, in particular to an electrical contact apparatus for a rechargeable battery pack. The electrical contact apparatus includes a cell connector by way of which the electrical contact apparatus is electrically connectable to a battery cell, an electrical contact by way of which the electrical contact apparatus is connectable to a load and/or to a charging apparatus, and a flat connector for electrical and mechanical connection of the cell connector to the electrical contact. The cell connector is intermaterially connected in a first connecting region to the flat connector, and the flat connector is intermaterially connected in a second connecting region to the electrical contact. At least one intermaterial connection is effected using a welding process.
Resumen de: US20260051597A1
A power supply system, includes a battery pack system and an energy supply system; the battery pack system includes a backpack battery pack and a handheld battery pack, the backpack battery pack is configured to be detachably mounted to a first type of power tool to supply power thereto, and the handheld battery pack is configured to be detachably mounted to a second type of power tool to supply power thereto; wherein, the backpack battery pack is configured to be carried by a user; the energy supply system includes a DC charging device, and the DC charging device is configured to convert electric energy of the backpack battery pack and transmit the electric energy to the handheld battery pack, so that the backpack battery pack charges the handheld battery pack.
Resumen de: US20260051589A1
A CTP battery pack includes a housing and at least one battery cell module. The housing has at least one first accommodating cavity. Each battery cell module is disposed in one first accommodating cavity of the at least one first accommodating cavity. The at least one first accommodating cavity is filled with foam.
Resumen de: US20260051595A1
A protective plate includes a first composite layer having a thickness of d1 in mm, a metal substrate, and a second composite layer having a thickness of d2 in mm that are sequentially stacked, where d1>0, and d2≥0. The first composite layer and the second composite layer each includes a polymer base material and a reinforcing material, the reinforcing material includes nanoparticles, the first composite layer has a tensile strength of σ1 in MPa, the second composite layer has a tensile strength of σ2 in MPa, the metal substrate has a thickness of d3 in mm and a tensile strength of σ3 in MPa, and the protection plate meets a formula:d3(d1+d2)+d3×σ3(σ1+σ1)+σ3>0.032.
Resumen de: WO2026036833A1
The present application belongs to the technical field of battery materials, and provides a composite current collector, a preparation method therefor, and a secondary battery. The preparation method comprises the following steps: (1) unwinding a magnetron sputtering film and performing pretreatment; (2) plating a nickel-phosphorus alloy layer on at least one side surface of the magnetron sputtering film using a chemical nickel-phosphorus plating process; (3) performing pore-sealing treatment on the composite film obtained in step (2) using a silane pore-sealing process, the specific steps of the silane pore-sealing process comprising: performing pore-sealing treatment on the obtained composite film with a pore-sealing solution; and (4) performing double-sided copper plating on the pore-sealed composite film, followed by post-treatment to obtain the composite current collector. In the present application, the chemical nickel-phosphorus plating process and silane pore-sealing process are introduced before copper plating of the magnetron sputtering film, increasing the film surface density and adhesion, improving the yield, reducing the requirements for the thickness and sheet resistance of the magnetron sputtering film, and simultaneously lowering the probability of perforation of the magnetron sputtering film.
Resumen de: WO2026036500A1
The present invention relates to the technical field of resource recovery and reuse, and in particular to a method for enriching lithium from a medium- and low-concentration lithium-containing solution without evaporation, comprising the following steps: adding a support and a support activator to a medium- and low-concentration lithium-containing solution, once the stirring and reacting are completed, carrying out solid-liquid separation to obtain a lithium-enriched support and a lithium-depleted solution; fully washing the lithium-enriched support with hot water and then filtering, adding water and a desorption and regeneration agent to a filter cake, once the stirring and reacting are completed, carrying out solid-liquid separation to obtain a lithium-enriched solution having a lithium concentration greater than 10 g/L and a regenerated support. The present invention uses a chemical method to replace conventional evaporation processes for lithium concentration, greatly reduces energy consumption and save costs. The present invention involves a simple process and simple operation. No organic substances are introduced during lithium separation, and thus compared with an extraction process, the present invention will not cause organic contamination. The support in the present invention may be iron phosphate waste residues generated in the process of recovering lithium from lithium iron phosphate, thereby achieving better resource recovery and reuse.
Resumen de: WO2026039576A1
The use of reservoir replenishing additives to an electrochemical cell in conjunction with a liquefied gas electrolyte is described to maintain high capacity and high energy of a battery cell.
Resumen de: WO2026039575A1
Spent cathode powder from a lithium-ion battery is subjected to a hydrothermal relithiation process to recover lithium within the bulk structure. After low volume water washing of the relithiated cathode powder, the powder is separated from Li-bearing salt/solution and mixed with a scavenging agent to neutralize excessive alkaline residue on the surface of the cathode material. A mild annealing step induces in-situ formation of a Li+-conductive LiBO2 (LBO) glass layer coating to enhance the interfacial stability and electrochemical performance of the recycled cathode materials
Nº publicación: WO2026036987A1 19/02/2026
Solicitante:
SHENZHEN HITHIUM ENERGY STORAGE TECH CO LTD [CN]
XIAMEN HITHIUM ENERGY STORAGE TECH CO LTD [CN]
\u6DF1\u5733\u6D77\u8FB0\u50A8\u80FD\u79D1\u6280\u6709\u9650\u516C\u53F8,
\u53A6\u95E8\u6D77\u8FB0\u50A8\u80FD\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
Resumen de: WO2026036987A1
The present application relates to the technical field of energy storage, and discloses a sampling assembly, an energy storage apparatus, and an energy storage system. The sampling assembly comprises: a flexible substrate, a sampling wire, and a sampling terminal. A connecting portion is formed between a first end portion of an isolation gap on the flexible substrate and an edge of the flexible substrate, and a second end portion of the isolation gap extends to the edge of the flexible substrate on the same side. The sampling wire comprises a transition section and a fuse portion. A base end and a tip end are formed on the transition section, and the fuse portion is connected to the tip end of the transition section.
BOPI
Sede Electrónica
