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44
resultados
Última actualización
18/11/2025 [06:45:00]
Resumen de: EP4648147A1
A process unit (100) for secondary cell battery manufacture, comprising: a mounting plate (110) having a first horizontal rail (111) formed on an upper part; a vertical plate (120) vertically coupled to an upper part of one side of the mounting plate (110); a vertical moving guide plate (130) coupled to an inner side of the vertical plate (120) and having a vertical rail (131) formed on a front side; a second horizontal rail (140) formed across the vertical plate (120) at an inside lower part; a process block (150) connected to the first and second horizontal rails (111) and (140) and having a gas removal unit (151) formed on a front surface to remove gases in a secondary battery cell (10); a pivot hinge assembly (160) that is located on the upper side of the process block (150), is connected to the process block (150), and allows the process block (150) to move forward or backward as it moves upward or downward; and a first drive (170) coupled to the upper part of the pivot hinge assembly (160).
Resumen de: EP4648175A1
Die Erfindung betrifft ein Verfahren zum Tiefenentladen einer Batterie (2) für einen Recyclingprozess, umfassend folgende Schritte:- Messen der Temperatur der Batterie (2),-Anschließen mindestens eines Verbrauchers (4) zur Entladung der Batterie (2) dadurch gekennzeichnet, dass- ein elektrisches Kühlelement (6) physisch zur Kühlung an die Batterie (2) angeordnet wird- ein Temperaturschwellwert (Ts) für die Temperatur (T) der Batterie (2) an einem Temperaturmesspunkt (8) der Batterie (4) festgelegt wird- und der Verbraucher (4) in Form des Kühlelementes (6) zugeschaltet wird,- wenn der Temperaturschwellwert (Ts) überschritten wird.
Resumen de: EP4648170A1
The present application provides a winding needle assembly, a winding apparatus, a production device, and a method for winding electrode assemblies, belonging to the technical field of battery production. The winding needle assembly includes a support seat and a winding needle. The winding needle is rotatably connected to the support seat around the axial direction of the winding needle. The winding needle extends out of the support seat along the axial direction of the winding needle, so as to form a plurality of winding parts located outside the support seat on the winding needle, and the winding parts are configured to wind electrode assemblies. The winding needle assembly can wind a plurality of electrode assemblies at the same time, thereby improving the production efficiency. In addition, the winding needle can be supported by the support seat while a plurality of electrode assemblies are wound to shorten the length of a suspended part of the winding needle, so that the rigidity and strength of the winding part of the winding needle can be improved to reduce the phenomenon of deformation of the winding part in the process of winding the electrode assembly, thereby relieving the phenomena of wrinkles, poor alignment degree, limited winding speed and the like of the electrode assembly to improve the production quality and production efficiency of the electrode assembly.
Resumen de: WO2024147158A1
The present invention relates to a battery pack (10) which includes a casing (20) enclosing a plurality of battery cells, a charge dissipation device (30), an active cooling device (40) and a BMS The BMS monitors the battery pack (10), and if a potential thermal runaway condition exists, the BMS estimates a state of charge (SOC) of the battery pack (10), compares the SOC of the battery pack (10) with a predefined SOC value, actuates the charge dissipation device (30) to rapidly discharge the plurality of battery cells if the SOC of the battery pack (10) is greater than the predefined SOC value, and actuates the active cooling device (40) to decrease the temperature of the battery pack (10) if the SOC of the battery pack (10) is lesser than or equal to the predefined SOC value, for preventing thermal runaway of the plurality of battery cells.
Resumen de: WO2024147140A1
The present disclosure relates to composite material comprising metal, carbon and optionally heteroatoms and methods of their use in electrochemical reactions.
Resumen de: WO2024147102A1
The present disclosure provides a method (200) of manufacturing a graphite-based material for an electrode. The method (200) includes the steps of: shaping a block material comprising graphite into a raw material block; coating the raw material block with a second material, wherein the second material comprises carbon; and heating the coated raw material block to enable a graphitization of the coated raw material block to produce a carbon coated graphite-based material. The coated raw material block is heated to a temperature of greater than about 2600 °C in order to remove impurities. Such a process yields a graphite powder with a high purity content, of greater than about 99.95%. The present disclosure further provides an electrode made of the graphite-based material.
Resumen de: EP4648163A1
Disclosed is a lithium ion conducting material excellent in lithium ion input/output characteristics. The lithium ion conducting material of the present disclosure comprises a composite of a polymer and an electrolytic solution. The electrolytic solution comprises a cyclic carbonate as a solvent and a lithium amide salt dissolved in the cyclic carbonate. A molar ratio of the lithium amide salt to the cyclic carbonate is greater than 0.25 and 0.33 or less.
Resumen de: WO2024147062A1
The present disclosure relates to a carbon coated Silicon-Graphite composite anode material. The present disclosure also relates to a method of preparing a carbon coated Silicon-Graphite composite anode material. The present disclosure also provides a Li-ion coin cell. The carbon coating of Si-Graphite composite binds the Si nano particles on graphite matrix during Lithiation/delithiation reactions, enhancing the electrochemical cycling stability of Si- Graphite anode material, which accomplish the essential criteria of Li-ion battery anode.
Resumen de: EP4648193A1
A battery (100) and a power consuming device (200) are provided. The battery (100) includes: a load-bearing bracket (10) and a plurality of battery modules (20). The plurality of battery modules (20) are mounted to the load-bearing bracket (10). At least one battery module (20) is detachably mounted to the load-bearing bracket (10).
Resumen de: CN120359705A
In an example, a system (400) includes a charge pump (142A). The system (400) includes a transistor (108A) coupled to a power supply terminal (134), the transistor (108A) gate coupled to a charge pump (142A) output. The system (400) includes current sense circuitry having a power input, a load input, and a sense output (410), where the power input is coupled to the power terminal (134), the current sense circuitry configured to provide a sense signal at the sense output (410), and the sense signal being representative of a polarity and magnitude of current at the load input. The system (400) includes a controller (148) having a sensing input (412) coupled to the sensing output (410) and a control output (414) coupled to a control input, where the controller (148) is configured to provide a control signal at the control output (414) in response to the sensing signal, and the charge pump (142A) is configured to adjust a voltage at an output of the charge pump (142A) in response to the control signal.
Resumen de: CN120500462A
Doped manganese-rich cathode active materials and methods of making the same are described. Doping the manganese-rich cathode active material results in improved performance of the energy storage device, including, but not limited to, improved cycle life and capacity retention.
Resumen de: EP4648135A1
A positive active material and an application thereof. A peak I and a peak II, either of which have 20 ranging from 17.8° to 19.5°, are present in an X-ray diffraction pattern of the positive active material. The positive active material is special for improving the capacity, energy density and cycling performance of a battery.
Resumen de: GB2640900A
A process for preparing composite particles comprising the steps of providing a charge of porous particles in a reaction zone, continuously introducing a gaseous feed stream comprising a silicon precursor gas into the reaction zone while maintaining conditions of temperature and pressure that are effective to cause deposition of silicon into the pores of the porous particles, a deposition phase during which the flow rate of the silicon precursor gas into the reaction zone is more than 2.0 × 10-6 grams of silicon per square metre of surface area per minute based on the total BET surface area of the charge of porous particles, and either or both of an initiation phase prior to deposition or a termination phase after deposition during which the flow rate of the silicon precursor gas into the reaction zone is less than 2.0 × 10-6 grams of silicon per square metre of surface area per minute. The particles may be used as anode active materials in rechargeable lithium-ion batteries.
Resumen de: EP4647784A1
The present application provides a method and apparatus for estimating a state of charge of a lithium iron phosphate battery. The implementation solution of the method for estimating a state of charge of a lithium iron phosphate battery is: acquiring the temperature of the current time period and an SOC-OCV curve under the current of the current time period; determining, on the basis of the state of charge of the SOC-OCV curve, a correction point of the SOC-OCV curve; and correcting, on the basis of a combination of at least one temperature and at least one current, the SOC-OCV curve at the correction point, and updating the SOC-OCV curve.
Resumen de: EP4648202A1
Provided is a pouch type battery cell, in which an electrode assembly may be accommodated between a first case and a second case. The pouch type battery cell may include: a cup part provided in at least one of the first case or the second case and configured to accommodate the electrode assembly; a folding part in which an edge portion of the first case surrounds an edge portion of the second case so that a discharge passage is provided between the edge portion of the first case and the edge portion of the second case; a sealing part provided on the folding part; a venting part, wherein when an internal pressure within the cup part increases, the cup part and the discharge passage are in communication with each other through the venting part.
Resumen de: EP4648133A1
The present invention relates to an electrochemical cell comprising:a) an electrolyte comprising a salt of formula (I):wherein:M is a metal cation or an organic cation; andthe subscript "m" is a positive integer number that refers to the number of anions needed to neutralize the charge of the cation M;wherein the electrolyte is liquid, gel or solid, and further characterized in that the electrolyte does not comprise a fluorinated ether when the electrolyte is liquid or gel;andb) a metal anode.The invention also relates to an electrochemical battery comprising said electrochemical cell and uses thereof.
Resumen de: EP4648138A1
The present invention relates to a composite solid electrolyte mixture comprising a the lithium garnet-type structure material and LiBSCl, wherein LiBSCl comprises Li<sub>3</sub>BO<sub>3</sub>, Li<sub>2</sub>SO<sub>4</sub> and LiCl. The invention further relates to a composite solid electrolyte obtained from the mixture, a solid state battery comprising the composite solid electrolyte, and to methods of producing the composite solid electrolyte and the solid state battery.
Resumen de: EP4647407A1
The present invention relates to a glass ceramic solid electrolyte mixture comprising glass ceramic solid electrolyte comprising a ternary glass ceramic of borate, Li<sub>2</sub>SO<sub>4</sub> and a lithium halide. The invention further relates to a glass ceramic solid electrolyte obtained from the mixture, a solid state battery comprising the glass ceramic solid electrolyte, and to methods of producing the glass ceramic solid electrolyte and the solid state battery.
Resumen de: EP4648189A1
The present disclosure refers to a battery system (100) including a plurality of battery cells (12) arranged along a stacking axis (X) to form a cell stack (10), a cell stack frame (20) accommodating the cell stack (10), and an end plate (30, 30') disposed at an end of cell stack frame (20), the end plate (30, 30') including a plate element (32) in contact with the cell stack (10) and deformation structures (34, 34') extending from the plate element (32) at opposite sides thereof parallel to the stacking axis (X), each deformation structure (34, 34') including a first compression portion (36) and a first extension portion (37) that are connected in series and are arranged overlapping each other in a direction perpendicular to the stacking axis (X), wherein the end plate (30, 30'), in an assembly position, is supported by the cell stack frame (20) such that, while the first compression portion (36) is compressed and the first extension portion (37) is extended, the plate element (32) exerts a pressure onto the cell stack (10).
Resumen de: EP4648176A1
The present application relates to the field of batteries, and provides a battery, a thermal runaway early-warning method and apparatus therefor, and a storage medium. The battery is provided with an accommodating space, the accommodating space is configured to discharge smoke in the event of thermal runaway of a battery cell of the battery, and the method includes: acquiring a detection signal at a detection position including the accommodating space; and generating a thermal runaway early-warning signal according to the detection signal. By arranging a sensor for acquiring the detection signal at the accommodating space, when the battery discharges smoke through the accommodating space, the temperature or air pressure at an interlayer may increase. Therefore, the sensor arranged at the accommodating space can accurately and effectively detect a change signal of the temperature or air pressure of the battery, thereby generating the thermal runaway early-warning signal timely, leaving longer processing time for a user, and reducing the losses caused by thermal runaway of the battery.
Resumen de: EP4648149A1
A preparation method of a thermally composited laminated cell and a thermally composited laminated cell (50) are provided. The preparation method includes: preparing a plurality of first electrode plate groups (10) and a plurality of second electrode plate groups (20), each first electrode plate group (10) includes a plurality of first units (100), each second electrode plate group (20) includes a plurality of second units (200). Each of two outermost sides of the first unit (100) is provided with a negative electrode plate (110), and each of two outermost sides of the second unit (200) is provided with a positive electrode plate (130). Providing a first separator (300), and assembling the first electrode plate groups (10), the second electrode plate groups (20) and the first separator (300) to prepare a composite cell group (30). Cutting the composite cell group (30) to prepare a plurality of thermally composited laminated cells (50).
Resumen de: EP4648148A1
A thermal composite laminated cell and a battery cell are disclosed by this application. The thermal composite laminated battery cell includes a first cell unit (100), a second cell unit (200) and a continuous separator (300), wherein the outermost sides of the first cell unit (100) are negative electrode sheets (110), and the outermost sides of the second cell unit (200) are positive electrode sheets (130). The continuous separator (300) includes a plurality of main body portions (310) and a plurality of bent portions (320) all alternately and continuously disposed, the first cell units (100) and the second cell units (200) are alternately disposed in a thickness direction, and the adjacent first cell unit (100) and the second cell unit (200) are separated by the main body portion (310).
Resumen de: EP4648118A1
The present application relates to a battery electrode sheet and a manufacturing method therefor, a battery, and an electrical apparatus. The battery electrode sheet comprises a current collector and an active layer provided on the surface of the current collector; the component of the active layer comprises an active material; and the volume average particle size of the active material is D, the surface roughness Ra of the current collector is greater than or equal to 0.5 µm, and the following relation is satisfied: Ra/D ≥ 0.15.
Resumen de: EP4648177A1
Provided is a battery pack including at least two layers of battery modules (1) and a liquid cooling assembly (2). A liquid cooling assembly (2) includes a first plate (21), a second plate (22), and a third plate (23), wherein the second plate (22) is located between the first plate (21) and the third plate (23), a first cooling flow channel (24) is formed between the first plate (21) and the second plate (22), a second cooling flow channel (25) is formed between the second plate (22) and the third plate (23), and communication or discommunication between the first cooling flow channel (24) and the second cooling flow channel (25) is formed between the second plate (22) and the third plate (23).
Nº publicación: EP4648154A1 12/11/2025
Solicitante:
GROB GMBH & CO KG [DE]
Grob-Werke GmbH & Co. KG
Resumen de: EP4648154A1
Zur Reduzierung von Aufwand und Kosten einer Zellherstellung in einem kontinuierlichen Verfahren bei hoher Qualität schafft die Erfindung ein Elektrodenstrangbereitstellverfahren zum Bereitstellen wenigstens eines Elektrodenstrangs (32, 88), der wenigstens eine Separatorbahn (34.1, 34.2) sowie wenigstens ein daran fixiertes Elektrodenmaterial (50.1, 50.2, 36.1, 36.2) aufweist, umfassenda) Laminieren eines ersten Elektrodenmaterials (50.1, 36.1) an eine erste Separatorbahn (34.1) in einer ersten Laminierstation (46.1) mittels eines ersten Laminierwerkzeugs (76.1) unter Zwischenfügen einer Linerbahn (100), um ein Anhaften von zu laminierendem Material an dem ersten Laminierwerkzeug (76.1) zu verhindern,b) Laminieren eines zweiten Elektrodenmaterials (50.2, 36.2) an eine Separatorbahn (34.1, 34.2) in einer zweiten Laminierstation (46.2) mittels eines zweiten Laminierwerkzeugs (76.2) unter Zwischenfügen einer Linerbahn (100), um ein Anhaften von zu laminierenden Material an dem zweiten Laminierwerkzeug (76.2) zu verhindern,wobei in Schritt a) und b) dieselbe Linerbahn (100) verwendet wird.
BOPI
Sede Electrónica
