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441
resultados
Última actualización
26/02/2026 [06:49:00]
Resumen de: WO2026036988A1
The present application relates to the technical field of energy storage, and discloses an energy storage apparatus and an electric device. The energy storage apparatus comprises: a plurality of battery modules, located in a battery compartment of a battery case; and sampling assemblies, each comprising an isolation plate that covers a plurality of battery cells of a corresponding battery module, and a circuit board that is connected to the battery cells of the corresponding battery module. Ends of circuit boards comprised in a first sampling assembly and second sampling assembly are respectively provided with a plug connector and a first receptacle, the first receptacle being fixed on the isolation plate of the second sampling assembly and mating with the plug connector.
Resumen de: WO2026036986A1
The present application relates to the technical field of energy storage. Disclosed are an energy storage unit and an electric device. The energy storage unit comprises: a battery case, wherein a cover of the battery case comprises a pair of side plates distributed in the direction of the width of the battery case; and a battery module located in a battery compartment of the battery case, wherein the distance between a first surface of each battery cell and each side plate increases in the direction towards the bottom of a lower case; and a first guide face is provided at an edge portion of a separator plate comprised in a first sub-battery module, and in the direction of the width of the battery case, at least part of the first guide face is located between a fixed end plate and the corresponding side plate.
Resumen de: WO2026038270A1
Techniques for sensing temperature at different locations within a battery pack are described. In an example, the battery pack comprises a plurality of battery modules (104). The plurality of battery modules (104) comprises a plurality of battery cells (106). The battery modules (104) are secured within a cell holder (102). At least one busbar (108) is arranged on the cell holder (102). The battery pack comprises at least one busbar (108) that is configured to establish an electrical connection amongst the plurality of battery modules (104). The battery pack further comprises a harness (110) disposed on the at least one busbar (108). The harness (110) is disposed on the at least one busbar (108) using a plurality of harness holding features (114) to securely hold the harness (110). Further, at least one temperature sensor is disposed on the harness (110). The at least one temperature sensor may be positioned at any position along the length of the harness (110).
Resumen de: WO2026038538A1
Problem To develop a method for improving battery performance, with which it is possible to improve battery performance and retrofitting is possible, with a relatively simple mechanism. Solution A method for improving battery performance characterized in being capable of improving battery performance by allowing a magnetic body to stand still in the vicinity of a battery. Preferably, a solid ENE can be used as the magnetic body, and the magnetic body is manufactured by combining any one or two or more of iron (Fe), copper (Cu), aluminum (Al), nickel (Ni), cobalt (Co), boron (B), and metal powders of these metal components (including metal components containing these metal elements as constituent elements), and condensing the metal powders.
Resumen de: WO2026038456A1
This binder is used in a secondary battery including an inorganic solid electrolyte, the binder including: a structural unit derived from a compound represented by formula (1); and a structural unit derived from at least one fluorine atom-free compound selected from the group consisting of α-olefins, vinyl ether compounds, and vinyl ester compounds. Formula (1): CF2 = CFX In formula (1), X represents a fluorine atom, a chlorine atom, a hydrogen atom, a fluorine-containing alkyl group having 1-3 carbon atoms, or a fluorine-containing alkoxy group having 1-3 carbon atoms.
Resumen de: WO2026036378A1
The present application relates to a power supply device, a power supply system, and a control method. The power supply device comprises a processing chip, an energy storage assembly, and a safety management assembly, the processing chip comprises a protocol chip and a main control chip, the protocol chip is connected to the main control chip, the main control chip is separately connected to the energy storage assembly and the safety management assembly, and the energy storage assembly is connected to the safety management assembly; the safety management assembly is used for monitoring the power supply device when the energy storage assembly is in an operating mode, and sending a state control signal of the operating mode to the processing chip when an anomaly occurs in the power supply device, and the processing chip is used for controlling, on the basis of the state control signal, the energy storage assembly to stop the operating mode. By using the safety management assembly in the power supply device, when it is detected that an anomaly occurs in the power supply device during working, the working state of the power supply device can be immediately interrupted, thereby improving the safety of the power supply device during working, and solving the potential safety hazards of the power supply device during working.
Resumen de: EP4697413A1
Disclosed are a pure-phase polyanionic sulfate sodium ion battery positive electrode material and a preparation method therefor. The chemical general formula of the pure-phase polyanionic sulfate sodium ion battery positive electrode material is NaxMyAzSO4, wherein M is one or two or more of Mn, Fe, Co, Ni, Cu, and/or Zn, A is one or two or more of Li, K, and/or Na, and the value ranges of variables are: 0.75 ≤ x ≤ 0.85, 0.52 ≤ y ≤0.58, 0 < z ≤0.1, and x + 2y + z = 2. The pure-phase polyanionic sulfate sodium ion battery positive electrode material has the characteristics of good structural stability, excellent rate performance, good cycle performance, simple preparation method, and low cost.
Resumen de: EP4697482A1
A current collector (100), a battery cell (1000), a battery pack (2000), and a power consuming apparatus (3000) are provided. A first connection region (120) of the current collector includes a middle portion (122) and a plurality of first connection portions (121) connected to the middle portion and a jelly roll. A second connection portion (131) of the current collector is electrically connected to the middle portion. The first connection region and the second connection portion have a height difference and are movable relative to each other. The second connection portion is adapted to be electrically connected to a cover plate (300).
Resumen de: WO2024213623A1
A flame-retardant PPS-based composition comprising: A) of at least one polyphenylene sulfide polymer; B) at least one polyphenylsulfone polymer, C) at least one thermoplastic elastomer containing epoxy functional groups, and D) an epoxy-modified polysiloxane. The PPS-based composition has a V-0 rating using UL 94 V (2013) standard (0.8 mm thickness). An article comprising or made from such a flame-retardant PPS-based composition. Use of the article as a component of an electric vehicle. A method of cooling a battery and/or operating a battery comprising passing a heat transfer fluid in a flame-retardant heat transfer tube comprising or made from the flame- retardant PPS-based composition.
Resumen de: CN120981968A
A battery pack includes a housing forming a cavity and a plurality of battery cells disposed within the cavity and configured to be capable of supplying power to an electrical device. The battery pack further includes a circuit board disposed within the housing and including a plurality of electrical components, and a heat sink partially formed within the housing and in direct contact with the heat generating components of the circuit board.
Resumen de: CN120958644A
The invention discloses a battery pack for an electrical device. A battery pack includes a housing having at least one terminal configured to electrically connect the battery pack to an electrical device, a plurality of battery cells disposed within the housing and configured to supply power to the electrical device, a support structure configured to receive and support the plurality of battery cells within the housing, and a circuit board disposed within the housing on top of the support structure and including a plurality of electrical components. The circuit board is configured to selectively supply power to the plurality of battery units. The circuit board also includes a cover covering at least some of the plurality of electrical components to protect the circuit board from dust, debris, and water. Thus, in some embodiments, the cover is configured to render the circuit board waterproof.
Resumen de: CN121002698A
Embodiments provide a battery pack including a housing having at least one terminal configured to electrically connect the battery pack to a power tool. The battery pack includes a battery cell support structure disposed within a housing. The battery cell support structure is configured to receive and support at least one battery cell. The battery pack includes a circuit board assembly for selectively providing power from the at least one battery cell to the at least one terminal. The circuit board assembly includes a first current limiting device and a second current limiting device different from the first current limiting device. The second current limiting device is connected in series with the first current limiting device.
Resumen de: CN120917608A
The described embodiments provide a battery pack. The battery pack includes a case, a battery cell within the case, a printed circuit board within the case, and a terminal contact plate holder. The terminal contact plate holder includes a base portion coupled to the printed circuit board, a plurality of terminals protruding from the base portion and configured to be capable of electrically connecting the battery pack to an external device, and a fuse link.
Resumen de: CN120813271A
An aerosol-generating device is provided that includes a battery module, a battery temperature sensor, and a controller. The controller is configured to monitor (301) a temperature of the battery during charging of the battery to detect an indication of an end-of-charge temperature rise, and determine (302) whether the indication of the end-of-charge temperature rise is detected in the monitored battery temperature. The controller controls (303) the aerosol-generating device to perform an action when an indication of the end-of-charge temperature rise is detected, and maintains (304) the aerosol-generating device in an operable state and does not control the aerosol-generating device to perform the action when an indication of the end-of-charge temperature rise is not detected.
Resumen de: CN120937185A
A battery pack for an electrical device includes a housing defining a chamber and a plurality of ribs extending inwardly toward the chamber. The battery pack further includes: a plurality of battery cells disposed within the chamber and configured to supply power to the electrical device; a support structure configured to receive and support the plurality of battery cells within the chamber of the housing; and the circuit board is arranged in the shell and is positioned at the top of the supporting structure. The circuit board includes a plurality of electrical components and is configured to selectively drive the plurality of battery cells. The battery pack also includes a battery cell potting body surrounding the plurality of battery cells and the support structure. The battery cell potting body includes a plurality of grooves that cooperate with the plurality of ribs of the housing to inhibit movement of the plurality of battery cells relative to the housing.
Resumen de: CN120958640A
A battery pack includes a housing having a first side, a second side disposed opposite the first side, a third side disposed adjacent both the first side and the second side, a fourth side disposed opposite the third side, an air inlet disposed on the first side, and an air outlet disposed on the second side. The battery pack further comprises a plurality of battery units, a fan arranged in the shell, a temperature sensor used for sensing the temperature and an electronic controller, and the electronic controller can receive signals from the temperature sensor, determine whether the temperature value is larger than a first threshold value or not and start the fan at a first rotating speed so that air can flow from the air inlet to the air outlet.
Resumen de: CN120937183A
Embodiments provide a battery pack for a power tool. The battery pack includes a housing having at least one terminal configured to electrically connect the battery pack to a power tool. The battery pack also includes a battery cell support structure disposed within the housing. The battery cell support structure is configured to receive and support a plurality of battery cells. The battery pack also includes a circuit board for selectively providing power from the plurality of battery cells to the at least one terminal. Each of the plurality of battery cells has an alternating current internal resistance (ACIR) of less than about 4 milliohms (m Omega). The battery pack has a battery pack energy density of at least about 100 watt-hour/liter (Wh/L).
Resumen de: CN121039303A
Disclosed herein is a method of recovering metals from a leachate obtained by alkaline leaching of electronic waste, the leachate comprising Cu, Li, and Mn ions, the method comprising: recovering Mn from the leachate; recovering Cu from the leachate after the step of recovering Mn from the leachate; and recovering Li from the leachate after the step of recovering Cu from the leachate.
Resumen de: WO2024249067A1
A separator for use in an electrochemical cell, such as a cell used in a secondary Li-ion battery and a method of manufacturing such a separator. The separator includes a polymeric or aramidic membrane with an inorganic material in the form of one or more metal phosphates applied in the form of a coating to at least a portion of the polymeric or aramidic membrane. The separator is positioned between the cathode and the anode, such that the separator separates the anode and a portion of the electrolyte from the cathode and the remaining portion of the electrolyte; wherein the separator is permeable to the reversible flow of ions there through.
Resumen de: WO2024213519A1
Aspects of the present invention relate to a method (1000) of releasing a first component (100) of a battery pack (1) from the battery pack (1), to a battery pack (1), and to a vehicle (50). The first component (100) being secured to a second component (100) of the battery pack (1) by an adhesive bond (120). The method (1000) comprises: applying a load to the first component (100) in a direction away from the second component (200) and flowing a thermally-conditioned fluid through a cavity (300) of the battery pack (1) to generate a temperature gradient between the first component (100) and the second component (200) such that the adhesive bond (120) is weakened. The first component (100) is separated from the second component (100) by means of the applied load.
Resumen de: WO2024213770A1
A device for producing a film for electrical energy storage systems comprises a multi-spindle screw machine (3) for creating a melt from at least one polyethylene (5) and an oil (8). The multi-spindle screw machine (3) comprises a housing (15) with housing bores (26, 27) formed therein, in which treatment-element spindles (28, 29) for mixing the at least one polyethylene (5) and the oil (8) are arranged. The treatment-element spindles (28, 29) each comprise a plurality of treatment elements (54, 54'), wherein, for at least one treatment element (54, 54') per treatment-element spindle (28, 29), the following applies: Da/Di ≥ 1.4. Da designates an outside diameter and Di a core diameter of the treatment elements (54, 54'). As a result, gentle and energy-efficient preparation is ensured.
Resumen de: EP4697478A1
Disclosed in the present application are a battery cell, a battery and an electric device. The battery cell comprises a housing, an electrode assembly and an exhaust structure, wherein the housing is provided with an inner cavity, and the housing is provided with a first wall; the electrode assembly is arranged in the inner cavity; and the exhaust structure is arranged between the first wall and the electrode assembly, and is provided with a fluid channel. According to the embodiment of the present application, the exhaust structure is arranged in the inner cavity, and the exhaust structure is mounted between the electrode assembly and the first wall of the housing, such that the fluid channel in the exhaust structure can be used as a passage for airflow to flow, blocking of the airflow by means of the exhaust structure arranged between the first wall and the electrode assembly can be reduced, enabling the airflow to flow to a preset position through the fluid channel, and thus improving the reliability of the battery cell.
Resumen de: WO2024215929A2
Methods for operating a flooded electrolyte battery cell used in standby service to prevent the loss of water. When charging the cell, water in the electrolyte decomposes electrolytically to oxygen and hydrogen gases. The method includes catalytically recombining the oxygen and hydrogen gases to water vapor, inhibiting venting of the oxygen and hydrogen gases and water vapor from the cell, providing fluid communication between the catalyst and the electrolyte for the oxygen and hydrogen gases and water vapor, and hygroscopically absorbing the water vapor into the electrolyte. Devices and battery cells for carrying out the method are also provided.
Resumen de: EP4697449A1
Akkumulator, insbesondere als Energieversorgung für eine Werkzeugmaschine, enthaltend ein Akku-Gehäuse, Akku-Schnittstelle, eine Steuereinheit und eine Anzahl an Energiespeicherelementen, wobei das Akku-Gehäuse an einer Oberseite wenigstens eine Auslassöffnung für einen Kühlstrom enthält.Das Gehäuse enthält wenigstens eine erste und zweite Seitenschale, wobei mindestens eine Seitenschale an einem unteren Ende der Seitenschale wenigstens eine Einlassöffnung für einen Kühlstrom und an einer Wandinnenseite wenigstens einen im Wesentlichen vertikal verlaufenden Strömungskanal für einen Kühlstrom enthält, sodass zum Kühlen der Energiespeicherelemente ein Kühlstrom durch die Einlassöffnung, entlang dem Strömungskanal und durch die Auslassöffnung strömen kann.
Nº publicación: EP4697480A1 18/02/2026
Solicitante:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
Contemporary Amperex Technology Co., Limited
Resumen de: EP4697480A1
The present application relates to a separator, a battery cell, a battery and an electrical apparatus, wherein the separator comprises two surfaces opposite to each other along its own thickness direction, at least one of the surface of the separator and the interior of the separator comprises a pore structure, and the separator further comprises a swellable polymer; the separator satisfies: when a pressure of 1.25MPa is applied along the thickness direction of the separator, the compression rate ΔV of the separator is ≤25%.
BOPI
Sede Electrónica
