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1376
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Última actualización
03/05/2025 [07:30:00]
Resultados 50 a 75 de 1376
Resumen de: US2025140864A1
A carbon black having a bulk density of 0.08 g/cm3 or lower after being compressed at 490 Pa for 3 minutes. A carbon black having a bulk density of 0.1 g/cm3 or lower after being stirred under a condition of gravity acceleration 400 G for 30 minutes using a rotation-revolution type stirrer.
Resumen de: US2025140927A1
A non-aqueous battery includes a case, an electrode assembly, and an electrolyte solution. The case has a width direction, a height direction, and a thickness direction. The case includes a first side wall and a second side wall. The second side wall faces the first side wall. Each of the first side wall and the second side wall is orthogonal to the width direction. A positive electrode terminal and a negative electrode terminal are provided at the first side wall. The electrode assembly is of a wound type. A winding axis of the electrode assembly is parallel to the width direction. The electrode assembly includes a first end portion and a second end portion. The first end portion faces the first side wall. A relationship of “R1/R2>1” is satisfied. R1 represents an electrode resistance at the first end portion. R2 represents an electrode resistance at the second end portion.
Resumen de: US2025140926A1
A battery cell includes an electrolyte, positive and negative electrode plates, and a separator between the positive and negative electrode plates. The electrolyte includes a lithium salt including lithium hexafluorophosphate, a mass percentage of which with respect to a total mass of the electrolyte ranges from 15% to 20%. The positive/negative electrode plate includes a positive/negative electrode current collector and a positive/negative electrode film layer provided on at least one side of the positive/negative electrode current collector and containing a positive/negative electrode active material. The negative electrode active material includes a carbon-based material and a silicon-carbon composite. A mass percentage of silicon in the silicon-carbon composite with respect to a total mass of the negative electrode active material is greater than or equal to 0.3% and less than or equal to 10.0%.
Resumen de: US2025140892A1
A battery 10, including an electrode body 30 that includes an electrode and a separator, and an exterior body 20A, 20B that is disposed around the electrode body 30, the battery being restrained by a restraining member, the electrode body 30 having a bonded portion at which the electrode and the separator are bonded to each other, and a non-bonded portion at which the electrode and the separator are not bonded to each other, and at least a part of the non-bonded portion of the electrode body 30 matching a portion of the battery restrained by the restraining member 40.
Resumen de: US2025140891A1
A rechargeable battery includes an electrode assembly including a first wound part and a second wound part connected by a connection part, the electrode assembly being formed by being wound at each of both ends of a stacked body of a first electrode plate, a first separator, a second electrode plate, and a second separator; and a case that accommodates the electrode assembly, wherein the case includes flat sides facing each other at both sides of the case in a width direction, and curved sides at both ends of the case in a length direction, and the flat sides and the first wound part and the second wound part surround an electrolyte solution accommodating space therebetween.
Resumen de: US2025141040A1
A binder for a non-aqueous secondary battery separator to form a non-aqueous secondary battery separator excellent in flexibility, etc. is provided. An electricity storage device having excellent long-term storage stability etc. is also provided. The binder for a non-aqueous secondary battery separator includes a polymer (A) of a monomer mixture including a monomer having an acidic functional group, a monomer having an amide group, and an alkyl (meth)acrylate monomer, and a condensation product of a silane compound, and has a glass transition temperature of −60° C. to 60° C. The electricity storage device has a separator substrate provided with at least one protective layer between a pair of electrodes, in which the protective layer includes a polymer of an ethylenically unsaturated monomer, and a silane compound, and the silane compound has no ethylenically unsaturated group but has an alkyl group having 3 to 12 carbon atoms.
Resumen de: US2025140956A1
Some embodiments relate to a method for determining an internal temperature of a battery. The method includes obtaining an initial temperature condition of the battery indicative of battery temperature at an initial time, receiving an electrical current in the battery at a given time after the initial time, and receiving an ambient temperature associated with the battery at the given time. The method includes determining a heat generation rate in the battery based on an internal resistance of the battery and on the received current, and determining a temperature change of the battery at the given time from the initial time, the temperature change being determined based on the initial temperature condition and the heat generation rate. The internal temperature of the battery is determined based on the determined temperature change and the ambient temperature.
Resumen de: AU2024227142A1
Abstract Self-supported porous 3D flexible host anode for lithium metal secondary batteries having a primary coating >5 atomic wt% and in addition to < 5 atomic wt% of at least two additional lithiophilic elements, leading to synergistic plating and stripping effect of the alkali ions, wherein all the coating elements have the capability of forming intermetallic alloys with lithium and/or between themselves within the potential window range of 1.5 V and -0.5 V Vs Li/Li+, having a porosity of at least 70%, and a thickness between 10pm and 100pm, comprising a non-woven, woven or ordered arrangement of constituent fibres with a diameter ranging between 200 nm and 40 pm.
Resumen de: AU2023378026A1
A battery abnormality diagnosis device according to an embodiment disclosed in the present document may comprise: an acquisition unit which acquires voltage-state of charge (SOC) profiles of a plurality of battery units; an identification unit which identifies a designated first number of ranks of the plurality of battery units on the basis of the voltage-SOC profiles; and a diagnosis unit which diagnoses abnormalities in the plurality of battery units on the basis of changes in the ranks.
Resumen de: WO2025089653A1
The present invention relates to a cathode active material for an all-solid-state battery, a cathode, and an all-solid-state battery comprising same. More specifically, the cathode active material according to the present invention has formed on the surface thereof a particle layer coated with lithium titanium oxide particles, so that side reactions between the cathode active material and sulfide-based solid electrolyte particles in the cathode are suppressed due to the particle layer, and thus the all-solid-state battery can be stably charged and discharged.
Resumen de: WO2025087661A1
The invention relates to a temperature control device (2) for cooling and/or heating at least one component (4), the operation of which is temperature-sensitive, the component being in particular an electronic power module of an inverter or a battery cell, and the temperature control device (2) comprising: - a stack (10) of at least three circulation plates (12), which in particular are brazed together, at least one heat-transfer fluid circuit being arranged in the stack, and the temperature control device (2) having an outer face (8) on which one or more components (4), for example an electronic power module, can be placed, the three circulation plates (12) each comprising at least one stamped shape forming an element for disrupting the flow of fluid in the heat-transfer fluid circuit.
Resumen de: WO2025088462A1
Integrated solar-powered electrochemical device for the extraction and valorization of carbon dioxide from seawater, comprising an electrolyzer (20), an electrical power supply comprising a photovoltaic module (10) and an electrical energy storage system (30), and a control circuit (40) configured to control the electrical connections of the electrolyzer (20) to the photovoltaic module (10) and to the electrical energy storage system (30). The electrolyzer (20) includes a membrane-electrode assembly (23) comprising a porous cathode (24), a porous anode (26) and a bipolar membrane (25) interposed between the cathode (24) and the anode (26). The photovoltaic module (10) comprises a plurality of solar cells (11) integrated onto the anodic flow field plate (22) of the electrolyzer (20), the anodic flow field plate (22) acting as a cathode for the solar cells (11).
Resumen de: WO2025087664A1
The present invention relates to a system for thermal regulation of an electrical energy storage device, the electrical energy storage device comprising a housing and a plurality of components (6) to be thermally regulated that are housed in the housing and aligned one beside the other in a stacking direction, characterized in that the thermal regulation system comprises at least one plate (12) intended to be disposed between two adjacent components (6) to be thermally regulated, the plate (12) comprising at least one dielectric fluid circulation duct (18) comprising a main branch and at least one secondary branch participating in forming a passive non-return device.
Resumen de: WO2025087663A1
The invention relates to a temperature control device (1) for cooling and/or heating at least one component (2), the operation of which is temperature-sensitive, said component being in particular an electronic power module of an inverter or a battery cell, the temperature control device comprising a stack of at least three plates (14), which in particular are brazed together, a heat-transfer fluid circuit (15) being arranged in the stack, and the temperature control device having an outer face (10) on which one or more components (2), for example an electronic power module, can be placed, the heat-transfer fluid circuit (15) comprising at least: - a first section for circulation of a heat-transfer fluid (17), provided with first elements (18) for disrupting the flow of fluid, which are configured to promote a heat transfer in a first range of flow rates of the heat-transfer fluid in this first section (17); and - a second section (19) for circulation of a heat-transfer fluid, provided with second elements (20) for disrupting the flow of fluid in order to promote a heat transfer in a second range of flow rates of the heat-transfer fluid in this second section (19).
Resumen de: WO2025087662A1
The invention relates to a temperature control device (1) for cooling at least one energy storage component (5), wherein this energy storage component is liable to undergo thermal runaway, wherein this energy storage component is in particular a battery cell, and wherein the temperature control device (1) comprises: - a heat transfer fluid circuit (10), in particular dielectric fluid, for cooling the energy storage component (5); - a plate degassing structure (100) configured to evacuate gas from the energy storage component (5) in the event of thermal runaway of the component, wherein the plate degassing structure (100) comprises a degassing circuit (101) formed by at least one plate, wherein this degassing circuit (101) has at least one gas vent (102) and is configured such that gas introduced into this degassing circuit (101) can escape only through the at least one gas vent (102), and wherein the degassing structure (100) is further configured such that the degassing circuit (101) is sealed off from the heat transfer fluid circuit (10).
Resumen de: WO2025088543A1
A transferring apparatus for a coil (B) for a machine for the production of power storage devices comprising: an acquisition station (S1), where the coil (B) is supplied to the transferring apparatus (1); a delivery station (S2), where the coil (B) is deliverable to a processing unit arranged downstream; and a transferring unit (2) comprising a conveying device (4) which is cyclically movable between the acquisition station (S1) and the delivery station (S2). The conveying device (4) is configured to move the coil (B) from the acquisition station (S1) to the delivery station (S2). An application unit (11) is configured to apply an adhesive tape to a free flap (L) of the coil (B).
Resumen de: US2025140924A1
Systems, devices, and methods described herein relate to electrolyte formulations and the incorporation thereof into batteries. In some aspects, an electrolyte composition can comprise between about 10 wt % and about 42 wt % of an electrolyte solvent, between about 13 wt % and about 59 wt % of a fluoroether. In some embodiments, the electrolyte solvent can make up between about 26 wt % and about 39 wt % of the composition. In some embodiments, the fluoroether can make up between about 18 wt % and about 36 wt % of the composition. In some embodiments, the composition can include between about 0.5 wt % and about 1.5 wt % of a first additive. In some embodiments, the composition can include between about 0.5 wt % and about 5 wt % of a second additive.
Resumen de: WO2025088479A1
The present invention relates to a DES eutectic liquid and a process for recycling lithium batteries and in particular lithium battery cathode materials.
Resumen de: WO2025090522A1
Systems, devices, and methods described herein relate to electrolyte formulations and the incorporation thereof into batteries. In some aspects, an electrolyte composition can comprise between about 10 wt% and about 42 wt% of an electrolyte solvent, between about 13 wt% and about 59 wt% of a fluoroether. In some embodiments, the electrolyte solvent can make up between about 26 wt% and about 39 wt% of the composition. In some embodiments, the fluoroether can make up between about 18 wt% and about 36 wt% of the composition. In some embodiments, the composition can include between about 0.5 wt% and about 1.5 wt% of a first additive. In some embodiments, the composition can include between about 0.5 wt% and about 5 wt% of a second additive.
Resumen de: WO2025090457A1
A method for laser welding a metal foil stack to a metal substrate includes clamping the foil stack against a support surface of a substrate and irradiating the stack with a beam of laser pulses to weld the foils to the substrate. The beam is a composite beam including a center beam and a surrounding annular beam. An initial series of the laser pulses are incident on the stack at mutually distinct locations on a top surface of the stack, and a subsequent series of the laser pulses are incident on the stack at mutually distinct locations on a side of the stack. The resulting weld nuggets penetrate deeply into the stack, with an average penetration depth that exceeds an average pitch between the weld nuggets. The method is capable of welding more than 100 foils to the substrate. Welded assemblies have been demonstrated to withstand large shear forces.
Resumen de: WO2025088254A1
An auxiliary-battery system (1) comprising a battery assembly (1) comprising: - a baseplate (2), - the auxiliary battery (1), comprising a base (3) secured to the baseplate (2), and comprising a first face (F1) opposite to the base (3) and having a first and second electrical connection terminals (B1, B2), as well as a second face (F2) orthogonal to the base (3) and to the first face (F1), - a metal part (4, 5) secured to the baseplate (2) and/or to the battery (1), facing one of the other faces of the battery (1), and in electrical connection with the first terminal (B1), this auxiliary-battery system further comprising: - a heat shield (6) extending in a plane parallel to the second face (F2), and comprising a means (M1) for attachment to the battery assembly, characterized in that the heat shield (6) comprises a protrusion (7) extending orthogonally to the parallel plane and covering the metal part (4, 5).
Resumen de: WO2025088177A1
A sensor assembly is described, the sensor assembly comprising: a measurement bed for receiving an item to be measured; a supporting member vertically displaced from the measurement bed, when in use; a magnetic-field sensor connected to the supporting member; a motor for driving movement between the magnetic-field sensor and the measurement bed; and a controller configured to actuate the motor to cause the magnetic-field sensor to move relative to the measurement bed to scan the magnetic-field sensor across a measurement area. A method of measuring a magnetic field generated by an item using the sensor assembly is also described. The method comprises: positioning the item on the measurement bed such that it is within the measurement area; and scanning the magnetic-field sensor over the measurement area to measure the magnetic field generated by the item. A battery is described. The battery comprises one or more magnetic-field sensors within and/or around a respective magnetic and/or electrochemical component of the battery.
Resumen de: WO2025088329A1
A process for producing biscuits (25) of a cathode mixture, which involves introducing into an extruder (42) all the materials (41) required in the cathode mixture, including the secondary electrolyte, all the materials being in particulate form, and operating the extruder (42) while heating the mixture to above the melting point of the secondary electrolyte. The materials required typically comprise a metal powder such as nickel or iron, sodium chloride, and aluminium powder; and the secondary electrolyte is sodium aluminium chloride (NaAlCl4). These materials may all be in powder form. The extruded mixture is used to form biscuits (25). Such biscuits may be used in an electrochemical cell (10).
Resumen de: WO2025088241A1
The present invention relates to a method for preparing an organic-inorganic hybrid solid electrolyte (HSE) based on an inorganic phase synthesized in-situ in the presence of polymer. The approach described delivers flexible membranes with high ionic conductivity values (>10-4 S/cm at room temperature) and excellent mechanical properties, especially in terms of yield stress (σy), which are suitable for electrochemical applications in solid-state lithium metal batteries.
Nº publicación: WO2025087912A1 01/05/2025
Solicitante:
ARLANXEO HIGH PERFORMANCE ELASTOMERS CHANGZHOU CO LTD [CN]
ARLANXEO DEUTSCHLAND GMBH [DE]
ARLANXEO HIGH PERFORMANCE ELASTOMERS (CHANGZHOU) CO., LTD,
ARLANXEO DEUTSCHLAND GMBH
Resumen de: WO2025087912A1
The present invention relates to a binder composite for a binder of an electrode of an electrochemical energy storage device, the binder composite containing a) hydrogenated nitrile rubber; and b) a polycondensate selected from the group consisting of a polyamide having a melting point from 140 °C to 270 oC and a polyester having a melting point from 175 °C to 270 °C; wherein the polycondensate forms domains in the hydrogenated nitrile rubber, wherein the domains have a size D50% below 3 microns within the matrix of the hydrogenated nitrile rubber.
BOPI
Sede Electrónica
