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1408
resultados
Última actualización
17/12/2025 [07:14:00]
Resultados 450 a 475 de 1408
Resumen de: EP4660272A1
A curable thermally conductive adhesive comprising a curable binder and a thermally conductive filler, wherein a cured product of the curable thermally conductive adhesive has a tensile storage elastic modulus of 2.0×10<8> Pa or less and a tanδ of 0.05 or more and 0.6 or less measured by dynamic viscoelasticity measurement at 10 Hz at 25°C.
Resumen de: EP4660274A1
A curable thermally conductive adhesive comprising a curable composition comprising a curable binder and a thermally conductive filler, wherein a gel point at which values of a storage elastic modulus and a loss elastic modulus are equal is confirmed at 5 minutes or more and 60 minutes or less from the beginning of rheometer measurement when measured using a rheometer at a constant temperature of 25°C, and the storage elastic modulus at 25°C after a lapse of 60 minutes from the beginning of the rheometer measurement is 9.0×10<sup>5</sup> Pa or more.
Resumen de: EP4660241A1
A thermally conductive resin composition comprising a polyfunctional epoxy resin (A), an amine curing agent (B), and a thermally conductive filler (C), the polyfunctional epoxy resin (A) being an epoxy resin that has an aromatic ring and is a liquid at 23°C or an epoxy resin having a molecular weight of 600 or less, the amine curing agent (B) having an amino group (b1) selected from the group consisting of primary amino groups and secondary amino groups, carbon atom(s) bonded to the nitrogen atom constituting the amino group (b1), not forming a ring structure, at least one of the carbon atom(s) being bonded to another carbon atom and an atom other than a hydrogen atom.
Resumen de: EP4660276A1
Disclosed is a polyurethane containing a structural unit (A) derived from an aromatic compound having an isocyanate group with an average number of functional groups of 2.1 or more and a structural unit (B) derived from a polyalkylene ether glycol. It is possible to provide a polyurethane for a heat storage material having good heat storage properties and heat resistance, excellent moldability, and good shape retainability against heating and cooling, a heat storage material containing the polyurethane, and a heat storage molded body.
Resumen de: EP4660373A1
The system for deicing black ice includes a plurality of laser scanners that are arranged at intervals along a road, each laser scanner including a light source unit, a non-contact temperature sensor, and a control unit that controls an operation of radiating the laser to the area in charge, a weather sensor that measures a temperature and humidity, and an integrated controller that communicates with the plurality of laser scanners. The integrated controller determines whether the laser is radiated to the road surface based on at least one of the measured temperature and humidity, and when the laser radiation is determined, generates a control signal to activate at least one laser scanner, and the control unit determines a heating area, and generates a pulse signal to turn on/off a light source unit so that the laser is radiated in accordance with a shape and range of the heating area.
Resumen de: EP4661153A2
Die Erfindung betrifft einen Akkupack (1) zur Versorgung eines elektrisch angetriebenen Bearbeitungsgeräts mit elektrischer Antriebsleistung, wobei der Akkupack (10) aufweist: wenigstens zwei Pouchzellen (10, 20, 30), wobei die Pouchzellen (10) Zelltabs (11, 21, 31) aufweisen und derart ausgebildet und in einem Stapel (S) angeordnet sind, dass die Zelltabs (11, 21, 31) auf einer gemeinsamen Tabseite (22) des Stapels (S) in Tabspalten (22a, 22b) angeordnet sind, eine Leiterplatte (40), wobei die Leiterplatte (40) auf der gemeinsamen Tabseite (22) des Stapels (S) angeordnet ist und mit den Zelltabs (11, 21, 31) elektrisch verbunden ist, und wenigstens einen elektrischen Zellverbinder (24) zur elektrischen Verbindung von zwei Zelltabs (11, 21, 31) zweier benachbarter Pouchzellen (10, 20, 30) mit der Leiterplatte (40). Die Leiterplatte (40) weist Ausnehmungen (44) auf, durch die sich die Zelltabs (11, 21, 31) auf die von den Pouchzellen (10, 20, 30) abgewandte Seite (42) der Leiterplatte (40) erstrecken und wobei der wenigstens eine Zellverbinder (24) auf der abgewandten Seite (42) der Leiterplatte (40) an dieser angebracht ist.
Resumen de: EP4661113A1
Provided is a binder containing a novel vinylidene fluoride copolymer having excellent adhesion to metal foil when an electrode is formed, an electrode mixture containing the binder, an electrode using the electrode mixture, a battery including the electrode, and a method for manufacturing the binder. A binder containing a vinylidene fluoride copolymer (A) containing, in a main chain, a structural unit (a1) derived from vinylidene fluoride and a structural unit (a2) having a cyclic acid anhydride structure is used. As the binder, the structural unit (a2) having a cyclic acid anhydride structure is preferably a structural unit represented by Formula (1) or Formula (2) described below. where in Formulas (1) and (2), R<sub>1</sub> and R<sub>2</sub> each independently represent a hydrogen atom, a halogen atom, or an alkyl group having from 1 to 5 carbons, and X represents an alkylene group having from 1 to 5 carbons and optionally having a substituent.
Resumen de: EP4660229A1
A polyolefin microporous membrane including a polyolefin, having a Gurley value of 0.01 seconds/100 mL or more and 20 seconds/100 mL or less, a thickness of 120 µm or more, a porosity of 77% or more and 98% or less, and an average pore size of 0.60 µm or more and 3.0 µm or less.
Resumen de: EP4660228A1
A polyolefin microporous membrane containing a polyolefin, having a Gurley value of 0.01 seconds/100 mL or more and 20 seconds/100 mL or less, a thickness of 25 µm or more and 150 µm or less, a porosity of 80% or more and 98% or less, and an average pore size of 0.30 um or more and less than 0.60 µm.
Resumen de: EP4660224A1
A polyolefin microporous membrane including a polyolefin, in which a Gurley value is 1 second/100 mL or more and 20 seconds/100 mL or less, a thickness is 5 µm or more and 25 µm or less, a porosity is 65% or more and 85% or less, and an average pore diameter is 0.05 µm or more and less than 0.30 µm.
Resumen de: EP4661090A1
A lithium primary battery includes a wound electrode group, and a nonaqueous electrolyte solution. The electrode group is constituted by spirally winding a belt-shaped positive electrode, a belt-shaped negative electrode, and a separator disposed between the positive electrode and the negative electrode. The positive electrode contains at least one selected from the group consisting of manganese dioxide and graphite fluoride, and the negative electrode includes a lithium alloy. The lithium alloy is one or more selected from the group consisting of Mg and Al, and contains at least Mg, and the total content of Mg and Al in the lithium alloy is 0.02 mass% or more and 11 mass% or less. The negative electrode has an outermost peripheral region arranged at an outermost layer of the electrode group, and a main region on the more inner peripheral side than the outermost peripheral region. A ratio T1/T2 of a thickness T1 of the outermost peripheral region to a thickness T2 of the main region is more than 0.5 and less than 1.
Resumen de: EP4661124A1
Provided with a manufacturing device of a laminated non-aqueous electrolyte secondary battery. Provided with a battery manufacturing device including an application unit (1300) configured to apply an electrolyte solution to an electrode body (1020) formed by supplying an electrode composition containing an electrode active material to a substrate (1010); and a bonding unit (1400) configured to bond a separator (1030) with the electrode body (1020) to which the electrolyte solution is applied, wherein the bonding unit (1400) has a positioning function achieved by an image processing.
Resumen de: EP4661114A1
A coating composition for a secondary battery according to the present invention is a composition for coating electrodes and/or separators, and includes a flame retardant, a dispersant, and an aqueous solvent. The flame retardant includes at least one of an inorganic flame retardant containing a hydroxyl group, a phosphorus-based flame retardant, a halogen-based flame retardant, and a melamine-based flame retardant.
Resumen de: EP4661092A2
A positive electrode active material for a rechargeable battery comprises: (1) first particles comprising a compound having an olivine structure, (2) second particles comprising a compound having a spinel structure, (3) third particles having a layered structure, and (4) fourth particles. An amount of the third particles is about 10 parts by weight to about 20 parts by weight based on 100 parts by weight of the positive electrode active material. Also disclosed are positive electrodes including the positive electrode active materials, and recharageable lithum batteries including the positive electrode active materials.
Resumen de: EP4661180A1
A method of determining a preload force of a battery module (1) includes: S1, mounting a strapping band (2) to the battery module; S2, measuring a length of the battery module after the strapping band is mounted, as a first length; and S3, removing the strapping band, applying a compression force to compress the battery module until a length of the battery module is equal to the first length, and taking the compression force as the preload force.
Resumen de: EP4661197A1
A power storage device (10), comprising an electrode body (14) in which a positive electrode plate (11) and a negative electrode plate (12) are stacked with a separator (13) interposed therebetween, and a negative current collector plate (40) positioned on the lower-end side of the electrode body (14) in an axial direction P, the negative current collector plate (40) having a negative electrode junction (44) that extends along a radial direction D of the electrode body (14) and is joined to the negative electrode plate (12), and the negative electrode junction (44) being inclined as seen from a circumferential direction R.
Resumen de: EP4661104A1
A positive electrode active material for secondary batteries contains a lithium-metal composite oxide having a rock-salt type crystal structure assignable to space group Fm-3m. The lithium-metal composite oxide contains at least Li and Mn. The average roundness of particles of the lithium-metal composite oxide is 0.55 or more.
Resumen de: EP4661103A1
A positive electrode active material for secondary batteries contains a lithium-metal composite oxide having a rock-salt type crystal structure assignable to space group Fm-3m. The lithium-metal composite oxide contains at least Li and Mn. The average aspect ratio of particles of the lithium-metal composite oxide is less than 2.10.
Resumen de: EP4661196A1
A power storage device (10) comprising an electrode assembly (14) in which a positive plate (11) and a negative plate (12) are laminated together with a separator (13) therebetween, and a negative current collection plate (40) disposed on one end side in an axial direction P of the electrode assembly (14), the negative current collection plate (40) including an extension portion (43) extending in a lamination direction of the positive plate (11) and the negative plate (12), wherein a biasing portion (46) for biasing the inside of an exterior can (20) is provided at an end on the outer peripheral side of the extension portion (43).
Resumen de: EP4661108A1
A positive electrode active material according to the present invention has a crystalline structure belonging to the space group R-3m, and is represented by the compositional formula LiαNaβNi1-b-cMnbXcOd, wherein X is at least one element selected from the group consisting of representative elements and transition metal elements other than Li, Na, Ni, and Mn, 0.80 < α ≤ 1.20, 0 < β ≤ 0.20, 0.80 < α+β ≤ 1.20, 0< 1-b-c ≤1, 0 ≤ b < 1, 0 ≤ c <1, and d is a value that satisfies electrical neutrality. The ratio I101/I012 of the integrated intensity I101 of a diffraction peak in the (101) plane to the integrated intensity I012 of a diffraction peak in the (012) plane of an X-ray diffraction pattern obtained through powder X-ray diffraction of the positive electrode active material is less than 2.2.
Resumen de: EP4661150A1
Die Erfindung betrifft eine Batterieüberwachungseinrichtung (36) für eine Batterie (10), wobei die Batterie (10) mehrere Batteriezellen (12) aufweist, wobei die Batterieüberwachungseinrichtung (36) zwischen benachbarten Batteriezellen (12) zumindest ein flächiges Messelement (38) aufweist, das derart zwischen zwei benachbarten Batteriezellen (12) angeordnet werden kann, dass das Messelement (38) eine Formänderung zumindest einer der Batteriezellen (12) erfassen kann, wobei das Messelement (38) eine Verformung, und/oder eine Kraft und/oder einen Druck, der auf das Messelement (38) wirkt, erfassen kann, und mit einer Auswerteschaltung (40), die mit dem zumindest einen Messelement (38) verbunden ist, wobei das Messelement (38) einen auf der erfassten Verformung, Kraft und/oder dem erfassten Druck basierenden Messwert oder ein Signal an die Auswerteschaltung (40) ausgeben kann, und die Auswerteschaltung (40) den zumindest einen Messwert oder das Signal mit einem Grenzwert für diesen Messwert oder das Signal vergleichen und bei Überschreiten zumindest eines Grenzwertes ein Fehlersignal ausgeben kann.Die Erfindung betrifft des Weiteren eine Batterie (10) mit einer solchen Batterieüberwachungseinrichtung (36)
Resumen de: EP4661151A1
Disclosed are a battery cell holding device and a battery cell performance test system including the same. The battery cell holding device is configured to receive a tray loaded with battery cells, unload the battery cells from the tray and hold the battery cells, load tested battery cells into the tray, and transfer out the tested battery cells. The battery cell holding device includes a tray seating unit configured to receive a tray, a loading conveyor configured to load a predefined number of battery cells transferred thereto, a shuttle unit configured to transfer the battery cells introduced thereinto from one position to another position, a first transfer module configured to transfer the battery cells in the tray seated in the tray seating unit to the shuttle unit, and a second transfer module configured to transfer, to the loading conveyor, the battery cells transferred by the shuttle unit.
Resumen de: EP4661087A1
The present invention relates to an electrode material coating back roll having an inflow air discharge function. The present invention, which is arranged in correspondence to an active material coating device for manufacturing a secondary battery and supports a current collector fabric while the coating device coats the current collector fabric with an active material, comprises: a close contact surface portion in close contact with the current collector fabric; and an exhaust induction portion which is integrated with the close contact surface portion, and which discharges air flowing between the back roll and the current collector fabric to the outside so as to prevent the current collector fabric from becoming delaminated by inflow air. The electrode material coating back roll having an inflow air discharge function, of the present invention, can immediately discharge incoming air even if air flows between the back roll and the current collector fabric, and thus delamination of the current collector fabric from the back roll is prevented so that a wrinkle-free electrode material layer with uniform thickness can be applied.
Resumen de: EP4660648A1
A battery diagnosis apparatus includes an information obtaining unit configured to obtain current data of a battery cell and a controller configured to obtain the current data in a constant voltage charging period of the battery cell, set a first timepoint at which the current data is obtained and a second timepoint at which the current data is obtained after an elapse of a predetermined time from the first timepoint, and determine a state of the battery cell based on current values at the first timepoint and the second timepoint.
Nº publicación: EP4661160A1 10/12/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4661160A1
Disclosed is a battery pack, which includes a cell array structure including a plurality of battery cells and a plurality of cooling tubes provided between the plurality of battery cells; a pack case configured to accommodate the cell array structure; and a cooling pipe unit provided between the plurality of cooling tubes within the pack case along a stacking direction of the plurality of cooling tubes to connect cooling tubes facing each other in the stacking direction to enable communication.
BOPI
Sede Electrónica
