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1664
resultados
Última actualización
12/12/2025 [07:43:00]
Resultados 25 a 50 de 1664
Resumen de: WO2024165544A1
The invention provides a cell contact-making unit (6) for a battery having a plurality of cells, wherein, in the assembled state, adjacent cells are electrically connected to one another via cell connectors (8) and a sensor cable set (12) is provided and has at least one sensor line (14) which, in order to measure the cell voltage, is electrically connected to the cell in a manner protected against overcurrent, wherein the sensor line (14) is electrically connected to a voltage tapping point via a bonding wire (64) and by means of bonding.
Resumen de: EP4661199A1
A battery cell according to an embodiment of the present disclosure may include: an electrode assembly; a battery housing having an opening on one side thereof and configured to accommodate the electrode assembly through the opening; a battery terminal configured to be electrically connected to the electrode assembly through a closed portion provided opposite the opening of the battery housing; and a current collector comprising a first coupling portion configured to be electrically coupled to the electrode assembly, a second coupling portion configured to be electrically coupled to the battery terminal, and a bridge portion configured to electrically connect the first coupling portion and the second coupling portion, wherein a cross-sectional area of the bridge portion may be configured to be 5% or less of an entire cross-sectional area of the current collector.
Resumen de: GB2641589A
The system for de-icing black ice includes a plurality of laser scanners 100 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 200 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: EP4661238A1
Electric power is recovered from noise components generated by electrostatic induction.A power storage device includes: a first metal element electrically floating from a ground; a second metal element that is electrostatically coupled to the first metal element to cause charge bias in the first metal element; and a power storage unit that is connected to the first metal element and the second metal element, and stores a potential difference generated between the first metal element and the second metal element.
Resumen de: EP4661140A1
A non-aqueous electrolyte secondary battery (10) comprises: an electrode assembly (14) in which a positive electrode (11) and a negative electrode (12) are wound with a separator (13) therebetween; a non-aqueous electrolyte; and an outer can (16) that accommodates the electrode assembly (14) and the non-aqueous electrolyte. The negative electrode (12) has a negative electrode core (40), and a negative electrode mixture layer (41) provided to the surface of the negative electrode core (40). The electrode assembly (14) has, on the outer peripheral surface thereof, an exposed portion (42) in which the surface of the negative electrode core (40) is exposed, and the exposed portion (42) is in contact with an inner surface of the outer can (16). The non-aqueous electrolyte contains lithium hexafluorophosphate, and a cyclic carboxylic acid anhydride represented by formula (I).(in the formula, R1-R4 each independently represent H, an alkyl group, an alkene group, or an aryl group.)
Resumen de: EP4661107A1
A positive electrode active material for a non-aqueous electrolyte secondary battery according to the present invention has a crystal structure belonging to space group R-3m and is represented by the compositional formula LiαNaβNi1-b-cMnbXcO2-d, wherein X is at least one element selected from the group consisting of typical 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 0 < d ≤ 0.2.
Resumen de: EP4661195A1
This power storage device (10) comprises: an electrode body (14) in which a positive electrode plate (11) and a negative electrode plate (12) are stacked with a separator (13) therebetween; and a negative electrode current collector plate (40) disposed on one end side in the axial direction P of the electrode body (14), wherein the negative electrode current collector plate (40) has a joining part (44) which extends in the stacking direction of the positive electrode plate (11) and the negative electrode plate (12) and is joined to the negative electrode plate (12) through welding, and a melting suppression part (51) is formed on a terminal end section in the welding direction of the joining part (44).
Resumen de: EP4661106A1
A positive electrode active material of the present disclosure includes: a lithium oxide in which a transition metal M1 is dissolved to form a solid solution, the lithium oxide having an antifluorite crystal structure; and a transition metal oxide including a transition metal M2, wherein in an X-ray diffraction pattern measured for the positive electrode active material using a Cu-Kα ray, a ratio of an integrated intensity of a second diffraction peak derived from a (220) plane of the lithium oxide in a diffraction angle 2θ range from 52° to 62° to an integrated intensity of a first diffraction peak derived from a (111) plane of the lithium oxide in a diffraction angle 2θ range from 30° to 40° is 0.48 or more, and a ratio of an integrated intensity of a third diffraction peak derived from a crystal plane of the transition metal oxide in a diffraction angle 20 range from 40° to 50° to the integrated intensity of the first diffraction peak is 0.10 or more and 1.30 or less.
Resumen de: EP4661133A1
A battery 100 of the present disclosure includes a positive electrode 23, a negative electrode 26, a separator 27, and an electrolyte solution 29. The positive electrode 23 includes, as a positive electrode active material, a lithium oxide in which a transition metal is dissolved to form a solid solution, the lithium oxide having an antifluorite crystal structure. The electrolyte solution 29 includes two or more fluorine-containing lithium salts. The two or more fluorine-containing lithium salts may include a first lithium salt and a second lithium salt, and the first lithium salt may include at least one selected from the group consisting of fluorinated lithium borate and fluorinated lithium phosphate.
Resumen de: EP4661173A1
A battery tape includes: a first adhesive member configured to be attached to at least a portion of a first surface of a battery; and a second adhesive member extending from a side portion of the first adhesive member and configured to be attached to at least another portion of the battery. The first adhesive member has a 1_1th subregion and a 1_2th subregion having a lower adhesive force than the 1_1th subregion, and the 1_2th subregion is positioned in a region in contact with the second adhesive member.
Resumen de: EP4661200A1
A current collector according to the present disclosure may include: a first coupling portion coupled with a first terminal; a second coupling portion coupled with an electrode assembly; a plurality of bridge portions configured to connect the first coupling portion and the second coupling portion; and a plurality of fusing induction portions provided in the respective bridge portions and configured to cover at least a portion of the bridge portion.
Resumen de: EP4661088A1
Example embodiments of the present technology provide a method of generating an intermediate roll map. The method includes inputting search parameters of coordinate-related measurement data that is collected based on measurement of an electrode sheet and includes raw measurement data, and transmitting the coordinate-related measurement data based on the search parameters, in which the search parameters include a start coordinate and an end coordinate that represent a part of the electrode sheet from which the coordinate-related measurement data is collected
Resumen de: EP4661132A1
A battery 100 of the present disclosure includes a positive electrode 23, a negative electrode 26, a separator 27, and an electrolyte solution 29. The positive electrode 23 includes, as a positive electrode active material, a lithium oxide in which a transition metal is dissolved to form a solid solution, the lithium oxide having an antifluorite crystal structure. The electrolyte solution 29 includes a solvent mixture of a fluorinated cyclic ester and an additional solvent, and a concentration of the fluorinated cyclic ester in the electrolyte solution 29 is 75 volume% or less. The concentration of the fluorinated cyclic ester in the electrolyte solution 29 may be 2 volume% or more and 5 volume% or less.
Resumen de: EP4661131A1
A battery 100 of the present disclosure includes a positive electrode 23, a negative electrode 26, a separator 27, and an electrolyte solution 29. The positive electrode 23 includes, as a positive electrode active material, a lithium oxide in which a transition metal is dissolved to form a solid solution, the lithium oxide having an antifluorite crystal structure. The electrolyte solution 29 includes a fluorinated chain ester. A concentration of the fluorinated chain ester in the electrolyte solution 29 may be 3 volume% or more, or 5 volume% or more and 70 volume% or less.
Resumen de: EP4661130A1
A positive electrode 23 includes, as a positive electrode active material, a lithium oxide in which a transition metal is dissolved to form a solid solution, the lithium oxide having an antifluorite crystal structure. An electrolyte solution 29 includes a boron compound. The boron compound includes at least one selected from the group consisting of a compound represented by a formula (1) and a compound represented by a formula (2). The symbols R<1> to R<6> are each independently a C1 to C10 alkyl group in which at least one hydrogen atom is optionally substituted by a halogen atom or a phenyl group in which at least one hydrogen atom is optionally substituted by a halogen atom or a C1 to C10 alkyl group. At least one of R<4> to R<6> may be a hydrogen atom. B(OR<1>)(OR<2>)(OR<3>) (1) BR<4>R<5>R<6> (2)
Resumen de: EP4661105A1
A positive electrode active material for nonaqueous electrolyte secondary batteries according to one embodiment of the present disclosure has a crystal structure belonging to the space group R-3m, and is characterized by being composed of secondary particles in each of which primary particles aggregate. This positive electrode active material for nonaqueous electrolyte secondary batteries is also characterized in that: the secondary particles each comprise voids; with respect to a particle cross-section of each secondary particle, the ratio of the area of the voids to the area of the particle cross-section is 15% or less; and the average of the aspect ratios of the voids is 2.1 or more. A positive electrode active material according to the present disclosure enables a nonaqueous electrolyte secondary battery to have a higher capacity.
Resumen de: EP4661201A1
This power storage device (10) is equipped with: an electrode body (14) which comprises a positive electrode plate (11) and a negative electrode plate (12); an electrolyte; an outer can (20) which is equipped with a floor, has a cylindrical shape, is electrically connected to the negative electrode plate (12), and houses the electrode body (14) and the electrolyte therein; an opening-sealing body (30) which is electrically connected to the positive electrode plate (11) and blocks an opening in the outer can (20); a negative electrode cap (21) which is electrically connected to the outer can (20) and is provided above the outer can (20) in the axial direction P; and a gasket (33) provided between the outer can (20) and the opening-sealing body (30). Therein, a magnet (51) is provided between the negative electrode cap (21) and the opening-sealing body (30).
Resumen de: EP4661119A1
A method of production of layered composite material packs for use as an electrode by a material bonding process, comprises:• stacking multiple material layers to be bonded on top of each other forming a pack (3),• assembling several packs (3) on top of each other for forming a stack (8), with placing inert interface plates between adjacent packs (3), such that each pack (3) in the stack (8) being separated by an inert interface plate,• placing inert interface plates on the top and the bottom of the stack (8),• placing the stack (8) in between a top (5) and a bottom (4) plate and connecting the top (5) and bottom (4) plates with constraining fixtures (6) for forming a rack (16), whereas the material of the constraining fixtures (6) is so chosen that thermal expansion coefficient of the constraining fixtures (6) is smaller than a value of thermal expansion for the total of the stack (8),• pressing towards each other the top plate (5) and the bottom plate (4) to apply an initial pressing force for bringing all material layers of each pack (3) into firm contact with each other,• placing the rack (16) into a furnace,• heating up the furnace to a bonding temperature for applying heat to the rack (16) with a heating rate between 0.1K/min and 35K/min and applying a connecting pressure due to the difference in thermal expansion coefficients of the stack (8) material and the constraining fixtures (6),• holding the bonding temperature for a predetermined holding time to
Resumen de: EP4661149A1
The present application is applicable to the technical field of batteries (100), and provides a battery cell (10), a battery (100), an electric device, and a processing method for a battery cell (10). The battery cell (10) comprises an electrode assembly (11) and active structures (12). The electrode assembly (11) comprises a positive electrode sheet (111) and a negative electrode sheet (112), wherein the positive electrode sheet (111) comprises first straight segments (1111) and first bent segments (1112), and the negative electrode sheet (112) comprises second straight segments (1121) and second bent segments (1122), the first straight segments (1111) and the second straight segments (1121) are alternately stacked to form straight portions (1101), and the first bent segments (1112) and the second bent segments (1122) are alternately stacked to form corner portions (1102). At least some of the active structures (12) are provided between the first bent segments (1112) and the second bent segments (1122) adjacent to the inner sides of the first bent segments (1112). In this way, the problem of ion precipitation at the corner portions can be solved.
Resumen de: EP4661242A1
A battery charging method according to an embodiment of the present disclosure is a method of charging a battery by dividing a charging section into a plurality of charging sections, and includes a first discharging step of applying a first discharging pulse between an n-1th (n is a natural number greater than or equal to 2) charging section and an nth charging section; and a second discharging step of applying a second discharging pulse between the nth charging section and an n+1th charging section. Here, a discharging rate of the second discharging pulse is less than a discharging rate of the first discharging pulse.
Resumen de: EP4661164A1
A self-heating structure and a battery pack including the self-heating structure are disclosed by the present disclosure. The self-heating structure includes a heating member and a control unit. The heating member includes a heating body and a connection lead formed on the heating body. The connection lead is configured to be electrically connected to a positive tab or a negative tab of a cell pack, so that the heating member and the cell pack form a self-heating loop. The control unit is configured to control on-off of the self-heating loop according to a temperature of the cell pack. The control unit is disposed on the connection lead to integrate the control unit and the connection lead.
Resumen de: EP4661141A1
A disclosed nonaqueous electrolyte secondary battery includes a positive electrode (11), a negative electrode (12), a separator (50) provided between the positive electrode (11) and the negative electrode (12), and a spacer (53) provided in at least one region selected from the group consisting of a region between the positive electrode (11) and the separator (50) and a region between the negative electrode (12) and the separator (50). The negative electrode (12) is a negative electrode in which a metal used as a negative electrode active material deposits during charging and the metal dissolves during discharging. The spacer (53) contains a resin and a filler. The resin contains a cellulose-based compound.
Resumen de: EP4660484A1
A gasket is provided that enables not only reducing a reaction force in an in-use state and reducing a decrease in sealing performance, but also reducing a decrease in sealing performance relative to a high-temperature gas. A gasket (1) is a gasket made of a porous body of an elastomer that seals a 300°C gas.
Resumen de: EP4661194A1
This cylindrical nonaqueous electrolyte secondary battery includes a positive electrode (11) and a negative electrode (12). The negative electrode (12) includes: a non-facing portion (60) wound, toward a winding start side, from a facing portion (59) facing a winding inner side of a start end portion (11a) of the positive electrode (11), in a winding direction in a state in which the non-facing portion (60) does not face the positive electrode (11); and a negative electrode tab (21) joined to the non-facing portion (60). The negative electrode tab (21) includes a negative electrode facing portion (21a) facing the negative electrode (12) and a lead-out portion (21b) that is shorter in length than a portion which is of the negative electrode facing portion and has the longest length in the longitudinal direction of the negative electrode in an expanded state and is led out to the outside with respect to one end of the negative electrode in the width direction. The portion having the longest length of the negative electrode facing portion is wound around 0.75 times or more and a root portion which is the boundary of the lead-out portion with the negative electrode facing portion is wound around less than 0.5 times. At least one groove (22) extending along the width direction of the negative electrode is provided in the negative electrode facing portion.
Nº publicación: EP4661192A1 10/12/2025
Solicitante:
PANASONIC ENERGY CO LTD [JP]
Panasonic Energy Co., Ltd
Resumen de: EP4661192A1
This cylindrical battery (10) comprises: a bottomed external can (16) that accommodates an electrode body (14), the external can (16) having a cylindrical part (39) that includes a shoulder part (29) extending radially inward at one axial-direction end part and a grooved part (22) recessed radially inward over the entire circumferential-direction periphery, and a bottom part (31) that blocks an opening in the other axial-direction side of the cylindrical part (39); a sealing body (17) that blocks an open section of the external can (16); an upper insulation plate (18) that is positioned between the grooved part (22) and the electrode body (14); and a metal sheet (40), at least part of which is interposed between the grooved part (22) and the insulation plate (18).
BOPI
Sede Electrónica
