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1460
resultados
Última actualización
15/04/2026 [08:01:00]
Resultados 725 a 750 de 1460
Resumen de: WO2026071849A1
The present disclosure relates to a negative electrode for a secondary battery, the negative electrode comprising: a negative electrode current collector; a first negative electrode mixture layer provided on the negative electrode current collector; and a second negative electrode mixture layer provided on the first negative electrode mixture layer, wherein the first negative electrode mixture layer comprises a first negative electrode active material, a first rubber-based binder, and a first cellulose derivative, and the second negative electrode mixture layer comprises a second negative electrode active material, a second rubber-based binder, and a second cellulose derivative.
Resumen de: WO2026071770A1
The present invention relates to a lithium recovery method and, more specifically, to a lithium recovery method comprising the steps of: obtaining a leachate in which a lithium component is dissolved from positive electrode material powder; and purifying the lithium component by introducing the leachate into a flow-capacitive deionization device. According to the present invention, it is possible to provide a lithium recovery method that is eco-friendly by enabling high-purity lithium to be recovered and wastewater generation to be reduced by easily removing impurities through electrochemical adsorption and desorption processes from the leachate in which the lithium component is dissolved from the positive electrode material powder. In addition, since the purification and filtration of lithium are simultaneously performed, the process is simpler compared to the prior art and a continuous process is possible, thereby providing the method with reduced process costs and energy.
Resumen de: US20260094945A1
This battery includes a battery module that is disposed inside a housing, includes a plurality of battery cells, and has a plurality of side surfaces oriented in different directions and a component that is electrically connected to the battery module, in which the battery module and the component are connected by a plurality of bus bars, and each of the plurality of bus bars are disposed on different side surfaces of the battery module and passes between the side surface on which the bus bars are disposed and the housing.
Resumen de: DE102024128504A1
Eine Batteriezelle weist auf:ein Gehäuse; undein Sicherheitsventil zur Entlüftung des Gehäuses; wobeidas Sicherheitsventil ein Auslöseelement aufweist, das dazu eingerichtet ist, bei einem Anstieg einer in dem Gehäuse vorherrschenden Temperatur über einen Schwellenwert durch eine Formänderung von einem ersten Zustand des Auslöseelements in einen zweiten Zustand des Auslöseelements zu öffnen, um ein Ausströmen eines Mediums aus dem Gehäuse zu ermöglichen.
Resumen de: WO2026065526A1
The present application is applicable to the technical field of power batteries, and provides a battery cell (100), a related apparatus and system, and a charging network. The battery cell (100) comprises electrode sheets (11), each electrode sheet (11) comprising: a current collector (111), the current collector (111) comprising two end faces (1111a) located at two opposite ends in the width direction of the current collector (111), and the current collector (111) further comprising two side faces (1111b) located at two opposite sides in the thickness direction of the current collector (111); and an insulating layer (113), which is provided on the current collector (111). The insulating layer (113) covers an end face (1111a), and the insulating layer (113) further covers a portion of the two side faces (1111b), respectively forming a first covering face (113a) and a second covering face (113b). On the same projection plane perpendicular to the thickness direction of the current collector (111), the size of the orthographic projection of the first covering face (113a) is different from the size of the orthographic projection of the second covering face (113b). In the battery cell (100) provided in the embodiments of the present application, the insulating layer (113) covers burrs on the end face (1111a), so that the widths of the insulating layer (113) located on both sides of the current collector (111) are different, thereby alleviating the concentration of stress of the el
Resumen de: US20260094861A1
A pouch-type battery cell pressing member includes: a first pressing part including a first base plate, a first elastic member having a first end coupled to the first base plate, and a plurality of first contact portions coupled to a second end of the first elastic member, and a second pressing part including a second base plate, a second elastic portion having a first end coupled to the second base plate, and a plurality of second contact portions coupled to a second end of the second elastic portion. The plurality of first contact portions and the plurality of second contact portions define a first region where pressing surfaces are substantially parallel to the first base plate and the second base plate, and a second region where pressing surfaces are formed in an inclined shape with respect to the first base plate and the second base plate.
Resumen de: WO2026069777A1
The present invention is provided with: a charge/discharge body 100 in which a positive electrode, a negative electrode, and an insulating member provided between the positive electrode and the negative electrode are laminated; a positive electrode conductive member; and a negative electrode conductive member. The insulating member has insulating properties. The positive electrode has a positive electrode current collector, and a plurality of positive electrode tabs projecting from the positive electrode current collector. The negative electrode has a negative electrode current collector, and a plurality of negative electrode tabs 121b projecting from the negative electrode current collector. The plurality of positive electrode tabs are joined, in a bundled state, to the positive electrode conductive member. The plurality of negative electrode tabs 121b are joined, in a bundled state, to the negative electrode conductive member. The plurality of positive electrode tabs and/or the plurality of negative electrode tabs 121b include, on one side from among the outside and the inside of the charge/discharge body 100, a tab that is wider than a tab on the other side.
Resumen de: WO2026070972A1
The present invention relates to a polytetrafluoroethylene-based resin powder which is used as a binder for secondary batteries, and which has a degree of compression of 10-25% as determined by formula (1) and a uniformity of 4.5 or less as determined by formula (2).
Resumen de: WO2026071634A1
The present invention relates to a secondary battery and a secondary battery manufacturing method, and, more particularly, to a secondary battery capable of repeated charging and discharging, and a manufacturing method therefor. The secondary battery according to one embodiment of the present invention may comprise: an electrode assembly; an exterior material having an inner space for accommodating the electrode assembly, and first and second exterior material openings by which the inner space communicates with the outside; a first cap for sealing the first exterior material opening; a second cap for sealing the second exterior material opening; and a cathode lead and an anode lead, which are connected to the electrode assembly and are at least partially exposed to the outside through the first cap. Here, the first cap and the second cap are coupled to the inner surface of the exterior material, and the coupling force between the first cap and the inner surface of the exterior material can be stronger than the coupling force between the second cap and the inner surface of the exterior material.
Resumen de: WO2026071102A1
This lithium secondary battery comprises: an electrode group including a positive electrode, a negative electrode, and a first separator disposed between the positive electrode and the negative electrode; and a nonaqueous electrolyte. In the negative electrode, lithium metal is deposited during charging, and lithium metal is dissolved in the nonaqueous electrolyte during discharging. At least a part of a surface of the negative electrode is covered with a protective layer that contains a heat-resistant resin.
Resumen de: WO2026071796A1
The present invention relates to a positive electrode and a lithium secondary battery comprising same, the positive electrode comprising a current collector and a positive electrode active material layer disposed on the current collector, wherein the positive electrode active material layer comprises a positive electrode active material, a conductive material, and a binder, the positive electrode active material comprises a lithium iron phosphate-based compound, the conductive material comprises carbon black, and R represented by formula 1 below has a value of 500 to 1300. Formula 1 R = {oxygen content value of conductive material × BET specific surface area value of conductive material} / average particle diameter (D50) value of positive electrode active material In formula 1, each of the oxygen content value (atomic %) of the conductive material, the BET specific surface area value (m2/g) of the conductive material, and the average particle diameter (D50) value (㎛) of the positive electrode active material is a dimensionless number with units omitted.
Resumen de: WO2026071710A1
A composite separator for a lithium secondary battery according to one aspect of the present invention comprises: a porous organic polymer substrate; a porous inorganic heat-resistant layer coated on at least one surface of the organic polymer substrate and including inorganic particles and an organic binder polymer that binds the inorganic particles to each other; and an organic polymer adhesive layer coated on an outer surface of the porous inorganic heat-resistant layer and including a vinylidene fluoride–based polymer, wherein the organic polymer adhesive layer further includes a compound having an ethylene oxide repeating unit and a double bond at the terminal end thereof.
Resumen de: DE102024003164A1
Die Erfindung betrifft einen elektrischen Energiespeicher (1) mit einem Gehäuse (4), in welchem eine Mehrzahl elektrisch verschalteter Einzelzellen (3) angeordnet ist, wobei benachbarte Einzelzellen (3) einen vorgegebenen Abstand (a) zueinander aufweisen. Erfindungsgemäß ist vorgesehen, dass eine jeweilige Einzelzelle (3) abschnittsweise in einem Ladungsträger (6) in dem Gehäuse (4) angeordnet ist, der jeweilige Ladungsträger (6) derart ausgebildet ist, dass der vorgegebene Abstand (a) zwischen benachbarten Einzelzellen (3) innerhalb des Gehäuses (4) eingestellt ist, der jeweilige Ladungsträger (6) die Einzelzelle (3) derart umfasst, dass ein vorgegebener weiterer Abstand sowohl zu einem Gehäuseboden als auch zu einem das Gehäuse (4) verschließenden Gehäusedeckel eingestellt ist, und zumindest ein Bereich zwischen Ladungsträger (6) und Gehäuseboden mit einer Vergussmasse (5) ausgefüllt ist. Weiterhin betrifft die Erfindung ein Verfahren zum Herstellen eines solchen Energiespeichers (1).
Resumen de: US20260094813A1
An electrode is provided. The electrode includes an electrode material comprising a plurality of electrode active material particles. Each of the plurality of electrode active material particles includes a core, a first coating layer formed on a first surface of the core, and a second coating layer formed on a second surface of the first coating layer. The core is formed of a lithium transition metal oxide material. The first coating layer includes a platinum alloy. The second coating layer includes a metal oxide. The present invention also relates to a battery including the electrode material.
Resumen de: WO2026071205A1
Provided are a manufacturing method for an electrode film and a manufacturing device for an electrode film, the manufacturing method including a step for supplying an electrode material to a support body to be conveyed and a step for bringing a plurality of molding members sequentially into contact with the electrode material conveyed together with the support body and thereby forming an electrode film including the electrode material on the support body, wherein: the plurality of molding members include at least a first molding member and a second molding member that comes into contact with the electrode material after the first molding member; contact angles, which are the angles formed by the support body and the surfaces of the molding members contacted by the electrode material, are such that the contact angle in the first molding member is less than the contact angle in the second molding member; and the shortest distances between the molding members and the support body are such that the shortest distance in the first molding member is greater than the shortest distance in the second molding member.
Resumen de: DE102024209441A1
Die Erfindung betrifft eine Zwischenplatte (100) für eine Verteilereinheit (200), wobei die Verteilereinheit (200) einen ersten und einen zweiten Gehäuseteil (210; 220) aufweist, wobei die Zwischenplatte (100) zwischen dem ersten und zweiten Gehäuseteil (210; 220) anordenbar und zum zumindest teilweisen Abdichten des ersten und zweiten Gehäuseteils (210; 220) ausgebildet ist, wobei die Zwischenplatte (100) zumindest eine Fluidschnittstelle (110) für einen fluidischen Austausch zwischen dem ersten und zweiten Gehäuseteil (210; 220) aufweist, wobei die Zwischenplatte (100) zumindest teilweise thermisch isolierend ausgebildet ist.
Resumen de: US20260094805A1
According to a method for manufacturing an electrode for a lithium secondary battery of the present disclosure, a solid-state electrode composition that includes an electrode active material and a binder including a rubber-based copolymer is prepared, a current collector is heated using a heating unit, and the current collector and electrode composition are roll-pressed using a rolling roller to form an electrode active material layer on at least one surface of the current collector. The rubber-based copolymer includes a butadiene-derived repeating unit, and the ratio of the molar amount of the butadiene-derived repeating unit to the total molar amount of repeating units in the rubber-based copolymer is 0.3 to 0.98.
Resumen de: WO2026070997A1
This nonaqueous electrolyte for secondary batteries comprises a nonaqueous solvent, a salt that dissolves in the nonaqueous solvent, and an additive that dissolves in the nonaqueous solvent. The additive contains a carbodiimide compound and a sulfur-containing compound. The sulfur-containing compound contains at least one compound selected from the group consisting of hexavalent sulfur compounds and tetravalent sulfur compounds.
Resumen de: WO2026071772A1
An anion receptor compound for a lithium-ion battery and an electrolyte including same, according to the present invention, include an anion receptor having an amino group substituted with an electron-withdrawing functional group or having a nitrogen atom introduced into the ring, and exhibit a very high ionic conductivity and cation transference number in a lithium-ion battery. In addition, by forming a solid electrode interface (SEI) film on the surface of an electrode, damage to the surface of the electrode caused by degradation products resulting from the use of an electrolyte is suppressed, thereby increasing the lifespan of the electrode, and the generation of strong acids such as HF due to decomposition of a lithium salt contained in the electrolyte is suppressed, thereby increasing the lifespan of the battery and a lithium-ion capacitor during charging and discharging, and reinforcing battery safety.
Resumen de: US20260094926A1
A solid-state battery includes: a laminated body in which a positive electrode current collector, a positive electrode active material layer, a solid electrolyte layer, a negative electrode active material layer, and a negative electrode current collector are laminated in this order; an outer package body that houses the laminated body in the interior; and a block body, in which: the Young's modulus of at least a portion of the block body is 50 GPa or higher, the portion of the block body contacting with a side surface of the positive electrode active material layer and/or a side surface of the negative electrode active material layer; and both ends of the block body are away from the positive electrode current collector and the negative electrode current collector, in a lamination direction of the laminated body.
Resumen de: WO2026065415A1
The present application is applicable to the technical field of batteries. Provided are a battery cell (1), related apparatuses, an energy storage system (1000), and a charging network (2000). The related apparatuses comprise a battery apparatus (10), an energy storage apparatus (100), and an electrical apparatus. The battery cell (1) comprises a casing (12), an electrode assembly (11), and a thermally conductive member (13). The electrode assembly (11) comprises a main body part (111) and tabs (112) connected to the main body part (111), the main body part (111) and the tabs (112) being both provided in the casing (12). The thermally conductive member (13) is arranged in the casing (12), and is at least partially arranged around the periphery of the main body part (111). The thermal conductivity of the thermally conductive member (13) is greater than the thermal conductivity of the casing (12). Providing the thermally conductive member (13) can increase the rate at which the heat inside the main body part (111) is diffused to the casing (12) and is then released, thereby effectively reducing a temperature difference between the interior of the main body part (111) and the casing (12).
Resumen de: WO2026071789A1
The present invention relates to a positive electrode and a lithium secondary battery including same, the positive electrode including a current collector and a positive electrode active material layer disposed on the current collector, wherein the positive electrode active material layer includes a positive electrode active material, a conductive material, and a binder. The positive electrode active material includes a lithium iron phosphate-based compound, the conductive material includes carbon black, the conductive material has a BET specific surface area of 200m2/g to 400m2/g, and a value of R1 represented by the following Equation 1 is in a range of 180 to 500. Equation 1 R1= { average particle diameter (D50) of the positive electrode active material × BET specific surface area of the conductive material} / average particle diameter (D50) of the conductive material2. In equation 1, each of the average particle diameter (D50) value (㎛) of the positive electrode active material, the BET specific surface area value (m2/g) of the conductive material, and the average particle diameter (D50) value (㎛) of the conductive material (µm) is a dimensionless value with units omitted.
Resumen de: WO2026071835A1
The present specification relates to a positive electrode active material, a method for preparing same, and a positive electrode and a lithium secondary battery comprising same, the positive electrode active material comprising: a lithium iron phosphate-based compound; and a carbon coating layer provided on a part or all of the surface of the lithium iron phosphate-based compound, wherein the content of free carbon is 800 ppm or less relative to the total weight of the positive electrode active material.
Resumen de: WO2026071406A1
The present invention provides a battery module and a battery pack including same, the battery module comprising: a cell assembly including a plurality of battery cells; a body frame having a predetermined length and width, accommodating the cell assembly therein, and having an opening formed on at least one of two sides thereof in the longitudinal direction; and an end frame which is coupled to the opening of the body frame, and which has an open area so that a terminal and a connector are partially exposed to the outside.
Nº publicación: WO2026070327A1 02/04/2026
Solicitante:
PANASONIC IP MAN CO LTD [JP]
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Resumen de: WO2026070327A1
A method for manufacturing an electrode 100 according to the present disclosure comprises: preparing an electrode-forming material containing an electrode active material 20 and a solid electrolyte material 10 that contains amorphous solid electrolyte particles 11 including a lithium-containing phosphoric acid compound and a carbon material 12 covering a part of an outer surface 11s of the solid electrolyte particles 11; molding the electrode-forming material to produce an unsintered electrode; and sintering the unsintered electrode at a temperature equal to or higher than the crystallization temperature of the solid electrolyte particles 11. In the electrode-forming material, the ratio ID/IG of the peak intensity ID of the D band to the peak intensity IG of the G band in the Raman spectrum of the carbon material is 0.5 or more and less than 1.2. In preparing the electrode-forming material, particles having a median diameter of more than 2.5 μm and less than 9 μm are used as the electrode active material 20.
BOPI
Sede Electrónica
