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1313
resultados
Última actualización
13/08/2025 [07:30:00]
Resultados 700 a 725 de 1313
Resumen de: MX2025000990A
A metal-air battery including: a current collector; a metal electrode including a metal and contacting the current collector; an air electrode on the metal electrode and opposite the current collector; a solid electrolyte between the metal electrode and the air electrode; a discharge product of the metal on the air electrode; wherein the metal-air battery is configured to release the discharge product.
Resumen de: MX2025004644A
An electrode useful in energy storage devices comprises a current collector and an active layer on the current collector, wherein the active layer comprises electrode active particles, electrically conducting material and a binder wherein the binder comprises a copolymer that comprises a first repeat unit and a second repeat unit; where the first repeat unit is derived from the polymerization of a first monomer which is ethylenically unsaturated monomer having a hydrophilic pendant group and the second repeat unit is derived from the polymerization of a second monomer having ethylenic unsaturation.
Resumen de: MX2025004829A
A method for separating black mass from electrodes of spent lithium ion batteries includes separating electrode pieces from remainder of material of a portion of a spent lithium ion battery. The electrode pieces are heated to a temperature in a range from about 200 °C to about 350 °C for a predetermined period of time to obtain pre-heated electrode pieces. The pre-heated electrode pieces are disposed in a neutral liquid to obtain a first suspension. Ultrasound vibrations are applied to the first suspension to separate the black mass and the binder from the metal pieces. Metal pieces, binder material and black mass from the electrode pieces are then segregated to obtain black mass.
Resumen de: MX2025004645A
An electrode comprising a current collector and an active layer on the current collector, wherein the active layer comprises electrode active particles, electrically conducting material and a binder wherein the binder comprises a polymer selected from the group consisting of polyacrylamides, polymethacrylic acid, polyacrylic acid and salts thereof can be used in an energy storage device. The electrode can be made by providing a slurry comprising the electrically conductive elements, the binder and the electrode active material in water, alcohol or a combination thereof, and coating the slurry onto a current collector, and drying to remove the solvent.
Resumen de: FR3158802A1
Procédé d’auto-paramétrage des conditions de charge d'une batterie d'accumulateurs électrochimiques, notamment une batterie lithium, ladite batterie étant connectée à une source d'alimentation apte à la charger, comprenant : la détection d’au moins un point p d’inflexion dans la courbe de tension de charge de la batterie Ubat fonction du taux de charge électrique exprimé en pourcentage de la capacité C de la batterie ;pour chaque point p d’inflexion détecté, une déconnexion de la batterie de sa source d’alimentation pendant une période de relaxation prédéterminée ;à l’issue de ladite période de relaxation, la mémorisation de la tension à vide UxR de la batterie pour chacun des points d’inflexion, ladite tension à vide UxR constituant un marqueur d’un niveau de charge intermédiaire utilisable comme seuil d’arrêt de charge au cours de la charge d’une batterie. Fig. de l’abrégé: Fig. 2
Resumen de: FR3158800A1
La présente invention concerne un procédé et un dispositif de détermination d’un indicateur de validation de tests d’une batterie de traction pour véhicule électrifié. En effet, le procédé comprend la réception de données représentatives d’indicateurs d’un niveau de développement de composants et de moyens de fabrication de la batterie de traction et la classification de ces données pour obtenir un identifiant d’une classe permettant la détermination d’une séquence d’essais de validation (21) de la batterie de traction et la détermination d’un nombre d’échantillons formant un ensemble d’échantillons (22) de la batterie de traction à générer pour réaliser la séquence d’essais de validation. Des données représentatives du nombre d’échantillons et de la séquence d’essais de validation sont émises et des résultats des essais sont reçus. Les résultats sont comparés à des résultats cibles et l’indicateur est déterminé en fonction d’un résultat de la comparaison. Figure 2
Resumen de: MX2025008073A
The present invention relates to an anode active material, an anode comprising same, and a lithium secondary battery, the anode active material comprising; a core including a silicon carbon composite; an oxide layer which is provided on at least a portion of the core and includes silicon oxide, and of which at least 50% has a thickness of greater than 5 nm; and a carbon layer provided on at least a portion of the oxide layer.
Resumen de: FR3158832A1
L’invention concerne un procédé de préparation d’un matériau de cathode pour batterie, comprenant une étape d’obtention de ce matériau de cathode sous forme d’un mélange de particules dites primaires, de distribution de taille monomodale et de diamètre moyen en volume inférieur ou égal à 2 µm, puis une étape de mise en forme dudit mélange de particules primaires par granulation par broyage dans un broyeur à billes, dans un mélange de solvants organiques comprenant un solvant organique polaire et un solvant organique apolaire, le solvant organique polaire et le solvant organique apolaire étant non miscibles. Le matériau de cathode sous forme particulaire ainsi obtenu présente une bonne performance électrochimique, une faible réactivité et une densité d’énergie élevée.
Resumen de: MX2025008691A
Disclosed are an electrode production device and a battery cell including an electrode produced using same, and a battery pack and a vehicle including a battery cell. An electrode production device according to an embodiment of the present invention is an electrode production device which produces an electrode by transferring an electrode foil having a coated part of a coating layer and a non-coated part of a non-coating layer which are formed thereon, the electrode production device including: a transfer unit for transferring the electrode foil; a coated part pressing unit for pressing the coated part of the electrode foil transferred by the transfer unit; and a non-coated part pressing unit which is spaced apart from the coated part pressing unit and presses the non-coated part, wherein a heat supply member for supplying heat to the non-coated part is provided in the non-coated part pressing unit.
Resumen de: MX2025008154A
The present invention provides a non-aqueous electrolyte comprising a lithium salt, an organic solvent, and a compound of chemical formula 1 as an additive. Chemical formula 1 In chemical formula 1, n is an integer of 0 or 1, R<sub>1</sub> is any one selected from the group consisting of R, a C1-10 alkyl group capable of being substituted with fluorine, a C2-10 alkenyl group capable of being substituted with fluorine, a C2-10 alkynyl group capable of being substituted with fluorine, OR', OCOR', F and CH<sub>2</sub>PO(R)<sub>2</sub>, and R' can be any one selected from the group consisting of a C1-10 alkyl group capable of being substituted with fluorine, a C2-10 alkenyl group capable of being substituted with fluorine, a C2-10 alkynyl group capable of being substituted with fluorine, and PO(R)<sub>2</sub>. In chemical formula 1 and R<sub>1</sub>, R is a structure represented by the following chemical formula 2. Chemical formula 2 In chemical formula 2, each of Rx and Ry is independently H or F.
Resumen de: US2025246680A1
A method for producing a sulfide solid electrolyte includes: mixing a raw material containing a Li element, a raw material containing a P element, and a raw material containing an S element to obtain a raw material mixture; and heat-treating the raw material mixture. Li2Sx (0.05≤x≤0.95) is used as the raw material containing the S element, the heating treatment is performed while introducing a gas containing an S element, and a cumulative introduction amount Y (mass %) of the S element in the gas containing the S element with respect to a mass of the raw material mixture satisfies a relationship of Y≥x2−6.5x+5.8 with respect to the x in the Li2Sx.
Resumen de: US2025246689A1
A basket (10) contains and keeps in compression a plate group (100), that is, the set of positive and negative electrodes with interposed the relevant inter-electrode separators; said basket is made of plastic material, chemically resistant to the electrolytic environment of the battery and thermally resistant to the temperatures to which a battery is subjected, to be housed inside the monobloc of 12V lead acid batteries with VRLA AGM technology.
Resumen de: US2025246700A1
Proposed is a separator defect inspection apparatus for a secondary battery. The separator defect inspection apparatus includes a base plate that is provided to be movable toward a secondary battery and a compression unit that provides a localized protrusion structure to the base plate to compress a predetermined area of the secondary battery.
Resumen de: US2025246613A1
Provided is a positive electrode active material for use in a fluoride ion secondary battery. The positive electrode active material includes Cu particles and Bi particles. In an XRD spectrum measured using Cu-Kα rays, a first peak is present in a range where a diffraction angle 2θ is 26.2±0.15 degrees, a second peak is present in a range where the diffraction angle 2θ is 30.4±0.25 degrees, and a third peak is present in a range where the diffraction angle 2θ is 27.0±0.25 degrees.
Resumen de: US2025246695A1
An electrode assembly, a battery cell, a battery, and an electrical device are disclosed. The electrode assembly includes: a positive electrode plate and a negative current collector. The positive electrode plate and the negative current collector are stacked along a first direction. At least one of the positive electrode plate or the negative current collector includes a substrate assembly. The substrate assembly includes a substrate layer and an elastic layer. The substrate layer and the corresponding elastic layer are stacked along the first direction.
Resumen de: US2025246697A1
A battery management system (BMS) and a related device. The BMS includes a first BMU and a second BMU. Inside the first BMU, a first BMIC is connected between a first-type input port and a first-type output port, and a second-type input port is connected to a second-type output port. Inside the second BMU, a second BMIC is connected between a second-type input port and a second-type output port, and a first-type input port is connected to a first-type output port. The first BMIC and the second BMIC support different communication protocols. Based on this, BMUs of different types of BMICs can be used together in a same battery management system, and system compatibility is better.
Resumen de: US2025246714A1
A battery comprises a plurality of battery cells and a heat exchange member. Each battery cell comprises a housing and a pressure relief mechanism, the housing has a first wall and a second wall opposite to each other in a first direction, the pressure relief mechanism is disposed in the first wall, and the plurality of battery cells are arranged at least in a second direction. The heat exchange member is disposed at the side of the plurality of battery cells close to the second walls, the heat exchange member has a heat exchange zone, the heat exchange zone extends in the second direction and a third direction, and the first direction, the second direction and the third direction intersect one another. The heat exchange zone is used for heat exchange with the battery cells, and the second walls of the plurality of battery cells cover the heat exchange zone.
Resumen de: WO2025156398A1
A welding testing device and a welding testing method. The welding testing device is used for testing a welding seam (3) between a housing (11) and a top cover (12) of a battery (1). The welding testing device comprises: an image acquisition component (2) configured to photograph the welding seam (3), wherein the image acquisition component (2) is located above the outer side of the welding seam (3) and forms an included angle (α) with a height direction (z) of the battery (1); and a controller configured to obtain a protruding height (H) of the welding seam (3) relative to a reference plane area on an outer side wall of the housing (11) on the basis of a first distance (H1) between the image acquisition component (2) and the outer side wall of the housing (11), a second distance (H2) between the image acquisition component (2) and the welding seam (3), and the included angle (α), compare the protruding height (H) with a preset height threshold, and determining whether the protruding height of the welding seam (3) meets a standard.
Resumen de: WO2025158066A1
There is disclosed herein a computer-implemented method for determining alignment of a stack of electrode sheets comprising obtaining a first and second image of the stack, determining distances between apparent edges of the imaged sheets, and determining an alignment based on these distances, and the known angles along which the first and second images were taken. A further method is disclosed, additionally comprising the capture of the first and second images. A system is also disclosed, for carrying out the methods.
Resumen de: WO2025158149A1
A molten sodium/metal chloride electrochemical cell comprises an anode compartment (14) and a cathode compartment (15), each enclosed in part by a respective metal plate (11, 12), the two compartments being separated by an impermeable, sodium-ion-conducting electrolyte element. The electrolyte element comprises an impermeable glass-ceramic layer (23b) bonded by a porous and permeable glass-ceramic layer (23a) to a perforated metal sheet (16), wherein the materials of the glass-ceramic layers comprise Na5RSi4O12, where R is a rare-earth element. The element R may be Sc, Er, Y, Ho, Dy, Gd, Eu, or Sm. The porous layer (23a) and the impermeable layer (23b) may be of different chemical compositions.
Resumen de: US2025246624A1
A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery are provided. The negative electrode includes a current collector, and a negative electrode active material layer including a negative electrode active material and a polymer whose volume or length is reduced at a set or predetermined temperature.
Resumen de: US2025246681A1
An electrolyte solution includes an electrolyte salt, a solvent, and a polyether. A secondary battery includes the electrolyte solution. A method for preparing a secondary battery electrolyte solution includes adding an additive and a cyclic ether compound into a composition containing an electrolyte salt and a solvent, and performing in-situ polymerization for at least 24 hours to obtain the secondary battery electrolyte solution. The additive is a Lewis acid or a Lewis acid precursor.
Resumen de: US2025246596A1
An aging system for aging a plurality of cells includes a plurality of chambers comprising multiple levels, each of the levels housing a cell; and a crane unit provided adjacent to the chamber, for transporting and delivering cells to each level of the chamber; and the crane unit includes: an upper frame; a lower frame; a pair of masts connecting the upper and lower frames; and a lifting unit coupled to the pair of masts so as to be lifted up and down by being guided by the pair of masts. The crane unit further includes at least one air conditioning fan that blows wind to circulate air so that the temperature distribution of each cell housed in the chamber is uniform.
Resumen de: US2025246595A1
An apparatus for inspecting a dry electrode, the apparatus including: a feeder to feed a dry electrode film corresponding to a freestanding film; a resistance sensor to contactlessly measure an electrical resistance value of the dry electrode film fed by the feeder; and a trimmer to remove an edge portion having a width from a widthwise end portion of the dry electrode film.
Nº publicación: US2025246691A1 31/07/2025
Solicitante:
KYOCERA CORP [JP]
KYOCERA Corporation
Resumen de: US2025246691A1
An electrochemical cell includes a first electrode, a second electrode, a solid electrolyte layer, and an intermediate layer. The solid electrolyte layer is located between the first electrode and the second electrode. The intermediate layer is located between the solid electrolyte layer and the second electrode. The intermediate layer contains at least one selected from the group consisting of Cu, Na, and V as a first element, and contains Ce as a second element.
BOPI
Sede Electrónica
