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1490
resultados
Última actualización
07/11/2025 [07:13:00]
Resultados 275 a 300 de 1490
Resumen de: EP4644830A1
The present application relates to a coating misalignment detection method, an apparatus, a computer device, and a storage medium. The method includes: obtaining a coating type of an electrode plate substrate and determining a number of reference edges according to the coating type; determining a corresponding target reference edge of each coating region edge of the electrode plate substrate in a case where the number of reference edges is two; determining first distance data from coating region edges on a first surface of the electrode plate substrate to a corresponding target reference edge and second distance data from coating region edges on a second surface of the electrode plate substrate to a corresponding target reference edge; and determining a coating misalignment amount of the electrode plate substrate in a coating process according to the first distance data and the second distance data. By adopting the method, the interference generated by blank regions on the surfaces of the electrode plate substrate in the coating misalignment detection process can be reduced, and the accuracy of the coating misalignment detection is effectively improved.
Resumen de: EP4645443A1
The present application provides a positive electrode plate and a preparation method therefor, as well as a secondary battery, and an electrical apparatus. The positive electrode plate of the present application has a higher compacted density.
Resumen de: EP4644843A1
The present application provides a calibration element and a method for calibrating a detection system using the calibration element. The calibration element includes a base body including a side face and at least one reference portion located at the side face of the base body, wherein the at least one reference portion has at least two of the following items: at least one first shape feature perpendicular to the side face, at least one second shape feature parallel to the side face, and at least one color feature, wherein the at least one first shape feature, the at least one second shape feature and the at least one color feature are used for calibration of the detection system. The technical solutions in the embodiments of the present application can efficiently determine whether a fault exists in the detection system, find and solve a problem in a timely manner, thereby ensuring the normal operation of the system.
Resumen de: EP4645581A1
A battery module according to an embodiment of the present disclosure includes a battery cell stack in which a plurality of battery cells is stacked, a module case for accommodating the battery cell stack, a busbar frame disposed on one side of the battery cell stack, and two insulating covers disposed on both sides of the battery cell stack, wherein one of the two insulating covers includes a pressure pad, the other insulating cover is disposed on the outside of the busbar frame, and the pressure pad of the one insulating cover pressurizes the battery cell stack in a direction of the other insulating cover disposed on the outside of the busbar frame.
Resumen de: EP4645463A1
Positive electrode active materials for a rechargeable battery, methods for preparing the same, and rechargeable lithium batteries including the same are disclosed. A positive electrode active material includes a first particle including a compound represented by Chemical Formula 1, and a second particle including a compound represented by Chemical Formula 2. Here, the Mn content (e.g., amount) of Chemical Formula 2 is 1 to 5 times the Mn content (e.g., amount) of Chemical Formula 1 based on 100 mol% of transition metals (e.g., all metals excluding lithium).
Resumen de: EP4645435A1
Provided are a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, and for example, a positive electrode for a rechargeable lithium battery, including a current collector, a first positive electrode active material layer on the current collector, and a second positive electrode active material layer on the first positive electrode active material layer. The first active material layer includes a first particle represented by Formula 1 and having the form of a single particle and a second particle represented by Formula 2, and the second positive electrode active material layer includes a third particle represented by Formula 3 and having the form of a secondary particle in which a plurality of primary particles are aggregated. The first particle is present in a greater content than the second particle.
Resumen de: MX2025009017A
According to various embodiments, a method of quickly and inexpensively forming a crystallographically-stable, highly durable, cobalt-free, lithium-substituted, lithium-rich metal oxide (S-LRMO) material is provided, where the element that is used to replace lithium is some combination of Na, K, Ca, and Mg, and is above the levels commonly thought of as doping. In some embodiments, a cathode active material comprising a lithium-substituted, lithium-rich metal oxide is provided. For example, in some embodiments, the cathode active material comprises a chemical formula LiLi<sub>x</sub>A<sub>y</sub>M<sub>z</sub>O<sub>b</sub>, where A comprises at least one of Na, K, Ca and/or Mg. In some embodiments, (x + y) is greater than 0 and less than 0.3, y > 0.05, z = 1 - (x + y), M includes Mn and Ni, and b is greater than or equal to 1.8 and less than or equal to 2.2.
Resumen de: MX2025011214A
The invention relates to a method for recycling a battery, having the steps of: (a) providing an at least partially discharged battery, (b) comminuting the at least partially discharged battery in a process chamber (11) in order to obtain battery parts, (c) drying the battery parts in a process chamber (11) in order to obtain dried battery parts and a separated gas, and (d) packing the dried battery parts in order to form a package. The invention is characterized in that steps (b) and (c) are carried out in the same process chamber (11). The invention additionally relates to a mobile device for recycling a battery using the method and to a package in which 1 to 30 kg of battery parts are contained and which can be obtained using the method.
Resumen de: MX2025011316A
A battery according to one embodiment of the present invention may comprise: an electrode assembly; a battery housing for accommodating the electrode assembly through an opening formed at one side thereof; a battery terminal electrically connected to the electrode assembly through a closing part provided at the opposite side of the opening of the battery housing; and a current collector including a first coupling part, which is electrically coupled to the electrode assembly, and a second coupling part, which is electrically coupled to the battery terminal and has a resistance increase region formed in at least one portion thereof.
Resumen de: MX2025011425A
A negative electrode sheet, a battery and an electric device. The negative electrode sheet comprises a current collector and a negative electrode active material layer that coats at least one surface of the current collector, wherein the negative electrode active material layer comprises a negative electrode active material, a silicon dioxide aerogel and a binder; the negative electrode active material is filled with the silicon dioxide aerogel; and the silicon dioxide aerogel accounts for 0.1%-5% of the total mass of the negative electrode active material layer.
Resumen de: MX2025008919A
A system and method for recovering heavy metals from nonhazardous scrap lead acid battery slag using pyrometallurgical and hydrometallurgical process to clean slag for commercial use as an environmentally friendly substitute solid filler in product. Process recovers previously nonhazardous landfilled lead and tin for value economically for the business unit and repurposes the businesses major solid waste stream. Methods iteratively remove tin, lead, antimony, arsenic from slag to be used in commercial materials as well as concentrate lead and tin in a fume to recover lead for recycled production and produce commercial grade tin.
Resumen de: MX2025011483A
A battery cell according to an embodiment of the present invention comprises: an electrode assembly in which a first electrode and a second electrode and a separator interposed therebetween are wound around a winding axis to define a core and an outer circumferential surface, the first electrode comprising a first non-coated portion which is not coated with an active material layer along the winding direction; a battery housing having an opening on one side thereof and accommodating the electrode assembly through the opening; and a current collector comprising a support portion disposed on the top of the electrode assembly, a tab coupling portion extending from the support portion and coupled to the first non-coated portion, and a housing coupling portion extending from the support portion and electrically coupled to an inner surface of the battery housing, wherein a fracture portion having lower strength than the surrounding area is provided at the boundary between the support portion and the tab coupling portion.
Resumen de: MX2025011479A
The present invention relates to a non-aqueous electrolyte comprising a lithium salt, an organic solvent, and an additive, wherein the additive comprises a compound represented by chemical formula 1 below. Chemical formula 1 In chemical formula 1: R<sub>1</sub> is an allyl group or a propargyl group; R<sub>2</sub>, R<sub>3</sub>, R<sub>4</sub>, and R<sub>5</sub> are each independently selected from hydrogen and a C1-C5 alkyl group; L is selected from a single bond and a C1-C10 alkylene group; and X is selected from -C(=O)-, -S(=O)-, and -S(=O)<sub>2</sub>-.
Resumen de: MX2025011471A
An O-ring according to an embodiment of the present invention comprises: a first part seated on a bead portion in which a battery housing is recessed inward; and a second part provided above the first part and configured to cover the upper surface of the battery housing.
Resumen de: MX2025011365A
A terminal post (100), a top cover structure, a battery cell, a battery module, and a battery pack. The terminal post (100) comprises a first metal component (1) and a second metal component (2) connected to each other. One of the first metal component (1) and the second metal component (2) is provided with a protruding section (11), and the other is provided with a first recessed section (22). The protruding section (11) is fitted into the first recessed section (22) and connected therewith. The edge at an end of the second metal component (2) extends outwards to form an extension edge, the first metal component (1) is provided with a second recessed section (12), and the extension edge is fitted into the second recessed section (12).
Resumen de: MX2025011484A
The present invention provides an electrode assembly, a cylindrical battery, a battery pack and a vehicle. The electrode assembly comprises: a first electrode and a second electrode that are wound around one axis so as to define a core and an outer circumferential surface; and a separator interposed therebetween. The first electrode and/or the second electrode includes an uncoated portion extending in a winding direction along a long side end portion thereof. The uncoated portion includes a plurality of segment pieces that are separated by a cut groove formed in the winding direction and are independently bendable. The plurality of segment pieces are bent toward the core so as to form a bent surface area at one end of the electrode assembly. At least some of the plurality of segment pieces include a folded end portion.
Resumen de: NZ798856A
A lithium-ion battery assembly includes a plurality of battery cells in a spaced-apart and generally parallel arrangement, each cell of the battery cells extending along a central axis and having a first end portion with a negative terminal and a second end portion with a positive terminal· The assembly includes a first capture plate and a second capture plate, where at least the first capture plate defines capture plate openings corresponding to the plurality of battery cells, the first capture plate spaced from and oriented generally parallel to the second capture plate. Each of the plurality of battery cells extends between the first and second capture plates and is coaxially arranged with one of the capture plate openings in the first capture plate. The assembly optionally includes a body between the capture plates, the body defining a void for each battery cell.
Resumen de: FR3161800A1
Elément électrochimique comprenant un faisceau électrochimique enroulé en spirale et procédé de fabrication associé L’élément électrochimique (10) comprend un faisceau électrochimique comportant un ensemble plat (22) enroulé en spirale autour d’un axe central (A-A’) et comprenant : - une électrode négative (30) ; - une électrode positive (60) ; et - un séparateur (90). L’électrode négative (30) présente une forme de profilé en U et délimitant un espace intermédiaire (38) d’électrode négative (30). L’électrode positive (60) présente une forme de profilé en U et délimite un espace intermédiaire (68) d’électrode positive (60). Une première partie électrochimiquement active (64) de l’électrode positive (60) s’étend dans l’espace intermédiaire (38) d’électrode négative (30) et une deuxième partie électrochimiquement active (36) de l’électrode négative (30) s’étend dans l’espace intermédiaire (68) d’électrode positive (60). Figure pour l'abrégé : Figure 3
Resumen de: FR3161804A1
La présente invention concerne un procédé de fabrication du matériau actif pour électrode positive Li2S comprenant : a) la mise en contact d’au moins un métal choisi parmi Li, Ni, Mn, Co, Ti, V, Cr, Fe, Cu, Mg, Al et leurs mélanges avec au moins une solution d’acide sulfurique pour obtenir une solution S1 ; b) la purification de la solution S1 ; c) la séparation par extraction par solvant pour obtenir une solution de sulfate de lithium ; d) la réduction du sulfate de lithium pour obtenir le matériau actif pour électrode positive Li2S.
Resumen de: FR3161803A1
Dispositif (3) de support d’un composant (10) tel qu’une cellule électrochimique comprenant du lithium métallique solide à recycler. Le dispositif (3) comprend une enveloppe (21) et un organe de butée (44) configurés pour empêcher un contact direct du composant (10) avec une armature (20) du dispositif (3) tout en facilitant une extraction du lithium métallique liquéfié. Installation et procédé d’extraction s’y rapportant. Figure pour l’abrégé : Fig. 6
Resumen de: FR3161806A1
La présente divulgation concerne une cellule en sachet (100) pour un module de batterie électrique (1000), formée d’un sachet refermable (101) comprenant au moins une bande d’électrodes (150, 152, 154) dont les électrodes sont aptes, en fonctionnement, à faire réagir électro-chimiquement un électrolyte, la réaction électrochimique de l’électrolyte déclenchant la génération d’un gaz, le sachet refermable (101) comprenant une pluralité de logements (110, 120) alignés, chacun desdits logements (110, 120) étant formé dans une surface interne du sachet refermable (101) et étant apte à accueillir le gaz généré.
Resumen de: FR3161755A1
L’invention concerne un procédé de détection d’une immobilisation d’un véhicule automobile rechargeable préalable à une décharge profonde critique d’une batterie de traction dudit véhicule comportant une étape d’enregistrement d’une date d’arrêt de la charge DCfin(n) ; une étape d’enregistrement d’une date de début de la charge DCinit(n+1) lorsque un moyen de rechargement est enfiché dans l’embase de rechargement ; une étape de calcul d’un premier intervalle de temps IntD entre la date d’arrêt de la charge DCfin(n) et la date de début de la charge DCinit(n+1) par la formule mathématique suivante : IntD = DCinit(n+1) - DCfin(n), le premier intervalle de temps IntD étant stocké dans ledit boîtier de servitude intelligent ou une étape d’enregistrement d’une date actuelle Dactu à laquelle la batterie est en décharge profonde critique, un deuxième intervalle de temps IntDactu étant calculé par la formule mathématique suivante : IntDactu = Dactu - DCfin(n). Figure 1
Resumen de: FR3161801A1
L’invention concerne une batterie (BT) comprenant : plusieurs branches (BRj) connectées en parallèle entre des bornes positives de branche (BTHj) respectives et une borne externe négative (PTL) de batterie, chaque branche comprenant plusieurs modules (MDk) connectés en série, et une unité de gestion de batterie (BMU) connectée aux bornes positives de branche et aux bornes externes de la batterie, chaque module comprenant : plusieurs rameaux connectés en parallèle entre des bornes positives de rameau respectives et une borne négative de module, chaque rameau comprenant plusieurs cellules connectées en série, comprenant chacune deux bornes de connexion connectées à une unité de mesure respective, et une unité de gestion de module connectée aux bornes positives de rameau et aux bornes du module, et comprenant un premier circuit de communication pour communiquer avec les unités de mesure du module et un second circuit de communication pour communiquer avec l’unité de gestion de batterie. Figure 1
Resumen de: FR3161802A1
L’invention concerne un procédé de communication dans une batterie (BT) comprenant une pluralité de cellules (CLi), entre une unité de gestion (BMU), connectée à des bornes (PTH, PTL) de la batterie et des unités de mesure (MCi) connectées chacune entre deux bornes de connexion (CTH, CTL) d’une des cellules de la batterie, le procédé comprenant des étapes consistant à : émettre une requête (FR1) par l’unité de gestion en appliquant des chutes de tension aux bornes de la batterie ; recevoir la requête par chacune des unités de mesure, par démodulation de chutes de tension détectées aux bornes de la cellule associée ; émettre une réponse (CFR_J) par chaque unité de mesure, en appliquant des chutes de tension aux bornes de la cellule ; et recevoir la réponse par l’unité de gestion, par démodulation des chutes de tension détectées aux bornes de la batterie. Figure 1
Nº publicación: FR3161805A1 31/10/2025
Solicitante:
AMPERE SAS [FR]
AMPERE SAS
Resumen de: FR3161805A1
La présente invention concerne un matériau composite pour électrode positive d’une batterie comprenant au moins un matériau actif pour électrode positive, ledit matériau actif comprenant au moins du sodium et au moins un métal choisi parmi Ni, Mn, Co, Ti, V, Cr, Fe, Cu, Mg et leurs mélanges, dont la surface est recouverte au moins partiellement d’une couche d’au moins de Na3PS4.
BOPI
Sede Electrónica
