Resumen de: FR3174018A1
ELECTRODES COMPOSITES ET LEURS UTILISATIONS La présente invention concerne une électrode composite (1) comprenant : une encre comprenant :au moins un liant polymère ;au moins une première population de particules de graphite ; au moins une seconde population de particules de graphite ; etun additif conducteur ;un substrat (11) sur lequel est déposée l’encre ; dans laquelle les particules de graphite de la première population ont une taille moyenne supérieure à celle des particules de graphite de la seconde population. L’invention concerne également un dispositif médical comprenant au moins une électrode composite (1) et le procédé de préparation de ladite électrode. Figure de l ’ abrégé : Fig. 1
Resumen de: FR3174001A1
Ce procédé de détection d’un défaut dans une batterie d’accumulateurs comprenant un ensemble de cellules, caractérisé en ce qu’il comprend les étapes suivantes : - Mesure (étape E1) régulière de la tension de chaque cellule de la batterie sur une plage d’état de charge prédéfinie de ladite batterie ; - Détermination du premier instant (étape E2) au cours duquel la tension mesurée d’une cellule varie selon un motif prédéfini ; - Détermination du dernier instant (étape E3) au cours duquel la tension mesurée d’une cellule varie selon le motif prédéfini ; - Calcul (étape E4) de la charge, en Ah, ayant traversé la batterie entre le premier instant et le dernier instant déterminés ; et - Comparaison (étape E5) de la charge à un seuil de défaillance prédéfini. Figure pour l’abrégé : Fig. 2
Resumen de: FR3174020A1
Un module de batterie (10) comprend au moins une première rangée (12.1, 12.2) de cellules (14) empilées dans une direction longitudinale (X), au moins un assemblage de plaque latérale (22, 24) ayant une première paroi (34.1), chacune des cellules (14) de la première rangée (12.1, 12.2) ayant un premier côté (28.1) fixé de manière permanente à la première paroi (34.1) dans un premier plan de référence (XZ1) parallèle à la direction longitudinale (X), caractérisé en ce que l’assemblage de plaque latérale (22, 24) a une seconde paroi (34.2) espacée de la première paroi (34.1) dans une direction transversale (Y) perpendiculaire au plan de référence (XZ1), un ensemble d’un ou de plusieurs espaces isolants (100, 101) étant délimité entre la première paroi (34.1) et la seconde paroi (34.2), l’ensemble d’un ou de plusieurs espaces isolants (100, 101) étant contenu dans une portion d’espace ayant une dimension transversale (D) mesurée dans la direction transversale (Y) qui est supérieure à 50 µm et inférieure à 500 µm, de préférence inférieure à 200 µm et plus préférablement inférieure à 100 µm.
Resumen de: FR3173861A1
Caisson de batterie de traction d’un véhicule automobile électrique ou hybride, comportant une ouverture permettant d’entrer un nombre variable de modules (30) de cellules électrochimiques alignés suivant une direction longitudinale, et des systèmes de connexion électriques (24, 26) recevant chacun de ces modules (30), le caisson de batterie (2) comportant une partie mobile (12) qui se déplace pour s’ajuster au nombre de modules (30) reçus, et les systèmes de connexion électriques (24, 26) comportant un dispositif d’adaptation qui suit le déplacement de la partie mobile de caisson (12) en assurant une connexion électrique à tous les modules reçus (30). Figure 1
Resumen de: FR3174024A1
Connecteur électrique (10) pour un module de batterie (100) ayant un système de gestion de batterie (110) et deux cellules (121) en parallèle dotées chacune d’une électrode (122), le connecteur électrique (10) comprenant un élément conducteur (20) qui comporte : un corps principal (21) adapté pour être relié électriquement au système de gestion de batterie (110) du module de batterie (100), au moins un premier bras (22) et un second bras (22) s’étendant chacun depuis le corps principal (21), le premier bras (22) et le second bras (22) étant chacun destiné à être relié électriquement avec l’électrode (122) d’une cellule (121) associée parmi les deux cellules (121), le premier bras (22) et le second bras (22) présentant une résistance électrique sensiblement identique. Figure de l’abrégé : Figure 4
Resumen de: FR3174019A1
Module de stockage d’énergie électrique L’invention concerne un module (1) de stockage d’énergie électrique configuré pour loger une pluralité d’organes de stockage (10) entre des parois dudit module formant une enceinte (7) comprenant une paroi intérieure, ledit module étant destiné à une application de batterie pour véhicule ou installation stationnaire et comprenant : une couche de matière composite contenant des fibres de renfort (2);une couche d’aluminium (3); etune couche ou revêtement de peinture intumescente (4) configurée pour former une couche isolante thermiquement lors d'une exposition à la chaleur, ladite couche ou revêtement de peinture étant orientée vers et formant la paroi intérieure de l’enceinte dudit module. (Figure 1)
Resumen de: FR3174022A1
Module combiné (100a; 100b) de batterie, comprenant au moins un premier module unitaire (10a) de batterie et un deuxième module unitaire (10b) de batterie rapportés l’un à l’autre selon une première direction (D1), le premier module unitaire (10a) et le deuxième module unitaire (10b) comprenant chacun une ou plusieurs cellules (30) et un ou plusieurs supports (20a; 20b) adaptés au maintien desdites une ou plusieurs cellules (30) correspondantes, au moins un desdits un ou plusieurs supports (20a; 20b) du premier module unitaire (10a) et au moins un desdits un ou plusieurs supports (20a; 20b) du deuxième module unitaire (10b) comprenant des premiers reliefs (40) associés par complémentarité de forme pour bloquer un déplacement relatif selon la première direction (D1) entre le premier module unitaire (10a) et le deuxième module unitaire (10b). Figure de l’abrégé : Figure 1
Resumen de: US20260312071A1
0000 Disclosed are an electrode current collector, an electrode, and a rechargeable lithium battery. The electrode current collector includes a first metal layer, a second metal layer, and a polymer layer between the first metal layer and the second metal layer. The polymer layer includes a first polymer and a second polymer, the first polymer includes at least one of polyurethane, polyethylene, polycarbonate, polydimethylsiloxane, or a combination thereof, and the second polymer includes at least one of polycaprolactone, polylactide, polyglycolic acid, or a combination thereof.
Resumen de: US20260312019A1
0000 A cathode for a lithium secondary battery includes a cathode current collector, a first cathode active material layer disposed on the cathode current collector and including a first conductive material, and a second cathode active material layer disposed on the first cathode active material layer and including a second conductive material. A Raman R value of the first cathode active material layer is in a range from 0.5 to 1.1, and the Raman R value of the second cathode active material layer is in a range from 1.05 to 1.5.
Resumen de: US20260312018A1
A secondary battery disclosed herein includes a cathode, an anode, and a nonaqueous electrolytic solution. The cathode includes a cathode current collector and a cathode active material layer on the cathode current collector. The cathode active material layer includes a first layer and a second layer, and the first layer is located between the cathode current collector and the second layer. The first layer includes first cathode active material particles, and the second layer includes second cathode active material particles. The second cathode active material particles have an average particle strength of 190 MPa or higher, which is higher than that of the first cathode active material particle. The second cathode active material particles have an average sphericity of 0.95 or higher.
Resumen de: US20260312166A1
0000 An electrode body disassembly method includes a preparation step of preparing the electrode body in which a strip-shaped first separator sheet, a strip-shaped second separator sheet, a strip-shaped negative electrode sheet having a shorter length in a longitudinal direction thereof than the first separator sheet and the second separator sheet, and a strip-shaped positive electrode sheet having a shorter length in the longitudinal direction of the negative electrode sheet are laminated and wound in a predetermined winding direction thereof, and a separation step of pulling the first separator sheet and the second separator sheet and disassembling the electrode body such that the negative electrode sheet and the positive electrode sheet are separated from the first separator sheet and the second separator sheet in a state where innermost peripheral parts of the first separator sheet and the second separator sheet are fixed.
Resumen de: US20260312164A1
0000 A method for disassembling an electrode assembly disclosed here includes: preparing an electrode assembly formed by stacking a strip-like first separator, a strip-like negative electrode, a strip-like second separator, and a strip-like positive electrode in this order and winding the stack in a predetermined winding direction; separating the electrode assembly into the first separator and the negative electrode, and the second separator and the positive electrode at a winding end portion of the electrode assembly; and pulling the first separator and the second separator, respectively, to unwind the electrode assembly. The unwinding includes winding a not-yet-unwound portion of the electrode assembly around a roll that deflects a transport direction of a wound sheet.
Resumen de: US20260312163A1
0000 An electrode body disassembly method includes an electrode body preparation step of preparing the wound electrode body in which a strip-shaped negative electrode sheet and a strip-shaped positive electrode sheet are laminated with a strip-shaped first separator sheet and a strip-shaped second separator sheet therebetween and wound in a predetermined winding direction, and a separation step of pulling the first separator sheet and the second separator sheet, and drawing out and separating the first separator sheet, the negative electrode sheet, the second separator sheet and the positive electrode sheet.
Resumen de: US20260312267A1
In a sealing step of the manufacturing method according to the present disclosure, a third surface is pressed in a first surface direction with a first pressing jig at a first load value, and a pair of second surfaces is pressed from the both sides with second pressing jigs at a second load value. The filling port is then sealed while the second surfaces are deformed toward the inner surfaces of a case body. In a case placement step, the case is placed on a holding member so that a base portion of a holding member is brought into contact with a first surface of the case body. In the sealing step, a region where the first pressing jig faces the third surface is composed of a material having relatively lower hardness than the holding member, and the second load value is larger than the first load value.
Resumen de: US20260307927A1
An electrode body disassembly device includes a pair of first nip rollers that nip a strip-shaped first separator sheet and a transfer motor that rotates the first nip roller and transfers the first separator sheet. The first nip roller includes a wire. The wire extends in a tangential direction of the first nip roller and in a downstream direction in a transfer direction of the first separator sheet.
Resumen de: US20260308013A1
0000 A method for directly synthesizing nickel-manganese-cobalt (NMC) electrode materials from black mass, includes steps of: leaching the black mass with a hydrophobic deep eutectic solvent to extract critical metals, including lithium, cobalt, nickel and manganese, and generate a pregnant hydrophobic deep eutectic solvent, adding a precipitant to the pregnant hydrophobic deep eutectic solvent to precipitate salts of the NMC electrode materials from a lithium-enriched hydrophobic deep eutectic solvent, adjusting metal ratios of nickel, manganese and cobalt in the precipitated salts of the NMC electrode materials to a target metal ratio for cathode synthesis to generate a precursor formulation and synthesizing a target cathode material from the precursor formulation.
Resumen de: US20260312116A1
0000 A secondary battery manufacturing device may include a winder that is rotatable in one direction and winds electrode plates and separators to generate an electrode assembly, the electrode plates and separators being alternately arranged, the winder being spaced apart from the electrode plates; a cutter having a cutter configured to cut the electrode plates and the separators; and a finisher that is configured to contact the electrode plates and that applies an adhesive material to one end of the electrode plates.
Resumen de: US20260307310A1
0000 A method comprising: providing a first and second cover layer element in a mold unit, at least one of the cover layer elements having a first and second surface ply element that are arranged next to and/or fastened to each other, directly, there being one or more through-holes realized in the second surface ply element; and introducing a plastic material between the first and the second cover layer element , during the introduction of the plastic material, plastic material being introduced through the one or more through-holes between the first and the second surface ply element and/or being brought into contact with the first surface ply element, as a result of which the plastic material in the region of the one or more through-holes of the second surface ply element realizes a respective fixing section for fixing at least one of the surface ply elements to the core element.
Resumen de: US20260309793A1
0000 A method for determining a capacity of one of a plurality of battery sections of a rechargeable energy storage system (RESS) may include determining a first state of charge of a first battery section of the plurality of battery sections and discharging a first amount of charge from the first battery section in response to determining the first state of charge of the first battery section. The method further may include determining a second state of charge of the first battery section in response to discharging the first amount of charge from the first battery section. The method further may include determining the capacity of the first battery section based at least in part on the first state of charge, the first amount of charge, and the second state of charge.
Resumen de: US20260307611A1
An Internet-of-things (IoT) ecosystem includes: electronic control modules (ECMs) implemented in a vehicle and configured to perform dedicated functions of features of the IoT ecosystem, where the IoT ecosystem includes IoT devices; and an IoT controller configured to obtain contextual data and, based on the contextual data, assign at least one battery power budget for the ECMs and corresponding ones of the dedicated functions. At least a portion of the contextual data is received from the IoT devices and the ECMs. The ECMs are configured to implement the dedicated functions based on the at least one battery power budget.
Resumen de: US20260309795A1
0000 A battery management system may include a plurality of cell monitoring units comprising at least one first type cell monitoring unit configured to directly wirelessly communicate with a battery management unit, at least one second type cell monitoring unit configured to relay wireless communication with the battery management unit, and at least one third type cell monitoring unit configured to wirelessly communicate with the battery management unit via relaying by the second type cell monitoring unit, and a control unit configured to control the plurality of cell monitoring units to reduce one or more of current consumption deviation or dark current deviation among the first type cell monitoring unit, the second type cell monitoring unit, and the third type cell monitoring unit.
Resumen de: US20260307996A1
0000 The present disclosure relates to a negative electrode active material, a method for manufacturing the negative electrode active material, and a negative electrode including the negative electrode active material. The negative electrode active material includes a porous particle and an amorphous carbon coating layer surrounding the porous particle, wherein the porous particle includes metal particles and silicon nanowires in pores of the porous particle, and wherein ends of the silicon nanowires are attached to the metal particle.
Resumen de: DE102025119394A1
Ein System umfasst ein Batteriepack, einen Sensor, der so konfiguriert ist, dass er eine Zwischenpack-Spannung des Batteriepacks erfasst, und ein Steuermodul. Das Steuermodul ist so konfiguriert, dass es einen Isolationswiderstand des Batteriepacks basierend auf der Zwischenpack-Spannung bestimmt, Eigenschaften überwacht, die dem Batteriepack zugeordnet sind, und Flüssigkeitseinbruch innerhalb des Batteriepacks angeben, eine oder mehrere Markierungen basierend auf den überwachten Eigenschaften setzt, ein Schwereniveau aus einer Vielzahl von Schwereniveaus für Flüssigkeitseinbruch innerhalb des Batteriepacks basierend darauf identifiziert, welche Eigenschaft(en) das Setzen der einen oder mehreren Markierungen verursacht hat/haben, und mindestens eine Behebungsmaßnahme aus einer Vielzahl von Behebungsmaßnahmen als Antwort auf das identifizierte Schwereniveau zum Beheben von Flüssigkeitseinbruch innerhalb des Batteriepacks auswählt. Weitere Beispiele für Systeme und Verfahren werden ebenfalls offenbart.
Resumen de: US20260307122A1
A method for disassembling an electrode assembly disclosed here includes: preparing an electrode assembly formed by stacking a strip-like first separator, negative electrode, second separator, and positive electrode in this order and winding the stack; pulling the first separator and the second separator, respectively, to unwind the electrode assembly into a laminated sheet of the first separator and the negative electrode and a laminated sheet of the second separator and the positive electrode; and winding the laminated sheet of the first separator and the negative electrode around a first roll to deflect a transport path of the first separator, inserting a plate-like separation member into a portion where the transport path is deflected, and separating the negative electrode from the first separator to a first surface side and a second surface side of the separation member.
Nº publicación: WO2026210600A1 08/10/2026
Solicitante:
SUBARU CORP [JP]
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Resumen de: WO2026210600A1
One or more processors included in this battery control device: assign an identification voltage to each of a plurality of cells included in one or more battery packs; stores, in one or more memories, arrangement information of each of the plurality of cells in the one or more battery packs, in association with the identification voltage; acquires a measured voltage for each of the plurality of cells included in the one or more battery packs after reconfiguration, when detecting that the one or more battery packs have been reconfigured; and updates the stored arrangement information, on the basis of comparison between the stored identification voltage and the acquired measured voltage.