Resumen de: FR3166343A1
Un procédé de surveillance est mis en œuvre dans un véhicule géolocalisable et comprenant une batterie rechargeable et un dispositif de pré-conditionnement thermique propre, en cas d’activation, à réchauffer cette batterie. Ce procédé comprend une étape (10-90) dans laquelle, en cas de géolocalisation du véhicule à l’arrêt dans une zone où la température peut être inférieure à un premier seuil prédéfini, on génère, à destination du conducteur du véhicule, au moins un message recommandant d’activer le dispositif de pré-conditionnement thermique. Figure 3
Resumen de: FR3166476A1
La présente invention concerne l’utilisation dans une batterie secondaire Li-ion d’un polymère amorphe P1 comprenant au moins un segment -(S-R-S)-(S-R-S)-.
Resumen de: FR3166477A1
L’invention concerne une composition d’un électrolyte solide qui permet la fabrication d’un film présentant un très bon compromis entre conductivité ionique, stabilité électrochimique, stabilité à haute température, et tenue mécanique. Cette composition peut être utilisée dans un séparateur ou une électrode de batteries Na-ion ou K-ion.
Resumen de: FR3166496A1
L’invention concerne un rotor pour machine électrique comprenant : - un châssis qui comporte un moyeu (29) et, répartis autour d’un axe longitudinal, des éléments de pôle magnétique (21) qui s’élèvent à partir du moyeu (29) et qui sont séparés deux à deux par des gorges (40), chaque élément de pôle magnétique comportant un pied (210) et une tête évasée (211), - des bobinages de fil électrique conducteur enroulés autour des pieds des éléments de pôle magnétique, et - dans chaque gorge, une feuille de papier (100) isolant électriquement, qui est pliée de façon à présenter un fond (101) contre le moyeu, deux ailes (102) repliées par rapport au fond et engagées chacune entre l’un des bobinages et l’un des pieds des éléments de pôle magnétique, et deux retours (103) repliés par rapports aux ailes l’un vers l’autre et engagés chacun entre l’un des bobinages et l’une des têtes évasées des éléments de pôle magnétique. Selon l’invention, chaque feuille de papier comporte en outre au moins deux rabats (104) repliés par rapports aux deux retours vers le fond, entre les bobinages. Figure pour l’abrégé : Fig.3
Resumen de: FR3166478A1
Cellule électrochimique (2) de stockage d’énergie électrique, présentant une enveloppe métallique avec une paroi extérieure, et présentant un axe de cellule (A), la paroi extérieure comprenant au moins une rainure s’étendant localement selon une direction d’extension locale inclinée par rapport à un axe de cellule, la direction d’extension locale formant un angle (θ1) entre 40° et 80° par rapport à l’axe de cellule, hélicoïdale lorsque la cellule électrochimique est de forme cylindrique, et ensemble comprenant un outil de désassemblage d'une cellule électrochimique, l’outil de désassemblage comprenant une pièce tournante montée en rotation autour d'un axe, une ou deux pince(s) montée(s) sur une glissière de direction radiale, chaque pince étant configurée pour saisir une portion supérieure de la paroi extérieure et la tirer radialement vers l’extérieur. Figure de l’abrégé : Fig. 1
Resumen de: FR3166430A1
Plaque de protection configurée pour un refroidisseur L’invention concerne une plaque de protection (10) configurée pour être assemblée dans une fenêtre d’un refroidisseur, notamment un refroidisseur formé de deux plaques jointes, cette plaque de protection (10) comprenant au moins un orifice de ventilation (12) qui est initialement obturé par un opercule (27) relié au pourtour de l’orifice de ventilation (12) par au moins une zone de matière frangible (28) de sorte que l’opercule (27) puisse être dégagé de l’orifice pour définir un passage de dégazage (29) en cas de dégazage d’une cellule (101) de batterie posée en regard de l’opercule (27), la plaque de protection (10) étant en outre résistante au feu. Figure pour l’abrégé : Figure 5
Resumen de: WO2026057309A1
The invention relates to an automatic method for estimating the variation in entropy of a cell of a battery, this method comprising: - a calibration phase (130) comprising: • a step (132) of reading, for different charge states of the cell, values of the charge state of the cell, the internal temperature of the cell and the intensity of the current that passes through the cell and/or the voltage between the terminals of the cell, and • determining (134), on the basis of the readings taken, coefficients βj of a polynomial model that links a value ΔSk2 of the variation in entropy at a time k2 to a value SOCk2 of the charge state of the cell at this time k2, and - during an operating phase, estimating (116) the value ΔSk2 of the variation in entropy of the cell using the polynomial model.
Resumen de: DE102025135543A1
Eine Batterie 1 einer Ausführungsform enthält eine Elektrodengruppe 2, eine Zuleitung 17, eine Nut 23 und eine konkave Struktur 30, wobei die Elektrodengruppe 2 ein Stromsammelbündel 12 umfasst, das in einer Längsrichtung L1, L2 zu einer Seite hin vorsteht. Die Zuleitung 17 ist mit dem Stromsammelbündel 12 verbunden, indem sie in einer Dickenrichtung C1, C2 der Elektrodengruppe 2, die die Längsrichtung L1, L2 kreuzt, von einer Seite auf das Stromsammelbündel 12 gestapelt ist. Die Nut 23 ist in einem Verbindungsbereich zwischen der Zuleitung 17 und dem Stromsammelbündel 12 in einer Dicke C1, C2 in Richtung einer Seite, an der sich die Zuleitung 17 befindet, zu einem Nutgrund 26 vertieft. Die konkave Struktur 30 umfasst einen oder mehrere konkave Abschnitte 33, die jeweils von dem Nutgrund 26 in Richtung der Seite, an der sich die Zuleitung 17 befindet, weiter vertieft sind, und der Nutgrund 26 grenzt an die konkave Struktur 30 von einer Seite, die einer vorstehenden Seite des Stromsammelbündels 12 in Längsrichtung L1, L2 entgegegngesetzt ist, an.
Resumen de: WO2026056714A1
Provided in the present application are a composite-coated positive electrode material and a preparation method therefor, a positive electrode sheet, a lithium-ion battery and an electric device. The composite-coated positive electrode material comprises an inner core, a first coating layer that coats at least part of the surface of the inner core, and a second coating layer that coats at least part of the surface of the first coating layer, wherein the inner core comprises a lithium nickel manganese oxide; the first coating layer comprises a first coating material, the first coating material comprises one or more of nickel phosphate, manganese phosphate, lithium phosphate, lithium nickel phosphate and lithium manganese phosphate, the first coating material further comprises aluminum, and at least some aluminum atoms occupy nickel sites and/or manganese sites in the crystal structure of the lithium nickel manganese oxide; and the second coating layer comprises a second coating material, and the second coating material comprises lithium phosphate and at least one of lithium metaaluminate and aluminum oxide. The prepared positive electrode material has relatively high capacity and good cycle performance.
Resumen de: WO2026056237A1
Provided in the present disclosure is a battery. The battery comprises: an electrolyte, and a battery component in contact with the electrolyte; at least the surface of the battery component in contact with the electrolyte comprises a stainless steel layer, the electrolyte at least comprises a compound represented by formula 1, and the compound represented by formula 1 is: Formula 1.
Resumen de: WO2026056082A1
A positive electrode material and a preparation method therefor, a positive electrode slurry, a positive electrode sheet, and a lithium ion battery and a preparation method therefor. The positive electrode material is applied to a battery; the battery comprises an electrolyte; the electrolyte comprises lithium hexafluorophosphate and an organic solvent; the positive electrode material comprises a positive electrode active material and lithium carbonate; the lithium carbonate is coated on the surface of the positive electrode active material; and the mass ratio of the positive electrode active material to the lithium carbonate is 1:(0.001-0.03).
Resumen de: WO2026060156A1
An energy storage/battery system is disclosed. The system can include a multi-voltage configurable module (MVCM) and a multi-voltage configurable backplane (MVCB) that form the system. The system can be dynamically controlled to bring MVCMs on or offline to deliver power and capacity to a device. The MVCM can include a main housing with first cavities extending through the main housing to receive battery cells and second cavities in which printed circuit boards can be positioned to support the battery cells. The MVCB can include separable main housing sections.
Resumen de: WO2026058025A1
when Electric Vehicle are "Ultra Fast charged" or in case it needs extreme Power output, the drive Battery will heat up significantly. if the heat cannot be removed quickly enough, the heat can lead to degradation of Battery performance and potential risk of thermal Runaway. Furthermore At cold wheather under 0C degrees most lithium battery cells cannot be fast charged, risk of lithium (Li) plating and Battery in shortage range. The present Invention is plurality of Battery Cells Casing together with Liquid Channels constructed and integrated into Battery Module Housing or into Battery Pack Housing. This innovative solution enhance Liquid cooling and Heating of Battery Cells efficiently at optimal condition.
Resumen de: WO2026057168A1
Provided is a thermal management complex, including a protective layer (30); and a heat barrier layer (20) provided on at least one surface of the protective layer (30), wherein the protective layer (30) includes a resin having a thermal expansion coefficient of 5 ppm/°C to 50 ppm/°C in a temperature range of 100°C to 200°C, the surface, provided with the heat barrier layer (20), of the protective layer (30) is modified, and the heat barrier layer (20) includes a silicone-based resin matrix.
Resumen de: WO2026057242A1
The invention relates to a multi-layer anode (40) for a solid-state battery, said anode being applied to an anode current collector (50) and comprising or consisting of a first layer (42) and a second layer (44), wherein the first layer (42) has one or more metal elements selected from the group consisting of silver (Ag), magnesium (Mg), gold (Au), palladium (Pd), aluminum (Al), bismuth (Bi), indium (In), tin (Sn), gallium (Ga), platinum (Pt), cadmium (Cd), germanium (Ge), selenium (Se), antimony (Sb), arsenic (As) and/or titanium (Ti), and the second layer (44) consists of a protective oxide layer which has or consists of one or more oxides of silicon (Si) and/or the above elements. The invention is distinguished by the fact that the ultrathin multi-layer anode according to the invention makes it possible to provide solid-state batteries which exhibit high energy density, making it possible to improve the reversibility of the lithium plating/stripping process during charging/discharging and to improve the cycle life of the solid-state battery.
Resumen de: WO2026057252A1
The invention relates to a thermal control device (1), in particular for cooling, for an electrical component (100) capable of releasing heat, the device comprising an upper plate (2), an intermediate plate (3) and a lower plate (4), the intermediate plate (3) being assembled by being interposed between the upper plate (2) and the lower plate (4), in order to together form a plurality of circulation channels (5) for a heat-transfer fluid, the channels (5) extending between a fluid inlet zone and a fluid outlet zone, in which thermal control device the intermediate plate (3) comprises a plurality of bars (10) which each have a perimeter at least partially delimiting at least one of the channels (5), and two bars (10) on either side of the channel (5) are connected together by at least one bridge of material (20) which extends locally across the channel (5) between these bars (10).
Resumen de: WO2026055932A1
The present application relates to the technical field of positive electrode materials of batteries, and provides a lithium iron borate phosphate positive electrode material and a preparation method therefor, a positive electrode sheet, and a secondary battery. The chemical general formula of the lithium iron borate phosphate positive electrode material is LixFeTiyPzBwO(4z+3w+2y)/C, wherein x, y, z, and w are all non-zero positive numbers, 1.02≤x≤1.05, 0.01≤y≤0.05, 0.92≤z≤0.95, and 0.05≤w≤0.15, and on the basis of the mass of the lithium iron borate phosphate positive electrode material being 100%, the mass content of C is 1.00% to 1.35%. The lithium iron borate phosphate positive electrode material provided by the present application has a low price, excellent ionic conductivity, high capacity, excellent rate performance, and improved cycling stability, and thus has wide prospects for application.
Resumen de: US20260081140A1
Provided herein are methods of preparing electrodes. The method comprises: combining an electroactive material, an electron conductive material, an electrolyte, and a polymeric binder, to form an active mixture; and shaping the active mixture to form an electrode. In some embodiments, the electrolyte comprises a salt and a nonaqueous solvent of the salt. In some embodiments, the solvent of the salt does not dissolve the polymeric binder. In some embodiments, the method does not include a drying step to remove the solvent and the nonaqueous solvent remains in the active mixture and the electrode. In some embodiments, the electrode as prepared has an areal capacity of at least 2 mAh/cm2 and a thickness of at least 30 μm.
Resumen de: US20260081158A1
An anode material having 0.8≤0.06×(Dv50)2−2.5×Dv50+Dv99≤12, where Dv50 represents a numerical value of a particle size measured at a cumulative volume of 50% in a volume-based particle size distribution of the anode material, and Dv99 represents a numerical value of a particle size measured at a cumulative volume of 99% in the volume-based particle size distribution of the anode material, wherein Dv50 and Dv99 are expressed in μm. The anode material is capable of significantly improving the rate performance of electrochemical devices.
Resumen de: AU2024404412A1
A container module is disclosed. The container module according to one embodiment of the present invention may comprise: a case providing an inner space and including a rear panel; a battery array, which is positioned inside the case and includes a plurality of battery packs stacked in the vertical direction; a cooling part for providing cooling air to the inside of the case; and a duct, which is positioned inside the case and allows the cooling part to communicate with the gap between the battery array and the rear panel.
Resumen de: AU2024322570A1
A method of purifying an alkaline electrolyte includes contacting the alkaline electrolyte with an aluminum compound to provide a purified alkaline electrolyte. The alkaline electrolyte includes a metal hydroxide, a compound comprising aluminum, silicon, or a combination thereof, and a solvent. The method can be particularly advantageous when used with a method of processing an iron-containing feedstock.
Resumen de: US20260081244A1
A cell module assembly includes battery cells and a controller. The controller is programmed to receive useful life data for a useful life indicator of the battery cells, save the life data to memory to create a life data history, determine a life measurement based on the life data history, compare the life measurement to a first end of life threshold, determine if the life measurement has met the first end of life threshold, provide a first end of life output indicating that the life measurement has met the first end of life threshold, compare the life measurement to a second end of life threshold, determine if the life measurement has met the second end of life threshold, and provide a second end of life output indicating that the life measurement has met the second end of life threshold.
Resumen de: US20260081239A1
A battery system includes a plurality of battery packs and a battery management system (BMS). The battery packs include a first battery pack and a second battery pack. The first battery pack includes a first plurality of battery cells, a first fuse, and first terminals. The second battery pack includes a second plurality of battery cells, a second fuse, second terminals, and a short circuit path extending between the second terminals. The second terminals are electrically connected in parallel with the first terminals. The BMS is configured to monitor operational parameters of the battery packs, detect a fault condition in at least one of the battery packs; and initiate a short circuit across the second terminals of the second battery pack via the short circuit path. The short circuit results in a current that causes the first fuse or second fuse to blow to electrically isolate the battery packs.
Resumen de: US20260081240A1
The present disclosure relates to a battery management method, a battery management apparatus, and an electronic device. The battery management method includes: acquiring a current power level of a battery for the electronic device when the electronic device receives a wake-up signal; determining an operation mode of the electronic device according to the current power level of the battery, wherein a maximum power in the determined operation mode is supportable by the current power level of the battery; and controlling the electronic device to operate in the determined operation mode.
Nº publicación: US20260081238A1 19/03/2026
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
Contemporary Amperex Technology Co., Limited
Resumen de: US20260081238A1
Embodiments of the present application provide a separator, a preparation method thereof, a secondary battery, and an electric apparatus. The separator includes a first base film, a coating, and a second base film, where the coating is disposed between the first base film and the second base film, the coating includes an ion-trapping agent, and a reduction potential of the ion-trapping agent relative to lithium metal is 0 V to 2 V. A secondary battery containing the separator exhibits improved cycling performance.