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1421
resultados
Última actualización
16/09/2025 [07:13:00]
Resumen de: FR3159937A1
L’invention concerne un procédé, mis en œuvre par un système de calculs (4) embarqué dans un véhicule électrique ou hybride, de correction d’un profil de courant électrique de charge (3) injecté en entrée d’une batterie électrique (2) du véhicule, le système de calculs (4) comprenant une mémoire (10) stockant un modèle électrothermique prédéfini (12), le modèle électrothermique prédéfini et la batterie électrique (2) fournissant chacun en sortie respectivement des premières et des secondes valeurs de tension électrique (18A, 18B) et de température (20A, 20B) ;le procédé comportant les étapes suivantes :- un calcul d’une erreur de tension (E1) et d’une erreur de température (E2) ;- un calcul d’un premier profil de courant électrique de charge (P1) et d’un second profil de courant électrique de charge (P2) ; et - une application en entrée de la batterie électrique (2) d’un profil de courant électrique de charge corrigé (P3). Figure 1
Resumen de: WO2025186236A1
The invention relates to a battery cell (1), in particular for a drive battery of a vehicle. The battery cell (3) comprises an electrode stack (2) and a housing (11) having an inner housing part (4) and an outer housing part (3) which at least partially surrounds the inner housing part (4). The electrode stack (2) is arranged in the inner housing part (4), the inner housing part (4) has at least one passive cooling element (5), and the outer housing part (3) can be deformed at least along a height direction of the electrode stack (2) and is correspondingly designed to be at least partially movable relative to the inner housing part (4). A connecting part (6) is provided via which the inner housing part (4) and the outer housing part (3) are connected to one another and are thereby in contact in such a way that thermal energy can be transferred from the inner housing part (4) to the outer housing part. The outer housing part (3) can be designed in particular as a bellows. The battery cell (1) is in particular a solid-state battery cell.
Resumen de: WO2025188494A1
Electrodes (10), electrochemical cells (20) having the electrodes, and methods (30, 40) of making electrodes are provided. The electrodes (10) include a current collector (200); an active material layer (100) having particles or fibers (101) of active material; and a nonconductive material (102) which partially covers (or passivates) the particles or fibers (101) of the active material layer (100). The electrical cells (20) having the electrodes (10) facilitate battery fabrication by minimizing or eliminating the need for the "formation step" that characterizes prior art battery processing. Aspects of the invention reduce the variation in a battery's performance, improve the yield of the manufacturing line, and/or enhance the stability and safety of batteries having the electrodes provided.
Resumen de: WO2025188227A1
The present invention relates to the field of electrolytes for lithium-ion batteries. In a first aspect, the present invention concerns a lithium-ion battery comprising a composite polymer electrolyte, wherein the composite polymer electrolyte comprises a lithium salt, a polymer, and γ- LiAlO2 particles, wherein the average particle size of the γ-LiAlO2 particles is at least 2 μm, and wherein the polymer is selected from a polyether, polycarbonate, polyketone, polyester, polynitrile, copolymers thereof and/or a combination thereof. In a second aspect, the present invention concerns a solution comprising a solvent, a lithium salt, a polymer, and γ-LiAlO2 particles; wherein the average particle size of the γ-LiAlO2 particles is at least 2 μm, and wherein the polymer is selected from a polyether, polycarbonate, polyketone, polyester, polynitrile, copolymers thereof and/or a combination thereof.
Resumen de: FR3160018A1
L’invention concerne un procédé de surveillance de la température de modules d’une batterie d’un véhicule automobile électrique ou hybride comportant une étape de mesure (E1) de la température par chaque capteur de température de chaque module ; une étape de détection (E2) d’un défaut lorsqu’au moins l’une des valeurs de température mesurée est inférieure à une valeur seuil minimale ou supérieure à une valeur seuil maximale ; une étape d’avertissement (E3) durant laquelle on procède à un avertissement du conducteur lorsqu’au moins l’un des modules présente un seul défaut ou durant laquelle on procède à une limitation de la puissance et à une demande d’autorisation de l’ouverture des contacteurs de la batterie lorsqu’au moins l’un des modules présente plusieurs défauts. Figure 1
Resumen de: WO2025186165A1
This invention provides oxide powders comprising coated particles that have: a lithium-metal composite oxide, in the form of primary or secondary particles, comprising at least lithium and nickel; a first layer comprising nickel (II) oxide on at least part of surface of the lithium-metal composite oxide; and a second layer comprising an oxide, including lithium and one or more selected from a group consisting of boron, phosphorus, and sulfur, on at least part of surface of the first layer, wherein the BET specific surface area is 0.3 m2/g or more, and the LiOH content is 0.35% by mass or less relative to the oxide powder. The positive electrode active materials for a nonaqueous electrolyte secondary battery comprising said coated particles ensure a better charging/discharging capacity and better cycle characteristics in the obtained nonaqueous electrolyte secondary battery, without gelation of the positive electrode active mix paste.
Resumen de: WO2025188400A1
Electrochemical cells are provided. An electrochemical cell may include a cell housing. The cell housing may include a cylindrical container having an interior radius and a closure. The electrochemical cell may further include a cathode positioned within the cylindrical container and defining a plurality of cylindrical openings therein, a cylindrical anode disposed within each opening of the plurality of cylindrical openings to form a plurality of anodes, a current collector extending into each anode of the plurality of anodes and electrically connecting each anode of the plurality of anodes with a negative terminal of the cell housing, and a separator disposed within each opening of the plurality of cylindrical openings and between each anode and the cathode. A relative anode distance parameter for the electrochemical cell may be between 0.4 and 0.8.
Resumen de: FR3160058A1
PROCEDE POUR OPTIMISER LE TAUX DE MASSE NOIRE RECUPEREE D’ELEMENTS DE BATTERIE Procédé pour récupérer la masse noire (BM1) d’un ensemble d’éléments de batterie (ENS1) constituants d’une ou d’une pluralité de batteries comprenant : Récupération d’un ensemble d’éléments de batterie (EB1, ENS1) ;Décharge électrique (DE1) des éléments de batterie (EB1) ;Broyage humide (BR1) des éléments de batterie (EB1) en présence d’un volume d’eau ;Premier séchage (SEC1) pour induire une désorption thermique des éléments de batterie broyés (EB2) à une température régulée comprise entre 90° et 120° ;Tamisage (TAM1) des éléments de batterie broyés (EB2) et séchés et extraction d’une première quantité de masse noire (BM1). Figure pour l’abrégé : Fig.5
Resumen de: FR3160063A1
Une méthode permettant d’améliorer la durée de vie en cyclage d’un élément électrochimique sodium-ion comprenant une électrode positive à base d’un oxyde de structure cristallographique O3. Cette méthode est fondée sur le blocage de la transformation de la structure cristallographique P3 en la structure cristallographique O3 après que la première transformation de la structure cristallographique O3 en la structure cristallographique P3, qui a lieu lors de la première charge de l’élément, se soit produite. Le maintien de la structure P3 est obtenu en tirant profit d’une part de la propriété de certains métaux de transition de favoriser la formation de la structure cristallographique P3 pour des états de charge proches de l’état complètement déchargé de l’élément et d’autre part du fait que l’irréversibilité créée par un excès d’électrode négative arrête plus tôt la sodiation de l’oxyde au cours de la décharge et ainsi bloque la transformation de la structure cristallographique P3 en la structure cristallographique O3. Figure d’abrégé : Figure 3
Resumen de: WO2025186062A1
The invention relates to a temperature control device, in particular for controlling the temperature of storage modules (10) for electrical energy, such as battery modules composed of cylindrical battery cells (14), having a throughflow body (24) which has a cavity (28) and through which a temperature control fluid can flow from an inlet (30) to an outlet (32). Said device is characterized in that the throughflow body (24) consists of a bellows body, in particular a bellows (26), the bellows folds (34) of which extend between two end parts (36) in such a way that the axial distance (X) between the end parts (36) can be varied in the context of a compensating movement. The invention further relates to a temperature control device and to an associated storage device.
Resumen de: FR3160060A1
L’invention concerne un assemblage (1), notamment pour un véhicule, comportant :- un support multifonction (10) configuré pour supporter au moins deux composants à fonction fluidique (21, 22), le support multifonction (10) comportant au moins un canal (11) de circulation de fluide caloporteur configuré pour être relié fluidiquement à un circuit de fluide caloporteur,- un boîtier (30) configuré pour recevoir une unité de contrôle électronique centralisée (31) des composants à fonction fluidique (21, 22), ledit boîtier (30) étant configuré pour pouvoir être assemblé avec le support multifonction (10),l’assemblage (1) étant caractérisé en ce qu’il comprend une paroi froide (40), ladite paroi froide (40) comprenant un passage (41) de circulation de fluide caloporteur, ledit passage (41) de circulation de fluide étant relié fluidiquement au canal (11) de circulation de fluide caloporteur, ladite paroi froide (40) étant configurée pour être en contact avec l’unité de contrôle électronique centralisée (31). Figure de l’abrégé : Figure 1
Resumen de: WO2025188361A2
Disclosed are compositions comprising a first component comprising an isocyanate-functional prepolymer; a second component comprising a polyurethane polyol; an aromatic diamine; and a filler in an amount of greater than 50% by weight to 88% by weight based on total weight of the composition. Also disclosed are methods for treating a substrate with any of the compositions disclosed herein. Also disclosed are substrates comprising a coating formed from any of the compositions disclosed herein on a substrate surface, and optionally a dielectric coating on the substrate surface. Also disclosed are systems and kits comprising a dielectric coating composition and any of the coating compositions disclosed herein.
Resumen de: WO2025186044A1
The present invention relates to a method, a control device (160), a battery device diagnostic device (170) and a computer program for determining a thermal runaway of a battery arrangement, and to a battery device (100) and a vehicle. The method according to the invention comprises receiving a thermal conductivity signal from a thermal conductivity sensor (140), receiving a presence signal from a pellistor (150), detecting a thermal runaway of the battery arrangement (120) if both the received thermal conductivity signal indicates a thermal conductivity of the gas mixture within the battery housing (110) which exceeds a predetermined thermal conductivity threshold value and the received presence signal indicates the presence of a combustible gas component in the gas mixture within the battery housing (110), and transmitting an error signal if a thermal runaway of the battery arrangement (120) has been determined, wherein the error signal is representative of a thermal runaway of the battery arrangement (120).
Resumen de: WO2025186050A1
The invention relates to a battery pack (100) comprising a plurality of battery cells; a battery pack control device (300) which preferably comprises a printed circuit board (301); at least one cell connector (114, 115) for electrically connecting the battery cells; a first and second cell holder (101, 102), said first and second cell holder (101, 102) each forming a first and second receiving space (108, 109) for a first end region (201) and a second end region (202), which lies opposite the first end region, of each battery cell; a casing element (103) which surrounds the entire outer circumference of the battery cells preferably without a gap, said casing element (103) having a first end region (104) and bridging the distance (118) between the first and second cell holder (101, 102) when viewed in the longitudinal direction of the battery cells; and first connection means (106) and optionally second connection means (107), which can be designed as snap connections, in the region of the first cell holder (101) and the second cell holder (102), respectively, and in the region of the first end region (104) and the second end region (105) of the casing element (103), respectively.
Resumen de: WO2025186273A1
The invention relates to a method for recovering the black mass (BM1) from a set of battery elements (ENS1) making up one or a plurality of batteries, the method comprising: ■ retrieving a set of battery elements (EB1, ENS1); ■ electrically discharging (DE1) the battery elements (EB1); ■ wet grinding (BR1) the battery elements (EB1) in the presence of a volume of water; ■ first drying step (SEC1) in order to induce thermal desorption of the crushed battery elements (EB2) at a controlled temperature ranging from 90° to 120°; ■ sieving (TAM1) the crushed, dried battery elements (EB2) and extracting a first amount of black mass (BM1).
Resumen de: WO2025186518A1
The present invention relates to an electrical storage device (1) comprising two adjacent electrical storage electrochemical cells (3), a cooling plate (5) for cooling the two electrochemical cells (3), a dielectric liquid (7), a cooling circuit (6) for cooling the electrochemical cells via this dielectric liquid (7), wherein the electrochemical cells (3) and the cooling plate (5) are partially submerged in this dielectric liquid (7), characterised in that the cooling plate (5) comprises a heat pipe (9) that comprises a working fluid, a portion referred to as the condenser (9a) arranged in the submerged portion of the cooling plate (5) and a portion referred to as the evaporator (9b) arranged in the emerged portion of the cooling plate (5).
Resumen de: WO2025186146A1
Disclosed a method for treating sulfate in an industrial process, the method comprising the steps of: a) contacting a first solution containing metal sulfate, preferably transition metal sulfate, with a second solution containing potassium hydroxide, whereby obtaining: a. a first precipitated material comprising metal hydroxide and b. a third solution containing potassium sulfate; b) recovering the third solution; c) providing a salting-out agent, preferably containing at least one of a source of potassium hydroxide and a source of ammonia; d) adding the salting-out agent to and mixing with the third solution, whereby obtaining: a. a second precipitated material comprising potassium sulfate and b. a fourth solution containing the salting-out agent; and e) recovering the second precipitated material and the fourth solution.
Resumen de: FR3160062A1
Procédé de prétraitement d’une anode pour cellule électrochimique de batterie électrique, comprenant les étapes suivantes : a) fournir une anode, b) placer l’anode en présence d’un gaz de fluorure de sulfuryle (SO2F2) jusqu’à formation d’une couche comprenant les groupements -F et -SO2F en surface de l’anode, c) retirer le gaz de SO2F2 pour stopper la réaction entre le SO2F2 et le matériau de l’anode, et d) récupérer l’anode prétraitée obtenue.
Resumen de: WO2025184953A1
A positive electrode material, a preparation method therefor, and a lithium-ion battery. The composition of the positive electrode material is Li1+a(NixCoyMnzGb)TcO2, where 0.02 ≤ a ≤ 0.1, 0.6 ≤ x ≤ 1, 0 < y ≤ 0.5, 0 < z ≤ 0.5, 0 < b ≤ 0.02, and 0< c ≤ 0.02. At 45°C as measured by XRD, the (003) characteristic peak before and after 80 cycles satisfies 0°≤ △P = Pbefore - Pafter ≤ 0.2°, where Pbefore is the peak position of the (003) characteristic peak before cycling, and Pafter is the peak position of the (003) characteristic peak after 80 cycles. The positive electrode material has high particle strength and excellent crystal structure stability, resulting in a significant improvement in the cycling performance of the positive electrode material.
Resumen de: WO2025186116A1
The present invention refers to a plant for recycling lithium ion battery material, comprising a battery material processing facility (100) and a gas incineration facility (200), wherein the battery material processing facility (100) comprises a monitoring unit (120) configured to provide a data signal with information about a current off-gas outflow, and the gas incineration facility (200) comprises at least a combustion chamber (210) with a flare (211), at least one off-gas supply line (231, 232), at least one heating gas supply line, at least one combustion-promoting gas supply (213), and a control unit (220) configured to capture the data signal provided by the monitoring unit (120) and to adjust setting parameters for combustion in the combustion chamber (210) depending on the information contained in the captured data signal.
Resumen de: WO2025185804A1
Provided is a battery module, comprising a housing (10), wherein at least one opening (11) is provided, forming a fluid connection between an inside of the housing and an outside of the housing; a plurality of battery cells (20) arranged in the housing; a tempering fluid included in the housing; a flexible plate (30) arranged on an outside surface of the housing and liquid-tightly covering the at least one opening, wherein the flexible plate is formed of a flexible material allowing for the tempering fluid to expand into a first space (S1) between the outside surface and the flexible plate, and the flexible plate exhibits, in an unstressed state, a corrugated shape.
Resumen de: WO2025185058A1
Disclosed in the present application are a case, a battery and an electric device. The case comprises a heat exchange assembly, electrical connection assemblies and sealing assemblies. The heat exchange assembly comprises a first heat exchange plate and a second heat exchange plate, which are arranged in a stacked manner, wherein a heat exchange flow channel is provided between the first heat exchange plate and the second heat exchange plate, and the heat exchange flow channel is configured to exchange heat with battery cells. The electrical connection assemblies are connected to the heat exchange assembly, and are configured to be electrically connected to the battery cells. The sealing assemblies are arranged in the circumferential direction of each electrical connection assembly, and penetrate in the direction of the thickness of the heat exchange assembly and are connected to the first heat exchange plate and the second heat exchange plate. The sealing assemblies are arranged around the electrical connection assemblies, such that the connection strength of the heat exchange assembly near the electrical connection assemblies can be improved, the sealing performance of the heat exchange assembly is improved, and thus the operational stability of the battery is improved.
Resumen de: WO2025185070A1
An electrode sheet (7), a battery cell (5), a battery, and an electric device (6). The electrode sheet (7) comprises a composite current collector (72) and an electrode film layer (71) provided on at least one side of the composite current collector (72), the composite current collector (72) comprises a support layer (721) and a conductive composite layer (722) stacked on at least one side of the support layer (721), the conductive composite layer (722) comprises a metal layer, the surface of the conductive composite layer (722) facing the electrode film layer (71) on the same side is provided with a plurality of first recessed portions (723), the electrode film layer (71) comprises an electrode active material, and at least some of the first recessed portions (723) are embedded with an electrode active material. Applying the electrode sheet (7) to a battery can improve the cycle performance of the battery.
Resumen de: WO2025185073A1
A battery cell, a battery unit, a battery pack, and an electric device, relating to the technical field of batteries. The battery cell comprises a casing assembly (1), a bare cell (2), and poles (3). The bare cell (2) is arranged inside the casing assembly (1). The poles (3) are arranged on the casing assembly (1). The poles (3) are electrically connected to tabs (20) of the bare cell (2). Each pole (3) comprises a first connecting part (30) and a second connecting part (31) which are connected to each other. When projected along an arrangement direction of the bare cell (2) and the poles (3), the projection area of the first connecting part (30) and the projection area of the second connecting part (31) do not overlap. The first connecting part (30) is welded to the corresponding tab (20) of the bare cell (2). The second connecting part (31) is welded to a busbar. The technical solution can increase the space utilization rate of a battery cell and improves the energy density of the battery cell.
Nº publicación: WO2025185054A1 12/09/2025
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
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Resumen de: WO2025185054A1
A battery (10) and an electric device. The battery (10) comprises: a case (100) having a wall portion (110), wherein the wall portion (110) comprises a heat exchange plate (111) and a cover plate (112), which are stacked in a first direction, through holes passing through the heat exchange plate (111) and the cover plate (112) are provided in the wall portion (110), and the first direction is parallel to the direction of thickness of the wall portion (110); a battery cell (200) accommodated in the case (100); a power distribution assembly (300), which comprises a power distribution box (310) and connection terminals (320), wherein the connection terminals (320) are inserted into the through holes and are connected to the power distribution box (310) and the battery cell (200); and a sealing assembly (400), which is located between the heat exchange plate (111) and the cover plate (112) and is configured to seal the through holes. The battery (10) has a relatively good sealing effect, and the probability of a leakage of a chemical component inside the battery (10) can be reduced.
BOPI
Sede Electrónica
