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1435
resultados
Última actualización
23/09/2025 [07:27:00]
Resultados 625 a 650 de 1435
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: 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: 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: 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: 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: WO2025188195A1
There is disclosed a solid state separator for battery, the solid state separator comprising: - a first layer including a pre-lithiated or pre-sodiated polyphenylene sulfide (PPS) cellulose nanofibre (CelNF) composite free-standing film; - a second layer including a porous polyolefin film; and - a third layer including a ceramic nanolayer provided in-between the first and second layers There is also disclosed a battery including such a separator as well as methods and a system for production their production.
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: 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: 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: 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: 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: 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: 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: WO2025186659A1
A method for making electrochemical cells comprises arranging first foils (100) of a first electrode precursor coplanar to each other and according to a matrix pattern with N rows and M columns, arranging second foils (110) of a second electrode precursor coplanar to each other and according to a matrix pattern with N rows and M columns, arranging, as coplanar to each other, first separator sheets (120) arranged according to a matrix pattern with N rows and M columns, arranging, as coplanar to each other, second separator sheets (130) arranged according to a matrix pattern with N rows and M columns, stacking the first separator sheets (120), the first foils (100), the second separator sheets (130) and the second foils (110) with each other to make an N*M number of stacking groups (140) arranged according to a matrix pattern with N rows and M columns wherein each stacking group (140) comprises at least a first separator sheet (120), a first foil (110), a second separator sheet (130) and a second foil (100) at least partially overlapping on each other.
Resumen de: WO2025189024A1
A high temperature rechargeable lithium-ion battery featuring a nonflammable electrolyte composed of a thermally and electrochemically stable ionic liquid, a lithium conducting salt, and a cathode film forming additive. The battery includes a cathode and an anode and is capable of operating at temperatures up to 100°C and beyond. The ionic liquid may include a phosphonium ionic liquid, and the lithium conducting salt can be selected from various compounds such as lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) and others. Additionally, the cathode film forming additive may comprise lithium difluoro(oxalato)borate (LiDFOB). The cathode may be composed of LiNixMnyCozO2, and the anode may include Li4Ti5O12 (LTO). The battery is also operable at temperatures up to 125°C.
Resumen de: WO2025188700A1
There is herein provided a vent assembly comprising a membrane (4) and a vent stack, the vent stack comprising an adhesive layer (2), wherein the vent stack is configured to fail during use when the pressure differential across the vent assembly when the vent assembly is installed across an aperture defined in a battery housing is greater than a threshold pressure, wherein the threshold pressure is at least 5 kPa.
Resumen de: WO2025188859A1
The disclosure is directed to a battery cell including halo-substituted alkyl electrolyte solvent compounds for use in battery cells such as lithium-ion (Li-ion) battery cells.
Resumen de: WO2025186733A1
An assembly (10) for supporting and covering battery components comprises a support frame with a plurality of uprights (12) having an outer top cylindrical surface (24) and a battery cover (14) with a plurality of holes (16a) for the uprights (12) to pass. The upright (12) is associated with an upper fixing plate (26) external to the cover (14) and a washer gasket (30) and a backlash recovery ring (28), having a relative hole (16b, 16c, 16d) through which the upright (12) passes. A plurality of fixing means (32) clamps the upper fixing plate (26), the battery cover (14), the washer gasket (30) and the backlash recovery ring (28), compressing the washer gasket (30). At least one sealing ring (34, 36) accommodated into the backlash recovery ring (28) is acting as a seal against the cylindrical surface (24).
Resumen de: WO2025188737A1
Thermally conductive compositions include: an isocyanate component containing: one or more blocked isocyanates; one or more aliphatic epoxy resins; and one or more epoxy silanes; an isocyanate-reactive component containing: one or more polyamines; and one or more thermally conductive fillers present in one or more of the isocyanate component and the isocyanate-reactive component; wherein the thermally conductive composition has a thermal conductivity of greater than 0.5 W/m.K. Methods of using thermally conductive compositions include combining the isocyanate component and the isocyanate-reactive component; and emplacing the thermally conductive composition between a heat source and a heat sink in an EV battery.
Resumen de: WO2025186645A1
An electrochemical structural battery pouch cell (1) comprising a core (2) developing along a main plane (1a) and including a plurality of walls (3) developing perpendicularly to the main plane (1a) along respective development trajectories (3a) defined on the main plane (1a) and formed such that the coupling of the walls (3) realizes a structure having a honeycomb cross-section on the main plane (1a), each of the walls (3) defining a profile (4), on a section plane (1b) perpendicular to the main plane (1a) and the development trajectories (3a), including at least a first layer (40) made of aluminum or its alloy, a second layer (41) made of aluminum or its alloy, a first separation layer (42) arranged between the first and second layers (40, 41) and including insulating material, and welding means (43) arranged at opposite ends, relative to the main plane (1a), of the first and second layers (40, 41) so as to close the first separation layer (42) between layers (40, 41) and welding means (43); in which the first layer (40) is coated with a first electrode (40a) of your choice between an anode and a cathode, and the second layer (41) is coated with a second electrode (41a) of your choice between an anode and a cathode so that the layers (40, 41) each simultaneously realize a collector and a barrier with respect to the environment outside the cell (1).
Nº publicación: WO2025188255A1 12/09/2025
Solicitante:
ELOC8 S R O [SK]
ELOC8, S.R.O
Resumen de: WO2025188255A1
The early detection system of thermal runaway from a battery, containing an air cargo (1) with a detected battery (11), a gas concentration sensor (2) and/or a temperature sensor (3), microcontroller unit (4) with an advanced machine learning algorithm, wireless communication (5), an alarm (6) and a cloud storage (7) with a database, using Internet of Things technology, characterized in that the microcontroller unit (4) with an advanced machine learning algorithm, located within the range of the detected battery (11) air cargo (1) is connected to at least one gas concentration sensor (2) and/or at least one temperature sensor (3), wherein the microcontroller unit (4) with an advanced machine learning algorithm is connected by wireless communication (5) to the alarm (6) and a cloud storage (7) with a database.
BOPI
Sede Electrónica
