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1121
resultados
Última actualización
23/04/2026 [07:21:00]
Resumen de: FR3167479A1
L’invention concerne un dispositif pour la thermorégulation de batterie (1) de véhicule électrique ou hybride et un procédé mettant en œuvre le dispositif. Le dispositif comporte :- une cellule de batterie (10) ;- un pulvérisateur (20) configuré pour pulvériser un fluide sur la cellule de batterie (10), le pulvérisateur (20) étant raccordé à un circuit de fluide (10) comprenant un premier raccord et un deuxième raccord, le circuit de fluide (10) comprenant un capteur de pression configuré pour mesurer la pression du fluide dans le circuit de fluide (10), le premier raccord comprenant un filtre, le deuxième raccord comprenant une vanne configurée pour être dans un état fermé et pour être dans un état ouvert, la vanne étant par défaut dans l’état fermé. Figure 1
Resumen de: FR3167437A1
Titre de l’invention : Connecteur pour la circulation en fluide caloporteur d’un dispositif de régulation thermique La présente invention concerne un connecteur (14) pour la circulation en fluide caloporteur d’un dispositif de régulation thermique (1) d’organes de stockage d’énergie électrique (3), comprenant un premier conduit (28) de circulation de fluide caloporteur et un deuxième conduit (30) de circulation de fluide caloporteur disposé autour du premier conduit (28), le premier conduit (28) présentant une encoche (42) et le deuxième conduit (30) présentant une première fente (44) et une deuxième fente (46), le connecteur (14) comprenant un moyen d’obstruction partielle (36) partielle du deuxième conduit (30), l’encoche (42) du premier conduit (28) et la première fente (44) du deuxième conduit (30) communiquant via un corps creux du moyen d’obstruction partielle (36). Figure de l’abrégé : Figure 2
Resumen de: FR3167478A1
L’invention concerne un dispositif (100) pour le refroidissement d’une batterie d’un véhicule électrique ou hybride et un procédé mettant en œuvre le dispositif (100). Le dispositif (100) comprend un réservoir (110) comportant un conteneur (111). Le dispositif (100) comprend par ailleurs un circuit caloporteur (120) comportant une partie du circuit caloporteur (130) passant par le conteneur et un échangeur de chaleur (170). Le circuit caloporteur (120) comprend deux vannes (161, 162) configurées pour basculer dans un état ouvert ou un état fermé de manière à fournir un fluide caloporteur à la batterie (200) à une température comprise dans un intervalle de valeurs de température prédéterminées. Figure 3
Resumen de: FR3167310A1
Batterie de traction de véhicule automobile électrique ou hybride, comportant un bac fermé contenant des cellules électrochimiques (30), et sur ce bac des emplacements d’ouverture permettant d'injecter une eau de refroidissement, le bac présentant des formes extérieures particulières (16) constituant un marquage désignant les emplacements d’ouverture prévus pour être percés, chaque emplacement d’ouverture étant disposé en face d’une zone intérieure de ce bac (34) qui est libre de cellules électrochimiques (30). Figure 2
Resumen de: FR3167482A1
Ensemble de détection d’échauffement d’une batterie de traction d’un véhicule électrique et procédé de détection d’échauffement mis en œuvre par un tel ensemble. L’invention concerne un ensemble (1) de détection d’échauffement d’une batterie de traction d’un véhicule électrique (3), comprenant :- un dispositif d’acquisition de données (7) représentatives de températures d’une batterie de traction, comprenant un boîtier (9) présentant une résistance à l’écrasement supérieure à une tonne agencé sur un sol (11) et une caméra thermique montée dans ledit boîtier pour acquérir des données d’images thermiques de ladite batterie,- un contrôleur, adapté pour collecter lesdites données,- une centrale de supervision (15), pour récupérer lesdites données, programmée pour envoyer un signal (17) de déclenchement d’alerte lorsque lesdites données sont représentatives d’une élévation de la température de ladite batterie au-delà d’une valeur seuil ou d’une différence de température dans un intervalle de temps supérieure à une valeur seuil. Figure 1
Resumen de: FR3167480A1
L'invention concerne un procédé de fabrication par voie sèche d’électrodes (90) pour des cellules d’une batterie, le procédé de fabrication étant caractérisé en ce qu’il comprend au moins : (i) une étape de découpage de bordures latérales (51) d’un film (50) de matériau actif d’électrode de manière à obtenir un film prédécoupé (60) de largeur prédéterminée mesurée entre ses bordures latérales (51) ; (ii) une étape de découpage du film prédécoupé (60) de matériau actif d’électrode de sorte à diviser le film prédécoupé (60) en une pluralité de bandes découpées (70) de matériau actif d’électrode, chacune desdites bandes découpées (70) de matériau actif d’électrode étant configurée pour équiper une ou deux électrodes (90), la largeur prédéterminée du film prédécoupé (60) étant égale à la somme des largeurs de chacune des bandes découpées (70) dans le film prédécoupé (60) ; (iii) une étape de laminage d’au moins une bande découpée (70) de matériau actif d’électrode de la pluralité de bandes découpées (70) sur au moins une face d’un feuillard collecteur de courant (75), pour former une bande d’électrode laminée (80). (Fig. 1)
Resumen de: FR3167348A1
L’invention concerne un procédé de thermorégulation d’une batterie de véhicule électrique ou hybride. La batterie comprend une sonde de température. Le procédé comprend les étapes suivantes pour un cycle de tension alternée :- une étape de mesure (E1) de la température de la batterie par la sonde de température ;- une première étape (E2) et une deuxième étape (E3) de mise en tension de la batterie respectivement à une première valeur de tension électrique et à une deuxième valeur de tension électrique respectivement pendant une première durée prédéterminée et pendant une deuxième durée prédéterminée respectivement comprises pendant le cycle de tension alternée lorsque la valeur de température mesurée est inférieure à une valeur de température prédéterminée.Ainsi, la batterie peut être réchauffée. Figure 1
Resumen de: US20260106328A1
Provided is a composition for an electrochemical device functional layer with which it is possible to form a functional layer that has excellent wet adhesiveness and that is capable of good inhibition of metal deposition on an electrode during charging and discharging and swelling of an electrochemical device. The composition for an electrochemical device functional layer contains a particulate polymer including a structural unit that includes a group having an aromatic ring where at least one hydrogen atom is substituted with a hydroxy group.
Resumen de: US20260103116A1
The present disclosure relates to a method of counteracting degradation of a fuel cell system of a vehicle. A processor device is used for performing the method. The processor device estimates standstill average power needs of the vehicle by estimating the average power that the vehicle will consume during a predetermined time period during which the vehicle will be at a standstill. An idling power extractable from the fuel cell system is determined. The idling power is compared with the estimated standstill average power needs. Based on the comparison, a duration for which the fuel cell system should be kept turned on to fulfil the estimated standstill average power needs is determined. The fuel cell system is controlled to be kept turned on for the determined duration.
Resumen de: US20260106200A1
Systems, techniques, and computer-implemented processes for acoustic signal based improvements to one or more process steps in the manufacture of battery cells. Information gathered based on an acoustic signal based analysis in one process step can be used in one or more other process steps using any suitable combination of feedback and/or feedforward of the acoustic signal based analysis. Such feedback and/or feedforward can improve the overall quality of battery cells produced using the manufacturing process, efficiency/cost of the manufacturing process, improvement in yield/reduction in wastage of the battery cells produced using the manufacturing process and/or improvements in individual process steps.
Resumen de: US20260103396A1
0000 A process and method for producing a crystallized metal sulfate. The crystallized metal sulfate may be battery-grade. The method may comprise receiving a metal ion-containing stream and crystalizing a metal sulfate from the stream. The process may comprise receiving a stream from a metal processing plant, and crystalizing a metal sulfate from the stream. The process may be a metal electrowinning process comprising crystalizing a metal ion-containing stream to form a crystallized metal sulfate in a mother liquor. The process or method may comprise returning the mother liquor upstream or to the metal electrowinning process.
Resumen de: US20260106302A1
A battery holding and dispensing device can hold a plurality of batteries, in a single battery size or an assortment of battery sizes. The battery holding and dispensing device includes a frame having a plurality of compartments sized and shaped to each receive a battery of a particular battery size and each having a magnetic insert for releasably retaining the battery in the compartment. A system is disclosed for inductive charging of batteries held in a caddy.
Resumen de: WO2026077196A1
The present application relates to a method for controlling the temperature of a battery pack of an electric vehicle and a control system thereof. The control method comprises the following steps: an external temperature control device acquires the state of a battery pack from a charging device, the state of the battery pack comprising a charging state; if the battery pack is in the charging state, controlling an inlet temperature of a coolant entering the battery pack from the external temperature control device to be a first target inlet temperature and controlling the flow rate of the coolant to be a first preset flow rate; after the coolant has been inputted into the battery pack for a first preset duration, acquiring a first outlet temperature of the coolant; and on the basis of the first outlet temperature of the coolant and a target outlet temperature threshold of the coolant, controlling the flow rate of the coolant and/or the inlet temperature of the coolant. According to the method for controlling the temperature of a battery pack of an electric vehicle provided in the present application, an external temperature control device is used to perform temperature control on a battery pack of an electric vehicle, and no additional battery pack cooling system needs to be added to the electric vehicle, thereby preventing the weight and costs of the electric vehicle from increasing.
Resumen de: WO2026077090A1
To overcome the problem that existing lithium-ion batteries have difficulty considering both high-temperature performance and low-temperature performance, a lithium-ion battery is provided. The lithium-ion battery comprises a positive electrode, a negative electrode, and a non-aqueous electrolyte. The negative electrode comprises a negative electrode material layer containing a negative electrode material. The non-aqueous electrolyte comprises a non-aqueous organic solvent, a lithium salt, and an additive, the additive comprising vinylene carbonate, lithium difluorophosphate, and ethylene sulfate. The lithium-ion battery satisfies the following conditions: 0.08≤D×A/X≤8, 0.25≤D≤0.9, 0.1≤X≤2.5, and 0.3≤A≤2. D is the D50/D90 ratio of the negative electrode material. X is the mass content ratio of vinylene carbonate to lithium difluorophosphate in the non-aqueous electrolyte. A is the sum of the mass fractions of vinylene carbonate, ethylene sulfate, and lithium difluorophosphate in the non-aqueous electrolyte, the unit being wt%. The lithium-ion battery exhibits better performance under both high-temperature conditions and low-temperature conditions.
Resumen de: WO2026077190A1
The present application relates to the technical field of new energy batteries, and discloses a battery apparatus and a battery pack. According to the battery apparatus, the pin order of an output terminal is consistent with the pin order of a port of a battery management assembly, which facilitates the electrical connection between the output terminal of the battery apparatus and the port of the battery management assembly, and enhances the structural strength of the output terminal, facilitating an insertion operation between the output terminal and the port of the battery management assembly. The battery apparatus of the present application comprises a main wiring harness, an output terminal, and an adapter circuit board. A plurality of wires are arranged within the main wiring harness. The output terminal is arranged at at least one end of the main wiring harness, and the output terminal is directly electrically connected to a battery management assembly. The adapter circuit board is arranged between the main wiring harness and the output terminal. A signal input port of the adapter circuit board is electrically connected to the main wiring harness. A signal output port is electrically connected to the output terminal. An output branch is arranged between the adapter circuit board and the output terminal. The ratio of the thickness of the adapter circuit board to the length of the output branch along the extension direction of the output branch ranges from 0.003 to 0.06.
Resumen de: AU2024388708A1
A battery pack (1000) and an electric device (2000). The battery pack (1000) comprises: a battery management system (10); a plurality of battery modules (20); a circuit board (30); and a connector assembly (40), wherein the plurality of circuit boards (30) are sequentially connected in series to form a circuit board string, and the circuit board string is connected to the battery management system (10) so as to transmit working condition data of battery cells (22) in the battery modules (20) to the battery management system (10).
Resumen de: US20260106306A1
0000 Provided is a battery module comprising: a plurality of sub-modules arranged along a first direction; one or more connecting members disposed between the plurality of sub-modules, wherein at least one of the plurality of sub-modules is disposed along the first direction; and a housing having an internal space in which the plurality of cell stacks are accommodated, wherein the plurality of cell stacks each include a plurality of battery cells stacked in a second direction perpendicular to the first direction.
Resumen de: US20260106310A1
Disclosed is a battery cell capable of reinforcing safety of an electrode tab and controlling an internal pressure of the battery cell, and a battery module, a battery pack and a vehicle including the same. The battery cell includes an electrode assembly including a cell body and an electrode tab coupled to at least one side of the cell body, a cell case configured to accommodate the electrode assembly therein, an electrode lead coupled to the electrode tab and extending from the cell case, a tab protection module accommodated in the cell case and configured to cover at least a portion of the electrode tab, and a venting module coupled to the tab protection module and configured discharge a venting gas out of the cell case.
Resumen de: US20260103395A1
Various lithium cobalt oxides materials having a chemical formula of Lix Coy Oz, and method and apparatus of producing the various lithium cobalt oxides materials are provided. The method includes adjusting a molar ratio MLiSalt:MCoSalt of a lithium-containing salt, and a cobalt-containing salt within a liquid mixture to be equivalent to a ratio of x:y, drying a mist of the liquid mixture in the presence of a gas to form a gas-solid mixture, separating the gas-solid mixture into one or more solid particles of an oxide material, and annealing the solid particles of the oxide material in the presence of another gas flow to obtain crystalized particles of the lithium cobalt oxide material. The process system has a mist generator, a drying chamber, one or more gas-solid separator, and one or more reactors.
Resumen de: WO2026076928A1
The present invention provides an integrated silicon-carbon composite negative electrode material and a preparation method therefor. The integrated silicon-carbon composite negative electrode material comprises a carbon-based material matrix, a silicon-carbon composite layer distributed on the surface of the matrix, and an amorphous carbon layer covering the surface of the silicon-carbon composite layer. In the present invention, first vapor deposition is performed, and halogen gas is used to perform heat treatment for conversion so as to form a porous carbon layer having high thickness uniformity, and then amorphous silicon is deposited into pores by means of second vapor deposition. The integrated material prepared by means of the method uses a silicon lattice of silicon carbide to generate pores, thereby solving the problems of non-uniformity and poor stability in the current porous carbon activation process. There is certain bonding at the interface between the porous carbon and graphite, which facilitates connection of a silicon-carbon negative electrode with the surface of the graphite during expansion without detachment.
Resumen de: WO2026077039A1
The present application relates to the technical field of batteries, and in particular to a battery cell and a battery pack. The battery cell comprises: a casing. A cover plate is welded and connected to the casing to form a weld portion between the casing and the cover plate, and the projected area of the weld portion on the cross section of the casing perpendicular to the depth direction of the casing is S1. A boss portion extending into the casing is formed on the cover plate, and the area enclosed by the outer periphery of the boss portion is S2. The tensile strength of the cover plate is U, (I). According to the present application, by limiting the relationship between S1, S2, and U to satisfy (I), the welding strength between the casing and the cover plate is ensured, and the weld portion is prevented from cracking, thereby ensuring the airtightness of the battery cell, ensuring the use safety of the battery cell, and improving the safety of the battery pack.
Resumen de: WO2026076966A1
The present application relates to the technical field of batteries. Disclosed are a battery module and a battery pack. The battery module comprises: battery cells provided with pressure relief valves; and wire harness boards, which form slit portions, the projection of each slit portion facing a first surface at least partially overlapping with each pressure relief valve. The dimensions of residual portions are defined as a; and in the direction of width of the slit portions, the width of the slit portions is defined as b , and the dimensions of the pressure relief valves are defined as c, wherein a, b and c satisfy: c>b, and 0.01≤b/a≤12. In the battery module provided in the present application, by means of defining the range of the ratio of the width b of the slit portions to the dimensions a of the residual portions, when the ratio is excessively large, it indicates that the slit portions are excessively wide and the residual portions are excessively short, making a pressure relief piece easily fly out; and when the ratio is excessively small, it indicates that the slit portions are excessively narrow and the residual portions are excessively long, thereby being unfavorable for the diffusion of a high-temperature media.
Resumen de: US20260106320A1
0000 A ceramic composite separator and a method of preparing the ceramic composite separator are provided. The ceramic composite separator includes a polymeric scaffold and a coating including a plurality of ceramic particles, wherein a portion of the plurality of ceramic particles is disposed in the polymeric scaffold. The method of preparing the ceramic composite separator includes providing a polymeric scaffold, forming a coating comprising a plurality of ceramic particles on the polymeric scaffold, and consolidating the coating on the polymeric scaffold to form the ceramic composite separator that includes the consolidated coating on the polymeric scaffold.
Resumen de: US20260106326A1
0000 Provided are a core cell stack assembly and a stacking method therefor, and a battery. The core cell stack assembly includes a positive electrode sheet, a negative electrode sheet, and a separator located between the positive electrode sheet and the negative electrode sheet in a thickness direction of the core cell stack assembly. An edge of the separator is flush with an edge of the negative electrode sheet and extends beyond an edge of the positive electrode sheet on at least one end of each of the positive electrode sheet, the negative electrode sheet, and the separator.
Nº publicación: US20260106240A1 16/04/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
Resumen de: US20260106240A1
A battery management apparatus includes: a profile generating unit configured to obtain a battery profile representing a correspondence between voltage and capacity of a battery and generate a differential profile representing a correspondence between a differential voltage for the capacity of the battery and the capacity or a correspondence between a differential capacity for the voltage of the battery and the voltage based on the obtained battery profile; and a control unit configured to receive the generated differential profile from the profile generating unit, determine a target peak included in the received differential profile according to a rule corresponding to a type of the received differential profile, and determine a state of the battery based on a behavior change of the target peak with respect to a reference peak preset to correspond to the type of the received differential profile.
BOPI
Sede Electrónica
