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658
resultados
Última actualización
04/01/2026 [07:05:00]
Resumen de: FR3164068A1
La présente invention a pour objet une batterie (10) comprenant une branche (B) et une pluralité d’unités de capacité (12a-12d) interposées en séries dans la branche, chaque unité de capacité comportant une voie principale (16p) et une voie auxiliaire (16s) montées en parallèle et équipées chacune d’un interrupteur (24p, 24s) ;la batterie comportant pour chaque unité de capacité une carte électronique (26a-26d) incluant une unité de commande (27a-27b) des interrupteurs et une circuiterie de mesure (28a-28d) incluant pour chaque cellule associée : - un amplificateur différentiel (30) doté d’une entrée reliée à la borne positive de cellule et d’une entrée reliée à la borne négative de cellule, et - deux sources de courant pilotable (32u, 32g) pour tirer le potentiel de la cellule vers la valeur positive en tension ou vers la masse. Figure pour l'abrégé : Fig. 7
Resumen de: FR3164071A1
La présente invention a pour objet une batterie (10) comprenant une branche (B) et une pluralité d’unités de capacité (12a-12b) interposées en séries dans la branche, chaque unité de capacité comportant une voie principale (16p) et une voie auxiliaire (16s) montées en parallèle, au moins une cellule (14) interposée dans la voie principale, un premier interrupteur (24p) interposé dans la voie principale et un deuxième interrupteur (24s) interposé dans la voie auxiliaire ; la batterie comportant pour chaque unité de capacité (12a-12b) une carte électronique (26a-26b) pour piloter sélectivement l’ouverture et la fermeture de chacun des interrupteurs (24p, 24s), dont au moins une est alimentée suivant une logique de redondance par prélèvement de courant (ia, ib) sur ladite au moins une cellule (14) d’au moins deux unités de capacité (12a,12b), l’un des courants (ia) étant converti par un convertisseur DC/DC (44) pour le rendre compatible avec l’autre (ib). Figure pour l'abrégé : Fig.8
Resumen de: FR3163970A1
Procédé de détection d'une anomalie de fonctionnement d'une pompe à eau et de reconfiguration d'un groupe électromoteur, dans un véhicule automobile électrique ou hybride comprenant un circuit caloporteur (CC1) de la batterie de traction (1), le circuit caloporteur comprenant une pompe de circulation pour faire circuler du fluide caloporteur dans un échangeur (11) au niveau de batterie de traction, le procédé comprenant :1- une étape d’identification d’une défaillance de la pompe à eau (3) du circuit caloporteur (CC1) de la batterie de traction,2- couper un sous-ensemble de consommateurs électriques non essentiels à la mobilité,3- mettre la batterie de traction en mode de limitation de performance,4- inhiber la recharge électrique de la batterie de traction à une borne de recharge, 5- fournir une indication à au moins un utilisateur du véhicule à propos d’un dysfonctionnement du véhicule. Figure 1
Resumen de: FR3164034A1
L’invention a pour objet un ensemble (500) comportant une pluralité d'installations (501), chaque installation comportant un pilier (2), les piliers étant notamment disposés suivant au moins une rangée, l’un au moins des piliers loge un ou plusieurs modules de centre de calcul et/ou de données (300) et un autre au moins des piliers loge un ou plusieurs modules de batterie (43), le ou les modules de centre de calcul et/ou de données (300) étant reliés au(x) module(s) de batterie pour être alimentés électriquement, et chaque pilier étant notamment pourvu d’un circuit de fluide caloporteur (310) configuré pour refroidir le ou les modules de centre de calcul et/ou de données (300), ce fluide caloporteur étant notamment de l’eau récupérée telle que de l’eau de pluie. Figure pour l’abrégé : Fig. 22
Resumen de: FR3164061A1
La présente divulgation concerne un dispositif de gestion thermique (200) pour batterie électrique, le dispositif de gestion thermique comprenant une structure (202) réalisée dans un matériau compressible comprenant un ou plusieurs logements (204) aménagé(s) dans au moins une surface de ladite structure, et dans lequel dans chaque logement est rempli d’un isolant (205), ledit isolant présentant une isolation thermique supérieure à l’isolation thermique du matériau de ladite structure. Figure de l’abrégé : Figure 2
Resumen de: FR3164069A1
La présente invention a pour objet une batterie (10) comprenant une branche (B) et une pluralité d’unités de capacité (12a-12d) interposées en série dans la branche, chaque unité de capacité comportant une voie principale (16p) et une voie auxiliaire (16s) montées en parallèle, au moins une cellule (14) interposée dans la voie principale, un premier interrupteur (24p) interposé dans la voie principale et un deuxième interrupteur (24s) interposé dans la voie auxiliaire ;la batterie comportant pour chaque unité de capacité (12a-12d) une carte électronique (26a-26d) pour piloter sélectivement l’ouverture et la fermeture de chacun des interrupteurs (24p, 24s), et au moins un circuit de contournement (70) associé à une unité de capacité (12a-12d) ou associé à une série de plusieurs unités de capacité juxtaposées le long de la branche, ce circuit de contournement comportant une voie électrique (72) le long de laquelle est interposée un interrupteur (74). Figure pour l'abrégé : Fig.11
Resumen de: EP4672402A1
According to an embodiment of the present disclosure, there is provided a lithium metal battery comprising:a positive electrode which includes a positive electrode current collector, and a positive electrode active material layer formed on one side or both sides of the positive electrode current collector,a negative electrode which includes a lithium metal layer, anda separator which includes a substrate, and an oxide-based solid electrolyte layer formed on one side or both sides of the substrate and including lithium aluminum titanium phosphate(LATP),wherein the oxide-based solid electrolyte layer of the separator faces the lithium metal layer of the negative electrode, andwherein an inorganic layer containing a reduced product of the LATP is formed at an interface between the oxide-based solid electrolyte layer and the lithium metal layer, and a method for manufacturing the same.
Resumen de: EP4672417A1
The present disclosure relates to an electrode assembly, and the electrode assembly according to one aspect of the present disclosure may include a first electrode including a first body portion coated with a first electrode active material and a first tab portion extending outward from an edge of the first body portion; a second electrode including a second body portion stacked on one surface of the first body portion and coated with a second electrode active material, and an uncoated portion provided on an edge of the second body portion and overlapping the edge of the first body portion; and a separator interposed between the first electrode and the second electrode, wherein the first electrode may further include an extension portion provided on the edge of the first body portion and protruding outward from the uncoated portion.
Resumen de: EP4672418A1
The present invention relates to an electrode assembly including an electrode stack, which includes a positive electrode including a positive electrode active material layer; a negative electrode including a negative electrode active material layer; and a separator disposed between the positive electrode and the negative electrode, and at least one fixing member which fixes the electrode stack by winding the electrode stack in an overall width direction, wherein the positive electrode includes a positive electrode sliding portion in which a thickness of the positive electrode active material layer decreases, the fixing member includes a first fixing member overlapping the positive electrode sliding portion and a second fixing member not overlapping the sliding portion, and a thickness of the first fixing member is greater than a thickness of the second fixing member.
Resumen de: EP4672461A1
A bracket, a battery cell, a battery, and a power consuming apparatus are provided. The bracket includes: a bracket body, provided with a through hole, where the through hole is used to expose a part of an electrode terminal; and a first guide portion, disposed in the bracket body and configured to guide a conductive portion of an electrode assembly to run through the through hole to be connected to the electrode terminal. The first guide portion is disposed on the bracket body, so that in a process in which the electrode assembly is assembled into a housing of the battery cell, the first guide portion may provide guidance on and protect the conductive portion of the electrode assembly, to enable the conductive portion of the electrode assembly to gradually enter the through hole, thereby reducing a probability that the conductive portion collides with the bracket body, reducing a risk that the electrode assembly fails and is damaged, and improving reliability and stability of the battery cell.
Resumen de: EP4672404A1
A battery cell, a battery, and a power consuming apparatus. The battery cell includes an electrode assembly and an outer package. The electrode assembly includes a positive electrode plate. The positive electrode plate includes a positive electrode current collector and a positive electrode film layer arranged on at least one surface of the positive electrode current collector. The positive electrode film layer includes a positive electrode active material. The positive electrode active material includes layered lithium-containing transition metal oxide in monocrystalline morphology. A length of the battery cell is denoted as a, and a width of the battery cell is denoted as b. a is greater than or equal to 180 mm, and a/b ranges from 2.0 to 10.5. In this way, the battery can take into account high energy density and long cycle life.
Resumen de: EP4671205A1
Provided is a carbon nanotube dispersion comprising carbon nanotubes, dispersants and a solvent. The dispersants comprise a first dispersant comprising a first polymer compound containing an amine group, and a second dispersant comprising a second polymer compound containing an aromatic ring. The second dispersant contains aromatic carbon in an amount of 65 mol% or more based on the total number of moles of carbon atoms. The carbon nanotube dispersion according to one embodiment of the present invention can significantly reduce not only the initial viscosity of the carbon nanotube dispersion but also the rate of change in viscosity over time by containing a specific level or more of aromatic carbon in the second dispersant.
Resumen de: EP4671301A1
The present invention discloses a meta-aramid polymer with a grid structure, and a preparation method therefor and use thereof, and belongs to the technical field of lithium battery materials. In the process of forming the meta-aramid polymer, alkyl is introduced among macromolecules through alkylation, such that adjacent molecular chains are linked by a chemical bond so as to form a grid structure. A coating slurry prepared from the meta-aramid polymer with a grid structure, a pore-forming agent and a cosolvent are coated on the surface of a polyolefin porous separator so as to obtain a high-performance lithium battery coated separator. Compared with a coated separator prepared by a traditional method, the coated separator prepared by the present invention has higher heat resistance, thermal shrinkage resistance and puncture strength, has better wettability with an electrolyte, and thus can prolong a cycle life of a battery. The coated separator of the meta-aramid with a grid structure can further improve the oxidation resistance, is beneficial to realizing high potential and improves energy density.
Resumen de: EP4672362A1
The present invention discloses a preparation method of a silicon-carbon composite material and a silicon-carbon composite material. The preparation method includes: preparing a porous carbon-doped porous copper complex, and depositing nano-silicon on the porous carbon-doped porous copper complex according to a silane pyrolysis method, to obtain the silicon-carbon composite material. The preparation of the porous carbon-doped porous copper complex includes at least operation steps of: S11). uniformly mixing carbon disulfide, activated carbon, and a binder, and pressing an obtained mixture into copper foam to form a sheet-like structure; and S12). transferring the sheet-like structure obtained in the step S11) to a carbonization apparatus, and performing heating and carbonization in an inert atmosphere to obtain the porous carbon-doped porous copper complex. In the present invention, the following obvious defects and problems are significantly alleviated: The nano-silicon cannot be completely deposited in porous carbon when only pure porous carbon is used as a substrate for depositing the nano-silicon, thus affecting expansion and high-temperature preservation performance of the silicon-carbon composite material due to exposure of the nano-silicon; and the use of a pure porous metal for depositing the nano-silicon leads to poor consistency and low efficiency.
Resumen de: GB2642080A
A cell stack (Fig. 2, 200) comprising parallel prismatic cells (Fig. 2, 204) with an end plate 300 adjacent to the endmost cell (Fig. 2, 204n) comprising a first temperature sensor 302 adjacent a middle of a first edge 306 and a second temperature sensor 304 adjacent an edge away from the first edge. The second sensor may be adjacent a corner formed by a second 310 and a third side 308. A third sensor (Fig. 5, 505) may be adjacent a corner formed by the third and a fourth 312 side. The stack - optionally in an electric vehicle (Fig. 1, 100) - may have a temperature regulation plate (Fig. 7, 702) along the longitudinal axis, a terminating plate (Fig. 2, 206) at the opposite end of the stack to the end plate, and a Cell Supervisory Circuit module (Fig. 6, 602) on the end plate in communication with the sensors. A battery assembly may comprise a pair of stacks connected by a bus bar (Fig. 8, 704), optionally engaging the stacks adjacent their end plates. A second bus bar may engage the stacks adjacent the middle. One stack may be inversely oriented relative to the other.
Resumen de: GB2642087A
Apparatus comprising a housing 102 with at least one opening and at least one access window 104 transparent to electromagnetic radiation and disposed on a battery via the at least one opening, and contacting an electrolyte whose parameters are monitored by electromagnetic radiation. The apparatus may comprise an insulating polymeric layer 106. The housing may be metallic, optionally aluminium, aluminium alloy, steel alloy or aluminium layer on polymer. The parameters may be conductivity, ionic diffusion coefficients, ionic concentration, molar thermodynamic factor or transference number. The battery may be on a first surface 108A of a polymeric layer, with the housing and access window on an opposite surface 108B such that the layer functions as a dielectric between the window and housing, and the battery. The radiation may be of Terahertz frequency. A method comprising irradiating a prism with a first electromagnetic radiation which propagates through the prism and is scattered at an edge of the window, detecting a second electromagnetic radiation emanating from the prism, and measuring one or more characteristics of the second electromagnetic radiation. Refractive indices of the prism, window and electrolyte may be calibrated. An alert indicating the health and performance of the battery may be generated.
Resumen de: EP4672359A1
The present invention relates to batteries, such as lithium, sodium or zinc batteries. In particular, the present invention relates to an electrode material comprising at least one electroactive material and at least one polymeric material. The invention also relates to an electrode comprising said electrode material and to a battery comprising said electrode.The invention is also directed to a method of manufacturing said electrode material, the method comprising at least one step of mixing the polymeric material with the electroactive material, thereby obtaining the electrode material, and optionally at least one step of pouring the obtained electrode material on a current collector.
Resumen de: EP4672371A1
The present invention discloses a fibrous silicon-carbon composite material and a preparation method therefor. The fibrous silicon-carbon composite material includes a core-shell structure, where a core of the core-shell structure includes a porous carbon fiber and nano-silicon, and a shell of the core-shell structure includes an inorganic lithium salt and amorphous carbon. The present invention has a characteristic of high electronic conductivity, and a lithium-ion battery to which the present invention is applied exhibits an excellent rate capability and excellent cycle performance.
Resumen de: EP4672391A1
Pressing device for a battery cell stack (10) comprising a plurality of prismatic or pouch-type battery cells (11), the pressing device (1) comprising a first pressure plate (2) and a second pressure plate (3), and a first side structure (4) and a second side structure (5) configured to be fixed to the first and the second pressure plate (2, 3). The first side structure (4) and the second side structure (5) expand and are compressed in the stacking direction with an increase and a decrease in the thickness of the battery cells (11) respectively, and comprise a plurality of deformable elements (7) which for each width of the first side structure (4) and the second side structure (5) behave as deformable elements of positive stiffness, negative stiffness, or zero stiffness.
Resumen de: EP4672288A1
Ein elektrochemisches Energiespeicherelement 100 umfasst ein einen Innenraum 103 umschließendes Gehäuse mit einem Gehäuseboden 104 und einem Gehäusedeckel 102, die jeweils eine in den Innenraum 103 weisende Innenseite und eine Außenseite aufweisen, und einem einwandigen Gehäusemantel 105. In dem Innenraum 103 angeordnet sind mindestens eine positive und mindestens eine negative Elektrode, die über einen Elektrolyten miteinander verbunden sind. Der Gehäuseboden 104 oder der Gehäusedeckel 102 weisen ein Loch 107 auf. Auf der Innenseite des Gehäusebodens 104 oder des Gehäusedeckels mit dem Loch 107 ist eine Isolierschicht 108 um das Loch 107 herum angeordnet. Ein Metallplättchen 109, das an dieser Innenseite, nur getrennt durch die Isolierschicht 108, anliegt, bildet einen Lochboden, der das Loch 107 auf der Innenseite verschließt. Ein Stromleiter 110, der mit einer der Elektroden elektrisch verbunden ist, ist an die dem Loch 107 abgewandte Seite des Metallplättchens 109 angebunden. Neben dem Energiespeicherelement 100 werden auch Verfahren zu seiner Herstellung beschrieben.
Resumen de: EP4672546A1
A battery module and an aerosol provision device comprising such a battery module is described. The battery module includes a battery and one or more electric circuit that are responsive, at least in part, to an input, to cause a persistent change in the one or more circuits to prevent charging of the battery and/or to prevent transfer of electrical power from the battery to the aerosol provision device.
Resumen de: EP4672545A1
A battery module is described that is connectable to an aerosol provision device for generating aerosol. The battery module comprises a battery (for providing electrical power to the aerosol provision device), a data storage medium, and a controller (configured to obtain and store battery data in the data storage medium).
Resumen de: EP4672382A1
The present invention relates to an all-solid battery comprising: a casing comprising a tubular body comprising a first through hole, an outer tubular surface and an inner tubular surface defining an internal volume of the tubular body, first and planar case portions each comprising a through hole arranged to match the first through hole of the tubular body; a first and second metallic conductors comprising a hollow tubular body and provided coaxially within the internal volume of the tubular body of the casing and provided adjacent to the outer tubular surface and the inner tubular surface of the tubular body of the casing, respectively; a first cell unit comprising a first cathode current collector, a first cathode adjacent to the cathode current collector, a first solid state electrolyte (SSE) adjacent to the first cathode, optionally a first anode adjacent to the first SSE, and a first anode current collector adjacent to the first anode, wherein each component of the first cell unit comprises a hollow tubular body and is provided coaxially within the internal volume of the tubular body of the casing.
Resumen de: EP4671512A1
A device (1) for exchanging vehicle fluids (111, 121), comprising- a first fluid port (10) to connect to a first assembly (110) of a vehicle (100), the first assembly (110) containing a first vehicle fluid (111),- a second fluid port (20) to connect to a second assembly (120) of the vehicle (100), the second assembly (120) containing a second vehicle fluid (121),- a first fluid control arrangement (12) configured to selectively permit fluid flow from the first assembly (110) to the first fluid port (10) and to selectively permit fluid flow from the first fluid port (10) to the first assembly (110), and- a second fluid control arrangement (22) configured to selectively permit fluid flow from the second assembly (120) to the second fluid port (20) and to selectively permit fluid flow from the second fluid port (20) to the second assembly (120).
Nº publicación: EP4670224A1 31/12/2025
Solicitante:
WHITEMARK TECH GMBH [DE]
Whitemark Technology GmbH
Resumen de: WO2025237524A1
Provided is a battery module, comprising a housing including at least one double-walled portion, wherein a channel is integrally formed for a flow of a first tempering liquid; a second tempering liquid included in the housing; and a plurality of battery cells included in the housing and arranged in alignment with each other, wherein at least one terminal of each battery cell is located adjacent to the at least one double walled portion.
BOPI
Sede Electrónica
