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1509
resultados
Última actualización
17/03/2026 [07:16:00]
Resumen de: CH722058A2
L'invention se rapporte à un procédé de fabrication d'une électrode composite flexible comprenant: mélange d'un matériau actif, d'un composant conducteur électronique, d'un composant conducteur ionique et optionnellement d'un liant, obtenant ainsi un premier mélange ayant un extrait sec; et mise en forme dudit premier mélange, obtenant ainsi l'électrode composite flexible; dudit extrait sec comprenant entre 50% et 90% en poids dudit matériau actif, entre 5% et 10% en poids dudit composant conducteur électronique, entre 5% et 40% en poids dudit composant conducteur ionique, et entre 0% et 20% en poids dudit liant, par rapport au poids dudit extrait sec. L'invention concerne également une batterie tout-solide, le composant conducteur ionique comprenant notamment du PEO.
Resumen de: FR3166202A1
Dispositif de régulation thermique, notamment de refroidissement L’invention concerne un dispositif de régulation thermique (1), notamment de refroidissement, pour composant électrique (100) susceptible de dégager de la chaleur, ce dispositif comportant une plaque supérieure (2), une plaque intermédiaire (3) et une plaque inférieure (4), la plaque intermédiaire (3) étant assemblée en étant intercalée entre la plaque supérieure (2) et la plaque inférieure (4), pour former ensemble une pluralité de canaux (5) de circulation pour un fluide caloporteur, les canaux (5) s’étendant entre une zone d’entrée de fluide et une zone de sortie de fluide, dispositif de régulation thermique dans lequel la plaque intermédiaire (3) comporte une pluralité de barreaux (10) qui présentent chacun un pourtour délimitant au moins partiellement au moins l’un des canaux (5), et deux barreaux (10) de part et d’autre du canal (5) étant reliés entre eux par au moins un pont de matière (20) qui s’étend de manière localisée en travers du canal (5) entre ces barreaux (10). Figure pour l’abrégé : Figure 1
Resumen de: FR3166203A1
Dispositif de régulation thermique, notamment de refroidissement L’invention concerne un dispositif de régulation thermique, notamment de refroidissement, ce dispositif comportant une plaque supérieure et une plaque inférieure (3) assemblée avec la plaque supérieure pour former ensemble une pluralité de canaux (5) de circulation pour un fluide caloporteur, dispositif de régulation thermique dans lequel : au moins deux paires de canaux partagent un canal commun (15), et les deux ponts d’interconnexion (16) sont connectés à ce canal commun (15), en deux points de connexion qui sont distants l’un de l’autre par une distance non nulle dans le sens de la longueur du canal, ouau moins deux paires de canaux (15) sont formées par quatre canaux distincts, et les deux ponts d’interconnexion (16) sont alors séparés l’un de l’autre par l’espace entre les deux paires de canaux (15). Figure pour l’abrégé : Figure 2
Resumen de: FR3166213A1
Procédé automatique d’estimation de la variation d’entropie d’une cellule d’une batterie Ce procédé comporte : - une phase (130) de calibration comportant : • une étape (132) de relevés, pour différents états de charge de la cellule, des valeurs de l’état de charge de la cellule, de la température interne de la cellule et de l’intensité du courant qui traverse la cellule et/ou de la tension entre les bornes de la cellule, et • la détermination (134), à partir des relevés réalisés, des coefficients βj d’un modèle polynomial qui relie une valeur ΔSk2 de la variation d’entropie à un instant k2 à une valeur SOCk2 de l’état de charge de la cellule à cet instant k2, et - lors d’une phase d’exploitation, l’estimation (116) de la valeur ΔSk2 de la variation d’entropie de la cellule à l’aide du modèle polynomial. Fig. 3
Resumen de: FR3166244A1
L’invention concerne un bac de batterie comportant une pluralité de modules comprenant des cellules électrochimiques, ledit bac de batterie comportant un carter comprenant au moins un canal de refroidissement (1), caractérisé en ce que ledit canal de refroidissement (1) comporte un ensemble de raccordement (2), ledit ensemble de raccordement (2) comportant une première connectique mâle (3) et une deuxième connectique mâle (4) positionnées sur ledit canal de refroidissement (1), ledit ensemble de raccordement (2) comportant un premier tuyau (5) et un deuxième tuyau (6), le premier tuyau (5) et le deuxième tuyau (6) étant aptes à se raccorder entre eux et/ou avec le canal de refroidissement (1). L’invention concerne également un véhicule automobile électrique ou hybride comportant un tel bac de batterie et un circuit de refroidissement. Figure 1
Resumen de: WO2026051386A1
A coated cathode active material for a sodium ion secondary battery, the coated cathode active material comprising particles of a cathode active material for a sodium ion secondary battery encapsulated within a coating layer of nanostructured zirconium pyrophosphate particles produced by flame spray pyrolysis.
Resumen de: WO2026052170A1
The invention relates to an electrochemical system (1), in particular a battery system, to be assigned a first cell stack (3), which comprises a plurality of liquid electrolyte cells (5), and a second cell stack (2, 4), which comprises a plurality of solid electrolyte cells (6). The electrochemical system (1) operates with a combined fluid-operated heat transport system (9) that exchanges heat via solid bodies and is designed to transport heat between the various cell stacks (2, 3, 4).
Resumen de: WO2026052249A1
The invention relates to a battery housing, in particular an underfloor housing for trains, comprising a main part (2), which is open on one side, for receiving electrically interconnected battery cells and a cover (3), which closes the open side of the main part (2). The battery housing is characterized in that the cover (3) is equipped, on the main part side, with a thermal insulating element (4) which, in the closed position, protrudes at least partly into a volume space (5) provided by the main part (2), a gap (8) being formed in an overlapping region (6) between an edge (7), provided by the main part (2), and the insulating element (4), and the edge (7) and/or the insulating element (4) having a fire protection element (9) made of a material which swells into the gap (8) under the effect of heat.
Resumen de: WO2026054867A1
Disclosed herein is a battery assembly comprising a housing comprising plurality of walls (120) defining a space configured for positioning a battery cell (10) therein, wherein one of the walls comprises an inlet (300) for receiving a degradable coating composition (7), and wherein one of the walls comprises an outlet (400) for discharge of a degraded coating.
Resumen de: WO2026052307A1
A battery cell (100) has a cylindrical housing (110) and an electrode winding (120) having a layered structure (200) wound around a winding core (190). At least one electrode has a current collector (150) protruding in the longitudinal direction, wherein the electrode winding (120) is arranged in the housing (110) in such a way that an electrical contact to a positive terminal or negative terminal of the battery cell (100) is formed by the current collector (150). The current collector (150) has a plurality of tabs (151, 152) which extend in the longitudinal direction from corresponding tabs of the anode layer and the cathode layer, wherein the tabs (151, 152) are bent over in order to thus form a contact plane on a corresponding end face of the electrode winding (120) for the electrical contact. The tabs (151, 152) are bent in a direction toward the winding core (190) in a first region, which circumferentially adjoins an outer circumference of the electrode winding (120), and in a direction away from the winding core (190) in a second region of the end face, which circumferentially adjoins the winding core (190).
Resumen de: WO2026052290A1
The one or more specified settings associated with the one or more battery cells in the battery pack to facilitate power transfer between the one or more battery cells in the battery pack for a battery pack is configured. The one or more settings associated with the one or more battery cells in the battery pack are accessed. The configuration for the battery pack, until the configuration meets or exceeds the battery power requirements is optimized.
Resumen de: WO2026052300A1
The present invention relates to a module of an assembly for exchanging heat with at least one battery cell, comprising at least: - a support structure for supporting at least one battery cell comprising at least one orifice forming a housing with a shape complementary to the peripheral edge of the at least one cell, - a heat-exchange panel (11) positioned against the support structure and comprising an interior volume for the circulation of a heat transfer fluid between at least one fluid inlet orifice and one fluid outlet orifice, characterized in that the heat-exchange panel is produced by at least two structures of substantially planar shape positioned facing each other and assembled together by their peripheral edges so that the sealing of the interior volume of the heat-exchange panel is achieved by a peripheral weld, welding the two structures together.
Resumen de: WO2026052301A1
The invention relates to a joining system (1) for the circulation of a fluid between a male duct (2) and a female duct (3), which comprises: - a first connection interface (21) produced by the outer surface of the male duct (2), - a second connection interface (31) complementary to the first connection interface (21) and produced by the inner surface of the female duct (3), - an axial elastic intermediate joining device (11) comprising at least one respective surface (112, 113) opposite the first (21) and the second (31) connection interface, in order to be compressed between these interfaces (21, 31), characterized in that: - the second connection interface (31) comprises a drainage orifice (41) towards a drainage channel borne by the female duct (3), - the axial elastic intermediate joining device (11) comprises, opposite the second connection interface (31), at least two lips or series of lips (51, 52) orthogonal to the axis of the device (11), the intermediate joining device (11) being positioned with insertion into the female duct (31) such that each lip or series of lips (51, 52) is arranged on either side of the drainage orifice (41) of the second connection interface (31).
Resumen de: WO2026051096A1
Provided are an iron phosphate material and a preparation method therefor, a positive electrode material, a positive electrode sheet, and a secondary battery. The iron phosphate material is doped with titanium. At least part of the surface of primary particles of the iron phosphate material has a laminated structure. In a plurality of lamellas of the laminated structure, any two adjacent lamellas are respectively located on one side of each other. The preparation method comprises: providing a mixed solution comprising a ferrous salt, a titanium salt and a phosphate; mixing the mixed solution with a first alkali source to obtain a first slurry; adding an oxidant and a second alkali source to the first slurry to obtain a second slurry; performing a first solid-liquid separation treatment on the second slurry to obtain a filter cake; mixing the filter cake with a phosphoric acid solution, and aging the resulting mixture to obtain a third slurry; and performing a second solid-liquid separation treatment on the third slurry, then drying same, and performing a calcination treatment to obtain an iron phosphate material. Further provided are a positive electrode material comprising the iron phosphate material, a positive electrode sheet comprising a positive electrode active layer of the positive electrode material, and a secondary battery comprising the positive electrode sheet.
Resumen de: US20260074306A1
A battery management system includes: a storage unit that stores first hopping history data for a plurality of channels associated with a first battery management module among a plurality of battery management modules, a model generation unit that generates a first probability distribution model associated with the first battery management module based on the first hopping history data, and a communication unit that allocates a first channel among the plurality of channels to the first battery management module using a frequency hopping method, sets first communication properties associated with the first channel based on the first probability distribution model, and performs wireless communication with the first battery management module through the first channel using the first communication properties.
Resumen de: US20260074308A1
A battery cell replacement detection apparatus includes a memory, and a processor configured to obtain cell data related to charging of a battery from a battery management system (BMS), to compare the cell data with data stored in the memory, and to determine whether a battery cell has been replaced.
Resumen de: US20260074309A1
A hydrogen sulfide detection device includes a wire that electrically connects a first node and a second node, and a monitoring circuit that monitors a voltage between the first node and the second node. The wire includes a plurality of metal exposed portions in which a metal that reacts with the hydrogen sulfide to corrode is exposed.
Resumen de: US20260074307A1
A battery ECU calculates a gas generation amount generated in a case, and calculates a gas permeation amount corresponding to an amount of leakage of the gas out of the case. The battery ECU calculates an internal gas amount that is a gas amount inside the battery, by subtracting the gas permeation amount from the gas generation amount. Further, the battery ECU calculates an electrolyte solution permeation amount corresponding to an amount of leakage of an electrolyte solution out of the case, and calculates an internal void volume that is a void volume inside the battery, by adding the electrolyte solution permeation amount and an initial void volume. Then, the battery ECU calculates a battery internal pressure that is a pressure in the case, based on the internal gas amount and the internal void volume.
Resumen de: US20260074302A1
Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms. In some aspects, an electrochemical cell can include an anode disposed on an anode current collector, a cathode disposed on a cathode current collector, the cathode having a first thickness at a proximal end of the cathode and a second thickness at a distal end of the cathode, the second thickness greater than the first thickness, a first separator disposed on the anode, a second separator disposed on the cathode, an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material and having a proximal end and a distal end, and a power source electrically connected to the proximal end of the cathode and the proximal end of the interlayer, the power source configured to maintain a voltage difference between the cathode and the interlayer below a threshold value.
Resumen de: WO2026052661A1
Electrode material for batteries or for electric arc reactions comprising pyrolytic carbon, wherein the pyrolytic carbon is obtained by pyrolysis of i) plastic waste, preferably end-of-life tires (ELT) waste, mixed plastic waste (MPW), automotive-shredder-residue (ASR), plastic solid waste (PSW), present in municipal solid waste (MSW), electronic waste (E-waste) or mixtures thereof, or mixtures thereof, or ii) mixtures of i) with at least one kind of hydrocarbons; and a battery comprising an electrode material comprising at least one conductive material, at least one binder and at least one active material, wherein the conductive material and/or the active material comprises or consists of the pyrolytic carbon as obtained according to the present invention; and a conductive composition for an electrode material for batteries comprising at least one conductive material, wherein the conductive carbon comprises or consists of the pyrolytic carbon as obtained according to the present invention; and an electrode material for electric arc reactions comprising a) at least one carbon material, b) optionally graphite, anthracite coal, coke or mixtures thereof, and c) optionally a binder, wherein the carbon material comprises or consists of the pyrolytic carbon as obtained according to the present invention; and a process for preparing an electrode material for batteries or for arc pyrolysis; and use of pyrolytic carbon obtained by pyrolysis of i) plastic waste, preferably end-of-life
Resumen de: DE102025135761A1
Eine Steuervorrichtung steuert ein Keramikheizelementmodul, das ein Keramikheizelement mit einem Widerstandsheizelement und ein Gehäuse umfasst, das das Keramikheizelement aufnimmt und einen Einlass und einen Auslass aufweist, durch die ein flüssiges Medium strömt. Die Steuervorrichtung ermittelt als Auslasstemperatur eine Temperatur auf einer Auslassseite des Keramikheizelementmoduls und bestimmt auf der Grundlage einer Temperaturdifferenz zwischen einer Starttemperatur (der Auslasstemperatur zu einem Einschaltzeitpunkt, zu dem die Erregung des Widerstandsheizelements gestartet wird) und einer Erfassungstemperatur (der Auslasstemperatur, die zu einem oder mehreren bestimmten Zeitpunkten nach dem Einschaltzeitpunkt ermittelt wird), ob eine Stoppbedingung erfüllt ist. Die Steuervorrichtung stoppt die Erregung des Widerstandsheizelements, wenn sie feststellt, dass die Stoppbedingung erfüllt ist.
Resumen de: DE102025135232A1
Es werden abgedichtete Sammelschienenbaugruppen zur Verwendung innerhalb von Traktionsbatteriepacks bereitgestellt. Eine beispielhafte abgedichtete Sammelschienenbaugruppe kann dazu konfiguriert sein, ein erstes Batteriearray und ein zweites Batteriearray des Traktionsbatteriepacks elektrisch zu verbinden. Primärdichtungen und Sekundärdichtungen der abgedichteten Sammelschienenbaugruppe können zusammenwirken, um Hochspannungsverbindungen relativ zu sowohl dem ersten Batteriearray als auch dem zweiten Batteriearray abzudichten. Die Hochspannungsverbindungen können durch die Sammelschiene, ein Paar von Befestigungselementen und Hochspannungsarraysammelschienen sowohl des ersten Batteriearrays als auch des zweiten Batteriearrays hergestellt werden.
Resumen de: WO2026054351A1
The present invention relates to an inspection system using pressure distribution measurement of a secondary battery and, more specifically, to an inspection system using pressure distribution measurement of a secondary battery, the system having, arranged on one side of a pressure distribution measurement sensor, a connector board for the pressure distribution measurement sensor, thereby improving data processing speed, increasing user convenience, and reducing costs required for constructing the entire system.
Resumen de: WO2026052510A1
The invention relates to a temperature control device, in particular for cooling, this device comprising an upper plate and a lower plate (3) joined to the upper plate such that together they form a plurality of flow channels (5) for a heat-transfer fluid, in which temperature control device: - at least two pairs of channels share a common channel (15), and the two interconnection bridges (16) are connected to this common channel (15), at two connection points which are separated from one another by a non-zero distance in the length direction of the channel, or - at least two pairs of channels (15) are formed by four separate channels, and the two interconnection bridges (16) are then separated from one another by the gap between the two pairs of channels (15).
Nº publicación: WO2026055467A1 12/03/2026
Solicitante:
SILA NANOTECHNOLOGIES INC [US]
SILA NANOTECHNOLOGIES, INC
Resumen de: WO2026055467A1
In some embodiments, a separator includes a polymer membrane, and a separator coating disposed on the polymer membrane. The separator coating includes (1) ceramic particles including a mixture of higher-aspect ratio ceramic particles (HARCPs) and lower-aspect ratio ceramic particles (LARCPs) and (2) a binder. The separator coating may have a thickness of about 0.5 μm to about 5.0 μm and a mass fraction of the binder in the separator coating may be 20 wt. % or less. The ceramic particles may include Al2O3, AlO(OH), and/or Al(OH)3. The HARCPs may be characterized by an HARCP aspect ratio of more than about 3 and the LARCPs may be characterized by an LARCP aspect ratio of about 1 to about 3. Integrated electrode-separator components, lithium-ion batteries, and related methods are also disclosed.
BOPI
Sede Electrónica
