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1466
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Updated on
07/12/2025 [07:33:00]
Absstract of: FR3162753A1
L’invention concerne un précurseur d’électrolyte anionique réticulable comprenant :- un premier monomère hydrocarboné comportant deux fonctions thiol et un deuxième monomère hydrocarboné comportant deux double liaison C=C, - un porteur de charge comprenant un composé hydrocarboné comportant au moins une ou deux double liaison C=C et un cation organique, ledit cation étant notamment associé à un anion,- un réticulant comprenant un composé hydrocarboné comportant au moins trois doubles liaison C=C. Figure 1 à publier
Absstract of: FR3162920A1
Module électrique comprenant : -une paroi inférieure, - une paroi supérieure opposée à la paroi inférieure, - une première paroi (4) latérale reliant la paroi inférieure à la paroi supérieure, - une deuxième paroi latérale opposée à la première paroi latérale et reliant la paroi inférieure à la paroi supérieure,- une paroi d’entrée solidaire de la paroi inférieure, de la paroi supérieure, de la première paroi latérale et de la deuxième paroi latérale, - une paroi de sortie opposée à la paroi d’entrée et solidaire de la paroi inférieure, de la paroi supérieure, de la première paroi latérale et de la deuxième paroi latérale, les paroi inférieure, paroi supérieure, première paroi latérale, deuxième paroi latérale, paroi d’entrée et paroi de sortie, définissant ensemble, une cavité interne destinée à être remplie d’un liquide diélectrique. Figure pour l'abrégé : Figure 1
Absstract of: FR3162919A1
Dispositif de refroidissement pour une batterie électrique, comprenant : - une enveloppe (32) souple formée de deux feuillets (36) de matériau souple s’étendant en regard l’un de l’autre, l’enveloppe (32) présentant des régions de soudure (38) dans lesquelles les feuillets (36) sont solidaires l’un de l’autre et des régions de séparation (40) dans lesquelles les feuillets (36) sont aptes à s’étendre l’écart l’un de l’autre, - au moins un conduit (52) de circulation de fluide s’étendant entre les feuillets (36) à travers au moins l’une des régions de séparation (40), caractérisé en ce que le dispositif de refroidissement (30) comprend en outre : - une structure de support fixée à l’enveloppe (32), la structure de support comprenant une plaque (54) semi-rigide en contact avec l’enveloppe (32) selon une direction de fixation, ladite plaque (54) semi-rigide s’étendant perpendiculairement à la direction de fixation, la plaque (54) semi-rigide étant apte à se déformer en compression selon la direction de fixation pour compenser une déformation de l’enveloppe (32) sous l’effet d’une pression interne de circulation de fluide dans l’au moins un conduit (52). Figure à publier avec l’abrégé : 4
Absstract of: FR3162841A1
Dispositif de mesure des variations dimensionnelles de cellules électrochimiques de batterie lors de cycles de charge et de décharge, comportant suivant un axe principal (A) entre une plaque inférieure (2) et une plaque supérieure (4) d’une presse reliées rigidement, un empilage comprenant un plateau fixe (14) et un plateau mobile (12) de serrage entre eux d’une cellule en appliquant une force axiale, un capteur de cette force axiale (26), un capteur de déplacement axial du plateau mobile (12), et un vérin hydraulique (16) comprenant d’un côté d’un piston une première chambre délivrant une première force vers la cellule, et de l’autre côté une deuxième chambre, équipée d’un réservoir avec accumulateur de pression à gaz (66), délivrant une deuxième force de contrôle de pression qui est opposée à la première force pour donner au final la force axiale appliquée par le vérin (16). Figure 1
Absstract of: FR3162921A1
Titre : Structure de comblement L’invention a pour objet une structure de comblement (12) configurée pour être disposée dans une enceinte recevant des composants (10) dont le fonctionnement est sensible à la température, chaque composant présentant une hauteur (H), cette enceinte étant configurée pour recevoir un fluide diélectrique destinée à immerger les composants. La structure de comblement comporte : - au moins une embase (24) configurée pour s’appuyer sur un pourtour de l’un des composants (10) dont le fonctionnement est sensible à la température, - au moins une colonne (26) se raccordant à l’au moins une embase (24) et s’étendant dans le sens de la hauteur du composant (10), la colonne (26) présentant une hauteur (h) d’au moins 20% ou au moins 30% de la hauteur (H) du composant (10), la colonne (26) au moins partiellement définissant un passage de fluide. Figure pour l’abrégé : Fig. 4
Absstract of: FR3162923A1
Sous-ensemble électronique (120) pour batterie de véhicule, configuré pour former une connexion entre des modules de batterie et des organes électriques du véhicule, le sous-ensemble (120) comporte un support (20) de pré-positionnement de chacun des composants, configuré pour être rapporté, avec les composants pré-positionnés, dans un compartiment d’un boîtier de batterie comprenant les modules de batterie. Figure pour l’abrégé : figure 2a
Absstract of: FR3162922A1
Batterie pour véhicule comprenant un boîtier qui comporte - un compartiment inférieur logeant un premier groupe de modules de batteries, - un compartiment supérieur logeant un deuxième groupe de modules de batteries et un système de contrôle des modules de batterie, le compartiment supérieur et le compartiment inférieur étant séparés par une plaque (5), dite plaque supérieure, portant le deuxième groupe de modules, la plaque supérieure (5) présentant une ouverture traversante (55) permettant le passage d’un élément de connexion électrique (6) qui s’étend depuis le compartiment inférieur vers le compartiment supérieur et qui est agencé pour connecter au moins un module du compartiment inférieur et le système de contrôle. Figure pour l’abrégé : figure 4c
Absstract of: WO2025248162A1
The invention is concerned with a method for producing 2H graphite by graphitization. The method comprises heating a carbon source comprising a catalyst in a first heating step and in a second heating step. The first heating step is performed to a temperature that is below the evaporation temperature of the catalyst for a time sufficient to cause at least partial graphitization as a conversion of the carbon of the carbon source to an end product comprising 2H graphite. The second heating step is performed to a temperature to volatilize the catalyst and to complete the graphitization to a required level.
Absstract of: WO2025245747A1
A layered oxide positive electrode material and a preparation method therefor, a positive electrode sheet, and a sodium-ion battery, belonging to the technical field of sodium-ion batteries. The layered oxide positive electrode material comprises O3@P2 phase composite oxide particles, and an inert coating layer coated on the surface of the O3@P2 phase composite oxide particles. The O3@P2 phase composite oxide particles comprise O3-phase nickel-manganese-based oxide layered particles and a P2-phase metal oxide coating layer coated on the surface of the O3-phase nickel-manganese-based oxide layered particles. The inert coating layer is a carbon layer and/or an inorganic metal oxide layer. When the provided layered oxide positive electrode material provided is applied to a sodium-ion battery, the prepared sodium-ion battery has high first-cycle Coulombic efficiency, excellent rate capability, a long cycle life, and good air stability.
Absstract of: WO2025245550A1
The present invention relates, inter alia, to a battery storage-unit housing (10) for the variable thermal insulation of a battery storage unit (20), comprising an inner housing (11), a thermal insulation layer (12) and an outer housing (13). According to the invention, formed in the insulation layer (12) there is at least one free space (14), parts of which are in contact with a surface of the inner housing (11) and parts of which are in contact with an opposite surface of the outer housing (13). The at least one free space (14) is connected in a media-conducting manner via an inlet (E) and an outlet (A), in order for a heat exchange medium (M) to be transferred through the at least one free space (14). The invention also proposes systems and a method for implementing hydraulically switchable insulation states.
Absstract of: WO2025247834A1
The present disclosure generally relates to a Prussian White particle having an inner core and an outer surface, wherein the Prussian White particle is defined by AaX1X2(CN)6 1-y⋅mH2O, wherein the Prussian White particle comprises a coating arranged on at least a portion of the outer surface, wherein the coating is defined by Naa'X3X2(CN)6 1-y'⋅mH2O, wherein A is Na or K, 1.8 < (a, a') ≤ 2, preferably 1.9 < (a, a') ≤ 2, more preferably 1.98 < (a, a') ≤ 2, 0 < (m, m') ≤ 3, 0 ≤ (y, y') ≤ 0.025, wherein X1 and X2 are selected from Fe and Mn, and wherein X3 is Mn, Ti, Ag, Co, and/or Al. The present disclosure also relates to a method for manufacturing the Prussian White particles, to a cathode comprising a plurality of Prussian White particles, and to an electrochemical energy storage device, preferably a battery cell comprising the cathode. Furthermore, the present disclosure relates to a method for manufacturing a cathode comprising the Prussian White particles.
Absstract of: WO2025247835A1
The present disclosure generally relates to a method for manufacturing Prussian White particles comprising: a) providing an aqueous solution of a precursor having the formula A4X1(CN)6, wherein A is Na or K, and wherein X1 is Fe or Mn; b) reacting said precursor with an acid under conditions that allow for an aqueous reaction product comprising Prussian White particles to be formed; and c) drying said aqueous reaction product, wherein step b) is performed at a temperature of from 75 to 95°C, preferably from 80 to 95°C, more preferably from 85 to 95°C and at a pH of from 1.8 to 4.5. The present disclosure also relates to a Prussian White particle obtainable by the method, to a cathode comprising a plurality of Prussian White particles, and to an electrochemical energy storage device, preferably a battery cell comprising the cathode. Furthermore, the present disclosure relates to a method for manufacturing a cathode comprising the Prussian White particles.
Absstract of: WO2025247828A1
The present invention relates to a battery assembly (10), comprising a battery cell stack (12) with a plurality of battery cells (12a) with respective electrode tabs (14), wherein the battery cells (12a) are stacked and electrically interconnected via their electrode tabs (14) along a stacking direction (S), and a housing with a top and a base plate, between which the battery cell stack (12) is compressed, and structural enclosure walls (16), wherein at least one barrier element (18) is included in the battery cell stack (12) between a pair of neighbouring battery cells (12a) for dividing the battery cell stack (12) into a plurality of sealed cell modules (20a. 20b), wherein the at least one barrier element (18) comprises at least one stud element (22), which extends through an opening (16a) in a first of the structural enclosure walls (16) and is fixed to the first enclosure wall (16) by means of a counter element (22a), wherein between the at least one barrier element (18) and the first enclosure wall (16), a busbar assembly (24) is provided for electrically inter-connecting the neighbouring cell modules (12a), wherein by means of the barrier element (18), the first enclosure wall (16), the busbar assembly (24) and an insulating sealing layer (26) arranged between the busbar assembly (24) and the first enclosure wall (26), a hermetic sealing of the neighbouring cell modules (20a, 20b) is provided.
Absstract of: WO2025251024A1
A bus connector for an energy storage system is provided. The bus connector includes a printed circuit board including a first plurality of metal plates, a second plurality of metal plates, a plurality of bus taps, a plurality of conducting stripes, and a temperature sensor. The first plurality of metal plates is coupled to first terminals of the first battery module. The second plurality of metal plates is coupled to second terminals of the second battery module. Each of the first plurality of metal plates, each of the second plurality of metal plates, and the temperature sensor are connected to a respective bus tap of the plurality of bus taps through a respective conducting stripe of the plurality of conducting stripes. The temperature sensor is configured to sense a temperature of at least one of the first battery module and the second battery module.
Absstract of: WO2025247658A1
The invention relates to a device for providing a ground path, used for shielding, between a printed circuit board (8) and an electrically conductive housing component (2) having a ground plate (10) which has radially resilient contact elements (14). The device according to the invention is characterised in that the printed circuit board (8) is electrically connected to the ground plate (10) via a screw connection or rivet connection (13), wherein the electrically conductive connection between the ground plate (10) and the housing component (2) is established via the resilient contact elements (14) of the ground plate (10). The device can in particular be used in a high-voltage battery.
Absstract of: WO2025247811A1
The invention relates to a battery cell (1), at least comprising: • a housing (3) which encloses a volume (2); and, arranged in the volume (2): • at least one cathode, one anode and one separator as first components (4) of a first subcell (5); • at least one cathode, one anode and one separator as second components (6) of a second subcell (7); and • at least one spacer (8) between the subcells (5, 7); wherein the first subcell (5) is adjacent to a first side wall (9) of the housing (3) and the second subcell (7) is adjacent to a second side wall (10) of the housing (3) opposite the first side wall (9), wherein an intermediate space (12) through which a gas (11) can flow is formed between the subcells (5, 7) by the spacer (8).
Absstract of: WO2025247812A1
A method for analysing a battery layer type for a battery is characterised in that a battery layer of the battery layer type is compressed and at least one compressive stress-compression path ratio is determined. On the basis thereof, a swelling factor can be determined by determining a layer thickness in the compressed state from the determined compressive stress-compression path ratio and setting said layer thickness in relation to the layer thickness of the battery layer in an initial state. Such a swelling factor can be used to design the battery.
Absstract of: WO2025245553A1
The invention relates to a computer-implemented method (100) for identifying the cause of a defect occurring multiple times in technical devices of a type of technical device which is preferably a vehicle battery (2) or a vehicle (3), having the following steps: detecing (101) operating data of a plurality of technical devices of the type, said operating data comprising value curves of time-resolved measurement parameters and characterizing the operating behavior and the environment of a respective technical device from a field operation, and defect-related state data of the respective technical device, the operating data of the technical devices in which the defect has occurred being marked as defective; generating (102) features by processing at least some of the operating data by means of mathematical operations and/or by selecting data regions from the operating data, each said features being correlated with different possible causes of the defect; selecting (103) features relevant to the defect from the generated features by chaining feature selection methods; and identifying (104) the cause of the defect as the intersection (1) between the different possible defect causes with which the relevant features are correlated. The method is adapted so as to carry out a measure to resolve the defect on at least one technical device of said type.
Absstract of: WO2025247905A1
The invention relates to a method for welding at least one contact of at least one energy storage module, preferably of an electric vehicle, using a multi-level converter system, in which a plurality of energy storage modules and transistors are provided, wherein each energy storage module can be connected in parallel and/or in series to the respective neighbouring energy storage module, and the energy storage modules, preferably the transistors, are connected in such a way that a welding temperature is provided at the contact.
Absstract of: WO2025248357A1
There is provided a battery unit. The battery unit comprises a housing; a battery cell inside the housing; and a thermally conductive layer arrangement to conduct heat from the battery cell to the housing. The thermally conductive layer arrangement comprises a primary conduction layer and a secondary conduction layer. A cross-plane thermal conductivity of the primary conduction layer is higher than an in-plane thermal conductivity of the primary conduction layer, and an in-plane thermal conductivity of the secondary conduction layer is higher than a cross-plane thermal conductivity of the secondary conduction layer.
Absstract of: WO2025247573A1
The invention relates to a method for forming a battery cell, in particular for forming a solid-electrolyte interphase, wherein a time-dependent voltage (4, 5) is used to form the battery cell. The method is characterized in that, in order to charge (4) the battery cell during formation, the voltage (4) is increased from a minimum voltage (Vmin) to a maximum voltage (Vmax) in multiple potential steps (42, 43, 44), a constant voltage being associated with each of the potential steps (42, 43, 44). Furthermore, the invention relates to a device for controlling formation of a battery cell.
Absstract of: WO2025248063A1
Disclosed is a battery for a vehicle comprising a housing which comprises: - a lower compartment accommodating a first group of battery modules, - an upper compartment accommodating a second group of battery modules and a system for controlling the battery modules, the upper compartment and the lower compartment being separated by a plate (5), referred to as the upper plate, carrying the second group of modules, the upper plate (5) having a through-opening (55) allowing an electrical connection element (6) to pass through it, the electrical connection element extending from the lower compartment to the upper compartment and being arranged to connect at least one module of the lower compartment and the control system.
Absstract of: WO2025248470A1
The invention relates to an electrical module (1) comprising: • - a lower wall; • - an upper wall (3) opposite the lower wall; • - a first side wall (4) connecting the lower wall to the upper wall; • - a second side wall (5) opposite the first side wall and connecting the lower wall to the upper wall; • - an inlet wall (6) secured to the lower wall, to the upper wall, to the first side wall and to the second side wall; • - an outlet wall (7) opposite the inlet wall and secured to the lower wall, to the upper wall, to the first side wall and to the second side wall, wherein the lower wall, the upper wall, the first side wall, the second side wall, the inlet wall and the outlet wall together define an internal cavity intended to be filled with a dielectric liquid.
Absstract of: WO2025248052A1
An electrolyte composition for a Zn-MnO2 electrochemical device said electrolyte composition comprising water, a zinc salt, and a combination of additives, wherein the combination of additives comprises an organic additive and an additive of formula (I), its use and an electrochemical device comprising said electrolyte.
Nº publicación: WO2025248053A1 04/12/2025
Applicant:
CENTRE NATIONAL DE LA RECHERCHE SCIENT [FR]
COLLEGE DE FRANCE [FR]
SORBONNE UNIV [FR]
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE,
COLL\u00C8GE DE FRANCE,
SORBONNE UNIVERSIT\u00C9
Absstract of: WO2025248053A1
An electrolyte composition for a Zinc metal electrochemical device said electrolyte composition comprising water, a zinc salt, and an additive of formula (I), its use and an electrochemical device comprising said electrolyte.
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