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: US20260106231A1
0000 A battery cell may include a first electrode coupled with a first current collector, a second electrode coupled with a second current collector, and a separator interposed between the first electrode and the second electrode. The battery cell may further include a current controller including one or more shape memory effect (SME) materials in a deformed conformation. The shape memory effect (SME) materials may recover at least partially an original conformation of the shape memory effect (SME) materials in response to one or more stimuli. The current controller may have a lower conductivity when the shape memory effect (SME) materials are in the original conformation than when the shape memory effect (SME) materials are in the deformed conformation such that the shape memory effect (SME) materials recovering the original conformation reduces current flow within the battery cell.
Resumen de: US20260106199A1
A device for producing an electrode stack containing flat electrode elements includes a stacking wheel, which is mounted to rotate about a stacking wheel axis and has a plurality of stacking wheel fingers, which define respective intermediate spaces for receiving the electrode elements, and a wiper unit, which is designed to remove the electrode elements one after the other from the respective intermediate spaces through interaction with a rotational movement of the stacking wheel about the stacking wheel axis. The device furthermore includes a receiving unit for successively receiving the electrode elements removed from the intermediate spaces. The receiving unit has a base structure, on which the electrode elements received in the receiving unit can be stacked, and a delimiting element, which forms an end stop for the electrode elements received in the receiving unit and which is arranged statically in relation to the stacking wheel axis.
Resumen de: US20260103382A1
0000 The present invention relates to a carbon nanotube dispersion and a preparation method thereof, wherein the carbon nanotube dispersion includes carbon nanotubes, a first dispersant which is carboxyalkyl cellulose having a weight average molecular weight of 9,000 g/mol or less, a second dispersant which is polyvinyl butyral (PVB), and a solvent, and the carbon nanotube dispersion of the present invention has a low initial viscosity and a low viscosity change rate, and thus, is excellent in storage stability and processability.
Resumen de: US20260106165A1
A secondary battery includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and a nonaqueous electrolyte having lithium ion conductivity. The negative electrode includes a negative electrode current collector. The negative electrode current collector includes a resin film, and a transition metal layer laminated with the resin film. The resin film includes a base resin layer, and a surface resin layer, and at least the surface resin layer contains a nitrogen-containing resin.
Resumen de: US20260106323A1
0000 Disclosed is a lithium secondary battery including: a positive electrode; a negative electrode; a porous separator disposed between the positive electrode and the negative electrode; a spacer disposed between the separator and at least one of the positive electrode and the negative electrode; and a non-aqueous electrolyte having lithium ion conductivity, wherein, on the negative electrode, lithium metal is deposited during charging, and the lithium metal is dissolved during discharging, the spacer includes insulating particles, a binder resin, and a thickener, the insulating particles have a median diameter in a volume-based particle size distribution, of 1.0 μm to 10 μm, the binder resin includes a polymer compound having a phthalic acid skeleton, and the thickener includes at least one selected from the group consisting of carboxymethyl cellulose and a carboxymethyl cellulose salt. Accordingly, it is possible to obtain a lithium secondary battery including a spacer with excellent physical properties.
Resumen de: US20260106213A1
The present invention provides a novel zirconium phosphate-based oxide exhibiting high Li conductivity and a method for producing the oxide. The present invention further provides a solid electrolyte and a power storage device using the oxide. An oxide satisfying formula (1) below: Li1+x+y−zM1xZr2−xM2yM3zP3−y−zO12 . . . (1) (in formula (1), M1 contains Fe or In, M2 contains Si, M3 contains W, and x>0, y≥0, z≥0, and y+z>0 are satisfied).
Resumen de: US20260106290A1
0000 A battery pack case is disclosed. The battery pack case of the present disclosure may include: a bottom plate; a side case extending upward from a periphery of the bottom plate, and forming an accommodation space together with the bottom plate; and a partition unit positioned on an upper surface of the bottom plate, and configured to partition the accommodation space, wherein the partition unit includes: a partition support module coupled to the bottom plate; and a partition insulation module coupled to the partition support module, and forming an insulation space as a hollow section therein.
Resumen de: US20260106177A1
A secondary battery positive electrode includes a belt-shaped positive electrode current collector with two regions and a positive electrode mixture thereon. The first region being at both ends and the second region is a central area. The positive electrode mixture layer includes a first positive electrode mixture layer carried on the first region and a second positive electrode mixture layer carried on the second region. The positive electrode mixture layer includes a first positive electrode mixture layer on the first region and a second positive electrode mixture layer on the second region. An average particle diameter D1 of a first positive electrode active material of the first positive electrode mixture layer is 1 μm or more and 7 μm or less. An average particle diameter D2 of a second positive electrode active material of the second positive electrode material layer is 9 μm or more and 30 μm or less.
Resumen de: US20260106173A1
A device can include a battery electrode that comprises a substrate having one or more polymeric materials and a layer disposed on the substrate. The layer can include one or more conductive materials, have a thickness no greater than 12 micrometers, and have a porosity of at least 5% by volume. Additionally, an electrode layer including a seed layer can comprise a number of fused nanoparticles. The electrode layer can also include a lithium metal layer disposed on the number of fused nanoparticles. The electrode layer can be formed by producing, on a polymeric current collector layer, a seed layer that includes nanoparticles. A formulation to form the seed layer can include nanoparticles having ligands and then removing the ligands using one or more thermal and/or one or more chemical treatment processes. The seed layer can be electrically conductive, acting as the current collector when disposed on a polymeric substrate.
Resumen de: US20260103114A1
0000 A battery unit includes at least one string of battery modules and a low-voltage switching unit connectable to multiple low-voltage loads. The battery modules are electrically connected in series. Each battery module includes a plurality of battery cells electrically connected in series. Each battery module includes a balancing circuit with an output port and multiple input terminals connectable to the battery cells of the respective battery module. The output ports of the balancing circuits are connected to the low-voltage switching unit. Each of the balancing circuits is configured to provide on its output port an output voltage with a predetermined voltage value and to extract energy from a selected battery cell or from selected battery cells which are connected to the balancing circuit and to provide the energy at least partly as power supply to at least one of the low voltage loads connected to the low-voltage switching unit.
Resumen de: US20260103380A1
0000 The invention concerns a method for synthesizing a lithium-ion battery material consisting of nanoporous lithium iron phosphate particles (1), the method comprising the following steps: (E1) forming a precipitation solution by mixing a lithium source (4), an iron(II) source (5), a phosphorus source (6), a reducing agent (8) and carbon nano-objects (7) in a solvent so as to coprecipitate lithium, iron and phosphorus around the carbon nano-objects in the form of particles, referred to as LFP/C (9), lithium iron phosphate particles incorporating the carbon nano-objects; (E2) separating the LFP/C (9) particles from the precipitation solution; (E3) drying the LFP/C particles (9); (E4) calcining the LFP/C particles (9) so as to decompose the carbon nano-objects (7) incorporated in the particles, the decomposition of the nano-objects (7) generating nanopores (3) within the lithium iron phosphate particles.
Resumen de: US20260103563A1
0000 The present invention provides a resin composition that includes a polycarbonate resin and a lithium salt, wherein: the polycarbonate resin includes a structural unit (A) derived from at least one selected from the group consisting of bisphenol A, bisphenol C, bisphenol MIBK, bisphenol BPAF, bisphenol Z, and bisphenol AP, which are represented by the structural formulas shown here; and the terminal structure of the polycarbonate resin includes a terminal structure derived from the polyalkylene glycol monoalkyl ether represented by general formula (1). (In general formula (1), R<1 >represents a C2-20 alkylene group, R<2 >represents a C1-20 alkyl group, and n represents an integer from 3 to 120.)
0000
Resumen de: US20260106210A1
An electrolyte composition contains an ion conductive inorganic solid electrolyte, a polymer having an ability to preferentially conduct metal ions, and an ionic liquid.
Resumen de: US20260106226A1
The invention relates to a method for producing a material for a solid-state battery and/or a component for a solid-state battery, as well as a solid-state battery cell. In the method for producing a material (10) for a solid-state battery (30) and/or a component (20) for a solid-state battery (30), at least one starting material (1) together with a sodium source (2) and H3BO3 is heated (5) to a temperature between 600° C. and 1300° C. The material and/or component can be produced at a significantly lower temperature.
Resumen de: WO2026076748A1
The present application relates to the field of positive electrode materials, and provides a composite phosphate positive electrode material, wherein the composite phosphate positive electrode material comprises a composite phosphate; and the composite phosphate has a general formula as shown in formula (I): Na4Fe(2.91-a-b-c-d)MnaTibNicCud(PO4)2(P2O7)Me (I), wherein M is selected from at least one of N and F; 0
Resumen de: AU2024353746A1
Disclosed in the present invention is a vehicle, comprising a battery pack. The battery pack comprises: at least two layers of cell groups, each layer of cell group comprising at least one sub-cell group, the sub-cell group comprising a plurality of battery cells, each of the plurality of battery cells of the sub-cell group extending in a first direction, the plurality of cells of the sub-cell group being arranged in a second direction, and the at least two layers of cell groups being stacked in a third direction. The first direction, the second direction and the third direction are perpendicular to one another.
Resumen de: US20260103600A1
0000 A high structure acetylene black having an oil absorption number (OAN) of 360 mL/100 g or more and a BET surface area in a range from 50 to 200 m2/g is provided. Such high structure carbon black exhibits excellent electrical conductivity and good processing properties. e.g. dispersibility, having superior power to impart electrical and/or thermal conductivity to various materials, rendering it particularly useful for all kinds of applications where high electrical and/or thermal conductivity is desired or beneficial, such as manufacture of electrodes and other components of energy storage and/or conversion devices or electrically and/or heat conductive materials and articles made thereof.
Nº publicación: US20260106216A1 16/04/2026
Solicitante:
AGC INC [JP]
Resumen de: US20260106216A1
A sulfide solid electrolyte powder includes, in content in a mass basis: less than 50 ppm of Al; and less than 50 ppm of Zr. A particle diameter D50 is less than 1 μm. A BET diameter calculated based on a BET specific surface area may be 0.10 μm to 0.30 μm.