Abstract: The invention relates to polymer compositions that conduct lithium ions including the following ingredients: at least one ionic polymer from the polymerization of an ionic liquid, the cation of which bears at least one polymerizable function; at least one lithium salt; and at least one non-ionic polymer, the composition being a solid composition, i.e., a composition devoid of water and organic solvent(s). The invention also relates to the use of the polymer compositions for entering into the formation of electrolytic membranes of electrochemical lithium generators.

Abstract: A device for managing an accumulator, including: a plurality of strain gauges including at least three strain gauges, the strain gauges being arranged to measure stresses along at least three distinct stress axes; a measuring device measuring strains undergone by each gauge along its stress axis; a reversible electrical switch; a calculating device controlling opening and closing of the electrical switch, depending on measurements carried out by the measuring device.

Abstract: The invention relates to polymer compositions that conduct lithium ions including the following ingredients: at least one ionic polymer from the polymerisation of an ionic liquid, the cation of which bears at least one polymerisable function; at least one lithium salt; and at least one non-ionic polymer, the composition being a solid composition, i.e., a composition devoid of water and organic solvent(s). The invention also relates to the use of the polymer compositions for entering into the formation of electrolytic membranes of electrochemical lithium generators.

Abstract: A device for managing an accumulator, including: a plurality of strain gauges including at least three strain gauges, the strain gauges being arranged to measure stresses along at least three distinct stress axes; a measuring device measuring strains undergone by each gauge along its stress axis; a reversible electrical switch; a calculating device controlling opening and closing of the electrical switch, depending on measurements carried out by the measuring device.

Abstract: The invention relates to a method for preparing a nanocomposite material by simultaneous vapour phase chemical deposition and vacuum injection of nanoparticles and to the materials and nanoparticles obtained thus and the application thereof.

Abstract: A lithium-air storage battery having at least one electrochemical cell with a negative electrode, which is an air electrode; a positive electrode, which comprises a material for insertion of lithium; and an organic electrolyte conducting lithium ions, positioned between the negative electrode and positive electrode, the electrolyte not degrading, when it is subject to a voltage ranging from 3V to 5.5V expressed relatively to the Li+/Li pair and the storage battery having a potential difference between the electrochemical potential of the positive electrode and the electrochemical potential of the negative electrode greater than 4.5V expressed relatively to the Li+/Li pair.

Abstract: A cathode for an electrochemical reactor including a diffusion layer and a catalyst layer. The cathode has bimetallic or multimetallic nanoparticles, dispersed in direct contact with the diffusion layer, at least one of the metals being chromium (Cr) wholly or partly in oxidized form. The cathode is fabricated by depositing the bimetallic or multimetallic nanoparticles on the diffusion layer by DLI-MOCVD in the presence of O2.

Abstract: A bipolar battery including unit cells fitted with an element including a first electronic conductive support, a second electronic conductive support, an electronic conductive connection connecting the first and the second support, with each support including a first and a second face separate from the first and second faces of the other support, a positive electrode material deposited on one of the faces of the first conductor, and a negative electrode material deposited on one of the faces of the other support. The positive electrode material is supported by the first support, and is positioned facing a negative electrode material, the negative electrode material is supported by the second support, and is positioned opposite a positive electrode material, where the facing electrode materials are separated by an insulator containing an electrolyte, thus forming two juxtaposed unit cells.

Abstract: A method for fabricating an electrode for electrochemical reactor is provided, wherein the electrode includes a porous carbon diffusion layer and a catalyst layer. The method includes a step of depositing the catalyst layer on the diffusion layer by a DLI-MOCVD process.

Abstract: The invention relates to a process for manufacturing a silicon-based electrode and to a silicon-based electrode. It also relates to a lithium battery comprising such an electrode. The process of the invention consists in fabricating a silicon-based electrode of the type that includes a step of electrochemically depositing silicon on a substrate by cyclic voltammetry in a solution comprising at least one ionic liquid and a silicon precursor of formula SinX2n+2, in which x is Cl, Br or I and n is equal to 1 or 2. The electrode of the invention is particularly applicable in the lithium battery field.

Abstract: This method for fabricating an electrode for electrochemical reactor, in which the said electrode comprises a diffusion layer and a catalyst layer, consists in that the step of depositing the catalyst on the diffusion layer is carried out by the DLI-MOCVD process, the diffusion layer being made of porous carbon.

Abstract: The invention relates to a method for preparing a nanocomposite material by simultaneous vapour phase chemical deposition and vacuum injection of nanoparticles and to the materials and nanoparticles obtained thus and the application thereof.

Abstract: The present invention relates to a process for the deposition of metal nanoparticles by physical vapor deposition at the surface of a substrate which may be heat-sensitive, at a pressure of the order of a few tens of pascals, and to the substrates obtained by implementing this process and to their applications.

Abstract: This cathode for electrochemical reactor comprises a diffusion layer and a catalyst layer. It has bimetallic or multimetallic nanoparticles, dispersed in direct contact with the diffusion layer, at least one of the metals being chromium (Cr) wholly or partly in oxidized form.