Abstract: The invention includes a method for treating a spent catalyst containing at least one refractory mineral oxide, one or more metals in the form of sulfide(s) chosen from the following metals: molybdenum, nickel, cobalt, tungsten, vanadium, and carbon compounds, the method comprising: a) in a smelting furnace preparing a melt of cast iron with a layer of slag; b) introducing into the furnace said spent catalyst and placing it in contact with the slag and the melt of cast iron, while maintaining the furnace in rotation and while injecting an oxidizing gas containing oxygen, above the mixture, to cause the combustion of the carbon and/or sulfur compounds; c) extracting from the furnace by sequential castings the slag formed in step b) to recover a cast iron melt enriched with metal or metals, and recover a slag containing the components of the catalyst other than metals, with the exception of vanadium.

Abstract: The present invention relates to thermotropic ionic liquid crystal molecules of general formula (I) With E1 and E2, which may be identical or different, representing, independently of one another, a linear, saturated and unsubstituted C10 to C14 hydrocarbon-based radical, Ax? representing a sulfonate anion or a sulfonylimide anion of formula —SO2—N?—SO2CyF2y+1 with y being an integer ranging from 0 to 2 and Cx+ a sodium, lithium or potassium ion, most particularly advantageous for their conductivity performance qualities as an electrolyte in particular for lithium batteries.

Abstract: A process for preparing a solid electrolyte or a composite electrode incorporating a solid electrolyte, configured for an electrochemical system, may involve: (i) synthesizing, in a solvent medium, at least one (co)polymer by ring-opening (co)polymerization (ROP) of at least one 5-8-membered cyclic carbonate and, optionally, of at least one 5-8-membered lactone, catalyzed by Brønsted superacid(s) and initiated by compound(s) comprising hydroxide group(s); (ii) adding to the reaction medium a sufficient amount of an alkali metal or alkaline earth metal hydride, e.g., LiH, to neutralize all the catalyst and obtain an alkali metal or alkaline earth metal salt and to protect the terminal hydroxyl group(s) of the (co)polymer(s); (iii) optionally adding to the mixture from (ii) salt(s) of the alkali metal or alkaline earth metal, e.g., a lithium salt; and (iv) forming a solid electrolyte by evaporation of the solvent medium or a composite electrode incorporating the solid electrolyte.

Abstract: A composite electrode with a solid electrolyte based on polycarbonates includes at least one solid electrolyte consisting of one or more (co)polymers obtained by ring-opening (co)polymerization (ROP) of at least one five- to eight-membered cyclic carbonate and, optionally, of at least one five- to eight-membered lactone, catalyzed with methanesulfonic acid or performed under microwave irradiation in the absence of catalyst. The hydroxyl functions at the end of the chain of the (co)polymer(s) may be protected. The electrode also includes at least one alkali metal or alkaline-earth metal salt and at least one electrode active material. The electrode may include one or more electrically conductive additives and/or one or more binders. The electrode may be used in an electrochemical system such as a lithium battery.

Abstract: A method for upgrading used or rejected electric battery cells, which include upgradable compounds, such as iron, zinc, manganese, copper, and fixed and volatile carbon, and heavy metals and dangerous compounds. The used or rejected battery cells are introduced as a load into a furnace for melting metal, such as a cupola furnace, a free arc furnace, or an induction furnace. A device for purifying gases produced by the furnace and for capturing and removing noxious elements, such as mercury, chlorides, and fluorides, and heavy molecules such as dioxins, furans, and aromatic substances, is provided in a discharge route of the hot gases, downstream from the melting furnace.

Abstract: The present invention relates to a solid polymer electrolyte comprising: at least one comb polymer comprising a main chain formed from 1-ethenyl- and/or 1-allyl-2,3,4,5,6-pentafluorobenzene monomers, some of the monomer units of the main chain bearing polymeric side chains based on polymers that are solvents for alkali metal or alkaline-earth metal salts; said chains being grafted in the para position of the pentafluorophenyl groups; and at least one alkali metal or alkaline-earth metal salt, in particular a lithium salt. The invention also relates to a process for preparing a solid polymer electrolyte film and to the use thereof in an electrochemical system, in particular a lithium battery.

Abstract: The present invention relates to a comb polymer comprising a main chain formed from 1-ethenyl- and/or 1-allyl-2,3,4,5,6-pentafluorobenzene monomers and polymeric side chains grafted in the para position of the pentafluorophenyl groups, in which said polymeric side chains are linked to said main chain by an oxygen atom, the molar grafting rate of polymeric side chains being greater than or equal to 50%. It also relates to a method for the preparation of such a comb polymer.

Abstract: The invention relates to a monophasic electrolyte medium comprising: at least one alkaline-earth or alkaline metal salt, at least one hydrocarbon solvent, and between 1 and 50 vol. %, in relation to the total volume of said medium, of a hydrocarbon solubilising agent, different from said hydrocarbon solvent, of formula (I): Z-[(A)-(X)]q-(B)—Y.

Abstract: A method for preparing a film of solid polymer electrolyte, including: (i) providing a composition including, in one or more solvents, at least one (co)polymer of at least one cyclic monomer selected from lactones and cyclic carbonates with five to eight ring members; the (co)polymer or (co)polymers having free terminal hydroxyl functions; at least one crosslinking agent, at least one ionic conductive salt; and optionally, in the case of a crosslinking agent bearing at least one photosensitive reactive function, at least one photoinitiator compound; (ii) forming a dry film from the composition, in conditions unfavourable to crosslinking of the (co)polymer or (co)polymers; and (iii) bringing the film into conditions favourable to crosslinking of the (co)polymer or (co)polymers to form the film of solid polymer electrolyte. Also disclosed is a film of solid polymer electrolyte and use thereof in an electrochemical system, in particular in a lithium battery.

Abstract: A compound containing at least one species of formula (I): where: Ax? is an anion of valency x equal to 1 or 2 chosen from sulfonate, sulfonylimide of —SO2—N?—SO2CyF2y+1 type with y being an integer between 0 and 4; borate, borane, phosphate, phosphinate, phosphonate, silicate, carbonate, sulfide, selenate, nitrate and perchlorate anions; Cx+ is a counter-cation of the anion Ax?, chosen from a proton H+ and alkali metal and alkaline-earth metal cations; p is an integer ranging from 1 to 10; E is an organic spacer comprising a linear sequence of at least two covalent bonds; n is an integer greater than or equal to 2; and G represents: (a) a group or (b) a group the anion Ax? being covalently bonded to the polycyclic group Ar.

Abstract: Thermotropic ionic liquid crystal molecules, comprising a so-called rigid part, a so-called flexible part bonded covalently, directly or via a spacer, to said rigid part, and one or more ionic groups bonded covalently to said rigid part. Said molecules can be used as electrolytes in an electrochemical device, in particular a lithium-ion battery.

Abstract: The main purpose of the invention is an assembly and electrical connection part (2) of at least two electrical energy storage cells (1), that will be included in an electric assembly module (20) of an energy storage system, characterised in that the part (2) comprises first (3a) and second (3b) means of connecting the part (2) to said at least two electrical energy storage cells (1), the first (3a) and second (3b) connection means being configured to enable the passage of connection pins (4) to assemble and electrically connect the part (2) to each of said at least two electrical energy storage cells (1).

Abstract: The present invention relates to thermotropic ionic liquid crystal molecules of general formula (I) With E1 and E2, which may be identical or different, representing, independently of one another, a linear, saturated and unsubstituted C10 to C14 hydrocarbon-based radical, Ax? representing a sulfonate anion or a sulfonylimide anion of formula —SO2—N?—SO2CyF2y+1 with y being an integer ranging from 0 to 2 and Cx+ a sodium, lithium or potassium ion, most particularly advantageous for their conductivity performance qualities as an electrolyte in particular for lithium batteries.

Abstract: The present invention relates to asymmetric sulfonamide compounds comprising at least: one polycyclic group, Ar, formed of two to six rings, at least one of which is aromatic, a linear or branched, saturated or unsaturated aliphatic chain, said chain possibly being interrupted by one or more heteroatoms, said group Ar and said aliphatic chain being covalently bonded via a spacer represented by a sulfonamide unit —SO2—NH— or its anionic form —SO2—N?-; and, optionally a counter-cation of the anionic form of the sulfonamide unit, chosen among the alkali metals and the proton H+. These compounds are of particular interest as single-ion conducting polymer electrolyte.

Abstract: The invention relates to a process for functionalizing the electrically conductive or semi-conductive surface of an electrode by electro-grafting of a polymeric film obtained from an ionic liquid monomer, the cation of which bears at least one electro-polymerizable function. The invention is also directed toward a process for preparing a gelled electrolytic membrane at the surface of an electrode, by gelling the electro-grafted polymeric film, and also to the use of the electrode/electrolytic membrane assembly thus obtained in a lithium battery.

Abstract: The present invention relates to a lithium-ion battery including: a positive electrode including an active positive electrode material, and advantageously a lithium salt; an electrolyte including a lithium salt; and a negative electrode including an active negative electrode material, and advantageously a lithium salt. In this battery, the positive electrode, the negative electrode, and the electrolyte all three appear in the form of gels, and all three include a polymer and a dinitrile compound of formula N?C—R—C?N; R being a hydrocarbon group CnH2n, n being an integer between 1 and 2; the weight ratio of the dinitrile compound to the polymer being in the range from 60/40 to 90/10.

Abstract: The invention primarily relates to a cell (1) for storing power, which is to be integrated in an electrical module for assembling a power storage system, having a first surface (1a; 1c) and a second surface (1b; 1d), characterised in that the cell (1) comprises at least one male element (5; 5a, 5b, 5c) on one of the first (1a; 1c) and second (1b; 1d) surfaces thereof, and at least one female element (6; 6a, 6b, 6c) on the other of the first (1a; 1c) and second (1b; 1d) surfaces thereof, which elements are shaped such as to be fitted into one another such that the cell (1) is configured such as to be assembled to another cell (1) of the same type, in that at least one male element (5; 5a, 5b, 5c) comprises at least one electrical connection interface having positive polarity (8; 8a, 8b, 8c) and in that at least one female element (6; 6a, 6b, 6c) comprises at least one electrical connection interface having negative polarity (9; 9a, 9b), or conversely such that the cell (1) is configured such as to be electrica

Abstract: A process for manufacturing an elementary gas electrode electrochemical cell of metal-gas type, configured to be integrated into an electrochemical assembly module of a system for storing energy and including: an electrochemical core including at least one negative electrode and at least one positive electrode, at least one negative electrode as a gas electrode and at least one positive electrode as a metal electrode or vice versa, the process including: producing the electrochemical core of the cell by winding, folding, and/or stacking a plurality of layers including at least one negative-electrode layer, one positive-electrode layer, and one electrolyte layer, and forming gas flow spaces channeling the gas to the one or more gas electrode layers.

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: The present invention pertains to a fluoropolymer hybrid organic/inorganic composite, to a process for manufacturing said fluoropolymer hybrid organic/inorganic composite and films and membranes thereof and to uses of said fluoropolymer hybrid organic/inorganic composite and films and membranes thereof in various applications.