Abstract: The present invention concerns a new method for the preparation of a Li-P-S product, as well as the products obtainable by said methods, and uses thereof especially as solid electrolytes.

Abstract: The present invention relates to a method of preparation of a garnet-type inorganic material. It also relates to the garnet-type inorganic material itself. The process comprises the following steps: (1) bringing an aqueous solution S comprising (i) a salt of zirconium, (ii) a salt of lanthanum and (iii) a salt of the element A or a precursor of an oxide of element A into contact with an aqueous solution of a basic compound, as a result of which a precipitate suspended in the reaction medium is obtained; (2) stirring the reaction medium obtained at the end of step (1) for at least 30 min; (3) bringing the precipitate obtained at the end of step (2) into contact with an additive selected in the group consisting of: anionic surfactants; nonionic surfactants; polyethylene glycols; carboxylic acids and their salts; and surfactants of the carboxymethylated fatty alcohol ethoxylate type; (4) calcining in air the precipitate recovered at the end of the previous step at a temperature which is at least 400° C.

Abstract: The present invention concerns a new method for the preparation of a Li—P—S product, as well as the products obtainable by said methods, and uses thereof especially as solid electrolytes.

Abstract: The present invention pertains to a lithium secondary battery comprising a cathode comprising a lithium-manganese-rich layered oxide as a cathode electroactive material and a liquid electrolyte comprising at least one fluorinated acyclic carbonate. The present invention also relates to use of a liquid electrolyte comprising at least one fluorinated acyclic carbonate in a lithium secondary battery, for improving the cycling performance, comprising a cathode comprising a lithium-manganese-rich layered oxide as a cathode electroactive material according to the present invention.

Abstract: The present invention pertains to a lithium secondary battery comprising a cathode comprising a lithium-manganese-rich layered oxide as a cathode electroactive material and a liquid electrolyte comprising at least one fluorinated acyclic carboxylic acid ester. The present invention also relates to use of a liquid electrolyte comprising at least one fluorinated acyclic carboxylic acid ester in a lithium secondary battery, for improving the cycling performance, comprising a cathode comprising a lithium-manganese-rich layered oxide as a cathode electroactive material according to the present invention.

Abstract: The present invention concerns new lithium rare earth halides that may be used as solid electrolytes or in electrochemical devices. The invention refers to a solution based process for the synthesis of such lithium rare earth halides.

Abstract: The present invention pertains to a solid material according to general formula (I) as follows having high calculated ionic conductivity and to a method for producing said solid material: Li7-2x-yMgxPS6-yXy??(I) wherein: X is a halogen selected from the group consisting of F, Cl, I and Br or a combination thereof; x is a number such as 0.01?x?0.4 and y is a number such as 0.5?y<1. The present disclosure also refers to the use of this solid material as solid electrolyte notably for electrochemical devices such as batteries.

Abstract: The present invention concerns a new process for the preparation of a solid sulfide material of formula (I): MaLibPcSdXe (I), wherein:—X represents at least one halogen clement:—a, b, c, d and e are real numbers;—a represents a number such as 0?a<9;—b represents a number such as 0<b?9;—2.0?a+b?9;—c represents a number such as 1.0?c?3.0;—d represents a number such as 1.0?d?11.0;—e represents a number such as 0<c?3.0;—M is an alkali metal selected from Na, K, Rb, Cs and Fr; as well as the products obtainable by said process, and uses thereof especially as solid electrolytes.

Abstract: The present invention pertains to a solid material according to general formula (I) as follows and to a method for producing said solid material: Li7-2x-yMgxPS6-yXy??(I) wherein: X is a halogen selected from the group consisting of F, Cl, I and Br or a combination thereof; x is a number such as 0.01?x?0.35 and y is a number such as 1.3?y?1.6. The present disclosure also refers to the use of this solid material as solid electrolyte notably for electrochemical devices such as batteries.

Abstract: The invention relates to a solid composite electrolyte comprising: i) at least one solid inorganic particle, ii) at least one ionic liquid electrolyte, and iii) at least one ionically non-conductive polymer, wherein the at least one solid inorganic particle i) is ionic conductive and is blended with the at least one ionic liquid electrolyte ii). The invention also relates to a process for manufacturing the solid composite electrolyte, to a solid state battery comprising the solid composite electrolyte, and to the use of said solid composite electrolyte in a solid state battery for improving ionic conductivity and mechanical properties.

Abstract: The present invention relates to the new process of preparation of a Li-rich layered oxide based on Mn and optionally on Ni and/or Co in which F is incorporated within the crystal of the oxide (or “fluorinated oxide”). It also relates to the new fluorinated oxide its use as a component in a cathode of a battery.

Abstract: Inorganic additive to trap transition metal ions in sodium ion batteries The present invention relates to a sodium ion battery comprising an inorganic transition metal cations trap such as hydroxyapatite. It also relates to a positive electrode, a negative electrode, an electrolyte and a separator comprising said inorganic transition metal cations trap.

Abstract: The present invention concerns a new method for the preparation of a Li—P—S—O product, as well as the products obtainable by said methods, and uses thereof especially as solid electrolytes.

Abstract: The invention relates to a Composition comprising or consisting essentially of a product according to formula (I): LiaPSbXc (I) wherein—X represents at least one halogen element; —a represents a number from 2.0 to 7.0; —b represents a number from 3.5 to 6.0; and—c represents a number from 0 to 3.0; in the form of particles or articles the size of which being such that less than 10 wt % of the composition pass through a sieve of 200 ?m.

Abstract: The present invention pertains to a continuous process for the manufacture of an electrode, to the electrode obtained therefrom and to an electrochemical device comprising said electrode.

Abstract: The present disclosure concerns a method for the preparation of lithium thiophosphate, as well as the products obtainable by said methods, and uses thereof especially as solid electrolytes. The method includes preparing a lithium thiophosphate including at least one step for the preparation of a solution S1 at a temperature T1 from ?200° C. to 10° C. followed by a step for removing at least a portion of the solvent from solution S1 to obtain lithium thiophosphate. The solution S1 includes a solvent and at least P species under the form of (PS4)3?, Li species under the form of Li+, and remaining sulfur under the form of polysulfide. followed by a step for removing at least a portion of the solvent from said solution S1 to obtain lithium thiophosphate.

Abstract: The present disclosure concerns a method for the preparation of lithium argyrodite, as well as the products obtainable by said methods, and uses thereof especially as solid electrolytes. The method includes at least one step for the preparation of a solution S1 at a temperature T1 from ?200° C. to 10° C. followed by a step for removing at least a portion of the solvent from said solution S1 to obtain Li6PS5X. The solution S1 includes a solvent and at least P species in the form of (PS4)3-, Li species in the form of Li+, X species in the form of X? and remaining sulfur in the form of polysulfide.

Abstract: The present invention concerns a new solid material according to general formula (I) as follows: Li4?2xZnxP2S6 (I) wherein 0<x?1. The invention also refers to a method for producing a solid material comprising at least bringing at least lithium sulfide, phosphorous sulfide, and a zinc compound, optionally in one or more solvents. The invention also refers to said solid materials and their use as solid electrolytes notably for electrochemical devices.

Abstract: Stable suspensions of silica particles in water-immiscible polar organic liquids are provided.

Abstract: The present invention pertains to a membrane for an electrochemical device, to a process for manufacturing said membrane and to use of said membrane in a process for manufacturing an electrochemical device.