Abstract: The invention relates to an ionic liquid, comprising the association of a cation, chosen from the following cations of formulas (I) to (III): in which: —R1 to R4 for formulas (I) and (II), and R1 to R3 for formula (III) represent, independently from one another, a hydrogen atom or an aliphatic or cyclic hydrocarbon group, under the condition that at least one of the groups R1 to R4, for formulas (I) and (II) and at least one of the groups R1 to R3 for formula (III) represents an aliphatic hydrocarbon group comprising at least two carbon atoms and at least one of the groups R1 to R4 for formulas (I) and (II) and at least one of the groups R1 to R3 for formula (III) represents a hydrogen atom; and an anion chosen from the following anions of formulas (IV) and (V): in which: —R5 is a cyclic hydrocarbon group; —n1 is an integer equal to 1, 2, 3, 4, 5 or 6; and—n2 is an integer equal to 1, 2, 3 or 4.

Abstract: A specific hydrogel material for decontaminating areas comprising organophosphorus compounds.

Abstract: The invention relates to a composition comprising an ionic liquid consisting in the combination of a pyrrolidinium cation and a nitrate anion and comprising a solvent selected from lactone solvents, carbonate solvents, nitrile solvents and mixtures thereof. The composition may be used as an electrolyte, for example, for such applications as energy storage devices.

Abstract: The invention relates to a method for controlling the functioning of a fuel cell comprising at least one membrane, comprising the following steps: putting at least two conductive means in contact with two different surface elements of the same first conductive plate, said plate being able to be a distribution plate belonging to a first cell, measurement of one or more electrical voltages between said conductive means electrically connected to an electrical-voltage measurement device.

Abstract: The invention relates to a method for controlling the functioning of a fuel cell comprising at least one membrane, comprising the following steps: putting at least two conductive means in contact with two different surface elements of the same first conductive plate, said plate being able to be a distribution plate belonging to a first cell, measurement of one or more electrical voltages between said conductive means electrically connected to an electrical-voltage measurement device.

Abstract: The invention relates to sulfonate compounds with the following formula (I): in which: R2 represents an ethyl group, an n-propyl group or an isopropyl group; when R2 is an ethyl group, R1 is an ethyl group, an n-propyl group or an n-butyl group; when R2 is an n-propyl group, R1 is a methyl group, an ethyl group, an n-propyl group or an n-butyl group; or when R2 is an isopropyl group, R1 is a methyl group, an ethyl group, an n-propyl group or an n-butyl group. Use of these compounds as electrolyte solvent for lithium batteries.

Abstract: The invention relates to an ionic liquid, comprising the association of a cation, chosen from the following cations of formulas (I) to (III): in which: —R1 to R4 for formulas (I) and (II), and R1 to R3 for formula (III) represent, independently from one another, a hydrogen atom or an aliphatic or cyclic hydrocarbon group, under the condition that at least one of the groups R1 to R4, for formulas (I) and (II) and at least one of the groups R1 to R3 for formula (III) represents an aliphatic hydrocarbon group comprising at least two carbon atoms and at least one of the groups R1 to R4 for formulas (I) and (II) and at least one of the groups R1 to R3 for formula (III) represents a hydrogen atom; and an anion chosen from the following anions of formulas (IV) and (V): in which: —R5 is a cyclic hydrocarbon group; —n1 is an integer equal to 1, 2, 3, 4, 5 or 6; and—n2 is an integer equal to 1, 2, 3 or 4.

Abstract: This invention concerns copolymers that may be used for incorporation into electrolytic membranes for lithium generators, comprising at least one vinyl ether repetitive unit comprising a pendant cyclic carbonate group.

Abstract: The invention relates to lithium batteries comprising at least one electrochemical cell comprising an electrolyte conducting lithium ions comprising at least one sulfone solvent, at least one additive selected from among anhydride compounds and at least one lithium salt, which electrolyte is positioned between a positive electrode comprising, as an active material, a lithiated oxide of formula LiNi0.4Mn1.6O4 or LiNi0.5Mn1.5O4 and a negative electrode comprising, as an active material, Li4Ti5O12.

Abstract: The invention relates to a method for controlling the functioning of a fuel cell comprising at least one membrane, comprising the following steps: putting at least two conductive means in contact with two different surface elements of the same first conductive plate, said plate being able to be a distribution plate belonging to a first cell, measurement of one or more electrical voltages between said conductive means electrically connected to an electrical-voltage measurement device.

Abstract: The present invention relates to ionic liquids comprising, as cation, a specific phosphonium cation, as anion, a formate anion, which can be used, alone or as a mixture, to constitute electrolytes for energy storage devices.

Abstract: The disclosure relates to compounds of following formula (I): where: X corresponds to a repeat unit of following formula (II): or to a sequence of said repeat units of formula (II), and R1 and R2 are each independently an alkyl group. The disclosure further relates to the use of these compounds as organic solvents of at least one lithium salt.

Abstract: The disclosure relates to fluorinated compounds of following formula (I): where: X1 is a sulfur atom; X2 and X3 are an oxygen atom or sulfur atom provided that, if one of said X2 and X3 is a sulfur atom, the other of said X2 and X3 is an oxygen atom and vice versa; and R1, R2 and R3 are each independently a fluorine atom or hydrogen atom, provided that at least one of said R1, R2 and R3 is a fluorine atom. The disclosure further relates to use of these compounds as organic solvents of at least one lithium salt.

Abstract: The invention relates to sulfonate compounds with the following formula (I): in which: R2 represents an ethyl group, an n-propyl group or an isopropyl group; when R2 is an ethyl group, R1 is an ethyl group, an n-propyl group or an n-butyl group; when R2 is an n-propyl group, R1 is a methyl group, an ethyl group, an n-propyl group or an n-butyl group; or when R2 is an isopropyl group, R1 is a methyl group, an ethyl group, an n-propyl group or an n-butyl group. Use of these compounds as electrolyte solvent for lithium batteries.

Abstract: The invention relates to a method for functionalization of inorganic particles by polymers comprising at least one recurrent unit bearing at least one proton exchange group comprising the following steps: a) a step for functionalization of inorganic particles by an anionic polymerization termination agent comprising at least one group capable of being bound to the surface of said particles; b) a step for anionic polymerization of at least one monomer bearing at least one precursor group of a proton exchange group; c) a step for putting the particles obtained in step a) in contact with the polymers obtained in step b), in return for which the obtained particles are particles functionalized by said polymers by reaction between a reactive end of said polymeric polymers and at least one group of the aforementioned termination agent; and d) a step for transformation of the precursor group(s) of said proton exchange group(s).

Abstract: The invention relates to novel copolymers and to an associated preparation method, comprising recurrent units bearing a pendant chain of the polyoxyalkylene type.

Abstract: Copolymers comprising at least one recurrent unit of the following formula (I) are provided: and at least one recurrent unit of the following formula (II): wherein: R1 is an alkylene group; Z is a —PO3R3R4, R3 and R4 representing independently of each other, a hydrogen atom an alkyl group, a cation; X and Y represent, independently of each other, a halogen atom, a perfluorocarbon group.

Abstract: The invention relates to a composition comprising an ionic liquid consisting in the combination of a pyrrolidinium cation and a nitrate anion and comprising a solvent selected from lactone solvents, carbonate solvents, nitrile solvents and mixtures thereof. The composition may be used as an electrolyte, for example, for such applications as energy storage devices.

Abstract: The invention relates to a method for preparing a composite material comprising a polymeric matrix and a filler consisting in ion exchange inorganic particles, comprising a step for synthesis in situ of said particles within the polymeric matrix.

Abstract: The invention relates to electrolytic compositions comprising: at least one coordination complex comprising lithium and one or several ligands thereof, this (these) ligand(s) corresponding to a phenate compound comprising at least one trifluoromethyl group; and at least one carbonate solvent.