| abstract |
Process for the preparation of an inorganic oxide of formula (I) AaMm (YO4) and Zz in which: - A represents at least one element selected from alkali metals, alkaline earth metals, a doping element and a lagoon; - M represents (T1-tT't), T representing one or several transition metals and representing T 'at least one element selected from Mg, Ca, Al, and rare earths, 0 <= t <1; - Y represents at least one element selected from S, Se, P, As, Si, Ge and Al; - Z represents at least one element selected from F, O or OH; - a, m, and z are the stoichiometric coefficients and are null or positive real numbers, with the following conditions: * a, m, t, and yz are such that the electrical neutrality of the inorganic oxide of formula (I) is respected, * a > = 0; m> 0; y> 0 * z> = 0; from precursors of the elements constituting the inorganic oxide of formula (I), dichoprocediment being characterized in that it comprises the following steps: i) the dispersion of said precursors in a support liquid comprising one or more ionic liquids constituted by a cation and an anion whose electrical charges are balanced, to obtain a suspension of said precursors in said liquid, ii) the heating of said suspension at a temperature of 25 to 380 ° C, iii) the separation of said ionic liquid and the inorganic oxide of formula (I) which comes from the reaction between said precursors. |