The invention relates to a pentacyclic anion salt and to the use thereof in electrolyte compositions. The compound comprises an inorganic, organic or organometallic cation M of valency m (1≦m≦3) and m anions corresponding to the formula (I) in which R
f
is a —CFZ′Z″ group in which Z′ is F or a perfluoroalkyl group having from 1 to 3 carbon atoms, and Z″ is an H, F or Cl group, an optionally fluorinated or perfluorinated alkoxy group having from 1 to 5 carbon atoms, an optionally fluorinated or perfluorinated oxaalkoxy group having from 1 to 5 carbon atoms or an optionally fluorinated or perfluorinated alkyl group having from 1 to 5 carbon atoms; Z″ being other than F when Z′ is F. An electrolyte composition comprises said salt in solution in a liquid solvent or a polymer solvent.
该发明涉及一种五环阴离子盐及其在电解质组合物中的应用。该化合物包括一个价数为m(1≦m≦3)的无机、有机或有机
金属阳离子M,以及与
化学式(I)相对应的m个阴离子,其中Rf是一个—CFZ′Z″基团,其中Z′为F或具有1至3个碳原子的
全氟烷基基团,Z″为H、F或Cl基团,或者是具有1至5个碳原子的可选
氟化或
全氟化烷氧基团,具有1至5个碳原子的可选
氟化或
全氟化氧烷氧基团,或者是具有1至5个碳原子的可选
氟化或
全氟化烷基基团;当Z′为F时,Z″不是F。电解质组合物包括所述盐溶解在液体溶剂或聚合物溶剂中。