A pentacyclic anion salt is provided for use thereof in electrolyte compositions. The compound has 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 perflouroalkyl 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 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.
提供一种五环阴离子盐,用于在电解质组合物中使用。该化合物具有一个无机、有机或有机
金属阳离子M,其价数为m(1≦m≦3),以及与公式(I)对应的m个阴离子,其中Rf是一个—CFZ′Z″基团,其中Z′是F或具有1至3个碳原子的
全氟烷基基团,Z″是一个H、F或Cl基团,一个可选择
氟化或
全氟烷氧基团,具有1至5个碳原子,一个可选择
氟化或
全氟氧烷氧基团,具有1至5个碳原子,或一个可选择
氟化或
全氟烷基基团,具有1至5个碳原子;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。