DIFLUOROBIS(OXALATO)PHOSPHATE COMPOSITION, AND PREPARATION METHOD THEREFOR AND USE THEREOF

The present invention relates to the technical field of battery electrolyte additives, and in particular to a difluorobis(oxalato)phosphate composition, and a preparation method therefor and a use thereof. The chemical formula of the composition is: MPF2(C2O4)2·xB, wherein M is an alkali metal, B is an organic solvent, X is a molar ratio, and 0.05