SO2-BASED ELECTROLYTE FOR A RECHARGEABLE BATTERY CELL, AND RECHARGEABLE BATTERY CELLS

This disclosure relates to an SO-based electrolyte for a rechargeable battery cell containing at least one conducting salt of the Formula (I) wherein M is a metal selected from the group consisting of alkali metals, alkaline earth metals, metals of group 12 of the periodic table of the elements and aluminum; x is an integer from 1 to 3; the substituents R, R, Rand Rare each independently selected from the group consisting of C-Calkyl, C-Calkenyl, C-Calkynyl, C-Ccycloalkyl, C-Caryl, and C-Cheteroaryl; and Z is aluminum or boron.