| abstract |
An electrolyte composition (A) containing (i) at least one aprotic organic solvent; (ii) at least one conducting salt; (iii) at least one compound of formula (I) wherein A 1 , A 2 , A 3 , A 4 , A 5 , and A 6 are independently from each other selected from H and F, wherein at least one of the group A 1 , A 2 , A 3 , A 4 , A 5 , and A 6 is F; R is selected from R 1 , and C(O)OR 1 , and R 1 is selected from C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl, C 2 -C 6 alkenyl, C 3 -C 6 cycloalkenyl, C 5 -C 7 (hetero)aryl, and C 2 -C 6 alkinyl, wherein alkyl, cycloalkyl, alkenyl, cycloalkenyl, (hetero)aryl, and alkinyl may be substituted by one or more F; and (iv) optionally at least one further additive. |