| abstract |
The present invention (I) at least one aprotic polar organic solvent having a flash point greater than 80 ° C. and a relative dielectric constant greater than 10 at 25 ° C. (Ii) at least one flame retardant and / or non-flammable solvent, (Iii) at least one compound of formula (I), R 1 —O (O) C— (CH 2 ) n —C (O) O—R 2 (I) (Where R 1 and R 2 are independently selected from C 1 -C 6 alkyl, n is 1, 2 or 3) (Iv) at least one conductive salt; (V) relates to an electrolyte composition containing at least one aprotic organic solvent having a dynamic viscosity of less than 1 mPas at 25 ° C., and (vi) optionally one or more additives. |