| abstract |
The present invention relates to an electrolyte composition comprising one or more compounds of the general formula: (I) In this formula, R 1 , R 2 and R 3 are independently of each other H, C 1 -C 12 alkyl, C 3 -C 6 (hetero) cycloalkyl, C 2 -C 12 alkenyl, C 2 -C 12 alkynyl, CN, NR'R ", CHO, C 5 -C 12 ( hetero) aryl, and C 6 -C 24 (hetero) is selected from aralkyl, wherein said alkyl, (hetero) cycloalkyl, alkenyl, alkynyl, (hetero) aryl And (hetero) aralkyl may be substituted with one or more substituents selected from CN, NR'R "and CHO; R 'and R "is selected independently from H and C 1 -C 6 alkyl with one another; With the proviso that at least one of R 1 , R 2 and R 3 is not H or C 1 -C 12 alkyl. |