| 摘要 |
PROBLEM TO BE SOLVED: To provide an electrolyte for an electric double-layer capacitor which has high capacitance retention and superior durability, even if charged with a high voltage of about 3 V applied thereon, and to provide an electric double-layer capacitor.SOLUTION: The electrolyte for the electric double-layer capacitor includes an ionic liquid and a compound represented by formula (1) (in the formula (1), Rand Rare the same or different and are each a straight/branched 1-4C alkyl or alkyl fluoride; Rto Rare the same or different and are each an H, halogen atom, methyl or fluorinated methy; and m and n are each an integer of not less than 0, and m+n is 1 to 6). |
