A quaternary ammonium salt of the formula (1), electrolytic solution and electrochemical device using the salt
wherein R
1
is straight-chain or branched alkyl having 1 to 4 carbon atoms, R
2
is methyl or ethyl, and X
−
is a fluorine-containing anion.
一种公式为(1)的季
铵盐,以及使用该盐的电解液和电
化学装置,其中R1是1至4个碳原子的直链或支链烷基,R2是甲基或乙基,X-是含
氟阴离子。