Provided is an electrolyte salt comprising a quaternary ammonium cation indicated by formula (1) and a trimethylsilyl alkanesulfonate anion indicated by formula (2).
(In the formula, R
1
-R
4
each independently indicate a C1-4 alkyl group or an alkoxyalkyl group indicated by —(CH
2
)
n
—OR. Any two among R
1
-R
4
can mutually bond and form a ring together with a nitrogen atom to which same have bonded. The remaining two can mutually bond and form a spiro ring having a nitrogen atom as the spiro atom therefor. R indicates a methyl group or an ethyl group. n indicates 1 or 2 and m indicates 2 or 3.)
提供的是一种电解质盐,包括由式(1)表示的季
铵阳离子和由式(2)表示的三甲基
硅烷烷
磺酸盐阴离子。(在式中,R1-R4分别表示一个C1-4烷基或一个由—(
CH2)n—OR表示的烷氧基烷基。R1-R4中的任意两个可以相互结合,并与它们结合的氮原子一起形成一个环。其余的两个可以相互结合,并形成一个以氮原子为螺旋原子的螺环。R表示一个甲基或一个乙基。n表示1或2,m表示2或3。)