A nonaqueous solvent for an electrical storage device disclosed in the present application includes fluorine-containing cyclic saturated hydrocarbon having a structure represented by the following general formula (1) in which one or two substituents R are introduced into a cyclopentane ring; and a compound having a relative dielectric constant of 25 or higher (in general formula (1), R is represented by C
n
X
2n+1
where n is an integer of 1 or greater, at least one of (2n+1) pieces of X's is F, and the other X's are H).
本申请所披露的用于电储存设备的非
水溶剂包括具有以下一般式(1)所表示的含
氟环状饱和烃,其中在
环戊烷环中引入一个或两个取代基R;以及具有相对介电常数为25或更高的化合物(在一般式(1)中,R由CnX2n+1表示,其中n是大于等于1的整数,(2n+1)个X中至少有一个是F,其余的X是H)。