| abstract |
PROBLEM TO BE SOLVED: To provide a non-volatile electrolytic solution for holding it on an electrode or an electrolyte layer. SOLUTION: At least one electrolyte salt selected from the group consisting of lithium salt, sodium salt, calcium salt and magnesium salt, a specific glyme compound or ionic liquid, a molecular weight of 200 or more and 400 or less, and a vapor pressure An electrolytic solution containing a specific viscosity reducing solvent having a viscosity of 1 Pa (20° C.) or less. [Selection diagram] Figure 1 |