| abstract |
An electrolytic solution containingn a specific organic solvent at a mole ratio of 1-8 relative to a metal salt, the specific organic solvent being selected from a linear carbonate represented by general formula (1-1) below, an ester represented by general formula (1-2) below, and a phosphoric ester represented by general formula (1-3) below, the metal salt being a metal salt whose cation is an alkali metal, an alkaline earth metal, or aluminum and whose anion has a chemical structure including two or three types of elements selected from boron, carbon, oxygen, a halogen, phosphorus, and arsenic, whereinn nR 10 OCOOR 11 general formula (1-1)n nR 12 COOR 13 general formula (1-2)n nOP(OR 14 )(OR 15 )(OR 16 ) general formula (1-3). |