| abstract |
Specific organic solvents selected from chain carbonates represented by the following general formula (1-1), esters represented by the following general formula (1-2) and phosphate esters represented by the following general formula (1-3) are alkali metals and alkalis. It is contained in molar ratio 1-8 with respect to the metal salt which uses earth metal or aluminum as a cation, and makes anion the chemical structure which consists of 2 or 3 types of elements chosen from boron, carbon, oxygen, halogen, phosphorus, and arsenic. Electrolyte characterized by the above-mentioned. R 10 OCOOR 11 Formula (1-1) R 12 COOR 13 General formula (1-2) OP (OR 14 ) (OR 15 ) (OR 16 ) General formula (1-3) |