abstract |
(57) [Summary] [Constitution] Pyridine and its derivatives, pyrazine and its derivatives, aniline and its derivatives, alkylnitrile, N, N At least one nitrogen-containing compound selected from the group consisting of dialkylacetamide, N-alkylformamide, trialkylamine and N-methyl-2-pyrrolidone. According to the present invention, the storage characteristics of a lithium battery provided with an electrolytic solution containing a halogen-containing compound as a single solvent or as a component of a mixed solvent are improved. |