リチウム二次電池用電解液、及び当該電解液を含む二次電池

摘要

A new electrolytic solution system for lithium secondary batteries. Provided is a lithium secondary battery electrolytic solution containing a nonaqueous solvent and a lithium salt. The nonaqueous solvent is mixed at an amount of not more than 3 mol with respect to 1 mol of the lithium salt.