| abstract |
(57) A non-aqueous electrolyte solution capable of obtaining a secondary battery having a high capacity and excellent storage characteristics and safety is provided. A non-aqueous electrolyte solution in which a lithium salt is dissolved in a non-aqueous organic solvent, the non-aqueous organic solvent comprising: A non-aqueous electrolytic solution containing (a) an aromatic hydrocarbon or an aromatic ether, and (b) a bis-organic sulfonate compound represented by the following general formula (1). (Wherein X represents an alkylene group having 2 to 4 carbon atoms, R 1 And R 2 each independently represents a hydrocarbon group) |