| 摘要 |
PROBLEM TO BE SOLVED: To provide an electrolyte for a lithium secondary battery, which achieves improvement in various characteristics such as high capacity, cycle characteristics, high-temperature storage characteristics, continuous charging characteristics, overcharge characteristics and the like, in particular, storage characteristics, and to provide a lithium secondary battery.SOLUTION: The nonaqueous electrolyte obtained by dissolving a lithium salt in a nonaqueous organic solvent is characterized by containing: a chain carboxylic acid ester in an amount of 5-70 mass% based on the mass of the nonaqueous electrolyte; and a compound having two or more isocyanate groups. |
