MATERIAL FOR ELECTROLYTIC SOLUTION, ELECTROLYTIC SOLUTION, AND SECONDARY BATTERY

摘要

PROBLEM TO BE SOLVED: To provide secondary battery which allows an excellent property to be achieved.SOLUTION: A secondary battery comprises: a positive electrode, a negative electrode, and an electrolytic solution. The electrolytic solution includes a material for electrolytic solution as well as a nonaqueous solvent and an electrolytic salt. The material for electrolytic solution includes: at least one of first unsaturated compound and a second unsaturated compound; and at least one of a phenol type compound, a phosphorus-containing compound and a sulfur-containing compound.