ELECTROLYTE FOR NONAQUEOUS SECONDARY BATTERY, NONAQUEOUS SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, POWER TOOL, AND ELECTRONIC APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a nonaqueous secondary battery capable of achieving an excellent battery characteristic.SOLUTION: The nonaqueous secondary battery includes electrolyte along with a positive electrode and a negative electrode. The electrolyte includes: nonaqueous solvent; electrolyte sa and at least either one of disulfonyl compound expressed in R1-N-[S(=O)-X1], where R1 is a hydrocarbon group or the like and X1 is a halogen group, and a disulfinylated compound expressed in R2-N-[S(=O)-X2], where R2 is a hydrocarbon group or the like and X2 is a halogen group.