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

摘要

PROBLEM TO BE SOLVED: To provide a secondary battery capable of obtaining excellent battery characteristics.SOLUTION: The secondary battery includes a cathode, an anode, and an electrolyte. The electrolyte contains an unsaturated cyclic carbonate and at least one of an aromatic compound, a dinitrile compound, a sulfinyl compound, and a lithium salt.