Electrolytic solution for non-aqueous secondary battery and non-aqueous secondary battery

An electrolytic solution for a non-aqueous secondary battery comprising:

• an electrolyte;
• an organic solvent;
• and
• a compound represented by any of General Formulae (I) to (III),
• in the formulae, M represents a transition metal,
• R1, R2, and R3 each independently represent an alkyl group, an alkylsilyl group, an alkenyl group, an alkynyl group, an alkoxy group, a thioalkoxy group, an amino group, an amide group, an acyloxy group, a cyano group, a carboxy group, a carbonyl group-containing group, a sulfonyl group-containing group, a phosphino group, or a halogen atom, a represents an integer of 0 to 5, b represents an integer of 0 or more, c represents an integer of 0 to 5,
• Ar1 represents an aromatic ring, and, in General Formula (II), a plurality of Ar1's may be linked together, and
• Ar2 represents a nitrogen-containing aromatic hetero ring.