Patent ID: 8101297

Claim:
An organic electrolytic solution comprising: a lithium salt; a non-aqueous organic solvent; and a compound represented by Formula 1 below: wherein n is an integer of 1 to 5, Z is an electron withdrawing group, and R 1 , R 2 , R 3 , R 4 , and R 5 are each independently a hydrogen atom, a halogen atom, a nitro group, a cyano group, a carboxyl group, an acyl group, a sulfonyl group, a carboxyaldehyde group, a carboxyamido group, a quaternary amine group, a substituted or unsubstituted C 2-30 acyl group, a substituted or unsubstituted C 1-20 alkyl group, a substituted or unsubstituted C 1-20 heteroalkyl group, a substituted or unsubstituted C 2-20 alkenyl group, a substituted or unsubstituted C 2-20 alkynyl group, a substituted or unsubstituted C 6-30 aryl group, a substituted or unsubstituted C 6-30 heteroaryl group, a substituted or unsubstituted C 7-30 alkylaryl group, a substituted or unsubstituted C 7-30 arylalkyl group, a substituted or unsubstituted C 6-30 aryloxy group, a substituted or unsubstituted C 1-20 alkoxy group, a substituted or unsubstituted C 2-20 alkoxycarbonyl group, a substituted or unsubstituted C 7-30 aryloxycarbonyl group, a C 8-30 aralkyloxycarbonyl group, or a substituted or unsubstituted C 1-20 haloalkyl group.