Patent ID: 7781105

Claim:
An organic electrolytic solution comprising: a lithium salt; an organic solvent comprising a high dielectric constant solvent and a low boiling point solvent; and a compound represented by formula (1): where R 1 and R 2 are each independently selected from the group consisting of a hydrogen atom, a halogen atom, a hydroxyl group, a substituted or unsubstituted alkyl group having from 1 to 20 carbon atoms, a substituted or unsubstituted alkoxy group having from 1 to 20 carbon atoms, a substituted or unsubstituted alkenyl group having from 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having from 6 to 30 carbon atoms, a substituted or unsubstituted aryloxy group having from 6 to 30 carbon atoms, a substituted or unsubstituted heteroaryl group having from 2 to 30 carbon atoms, and a substituted or unsubstituted heteroaryloxy group having from 2 to 30 carbon atoms; R 3 through R 8 are each independently selected from the group consisting of a hydrogen atom, a halogen atom, a hydroxyl group, a substituted or unsubstituted alkyl group having from 1 to 20 carbon atoms, a substituted or unsubstituted alkoxy group having from 1 to 20 carbon atoms, a substituted or unsubstituted alkenyl group having from 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having from 6 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having from 7 to 40 carbon atoms, a substituted or unsubstituted aryloxy group having from 6 to 30 carbon atoms, a substituted or unsubstituted heteroaryl group having from 2 to 30 carbon atoms, and a substituted or unsubstituted heteroaryloxy group having from 2 to 30 carbon atoms; and n is an integer from 0 to 4.