Patent ID: 7312001
Filing Date: 2007-12-25
Classification: H01M,Y02E

Abstract:
1. A non-aqueous electrolytic solution comprising: a lithium salt; at least one organic solvent selected from the group consisting of diethyleneglycol dimethylether (CH at least one of compounds having formula (1) below: wherein 0.1-5 parts by weight of the at least one of compound having formula (1) is present with respect to 100 parts by weight of said organic solvent, and where R 1 is selected from the group consisting of a hydrogen atom, a halogen atom, a hydroxy group, a substituted or unsubstituted C 1 -C 20 alkyl group, a substituted or unsubstituted C 1 -C 20 alkoxy group, a substituted or unsubstituted C 1 -C 20 alkenyl group, a substituted or unsubstituted C 6 -C 30 aryl group, a substituted or unsubstituted C 6 -C 30 aryloxy group, a substituted or unsubstituted C 2 -C 30 heteroaryl group, a substituted or unsubstituted C 2 -C 30 heteroaryloxy group, and where R 3 is selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted C 1 -C 20 alkyl group, a substituted or unsubstituted C 1 -C 20 alkenyl group, a substituted or unsubstituted C 6 -C 30 aryl group, and a substituted or unsubstituted C 2 -C 30 heteroaryl group; and R 2 is selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted C 1 -C 20 alkyl group, a substituted or unsubstituted C 1 -C 20 alkenyl group, a substituted or unsubstituted C 6 -C 30 aryl group, and a substituted or unsubstituted C 2 -C 30 heteroaryl group.