Patent ID: 6767671
Filing Date: 2004-07-27
Classification: H01M,Y02E

Abstract:
A non-aqueous electrolytic solution comprising an organic solvent and a lithium salt, which further contains a pyridine compound represented by the following formula (1): wherein R1 to R5 each independently represents a hydrogen atom or a substituent composed of an alkyl group having 1 to 20 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, an aryloxy group having 6 to 10 carbon atoms, and a dialkylamino group having 2 to 8 carbon atoms, with the proviso that, at least one of R1 to R5 represents aforesaid substituent and that, when each of R1 to R5 are a hydrogen atom or an alkyl group, at least one of R1 to R5 is an alkyl group having 4 or more carbon atoms and that, when R1 to R5 each independently represents a phenyl group, two or more of R1 to R5 represent phenyl groups.