Patent ID: 6303250
Filing Date: 2001-10-16
Classification: H01M,Y02E,Y02P,Y02T

Abstract:
A secondary battery comprising:a positive electrode comprising a positive electrode active material;a negative electrode comprising a negative electrode material; anda electrolytic solution comprising a nonaqueous solvent and at least one organic compound selected from the group consisting of: ##STR7##and compounds represented by formula 1: ##STR8##in which:R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are each independently (i) hydrogen, (ii) an aryl group, or (iii) an aryl group having a functional group containing a substituent having an electron attracting property; andat least one of R.sub.1, R.sub.2, R.sub.3, and R.sub.4 is either (ii) an aryl group, or (iii) an aryl group having a functional group containing a substituent having an electron attracting property; in which:the positive electrode active material comprises a transition metal complex oxide comprising lithium: andthe negative electrode material comprises a material capable of storing and releasing lithium ions.