| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a secondary battery with a high capacity and superior stability in a charge and discharge cycle. <P>SOLUTION: In the secondary battery having a positive electrode, a negative electrode and an electrolyte, an active material of at least one of the positive or negative electrode contains a compound having a substructure represented by formula. Each of R<SP>1</SP>-R<SP>4</SP>in the formula represents a hydrogen atom, substituted/unsubstituted alkyl group, substituted/unsubstituted alkenyl group, substituted/unsubstituted aromatic hydrocarbon group, substituted/unsubstituted heterocyclic group, substituted/unsubstituted aralkyl group, halogen atom, hydroxyl group, nitro group, nitroso group, cyano group, carboxyl group, substituted/unsubstituted amino group, substituted/unsubstituted alkoxy group, substituted/unsubstituted aryloxy group, substituted/unsubstituted alkoxycarbonyl group, substituted/unsubstituted aryloxycarbonyl group, substituted/unsubstituted acyl group, or substituted/unsubstituted acyloxy group. <P>COPYRIGHT: (C)2004,JPO |
