Patent ID: 8357471

Claim:
A secondary battery having a cathode, an anode and an electrolyte solution for secondary battery characterized in that the electrolyte solution for secondary battery comprises at least an aprotic solvent having an electrolyte dissolved therein and a compound represented by the following general formula (1): wherein R 1 and R 4 independently represent an atom or a group selected from a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 5 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 5 carbon atoms, a substituted or unsubstituted fluoroalkyl group having 1 to 5 carbon atoms, a polyfluoroalkyl group having 1 to 5 carbon atoms, —SO 2 X 1 , wherein X 1 is a substituted or unsubstituted alkyl group having 1 to 5 carbon atoms, —SY 1 , wherein Y 1 is a substituted or unsubstituted alkyl group having 1 to 5 carbon atoms, —COZ, wherein Z is a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 5 carbon atoms, and a halogen atom; and R 2 and R 3 independently represent an atom or a group selected from a substituted or unsubstituted alkyl group having 1 and 3 to 5 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 5 carbon atoms, a substituted or unsubstituted phenoxy group, a substituted or unsubstituted fluoroalkyl group having 1 to 5 carbon atoms, a polyfluoroalkyl group having 1 to 5 carbon atoms, a substituted or unsubstituted fluoroalkoxy group having 1 to 5 carbon atoms, a polyfluoroalkoxy group having 1 to 5 carbon atoms, a hydroxyl group, a halogen atom, —NX 2 X 3 , wherein X 2 and X 3 independently represent a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 5 carbon atoms, and —NY 2 CONY 3 Y 4 , wherein Y 2 to Y 4 independently represent a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 5 carbon atoms.