In this study, the characteristics of supercapacitor of hydrous ruthenium oxide mixed with carbon nanotubes additive were examined. The cathodic deposition was used, which was fast and easy to prepare the electrode of supercapacitor. Specimens were prepar In this study, the characteristics of supercapacitor of hydrous ruthenium oxide mixed with carbon nanotubes additive were examined. The cathodic deposition was used, which was fast and easy to prepare the electrode of supercapacitor. Specimens were prepar