Di-(3-diaminopropyl)-viologen (DAPV) was used as a foreign molecule within electrolyte during electrodeposition of MnO(2) (MnO(2)-V) for the first time, wherein, higher oxygen evolution rate induced by DAPV showed increase in surface roughness and porosity. The MnO(2)-V electrode showed a specific capacitance, SC of 229 F/g which was about five times higher than MnO(2) without DAPV, MnO(2)-N (48 F/g) at the scan rate of 10 mV/s. in presence of DAPV, at the MnO(2)/current collector interface, lower contact resistance was obtained from electrochemical impedance spectroscopy measurement. Finally, diminished electrical conduction and interference of ion diffusion caused by residual MnO(2) resulted in decrease of SC with an addition of deposition charges. Sustainable stability for electrochemical supercapacitor electrode was observed in MnO(2)-V by investigating subsequent charge-discharge cycling. (C) 2008 Elsevier B.V. All rights reserved.