초록 |
In order to improve electrochemical performance, the porous carbon nanofibers for electrode were coated using various concentrations of polyaniline(PANI) solution. The pore structure of the prepared samples was assessed by N2 adsorption at 77 K with a volumetric apparatus (Micromeritics Ins. Corp., USA). The untreated or treated electrode was used as the working electrode, Ag/AgCl was used as the reference electrode, and plate material evaluating cell (ALS Co., Ltd., Japan) used a three-electrode assembly. Cyclic voltammetry(CV) of the electrode materials was performed in a potential range of 0-1V at differing scan rates of 5 and 50 mV/s. All of the electrochemical measurements were performed in 1 M H2SO4 electrolyte. |