| 초록 |
Direct methanol fuel cell (DMFC) anode is limited by poor electrochemical activity for methanol oxidation. Thus, a large amount of Pt-based electrocatalysts must be used and is considerably important for high power density in DMFCs. In this study, core-shell nanostructured carbon materials with pristine carbon black (CB) particle as a core and poly(3,4-ethylenedioxy thiophene) (PEDOT) as a shell were synthesized using emulsion polymerization. CB/PEDOT core-shell nanostructure was confirmed by transmission electron microscopy (TEM), X-ray diffraction (XRD), thermogravimetric analysis (TGA) and fourier transform-infrared spectroscopy (FT-IR). Also, electrical properties of all samples were measured. Consequently, it was possible to obtain PEDOT-coated carbon black nanostructure with 20-25nm thickness of shell. Besides, electrical conductivity of CB/PEDOT increased with increasing PEDOT content. |
