| 학회 | 한국화학공학회 |
| 학술대회 | 2012년 봄 (04/25 ~ 04/27, 제주 ICC) |
| 권호 | 18권 1호, p.1220 |
| 발표분야 | 촉매 |
| 제목 | Large pore sized mesocellular carbon foam supporting high dispersions of Pd 3 Pt 1 nanoparticles for methanol-tolerant oxygen reduction reaction |
| 초록 | Pd 3 Pt 1 nanoparticles with methanol tolerance are supported on various carbon supports: mesocellular carbon foam (MSU-F-C), CMK-3, and Vulcan XC-72. The particle size of Pd 3 Pt 1 (~5 nm) is larger than the pore size of CMK-3 (~3 nm), resulting in the agglomeration of Pd 3 Pt 1 nanoparticles on the external surface of the CMK-3. The large pore size and high BET surface area (1084 m2 g-1) of MSU-F-C allows the easy formation of TPB phase and high dispersion of Pd 3 Pt 1 nanoparticles, which is of great importance for a fuel cell catalyst support. Due to its highly dispersed state, Pd 3 Pt 1 /MSU-F-C shows the superior ORR activity than Pd 3 Pt 1 /Vulcan XC-72 and Pd 3 Pt 1 /CMK-3. Pd 3 Pt 1 /MSU-F-C is methanol tolerant at 400 rpm in the presence of 0.5 M CH 3 OH, while methanol oxidation peaks are observed in the case of Pd 3 Pt 1 /Vulcan XC-72 and Pd 3 Pt 1 /CMK-3. The high methanol tolerance and high activity of the Pd 3 Pt 1 /MSU-F-C during an ORR suggests that it may be an economically viable candidate to become a cathode catalyst for a DMFC. |
| 저자 | 안선형 , 이진우 |
| 소속 | POSTECH |
| 키워드 | Fuel cell catalyst ; Mesoporous carbon ; Oxygen reduction reaction ; Methanol tolerance |
| VOD | VOD 보기 |
| 원문파일 | 초록 보기 |
