| 학회 |
한국공업화학회 |
| 학술대회 |
2013년 봄 (05/01 ~ 05/03, ICC JEJU) |
| 권호 |
17권 1호 |
| 발표분야 |
포스터-에너지저장변환 |
| 제목 |
Edge-halogenated graphene nanoplatelets for oxygen reduction reaction in fuel cells |
| 초록 |
In fuel cells, platinum-based electrocatalysts are widely used for oxygen reduction reactions (ORR). However, platinum has several problems for commercial uses, because of high costs as well as poisoning by impurities. However, heteroatom-doped graphene nanoplatelets are known to have outstanding electrocatalytic activity due to high surface area, excellent conductivity and efficient charge polarization. Here, we report edge-selective halogenations of graphene nanoplatelets (XGnPs, X = Cl, Br, I) were simply prepared by ball-milling graphite in the presence of chlorine, bromine or iodine, respectively. The XGnPs displayed remarkable electrocatalytic activity toward ORR with high selectivity, tolerance to methanol crossover/CO poisoning effects, and long-term cycle stability. |
| 저자 |
최현정1, 전인엽1, 최민1, 서정민1, 정선민1, 김민정1, Zhang Lipeng2, Zhenhai Xia2, Liming Dai2, 박노정1, 백종범1
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| 소속 |
1울산과학기술대, 2Case western reserve Univ. |
| 키워드 |
graphene; oxygen reduction reaction; fuel cell; catalyst
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| E-Mail |
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