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- Lee, Jae Sung
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Pt/WC as an anode catalyst for PEMFC: Activity and CO tolerance
- Alternative Title
- Pt/WC as an anode catalyst for PEMFC: Activity and CO tolerance
- Author(s)
- Ham, Dong Jin, Kim, Young Kwon, Han, Seung Hyun, Lee, Jae Sung
- Issued Date
- 2008-03
- Citation
- CATALYSIS TODAY, v.132, no.1-4, pp.117 - 122
- Abstract
- A mesoporous tungsten carbide of WC-phase was synthesized by using ammonium meta tungstate as tungsten precursor and resorcinol-formaldehyde polymer as carbon source in the presence of a surfactant. The platinum supported on this material with a low loading (7.5 wt%) served as an effective CO tolerant electro anode catalyst. The Pt[WC catalyst showed two times higher activity per mass of Pt for hydrogen electrooxidation compared to a commercial Pt/C catalyst (E-Teck). In addition, it exhibited much improved resistance to CO poisoning relative to the Pt/C catalyst. Since the catalyst is also stable in electrochemical environment, it could become an alternative anode catalyst for PEMFC. (C) 2007 Elsevier B.V. All rights reserved
- Publisher
- ELSEVIER SCIENCE BV
- ISSN
- 0920-5861
- Keyword (Author)
- Pu/WC, mesoporous, CO tolerance, hydrogen oxidation, fuel cells
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