Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
180904 | Electrochemistry Communications | 2009 | 4 Pages |
Abstract
We have demonstrated a new, cost effective synthesis of single-walled carbon nanotube supported Pt–Fe core–shell alloy catalyst (Pt–Fe/SWNT) for the direct methanol fuel cell using galvanic exchange reaction. The Pt–Fe/SWNTs have shown much larger Pt active surface area (150 m2/g-Pt) than the commercial catalyst (54 m2/g-Pt). Furthermore, four-fold enhancement of catalytic activity of the Pt–Fe/SWNTs for oxygen reduction reaction (ORR) has been observed. This catalyst has also demonstrated its tolerance to methanol in ORR.
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Physical Sciences and Engineering
Chemical Engineering
Chemical Engineering (General)
Authors
Kenichi Shimizu, I. Francis Cheng, Chien M. Wai,