4.8 Article

PtMo Alloy and MoOx@Pt Core-Shell Nanoparticles as Highly CO-Tolerant Electrocatalysts

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 131, Issue 20, Pages 6924-+

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ja901303d

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Funding

  1. DOE [DE-FG02-05ER15731, DE-FG02-03ER15476, DE-FG02-05ER15688]
  2. University of Maryland Energy Research Center (UMERC)
  3. U.S. Department of Energy (DOE) [DE-FG02-05ER15731] Funding Source: U.S. Department of Energy (DOE)

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PtMo alloy and MoOx@Pt core-shell nanoparticles (NPs) were successfully synthesized by a chemical coreduction and sequential chemical reduction method, respectively. Both the carbon-supported alloy and core-shell NPs show substantially higher CO tolerance, compared to the commercialized E-TEK PtRu alloy and Pt catalyst. These novel nanocatalysts can be potentially used as highly CO-tolerant anode etectrocatalysts in proton exchange membrane fuel cells.

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