Abstract
PtRu~1:1!/C catalysts were prepared by a process that was claimed previously to lead to nonalloyed Pt and Ru particles, using two different precursors, Ru nitrosyl nitrate and Ru chloride hydrate. Both X-ray diffraction and characterization by cyclic voltammetry point toward Pt and Ru being present as separate phases in the prepared, nonannealed catalysts. In combination with a high dispersion, this results in proton exchange membrane fuel cell ~PEMFC! anode electrocatalysts. These PEMFCs have improved hydrogen oxidation activity and CO tolerance.
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CITATION STYLE
Papageorgopoulos, D. C., de Heer, M. P., Keijzer, M., Pieterse, J. A. Z., & de Bruijn, F. A. (2004). Nonalloyed Carbon-Supported PtRu Catalysts for PEMFC Applications. Journal of The Electrochemical Society, 151(5), A763. https://doi.org/10.1149/1.1690286
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