Abstract
A prominent methanol-tolerant characteristic of the PtCeOx/C electrocatalyst was found during oxygen reduction reaction process. The carbon-supported platinum modified with cerium oxide (PtCeOx/C) as cathode electrocatalyst for direct methanol fuel cells was prepared via a simple and effective route. The synthesized electrocatalysts were characterized by X-ray diffraction and transmission electron microscopy. It was found that the cerium oxide within PtCeOx/C present in an amorphous form on the carbon support surface and the PtCeOx/C possesses almost similar disordered morphological structure and slightly smaller particle size compared with the unmodified Pt/C catalyst.
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Acknowledgments
The authors are grateful for the financial sponsors of State Key High Technology Research Program of China (863 Program, 2001AA323060 and 2003AA517062), Nature Science Foundation of China (20373068, 20433060) and Science and Technology Plan Project of Changchun (2004206).
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Wang, X., Xu, W., Zhou, X. et al. PtCeOx/C as a novel methanol-tolerant electrocatalyst of oxygen reduction for direct methanol fuel cells. J Solid State Electrochem 13, 1449–1453 (2009). https://doi.org/10.1007/s10008-008-0720-2
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DOI: https://doi.org/10.1007/s10008-008-0720-2