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Activated Carbon Fiber Supported PtRu Hollow Nanospheres and PtRu Nanoparticles for Methanol Electrooxidation

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Abstract:

Activated carbon Fiber supported PtRu hollow nanospheres have been prepared by a replacement reation in a homogeneous solution with cobalt nanoparticles as sacrificial templates. The morphology, elemental composition, structure and electrocatalytic properties of the PtRu hollow nanospheres have been investigated by transmission electron microscopy, energy dispersive X-ray spectroscopy, X-ray diffraction and typical electrochemical methods, respectively. The results indicate that the ACF supported PtRu hollow nanospheres show a high activity and stability for electrocatalytic oxidation of methanol as compared to co-reduced solid PtRu nanoparticles. The reasons of the high electrocatalytic activity due to the high surface area resulted from the hollow nanosphere structure with porous shell.

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Periodical:

Advanced Materials Research (Volumes 347-353)

Pages:

3641-3644

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.347-353.3641

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Online since:

October 2011

Authors:

Hui Xing Huang, Shao Bin Huang, Shui Xia Chen

Keywords:

Activated Carbon Fiber (ACF), Hollow PtRu Nanospheres, Methanol Electroxidation.

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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