期刊
MICRO & NANO LETTERS
卷 8, 期 1, 页码 23-26出版社
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/mnl.2012.0774
关键词
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资金
- National Natural Science Foundation of China [21163018]
- National Science Foundation for Post-doctoral Scientists of China [20110490847, 2012T50587]
- Guangdong Key Lab for Fuel Cell Technology
- DST/NRF Innovation [SFP20110918000027143]
The electrocatalytic performance of commercial PtRu/C is significantly enhanced by directly mixing a few SnO2 nanoparticles. The composite catalysts show enhanced CO oxidation, higher activity and better stability than commercial PtRu/C. Among the different ratios of SnO2 nanoparticles (10-40%), the SnO2-PtRu/C (20%) composite catalyst shows the best catalytic activity for methanol oxidation. The effect of temperature on methanol oxidation was also investigated and the apparent activation energy (E-a) value of catalyst was obtained. The results here suggest a simple route to enhance the catalytic efficiency for commercial PtRu/C catalyst.
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