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Microwave-assisted synthesis of high-loading, highly dispersed Pt/carbon aerogel catalyst for direct methanol fuel cell
Zhijun Guo Hong Zhu Xinwei Zhang Fanghui Wang Yubao Guo Yongsheng Wei
Volume 34 Issue 3 June 2011 pp 577-581
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https://www.ias.ac.in/article/fulltext/boms/034/03/0577-0581 -
Keywords
Direct methanol fuel cell ;carbon aerogel ;Pt ;microwave-assisted polyol process ;electrocatalyst ;electrocatalytic activity. -
Abstract
A Pt supported on carbon aerogel catalyst has been synthesized by the microwave-assisted polyol process. The Pt supported on carbon aerogel catalyst was characterized by high resolution transmission electron microscopy and X-ray diffraction. The results show a uniform dispersion of spherical Pt nanoparticles 2.5–3.0 nm in diameter. Cyclic voltammetry and chronoamperometry were used to evaluate the electrocatalytic activity of the Pt/carbon aerogel catalyst for methanol oxidation at room temperature. The Pt/carbon aerogel catalyst shows higher electrochemical catalytic activity and stability for methanol oxidation than a commercial Pt/C catalyst of the same Pt loading.
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Author Affiliations
Zhijun Guo1 Hong Zhu2 Xinwei Zhang1 Fanghui Wang1 Yubao Guo1 Yongsheng Wei1
- Department of Chemistry, School of Science, Beijing Jiaotong University, Beijing 100044, China
- Institute of Modern Catalyst, State Key Laboratory of Chemical Resource Engineering, School of Science, Beijing University of Chemical Technology, Beijing 100029, China
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Dates
- Published
- June 2011
- Manuscript received
- 26 July 2010
- Manuscript revised
- 14 September 2010
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