Well-dispersed and low Pt content Pt–Ru/C nanoparticles were prepared by a developed impregnating reduction method with sodium citrate as stabilizer. The as-prepared Pt–Ru/C catalysts were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), and energy dispersive X-ray (EDX) analysis. TEM showed that the Pt–Ru particles were quite uniformly distributed on the surface of the carbon with an average particle size of 3.5–4.5 nm. The effect of pH values on methanol electro-oxidation reaction was examined by cyclic voltammetry (CV) and chronoamperometry (CA). Pre-adsorbed CO monolayer stripping was used to evaluate the antipoisoning ability. The results showed that Pt–Ru/C (pH = 8) catalyst had the highest catalytic activity and stability toward the oxidation of methanol. Finally, comparing Pt–Ru/C (Pt–Ru 20 wt.%, Pt/Ru = 1:1) catalysts with Pt/C (Pt 20 wt.%), the onset potential was 200 mV lower and electrochemical active area was much bigger.
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August 2015
This article was originally published in
Journal of Fuel Cell Science and Technology
Research-Article
The Impregnating Reduction Method for Synthesis of Pt–Ru Nanoparticles and Its Catalytic Performance for Methanol Electro-oxidation
Long-long Wang,
Long-long Wang
College of Environmental and
Chemical Engineering,
e-mail: jiangnankobe@126.com
Chemical Engineering,
Shanghai University of Electric Power
,Shanghai 200090
, China
e-mail: jiangnankobe@126.com
Search for other works by this author on:
Hong-min Mao,
Hong-min Mao
Wuhan Product Quality Supervision and
e-mail: hongminmao@163.com
Inspection Institute
,Wuhan 430043, Hubei
, China
e-mail: hongminmao@163.com
Search for other works by this author on:
Xiao-jin Zhou,
Xiao-jin Zhou
College of Environmental and
Chemical Engineering,
e-mail: zhouxiaojin2004@163.com
Chemical Engineering,
Shanghai University of Electric Power
,Shanghai 200090
, China
e-mail: zhouxiaojin2004@163.com
Search for other works by this author on:
Qun-jie Xu,
Qun-jie Xu
Professor
College of Environmental and
Chemical Engineering,
e-mail: xuqunjie@shiep.edu.cn
College of Environmental and
Chemical Engineering,
Shanghai University of Electric Power
,Shanghai 200090
, China
e-mail: xuqunjie@shiep.edu.cn
Search for other works by this author on:
Qiao-xia Li
Qiao-xia Li
1
Associate Professor
College of Environmental and
Chemical Engineering,
e-mail: liqiaoxia@shiep.edu.cn
College of Environmental and
Chemical Engineering,
Shanghai University of Electric Power
,Shanghai 200090
, China
e-mail: liqiaoxia@shiep.edu.cn
1Corresponding author.
Search for other works by this author on:
Long-long Wang
College of Environmental and
Chemical Engineering,
e-mail: jiangnankobe@126.com
Chemical Engineering,
Shanghai University of Electric Power
,Shanghai 200090
, China
e-mail: jiangnankobe@126.com
Hong-min Mao
Wuhan Product Quality Supervision and
e-mail: hongminmao@163.com
Inspection Institute
,Wuhan 430043, Hubei
, China
e-mail: hongminmao@163.com
Xiao-jin Zhou
College of Environmental and
Chemical Engineering,
e-mail: zhouxiaojin2004@163.com
Chemical Engineering,
Shanghai University of Electric Power
,Shanghai 200090
, China
e-mail: zhouxiaojin2004@163.com
Qun-jie Xu
Professor
College of Environmental and
Chemical Engineering,
e-mail: xuqunjie@shiep.edu.cn
College of Environmental and
Chemical Engineering,
Shanghai University of Electric Power
,Shanghai 200090
, China
e-mail: xuqunjie@shiep.edu.cn
Qiao-xia Li
Associate Professor
College of Environmental and
Chemical Engineering,
e-mail: liqiaoxia@shiep.edu.cn
College of Environmental and
Chemical Engineering,
Shanghai University of Electric Power
,Shanghai 200090
, China
e-mail: liqiaoxia@shiep.edu.cn
1Corresponding author.
Contributed by the Advanced Energy Systems Division of ASME for publication in the JOURNAL OF FUEL CELL SCIENCE AND TECHNOLOGY. Manuscript received May 15, 2013; final manuscript received December 21, 2014; published online March 31, 2015. Editor: Nigel M. Sammes.
J. Fuel Cell Sci. Technol. Aug 2015, 12(4): 041001 (4 pages)
Published Online: August 1, 2015
Article history
Received:
May 15, 2013
Revision Received:
December 21, 2014
Online:
March 31, 2015
Citation
Wang, L., Mao, H., Zhou, X., Xu, Q., and Li, Q. (August 1, 2015). "The Impregnating Reduction Method for Synthesis of Pt–Ru Nanoparticles and Its Catalytic Performance for Methanol Electro-oxidation." ASME. J. Fuel Cell Sci. Technol. August 2015; 12(4): 041001. https://doi.org/10.1115/1.4029874
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