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学科主题: Electrochemistry
题名: Electrocatalytic activity of Pd nanoparticles supported on poly(3,4-ethylenedioxythiophene)-graphene hybrid for ethanol electrooxidation
作者: Jiang Fengxing; Yao Zhangquan; Yue Ruirui; Xu Jingkun; Du Yukou; Yang Ping; Wang Chuanyi
关键词: Pd nanoparticles ; Poly(3,4-ethylenedioxythiophene) ; Graphene ; Catalytic activity ; Ethanol electrooxidation
刊名: JOURNAL OF SOLID STATE ELECTROCHEMISTRY
发表日期: 2013
DOI: 10.1007/s10008-012-1961-7
卷: 17, 期:4, 页:1039-1047
收录类别: SCI
资助者: National Natural Science Foundation of China 51073114, 20933007, 51073074, 50963002, 2010GZH0041; Jiangxi Provincial Department of Education GJJ11590, GJJ10678; "One Hundred Talents" program of Chinese Academy of Sciences 1029471301; Opening Project of Xinjiang Key Laboratory of Electronic Information Materials and Devices XJYS0901-2010-01; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
摘要: The support materials play a critical role for the electrocatalytic oxidation of ethanol on precious metal catalysts in fuel cells. Here, we report the poly(3,4-ethylenedioxythiophene) combined with reduced graphene oxide (PEDOT-RGO) as the support of Pd nanoparticles (NPs) for ethanol electrooxidation in alkaline medium. The as-prepared Pd/PEDOT-RGO composite catalysts are characterized by Raman spectrometer, X-ray diffraction, transmission electron microcopy, and scanning electron microcopy. PEDOT-RGO composite with the porous structure facilitates the dispersion of Pd NPs with a smaller size leading to the increase of electrochemical active surface area. The electrochemical properties and electrocatalytic activities of Pd/PEDOT-RGO hybrid are evaluated by cyclic voltammetry, chronoamperometry, CO stripping voltammetry, electrochemical impedance spectroscopy (EIS) and Tafel analysis. The results suggest that Pd/PEDOT-RGO hybrid shows a higher electrocatalytic activity, a better long-term stability, and the poisoning tolerance for the ethanol electrooxidation than Pd on carbon black. EIS and Tafel analysis indicate that PEDOT-RGO improves the kinetics of ethanol electrooxidation on the Pd NPs and is an efficient support in fuel cells.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/2670
Appears in Collections:环境科学与技术研究室_期刊论文

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作者单位: Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang 330013, Peoples R China;Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China;Chinese Acad Sci, Xinjiang Key Lab Elect Informat Mat & Devices, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China

Recommended Citation:
Jiang Fengxing,Yao Zhangquan,Yue Ruirui,et al. Electrocatalytic activity of Pd nanoparticles supported on poly(3,4-ethylenedioxythiophene)-graphene hybrid for ethanol electrooxidation[J]. JOURNAL OF SOLID STATE ELECTROCHEMISTRY,2013,17(4):1039-1047.
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