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学科主题: Energy & Fuels ; Engineering
题名: Free-standing poly[poly(N-vinyl carbazole)]-supported Pt-based catalysts with enhanced performance for methanol electro-oxidation in alkaline medium
作者: Jiang Fengxing; Ren Fangfang; Zhou Weiqiang; Du Yukou; Xu Jingkun; Yang Ping; Wang Chuanyi
关键词: Free-standing film ; Pt-based catalysts ; Methanol electro-oxidation ; Alkaline medium
刊名: Fuel
发表日期: 2012
DOI: 10.1016/j.fuel.2012.07.008
卷: 102, 期:12, 页:560-566
收录类别: SCI
摘要: Pt-based catalysts with free-standing poly[poly(N-vinyl carbazole)] (PPVK) as support (PtM/PPVK, M = Pd, Au, and Ru) on a glassy carbon electrode (GCE) have been successfully prepared by an electrochemical method. Cyclic voltammetric and chronoamperometric methods are used to investigate the electrocatalytic activity and stability of as-prepared catalysts. It is found that PPVK film as support effectively enhances the catalytic acitivity of Pt nanoparticles for methanol electro-oxidation in alkaline medium. The bimetallic PtM nanoparticles obtained potentiostatically on the PPVK film show the higher electrocatalytic activity than bare Pt/GCE and JM Pt/C. In addition, to pin down the external influencing factors, systematic studies have been conducted on the methanol electro-oxidation at as-prepared catalysts as a function of platinum loading, PPVK mass, methanol and KOH concentrations. © 2012 Elsevier Ltd. All rights reserved.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/1395
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: Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China;Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang 330013, Peoples R China;Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China

Recommended Citation:
Jiang Fengxing,Ren Fangfang,Zhou Weiqiang,et al. Free-standing poly[poly(N-vinyl carbazole)]-supported Pt-based catalysts with enhanced performance for methanol electro-oxidation in alkaline medium[J]. Fuel,2012,102(12):560-566.
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