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学科主题: 物理化学
题名: Controllable synthesis of vertically aligned polypyrrole nanowires as advanced electrode support for fuel cells
作者: Xia, Zhangxun1, 2;  Wang, Suli1;  Jiang, Luhua1;  Sun, Hai1;  Sun, Gongquan1
通讯作者: 孙公权
关键词: Fuel cells ;  Polypyrrole ;  Nanowires ;  Electrochemical polymerization
刊名: JOURNAL OF POWER SOURCES
发表日期: 2014-06-15
DOI: 10.1016/j.jpowsour.2013.12.013
卷: 256, 期:1, 页:125-132
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Electrochemistry ;  Energy & Fuels
研究领域[WOS]: Electrochemistry ;  Energy & Fuels
英文摘要: Here, we develop a facile electrochemical polymerization method for the synthesis of polypyrrole (PPy) nanowires on Pd modified Nafion (R) membranes. Interestingly, with altering the deposition potential and temperature, we can easily tune the PPy nanowires from disordered nanostructures to well ordered vertically aligned nanowires. The various PPy nanowires show similar electronic conductivity but diverse hydrophobicity/hydrophilicity. The ordered PPy nanowires can significantly facilitate the mass transport and enhance the catalyst utilization. These two factors together make an obvious performance improvement of fuel cells. (C) 2013 Elsevier B.V. All rights reserved.
关键词[WOS]: CARBON NANOTUBES ;  MEMBRANE ;  SURFACES ;  FILM ;  PERFORMANCE ;  RESISTANCE ;  TRANSPORT ;  CATALYSTS ;  ARRAYS
语种: 英语
WOS记录号: WOS:000333724100018
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/144126
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Div Fuel Cell & Battery, Dalian, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China

Recommended Citation:
Xia, Zhangxun,Wang, Suli,Jiang, Luhua,et al. Controllable synthesis of vertically aligned polypyrrole nanowires as advanced electrode support for fuel cells[J]. JOURNAL OF POWER SOURCES,2014,256(1):125-132.
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