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题名: Cs2.5H0.5PWO40/SiO2 as addition self-humidifying composite membrane for proton exchange membrane fuel cells
作者: Wang, L.;  Yi, B. L.;  Zhang, H. M.;  Xing, D. M.
关键词: PEMFC ;  self-humidifying ;  Cs2.5H0.5PWO40/SiO2 ;  Nafion ;  membrane
刊名: ELECTROCHIMICA ACTA
发表日期: 2007-05-05
DOI: 10.1016/j.electacta.2007.03.007
卷: 52, 期:17, 页:5479-5483
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Electrochemistry
研究领域[WOS]: Electrochemistry
英文摘要: In this paper, we first reported a novel self-humidifying composite membrane for the proton exchange membrane fuel cell (PEMFC). Cs2.5H0.5PWO40/SiO2 catalyst particles were dispersed uniformly into the Nafion (R) resin, and then Cs2.5H0.5PWO40-SiO2/Nafion composite membrane was prepared using solution-cast method. Compared with the H3PWO40 (PTA), the Cs2.5H0.5PWO40/SiO2 was steady due to the substitute of H+ with Cs+ and the interaction between the Cs2.5H0.5PWO40 and SiO2. And compared with the performance of the fuel cell with commercial Nafion (R) NRE-212 membrane, the cell performance with the self-humidifying composite membrane was obviously improved under both humidified and dry conditions at 60 and 80 degrees C. The best performance under dry condition was obtained at 60 degrees C. The self-humidifying composite membrane could minimize membrane conductivity loss under dry conditions due to the presence of catalyst and hydrophilic Cs2.5H0.5PWO40/SiO2 particles. (c) 2007 Elsevier Ltd. All rights reserved.
关键词[WOS]: POLYMER ELECTROLYTE MEMBRANES ;  ACID ;  NAFION(R)
语种: 英语
WOS记录号: WOS:000246609300019
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140603
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, Proton Exchange Membrane Fuel Cell Key Mat & Tech, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Wang, L.,Yi, B. L.,Zhang, H. M.,et al. Cs2.5H0.5PWO40/SiO2 as addition self-humidifying composite membrane for proton exchange membrane fuel cells[J]. ELECTROCHIMICA ACTA,2007,52(17):5479-5483.
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