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学科主题: 物理化学
题名: Investigation on the electrochemical removal of SO2 in ambient air for proton exchange membrane fuel cells
作者: Zhai, Junxiang1, 2;  Hou, Ming1;  Liang, Dong1;  Shao, Zhigang1;  Yi, Baolian1
通讯作者: 侯明 ;  邵志刚
关键词: Electrochemical filter ;  Carbon felt ;  Sulfur dioxide ;  Proton exchange membrane fuel cell
刊名: ELECTROCHEMISTRY COMMUNICATIONS
发表日期: 2012
DOI: 10.1016/j.elecom.2012.02.015
卷: 18, 页:131-134
收录类别: SCI
文章类型: Article
部门归属: DNL03
项目归属: DNL0301
产权排名: 1,1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Electrochemistry
研究领域[WOS]: Electrochemistry
英文摘要: SO2, a pollutant in air, can cause a serious degradation of the proton exchange membrane fuel cell (PEMFC) performance. After direct exposure to 1 ppm SO2-air for 50 h, the cell voltage degraded by 28%. In order to cope with this problem, an electrochemical filter was fabricated and used for SO2 removal on-board in this study. The modified carbon felt was used as the filter anode. The effect of the applied voltages on the SO2 removal was investigated, and the cell performance was further tested both with and without the filter. When an external voltage of 0.5 V was applied across the filter, the cell voltage had no obvious decrease during the 240 h test, and cycle voltammery (CV) measurements showed that SO2 was not adsorbed on the cell cathode. The electrochemical filter successfully protected a single cell from being poisoned by 1 ppm SO2-air for more than 240 h. (C) 2012 Elsevier B.V. All rights reserved.
关键词[WOS]: PERFORMANCE ;  IMPURITIES ;  OXIDATION ;  CATHODES ;  HYDROGEN
语种: 英语
WOS记录号: WOS:000304746200035
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/117910
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, Fuel Cell Syst & Engn Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China

Recommended Citation:
Zhai, Junxiang,Hou, Ming,Liang, Dong,et al. Investigation on the electrochemical removal of SO2 in ambient air for proton exchange membrane fuel cells[J]. ELECTROCHEMISTRY COMMUNICATIONS,2012,18:131-134.
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