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题名: Transient behavior of a proton exchange membrane fuel cell under dry operation
作者: Yu, HM;  Ziegler, C
通讯作者: 俞红梅
刊名: JOURNAL OF THE ELECTROCHEMICAL SOCIETY
发表日期: 2006
DOI: 10.1149/1.2162450
卷: 153, 期:3, 页:A570-A575
收录类别: SCI
文章类型: Article
部门归属: 3
项目归属: 301
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Electrochemistry ;  Materials Science, Coatings & Films
研究领域[WOS]: Electrochemistry ;  Materials Science
英文摘要: The transient behavior of a polymer exchange membrane fuel cell (PEMFC) with dry gases fed in is investigated in this paper. Periodical ramp sweeps were applied to the fuel cell. When dry gases are fed into the fuel cell, the drying out effect of the polymer electrolyte is measured during the sweep process. The polarization curve of the fuel cell and time-dependent membrane resistance is shown. A hysteresis effect of the fuel cell polarization curve is found. The "threshold", defined as the match point of the forward and backward sweep current-voltage curve is introduced. In this paper, threshold indicates the status of the fuel cell membrane hydration. The transient behavior during load change is investigated when dry gases are fed into the fuel cell. The comparison between the ramp sweep and the step sweep experiments shows that the fuel cell could run stable at the threshold current density under a specific operating condition. (c) 2006 The Electrochemical Society.
关键词[WOS]: POLYMER ELECTROLYTE MEMBRANE ;  DYNAMIC-BEHAVIOR ;  EXTERNAL HUMIDIFICATION ;  PEMFC ;  STACK ;  SIMULATION
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000235136600020
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/98131
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 116023, Peoples R China
2.Fraunhofer Inst Solar Energy Syst, D-79110 Freiburg, Germany

Recommended Citation:
Yu, HM,Ziegler, C. Transient behavior of a proton exchange membrane fuel cell under dry operation[J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY,2006,153(3):A570-A575.
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