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题名: The study on transient characteristic of proton exchange membrane fuel cell stack during dynamic loading
作者: Yan, Xiqiang;  Hou, Ming;  Sun, Liyan;  Cheng, Haibo;  Hong, Youlu;  Liang, Dong;  Shen, Qiang;  Ming, Pingwen;  Yi, Baolian
通讯作者: 燕希强
关键词: PEMFC ;  dynamic loading ;  current distribution ;  temperature distribution
刊名: JOURNAL OF POWER SOURCES
发表日期: 2007
DOI: 10.1016/j.jpowsour.2006.09.075
卷: 163, 期:2, 页:966-970
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 ;  Energy & Fuels
研究领域[WOS]: Electrochemistry ;  Energy & Fuels
英文摘要: The operations of fuel cell stacks in fuel cell vehicle are dynamic. During dynamic loading, the oxidant starvation often occurs, due to the gas response rate lagging the loading rate. To study the transient behavior of the fuel cell stack at load changes, the measuring methods of current and temperature distribution are developed. In this paper, the current distribution and temperature distribution as well as their dynamic changes in fuel cell stack have been evaluated in situ. The experimental results show that the local current and temperature rise when load rapidly. The extent of temperature fluctuation during dynamic loading is significantly influenced by air stoichiometries, loading rates, and air relative humidities. When air stoichiometry is very low, the temperature of cathode inlet rises sharply. The quicker the loading rate is, the bigger the extent of temperature fluctuation is. With increasing air relative humidity, the transient temperature of cathode inlet rises, while the transient temperature of cathode outlet decreases. This paper will provide reference for durability researches on fuel cell vehicles (FCVs). (c) 2006 Elsevier B.V. All rights reserved.
关键词[WOS]: TECHNOLOGY ;  BEHAVIOR ;  PEMFC ;  SCIENCE ;  SYSTEM ;  PEFC
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000243650800042
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/98857
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

Recommended Citation:
Yan, Xiqiang,Hou, Ming,Sun, Liyan,et al. The study on transient characteristic of proton exchange membrane fuel cell stack during dynamic loading[J]. JOURNAL OF POWER SOURCES,2007,163(2):966-970.
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