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题名: The critical pressure drop for the purge process in the anode of a fuel cell
作者: Yu, Xiao2, 3;  Ming Pingwen1;  Ming, Hou2;  Yi Baolian2;  Shao, Zhi-Gang2
通讯作者: 明平文
关键词: Fuel cell ;  Water removal ;  Two-phase flow ;  Mini-channel ;  Anode ;  Purge
刊名: JOURNAL OF POWER SOURCES
发表日期: 2009-03-01
DOI: 10.1016/j.jpowsour.2008.11.105
卷: 188, 期:1, 页:163-169
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: Purge operation is an effective way to remove the accumulated liquid water in the anode of proton exchange membrane fuel cells (PEMFCs). This paper studies the phenomenon of the two-phase now as well as the pressure drop fluctuation inside the flow field of a single cell during the purge process. The flow patterns are identified as intermittent purge and annular purge, and the two purge processes are contrastively analyzed and discussed. The intermittent purge greatly affects the fuel cell performance and thus it is not suitable for the in situ application. The annular purge process requires a higher pressure drop, and the critical pressure drop is calculated from the annular purge model. Furthermore, this value is quantitatively analyzed and validated by experiments. The results show that the annular purge is appropriate for removing liquid water out of the anode in the fuel cell. (C) 2008 Elsevier B.V. All rights reserved.
关键词[WOS]: 2-PHASE FLOW ;  WATER MANAGEMENT ;  MICRO-CHANNELS ;  MEMBRANE ;  MODEL
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000264391400024
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/101761
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.Dalian Sunrise Power Co Ltd, Dalian 116025, Liaoning, Peoples R China
2.Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China
3.Chinese Acad Sci, Dalian 116023, Peoples R China

Recommended Citation:
Yu, Xiao,Ming Pingwen,Ming, Hou,et al. The critical pressure drop for the purge process in the anode of a fuel cell[J]. JOURNAL OF POWER SOURCES,2009,188(1):163-169.
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