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学科主题物理化学
Behavior of a unit proton exchange membrane fuel cell in a stack under fuel starvation
Liang, Dong1,2; Dou, Meiling1,2; Hou, Ming1; Shen, Qiang1,2; Shao, Zhigang1; Yi, Baolian1; Hou M(侯明); Shao ZG(邵志刚)
关键词Proton Exchange Membrane Fuel Cell (Pemfc) Fuel Starvation Current Distribution Localized Interfacial Potential Manifold Stack
刊名JOURNAL OF POWER SOURCES
2011-07-01
ISSN待补充
DOI10.1016/j.jpowsour.2011.02.064
196期:13页:5595-5598
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
关键词[WOS]REFERENCE ELECTRODES ; PEMFC ; DEGRADATION ; REVERSAL
英文摘要Behavior of a unit proton exchange membrane fuel cell in a stack under fuel starvation; Durability is an important issue in proton exchange membrane fuel cells (PEMFCs) currently. Fuel starvation could be one of the reasons for PEMFC degradation. In this research, the fuel starvation conditions of a unit cell in a stack are simulated experimentally. Cell voltage, current distribution and localized interfacial potentials are detected in situ to explore their behaviors under different hydrogen stoichiometries. Results show that the localized fuel starvation occurs in different sections at anode under different hydrogen stoichiometries when the given hydrogen is inadequate. This could be attributed to the "vacuum effect" that withdraws fuel from the manifold into anode. Behaviors of current distribution show that the current will redistribute and the position of the lowest current shifts close to the anode inlet with decreasing hydrogen stoichiometry, which indicates that the position of the localized fuel starvation would move towards the inlet of the cell. It is useful to understand the real position of the degradation of MEA. (C) 2011 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000291144000029
引用统计
被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/115438
专题中国科学院大连化学物理研究所
通讯作者Hou M(侯明); Shao ZG(邵志刚)
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 100049, Peoples R China
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GB/T 7714
Liang, Dong,Dou, Meiling,Hou, Ming,et al. Behavior of a unit proton exchange membrane fuel cell in a stack under fuel starvation[J]. JOURNAL OF POWER SOURCES,2011,196(13):5595-5598.
APA Liang, Dong.,Dou, Meiling.,Hou, Ming.,Shen, Qiang.,Shao, Zhigang.,...&邵志刚.(2011).Behavior of a unit proton exchange membrane fuel cell in a stack under fuel starvation.JOURNAL OF POWER SOURCES,196(13),5595-5598.
MLA Liang, Dong,et al."Behavior of a unit proton exchange membrane fuel cell in a stack under fuel starvation".JOURNAL OF POWER SOURCES 196.13(2011):5595-5598.
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