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题名: Effects of hydrophilic/hydrophobic properties on the water behavior in the micro-channels of a proton exchange membrane fuel cell
作者: Cai, Y. H.;  Hu, J.;  Ma, H. P.;  Yi, B. L.;  Zhang, H. M.
关键词: proton exchange membrane fuel cells ;  water transport ;  hydrophilic ;  hydrophobic ;  two-phase flow
刊名: JOURNAL OF POWER SOURCES
发表日期: 2006-10-27
DOI: 10.1016/j.jpowsour.2006.04.110
卷: 161, 期:2, 页:843-848
收录类别: SCI
文章类型: Article
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 mobility of water droplets and water films inside a straight micro-channel of a proton exchange membrane fuel cell was simulated to study the effects of the hydrophilic/hydrophobic properties on water behavior. The volume-of-fluid model in the FLUENT package was used to keep track of the deformation of the liquid-gas interface. The results show that the water moved faster on a hydrophobic surface. But a hydrophobic channel side-wall was a disadvantage for the gas diffusion when the MEA had a hydrophilic surface. A hydrophilic channel side-wall with a hydrophobic MEA surface could avoid water accumulation on the MEA surface. The water and gas distribution under this condition was advantageous for water discharge and gas diffusion. (c) 2006 Elsevier B.V. All rights reserved.
关键词[WOS]: CATHODE ;  TRANSPORT ;  VISUALIZATION ;  DIFFUSION ;  ANODE ;  MODEL
语种: 英语
WOS记录号: WOS:000241781200016
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140194
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 R&D Ctr, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Cai, Y. H.,Hu, J.,Ma, H. P.,et al. Effects of hydrophilic/hydrophobic properties on the water behavior in the micro-channels of a proton exchange membrane fuel cell[J]. JOURNAL OF POWER SOURCES,2006,161(2):843-848.
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