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题名: Two dimensional modeling study of PBI/H3PO4 high temperature PEMFCs based on electrochemical methods
作者: Hu, Jingwei;  Zhang, Huamin;  Hu, Jun;  Zhai, Yunfeng;  Yi, Baolian
通讯作者: 张华民
关键词: H3PO4/PBI ;  high temperature ;  PEMFC ;  two dimensional model ;  cyclic voltametry ;  electrochemical impedance spectroscopy
刊名: JOURNAL OF POWER SOURCES
发表日期: 2006-10-06
DOI: 10.1016/j.jpowsour.2006.02.026
卷: 160, 期:2, 页:1026-1034
收录类别: SCI
文章类型: Article
部门归属: 3
项目归属: 303
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: A two dimensional model was constructed for a high temperature PBI/H3PO4 fuel cell, the model was focused on the cathode side since it is the most important component of the overall polarization loss in unit cell. Linear sweep voltammetry (LSV) technique was used to supply the model with the most important kinetic parameter-cathodic exchange current density. The cathode polarization was calculated by the resulting two dimensional model and the ohmic polarization was estimated by electrochemical impedance spectroscopy (EIS), the overall polarization curve was simulated according to the above procedure; three unit cells with different catalysts were assembled and their steady state polarization curves were simulated based on the mathematical model. Good agreement between the simulated and experimental results was achieved. (c) 2006 Elsevier B.V. All rights reserved.
关键词[WOS]: MEMBRANE FUEL-CELLS ;  COMPOSITE MEMBRANE ;  OXYGEN REDUCTION ;  LAYER ;  PARAMETERS ;  OPERATION ;  CATALYSTS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000241411600038
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/97341
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, PEMFAC Key Mat & Technol Res Grp, Dalian 116023, Liaoning Prov, Peoples R China

Recommended Citation:
Hu, Jingwei,Zhang, Huamin,Hu, Jun,et al. Two dimensional modeling study of PBI/H3PO4 high temperature PEMFCs based on electrochemical methods[J]. JOURNAL OF POWER SOURCES,2006,160(2):1026-1034.
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