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题名: Diffusion-convection/electrochemical model studies on polybenzimidazole (PBI) fuel cell based on AC impedance technique
作者: Hu, Jingwei1;  Zhang, Huamin1;  Gang, Liu1
关键词: fuel cell ;  modeling ;  PBI ;  AC impedance technique
刊名: ENERGY CONVERSION AND MANAGEMENT
发表日期: 2008-05-01
DOI: 10.1016/j.enconman.2007.10.002
卷: 49, 期:5, 页:1019-1027
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Thermodynamics ;  Energy & Fuels ;  Mechanics ;  Physics, Nuclear
研究领域[WOS]: Thermodynamics ;  Energy & Fuels ;  Mechanics ;  Physics
英文摘要: A steady state, two dimensional mathematical model on PBI fuel cells based on an alternative current(AC) impedance technique is presented. The model mainly accounts for the mass transport and polarization phenomena of the cathode side, and for the first time, the AC impedance technique is combined with the mathematical model to offer a model with two very important electrochemical parameters - internal resistance and apparent area exchange current density. A GUI (graphic user interface) based PBI fuel cell model software is developed to make the model more applicable. O-2 and H2O distributions are calculated and polarization curves are predicted. The simulated results compare well with experimental data. (C) 2007 Elsevier Ltd. All rights reserved.
关键词[WOS]: HIGH-TEMPERATURE-OPERATION ;  COMPOSITE MEMBRANE ;  OXYGEN REDUCTION ;  PEMFC ;  ELECTRODES ;  LAYER
语种: 英语
WOS记录号: WOS:000255318600017
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141037
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, PEMFC Key Mat & Technol Res Grp, Dalian 116023, Liaoning Prov, Peoples R China

Recommended Citation:
Hu, Jingwei,Zhang, Huamin,Gang, Liu. Diffusion-convection/electrochemical model studies on polybenzimidazole (PBI) fuel cell based on AC impedance technique[J]. ENERGY CONVERSION AND MANAGEMENT,2008,49(5):1019-1027.
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