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Performance degradation studies on PBI/H3PO4 high temperature PEMFC and one-dimensional numerical analysis
Hu, Jingwei; Zhang, Huamin; Zhai, Yunfeng; Liu, Gang; Hu, Jun; Yi, Baolian; Zhang HM(张华民); Zhang HM(张华民)
关键词Pbi/h3po4 High Temperature Pemfc Performance Degradation One-dimension Model Electrochemical Surface Area
刊名ELECTROCHIMICA ACTA
2006-10-25
DOI10.1016/j.electacta.2006.05.020
52期:2页:394-401
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
类目[WOS]Electrochemistry
研究领域[WOS]Electrochemistry
关键词[WOS]MEMBRANE FUEL-CELLS ; INTERDIGITATED FLOW-FIELDS ; COMPOSITE MEMBRANE ; OXYGEN REDUCTION ; LAYER ; OPERATION ; CATALYSTS
英文摘要Five hundred hours continuous aging test at constant discharge current (640 mA cm(-2)) was performed on PBI/H3PO4 high temperature PEMFC unit cell, electrochemical techniques-linear sweep voltammetry (LSV) and AC impedance measurement were used to investigate the changes of electrochemical surface area (ESA) and high frequency resistance (internal resistance) with time. Initial experimental results showed that during 500 h continuous aging test the main reason for cell performance degradation is the decrease of ESA caused by sintering. In addition, a one-dimensional mathematical model was constructed, the concentration distributions of cathode reactant gases (O-2 and gaseous H2O) were calculated and polarization curves recorded during aging test were simulated based on the model, the simulated polarization curves compare well with the experimental results. (c) 2006 Elsevier Ltd. All fights reserved.
语种英语
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WOS记录号WOS:000242164000002
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被引频次:46[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/321008/97339
专题中国科学院大连化学物理研究所
通讯作者Zhang HM(张华民); Zhang HM(张华民)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, PEMFC Key Mat & Technol Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
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GB/T 7714
Hu, Jingwei,Zhang, Huamin,Zhai, Yunfeng,et al. Performance degradation studies on PBI/H3PO4 high temperature PEMFC and one-dimensional numerical analysis[J]. ELECTROCHIMICA ACTA,2006,52(2):394-401.
APA Hu, Jingwei.,Zhang, Huamin.,Zhai, Yunfeng.,Liu, Gang.,Hu, Jun.,...&张华民.(2006).Performance degradation studies on PBI/H3PO4 high temperature PEMFC and one-dimensional numerical analysis.ELECTROCHIMICA ACTA,52(2),394-401.
MLA Hu, Jingwei,et al."Performance degradation studies on PBI/H3PO4 high temperature PEMFC and one-dimensional numerical analysis".ELECTROCHIMICA ACTA 52.2(2006):394-401.
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