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Ionic resistance of the catalyst layer after the PEM fuel cell suffered freeze
Hou, Junbo1,2; Song, Wei1,2; Yu, Hongmei1; Fu, Yu1,2; Hao, Lixing1,2; Shao, Zhigang1; Yi, Baolian1; Yu HM(俞红梅)
关键词Proton Exchange Membrane (Pem) Fuel Cell Subzero Freeze/thaw Electrochemical Impedance Spectroscopy (Eis) Ionic Resistance
刊名JOURNAL OF POWER SOURCES
2008-01-21
DOI10.1016/j.jpowsour.2007.10.035
176期:1页:118-121
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]ELECTROCHEMICAL IMPEDANCE ; COLD START ; POLYMER ; PERFORMANCE ; DEGRADATION
英文摘要With electrochemical impedance spectroscopy (EIS), the ionic resistances of the catalyst layer (CL) were measured at different current densities after the proton exchange membrane (PEM) fuel cell suffered the subfreezing temperature. Compared with those of the CL before being frozen, the ionic resistances unexpectedly decreased a little, which accorded well with the polarization results. Considering that the frequency-dependent penetration depth was small in the high frequency region, a semi-quantitative method based on the finite transmission-line equivalent circuit was followed to investigate the ionic resistance profile across the whole CL. The results indicated that the change of the ionic resistance profile was not uniform across the CL after the cell experienced freeze/thaw cycles, which was more evident at the higher current densities. (c) 2007 Elsevier B.V. All rights reserved.
语种英语
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WOS记录号WOS:000252823400018
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被引频次:16[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/321008/100525
专题中国科学院大连化学物理研究所
通讯作者Yu HM(俞红梅)
作者单位1.Dalian Univ Technol, Chinese Acad Sci, Fuel Cell Syst & engn Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
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Hou, Junbo,Song, Wei,Yu, Hongmei,et al. Ionic resistance of the catalyst layer after the PEM fuel cell suffered freeze[J]. JOURNAL OF POWER SOURCES,2008,176(1):118-121.
APA Hou, Junbo.,Song, Wei.,Yu, Hongmei.,Fu, Yu.,Hao, Lixing.,...&俞红梅.(2008).Ionic resistance of the catalyst layer after the PEM fuel cell suffered freeze.JOURNAL OF POWER SOURCES,176(1),118-121.
MLA Hou, Junbo,et al."Ionic resistance of the catalyst layer after the PEM fuel cell suffered freeze".JOURNAL OF POWER SOURCES 176.1(2008):118-121.
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