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The effect of different valency cations on DMFC performance
Jie, Xiao1,2; Shao, Zhi-Gang1; Yi, Baolian1; Shao ZG(邵志刚)
关键词Direct Methanol Fuel Cell (Dmfc) Cationic Impurity Single Electrode Potential Ion Transport
刊名ELECTROCHEMISTRY COMMUNICATIONS
2010-05-01
DOI10.1016/j.elecom.2010.03.010
12期:5页:700-702
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
类目[WOS]Electrochemistry
研究领域[WOS]Electrochemistry
关键词[WOS]EXCHANGE MEMBRANE ; TEMPERATURE ; IMPURITY ; ION
英文摘要An in situ study of the effects of Na(+), Mg(2+) and Cr(3+) on direct methanol fuel cell (DMFC) performance is reported. The result showed that dramatic decrease of the cell voltage was mainly ascribed to the increase of the cathode overpotential. Meanwhile, the different contamination effects by introducing Na(+), Mg(2+) and Cr(3+) to the anode and the cathode were compared. When the same molar concentration of different cations was added to the anode feed, the contamination effect on the cell performance followed the order of Na(+) > Mg(2+) > Cr(3+). Owing to the fast transfer speed and the low affinity to the sulfonic acid groups in the ionomer phase, the low-valent cations may cause much more proton losses than the high-valent cations in the cathode catalyst layer (CCL) within the same time. So the low-valent cations led to the higher cathode overpotential than the high-valent cations. When the same molar concentration of cations was directly added to the CCL, the contamination effects on the cell voltage showed an opposite trend which is Na(+)
语种英语
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WOS记录号WOS:000278218700024
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/103635
专题中国科学院大连化学物理研究所
通讯作者Shao ZG(邵志刚)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell Syst & Engn Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
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Jie, Xiao,Shao, Zhi-Gang,Yi, Baolian,et al. The effect of different valency cations on DMFC performance[J]. ELECTROCHEMISTRY COMMUNICATIONS,2010,12(5):700-702.
APA Jie, Xiao,Shao, Zhi-Gang,Yi, Baolian,&邵志刚.(2010).The effect of different valency cations on DMFC performance.ELECTROCHEMISTRY COMMUNICATIONS,12(5),700-702.
MLA Jie, Xiao,et al."The effect of different valency cations on DMFC performance".ELECTROCHEMISTRY COMMUNICATIONS 12.5(2010):700-702.
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