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Tungsten trioxide hydrate incorporated Nafion composite membrane for proton exchange membrane fuel cells operated above 100 degrees C
Shao, Zhi-Gang; Xu, Hongfeng; Hsing, I-Ming; Zhang, Huamin
关键词High Temperature Nafion Membrane Pemfc Tungsten Trioxide Hydrate
刊名CHEMICAL ENGINEERING COMMUNICATIONS
2007
DOI10.1080/00986440600992818
194期:5页:667-674
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology
类目[WOS]Engineering, Chemical
研究领域[WOS]Engineering
关键词[WOS]HIGH-TEMPERATURE OPERATION ; MAGNETIC-RESONANCE ; ACID ; TRANSPORT
英文摘要A new composite membrane is fabricated by incorporating tungsten trioxide hydrate into Nafion to be employed as a candidate electrolyte for proton exchange membrane fuel cells (PEMFCs) operated above 100 degrees C. Thermal behavior and proton conductivity of the composite membrane are studied by means of thermogravimetric/differential thermal analyis (TG/DTA) and AC impedance measurements, respectively. These results demonstrate that the thermal stability of the composite membrane has no appreciable change when compared with the native Nafion membrane. The proton conductivity of the composite membrane is found to be better than that of the native Nafion membrane at high temperature and lower relative humidity. When the composite membrane is used as an electrolyte in H-2/O-2 PEMFC under the operating conditions of 110 degrees C, 1.36 atm gas pressure, and 70% relative humidity, the observed current density value at 0.4V is 1.5 times higher than that of the cell employing native Nafion membrane as an electrolyte.
语种英语
WOS记录号WOS:000245642700008
引用统计
被引频次:8[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/321008/140579
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell R&D Ctr, Dalian 116023, Peoples R China
2.Dalian Jiaotong Univ, Dalian, Peoples R China
3.Hong Kong Univ Sci & Technol, Dept Chem Engn, Hong Kong, Hong Kong, Peoples R China
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GB/T 7714
Shao, Zhi-Gang,Xu, Hongfeng,Hsing, I-Ming,et al. Tungsten trioxide hydrate incorporated Nafion composite membrane for proton exchange membrane fuel cells operated above 100 degrees C[J]. CHEMICAL ENGINEERING COMMUNICATIONS,2007,194(5):667-674.
APA Shao, Zhi-Gang,Xu, Hongfeng,Hsing, I-Ming,&Zhang, Huamin.(2007).Tungsten trioxide hydrate incorporated Nafion composite membrane for proton exchange membrane fuel cells operated above 100 degrees C.CHEMICAL ENGINEERING COMMUNICATIONS,194(5),667-674.
MLA Shao, Zhi-Gang,et al."Tungsten trioxide hydrate incorporated Nafion composite membrane for proton exchange membrane fuel cells operated above 100 degrees C".CHEMICAL ENGINEERING COMMUNICATIONS 194.5(2007):667-674.
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