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Hybrid Nafion-inorganic oxides membrane doped with heteropolyacids for high temperature operation of proton exchange membrane fuel cell
Shao, ZG; Xu, HF; Li, MQ; Hsing, IM; Shao ZG(邵志刚); Shao ZG(邵志刚)
关键词Composite Membranes Inorganic Oxides Nafion Membrane Heteropolyacids Pem Fuel Cell
刊名SOLID STATE IONICS
2006-03-15
DOI10.1016/j.ssi.2005.12.035
177期:7-8页:779-785
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]Chemistry, Physical ; Physics, Condensed Matter
研究领域[WOS]Chemistry ; Physics
关键词[WOS]POLYMER ELECTROLYTE MEMBRANE ; COMPOSITE MEMBRANES ; PEMFCS ; NANOCOMPOSITES ; ACID
英文摘要Performance of the proton exchange membrane fuel cell (PEMFC) with composite Nafion-inorganic additives such as silicon oxide (SiO2), titanium dioxide (TiO2), tungsten oxide (WO3), and SiO2/phosphotungstic acid (PWA) has been studied for the operation of temperature of above 100 degrees C. These composite membranes are prepared by the way of blending of the inorganic oxides with Nafion solution by the recasting procedure. The physico-chemical properties studied by means of scanning electron microscopy (SEM) and X-ray diffraction (XRD) techniques have proved the uniform and homogeneous distribution of these oxides and the consequent enhancement of crystalline character of these membranes. The thermogravimetry analysis (TGA) results have indicated that the additives TiO2 and WO3 have accelerated decomposition of the membrane at an earlier temperature than that of the Nafion membrane. The modified membranes have shown higher uptake of water relative to that of the unmodified membranes. The proton conductivity of the modified membranes, except that of the Nafion/TiO2, is found to be close to that of the native Nafion membrane at high temperature and at 100% relative humidity (RH), however, it was much higher at low RH. The performance of these modified membranes in the PEMFC operated at 110 degrees C and 70% RH is better than that of Nafion membrane and is found in the order of Nafion/SiO2/PkVA > Nafion/SiO2 > Nafion/WO3 > Nafion/TiO2. (c) 2006 Elsevier B.V. All rights reserved.
语种英语
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WOS记录号WOS:000236892400022
引用统计
被引频次:121[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/321008/97385
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); Shao ZG(邵志刚)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell R&D Ctr, Beijing, Peoples R China
2.Hong Kong Univ Sci & Technol, Dept Chem Engn, Kowloon, Hong Kong, Peoples R China
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GB/T 7714
Shao, ZG,Xu, HF,Li, MQ,et al. Hybrid Nafion-inorganic oxides membrane doped with heteropolyacids for high temperature operation of proton exchange membrane fuel cell[J]. SOLID STATE IONICS,2006,177(7-8):779-785.
APA Shao, ZG,Xu, HF,Li, MQ,Hsing, IM,邵志刚,&邵志刚.(2006).Hybrid Nafion-inorganic oxides membrane doped with heteropolyacids for high temperature operation of proton exchange membrane fuel cell.SOLID STATE IONICS,177(7-8),779-785.
MLA Shao, ZG,et al."Hybrid Nafion-inorganic oxides membrane doped with heteropolyacids for high temperature operation of proton exchange membrane fuel cell".SOLID STATE IONICS 177.7-8(2006):779-785.
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