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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)
KeywordComposite Membranes Inorganic Oxides Nafion Membrane Heteropolyacids Pem Fuel Cell
Source PublicationSOLID STATE IONICS
2006-03-15
DOI10.1016/j.ssi.2005.12.035
Volume177Issue:7-8Pages:779-785
Indexed BySCI
SubtypeArticle
Department3
Funding Project303
Contribution Rank1;1
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical ; Physics, Condensed Matter
WOS Research AreaChemistry ; Physics
WOS KeywordPOLYMER ELECTROLYTE MEMBRANE ; COMPOSITE MEMBRANES ; PEMFCS ; NANOCOMPOSITES ; ACID
AbstractPerformance 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.
Language英语
URL查看原文
WOS IDWOS:000236892400022
Citation statistics
Cited Times:125[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/97385
Collection中国科学院大连化学物理研究所
Corresponding AuthorShao ZG(邵志刚); Shao ZG(邵志刚)
Affiliation1.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
Recommended Citation
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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