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Comparison of alkaline stability of quaternary ammonium- and 1,2-methylimidazolium-based alkaline anion exchange membranes
Yang, Congrong1,2; Wang, Suli1; Ma, Wenjia1; Jiang, Luhua1; Sun, Gongquan1
关键词Alkaline Anion Exchange Membrane Quaternary Ammonium Alkaline Stability 1 Fuel Cell Performance 2-methlimidazolium
刊名JOURNAL OF MEMBRANE SCIENCE
2015-08-01
DOI10.1016/j.memsci.2015.03.067
487页:12-18
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology ; Physical Sciences
类目[WOS]Engineering, Chemical ; Polymer Science
研究领域[WOS]Engineering ; Polymer Science
关键词[WOS]FUEL-CELL APPLICATIONS ; NMR-SPECTROSCOPY ; IMIDAZOLIUM ; DEGRADATION ; POLYMER
英文摘要The alkaline stability of 1,2-dimethylimidazolium with various N3-substituents (including butyl, benzyl and vinylbenzyl) and corresponding quaternary ammonium small molecular compounds, and the 1,2-dimethylimidazolium- and quaternary ammonium-based membranes are systemically studied in the same condition. The spectroscopy (such as NMR, FT-IR, XPS and mass spectrum) results of the two kinds of small molecular compounds indicate that the quaternary ammonium cations are more stable than 1,2-dimethylimidazolium cations in 3 M KOH at elevated temperature, especially at 80 degrees C. Moreover, the alkaline stability of the 1,2-dimethylimidazolium cations would be influenced by the N3-substitutions of the imidazolium, and N3-butyl substituted cation shows a better alkaline stability. The quaternary ammonium-based membrane are also more stable than the 1,2-dimethylimidazolium-based membrane in 1 M KOH at 60 degrees C. In addition, the performance of the alkaline direct methanol fuel cell using quaternary ammonium-based membrane (22 mW cm(-2)) is much better than that of the fuel cell using 1,2-dimethylimidazolium-based membrane (0.04 mW cm(-2)). (C)2015 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000354490700002
引用统计
被引频次:19[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/321008/146254
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, Div Fuel Cell & Battery, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
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Yang, Congrong,Wang, Suli,Ma, Wenjia,et al. Comparison of alkaline stability of quaternary ammonium- and 1,2-methylimidazolium-based alkaline anion exchange membranes[J]. JOURNAL OF MEMBRANE SCIENCE,2015,487:12-18.
APA Yang, Congrong,Wang, Suli,Ma, Wenjia,Jiang, Luhua,&Sun, Gongquan.(2015).Comparison of alkaline stability of quaternary ammonium- and 1,2-methylimidazolium-based alkaline anion exchange membranes.JOURNAL OF MEMBRANE SCIENCE,487,12-18.
MLA Yang, Congrong,et al."Comparison of alkaline stability of quaternary ammonium- and 1,2-methylimidazolium-based alkaline anion exchange membranes".JOURNAL OF MEMBRANE SCIENCE 487(2015):12-18.
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