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Highly alkaline stable N1-alkyl substituted 2-methylimidazolium functionalized alkaline anion exchange membranes
Yang, Congrong1,2; Wang, Suli1; Ma, Wenjia1; Jiang, Luhua1; Sun, Gongquan1
刊名JOURNAL OF MATERIALS CHEMISTRY A
2015-04-28
DOI10.1039/c5ta00562k
3期:16页:8559-8565
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Energy & Fuels ; Materials Science
关键词[WOS]OXYGEN REDUCTION REACTION ; FUEL-CELL APPLICATIONS ; IMIDAZOLIUM CATIONS ; THERMAL-PROPERTIES ; NMR-SPECTROSCOPY ; IONIC LIQUIDS ; HEAD-GROUPS ; DEGRADATION ; STABILITY ; SALTS
英文摘要Steric hindrance and hyperconjugative effects, introduced at the N1 position of 2-methylimidazolium, greatly enhance the alkaline stability of the 2-methylimidazolium functional group. 2-Methylimidazolium small molecule compounds with N1-substituents (butyl, hexyl or octyl) are stable in 1 M KOH at 80 degrees C for more than 3000 h. Accordingly, the membranes based on N1-butyl, hexyl or octyl-substituted 2-methylimidzolium exhibited much more alkaline stability than membranes based on other substituted 2-methylimidazolium compounds, reflected by the almost unchanged IEC, conductivity and dimensions of the membranes after being exposed to 1 M KOH at 60 degrees C for hundreds of hours. This work reports the preparation of highly alkaline stable 2-methylimidazolium-based membranes by modifying the N1 position of 2-methylimidazolium.
语种英语
WOS记录号WOS:000356372300018
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/146321
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, Dalian Natl Lab Clean Energy, Div Fuel Cell & Battery, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
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GB/T 7714
Yang, Congrong,Wang, Suli,Ma, Wenjia,et al. Highly alkaline stable N1-alkyl substituted 2-methylimidazolium functionalized alkaline anion exchange membranes[J]. JOURNAL OF MATERIALS CHEMISTRY A,2015,3(16):8559-8565.
APA Yang, Congrong,Wang, Suli,Ma, Wenjia,Jiang, Luhua,&Sun, Gongquan.(2015).Highly alkaline stable N1-alkyl substituted 2-methylimidazolium functionalized alkaline anion exchange membranes.JOURNAL OF MATERIALS CHEMISTRY A,3(16),8559-8565.
MLA Yang, Congrong,et al."Highly alkaline stable N1-alkyl substituted 2-methylimidazolium functionalized alkaline anion exchange membranes".JOURNAL OF MATERIALS CHEMISTRY A 3.16(2015):8559-8565.
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