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学科主题: 物理化学
题名: Imidazolium functionalized polysulfone anion exchange membrane for fuel cell application
作者: Zhang, Fengxiang1;  Zhang, Huamin1;  Qu, Chao1
通讯作者: 张凤祥 ;  张华民
刊名: JOURNAL OF MATERIALS CHEMISTRY
发表日期: 2011
DOI: 10.1039/c1jm10656b
卷: 21, 期:34, 页:12744-12752
收录类别: SCI
文章类型: Article
部门归属: DNL17
项目归属: DNL17
产权排名: 1,1
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Materials Science, Multidisciplinary
摘要: Imidazolium functionalized polysulfone anion exchange membrane for fuel cell application
研究领域[WOS]: Chemistry ;  Materials Science
英文摘要: Alkaline anion exchange membrane (AEM) is the key material for anion exchange membrane fuel cells (AEMFC), which can potentially outperform proton exchange membrane fuel cells due to facile oxygen reduction kinetics and wide catalyst choices. Quaternary ammonium (QA) AEMs have been shown to be low in alkaline stability, and their fabrication often involves carcinogenic chemicals. Therefore, recent years have witnessed emerging research efforts in developing non-QA AEMs. As part of these efforts, this work reports imidazolium AEMs that were fabricated via functionalization of chloromethylated polysulfone with methylimidazole. The membrane exhibited ion exchange capacity, conductivity and thermal stability that are comparable or superior to those of conventional membranes. A H(2)/O(2) fuel cell using the synthesized membrane yielded a peak power density of 16 mW cm(-2). Although this result is not high and the membrane stability is still an issue, the potential of using imidazolium AEM in a fuel cell is seen. This work opens up a new route for non-QA AEM design and fabrication. Based on the chemistry involved, it is anticipated that different chloro- or bromomethylated aromatic polymers and imidazole derivatives may be used to optimize membrane conductivity and stability, thus offering the possibility to fabricate high performance AEM.
关键词[WOS]: ALKALINE POLYMER ELECTROLYTE ;  PERFORMANCE ;  CONDUCTIVITY ;  METHACRYLATE ;  ACRYLATE
语种: 英语
WOS记录号: WOS:000293898300025
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/115706
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Ctr Energy Storage Batteries & Technol, Dalian 116023, Peoples R China

Recommended Citation:
Zhang, Fengxiang,Zhang, Huamin,Qu, Chao. Imidazolium functionalized polysulfone anion exchange membrane for fuel cell application[J]. JOURNAL OF MATERIALS CHEMISTRY,2011,21(34):12744-12752.
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