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题名: Highly Stable Anion Exchange Membranes with Internal Cross-Linking Networks
作者: Xu, Wanxing1, 2;  Zhao, Yuyue1, 2;  Yuan, Zhizhang1, 2;  Li, Xianfeng1;  Zhang, Huamin1;  Vankelecom, Ivo F. J.3
刊名: ADVANCED FUNCTIONAL MATERIALS
发表日期: 2015-05-06
DOI: 10.1002/adfm.201500284
卷: 25, 期:17, 页:2583-2589
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Multidisciplinary ;  Chemistry, Physical ;  Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary ;  Physics, Applied ;  Physics, Condensed Matter
研究领域[WOS]: Chemistry ;  Science & Technology - Other Topics ;  Materials Science ;  Physics
英文摘要: Anion exchange membranes (AEMs) with excellent stability and high ion conductivity are fabricated via the formation of internal cross linking networks. The internal crosslinking networks are constructed by reacting 4,4'-bipyridine with chloromethylated polysulfone. The bipyridine group simultaneously functions as ionic conductor and cross linker in this system. The performance of the membrane is tuned via controlling the 4,4'-bipyridine content in the casting solution. The prepared membranes demonstrate excellent chemical stability and high ion conductivity under acidic conditions. As a consequence, the membranes show very promising performance for vanadium flow battery application, exhibiting a Coulombic efficiency of 99.2% and an energy efficiency of 81.8% at a current density of 140 mA cm(-2). The battery that is assembled with the prepared membrane shows a stable battery performance over more than 1600 cycles, which is by far the longest cycle life reported. These results indicate that the AEMs with internal crosslinking structures are promising candidates for battery systems and even for fuel cells.
关键词[WOS]: REDOX FLOW BATTERIES ;  POLY(ETHER ETHER KETONE) ;  FUEL-CELLS ;  CAPACITY DECAY ;  COMPLEXES ;  SPECTROSCOPY ;  DEGRADATION ;  TEMPERATURE ;  PERFORMANCE ;  SEPARATOR
语种: 英语
WOS记录号: WOS:000354200000011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146241
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, Div Energy Storage, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Katholieke Univ Leuven, Fac Biosci Engn, Ctr Surface Chem & Catalysis, B-3001 Leuven, Belgium

Recommended Citation:
Xu, Wanxing,Zhao, Yuyue,Yuan, Zhizhang,et al. Highly Stable Anion Exchange Membranes with Internal Cross-Linking Networks[J]. ADVANCED FUNCTIONAL MATERIALS,2015,25(17):2583-2589.
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