A novel anion exchange membranes with fluorinated poly(aryl ether oxadiazole)s ionomer for all-vanadium redox flow battery

被引：0
|
作者：
Xu M. [1 ,2 ]
Shang Y. [2 ]
Xie X. [2 ]
Lü Y. [1 ]
机构：
[1] College of Materials Science and Engineering, Beijing University of Chemical Technology
[2] Institute of Nuclear and New Energy Technology, Tsinghua University
来源：
Huagong Xuebao/CIESC Journal | 2011年 / 62卷 / SUPPL. 2期
关键词：
Anion exchange membranes; Fluorinated poly(aryl ether oxadiazole)s; Vanadium redox flow battery;
D O I：
10.3969/j.issn.0438-1157.2011.z2.027
中图分类号：
学科分类号：
摘要：
A novel fluorinated poly(aryl ether oxadiazole)s ionomer with quaternary imidazole groups were synthesized via copolymerization of 3, 3', 5, 5'-tetramethy biphenyl diphenol(TM-BP), 2, 5-bis(2, 3, 4, 5, 6-pentafluorophenyl)-1, 3, 4-oxadiazole (FPOx) and 6F-BPA, bromination of the benzylic methyl, and functionalization with N-methylimidazole. The anion exchange membranes (QFOAEMs) were obtained by solution casting method. The ion exchange capacity (IEC), conductivity, water uptake and swelling ratio of the QFOAEMs were studied. The results showed that the permeability of vanadium ion of QFOAEMs was 1.1×10 -8 cm 2·min -1, much less than that of Nafion117 membrane (3.8×10 -7 cm 2·min -1). The QFOAEMs membrane has a potential application for vanadium redox flow battery. © All Rights Reserved.
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页码：150 / 154
页数：4
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