A significantly improved membrane for vanadium redox flow battery

被引：157
作者：
Jia, Chuankun [1 ]
Liu, Jianguo [1 ]
Yan, Chuanwei [1 ]
机构：
[1] Chinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2010年 / 195卷 / 13期
关键词：
Sulfonated poly(ether ether ketone); Tungstophosphoric acid; Vanadium; Redox flow battery; Proton exchange membrane; COMPOSITE MEMBRANE; CELL;
D O I：
10.1016/j.jpowsour.2010.02.008
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A novel sandwich-type sulfonated poly(ether ether ketone) (SPEEK)/tungstophosphoric acid (TPA)/polypropylene (PP) composite membrane for a vanadium redox flow battery (VRB) has been developed with improved properties: the permeability of vanadium ions is greatly reduced and the performance of the VRB cell is greatly increased. The membrane is based on a traditional SPEEK membrane embedded with TPA but PP is used to enhance the membrane for the first time. Although its voltage efficiency (VE) is a little lower than that of a Nafion 212 membrane, it is expected to have good prospects for VRB systems because of its low cost and good performance. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：4380 / 4383
页数：4
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