期刊
JOURNAL OF POWER SOURCES
卷 195, 期 13, 页码 4380-4383出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2010.02.008
关键词
Sulfonated poly(ether ether ketone); Tungstophosphoric acid; Vanadium; Redox flow battery; Proton exchange membrane
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.
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