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题名: Preparation and characterization of Nafion/SPEEK layered composite membrane and its application in vanadium redox flow battery
作者: Luo, Qingtao1, 2;  Zhang, Huamin1;  Chen, Jian1;  You, Dongjiang1, 2;  Sun, Chenxi1, 2;  Zhang, Yu1, 2
通讯作者: 张华民
关键词: Vanadium redox flow battery ;  N/S layered composite membrane ;  Chemical crosslink ;  Low cost
刊名: JOURNAL OF MEMBRANE SCIENCE
发表日期: 2008-12-01
DOI: 10.1016/j.memsci.2008.08.025
卷: 325, 期:2, 页:553-558
收录类别: SCI
文章类型: Article
部门归属: 3
项目归属: 303
产权排名: 1;1
WOS标题词: Science & Technology ;  Technology ;  Physical Sciences
类目[WOS]: Engineering, Chemical ;  Polymer Science
研究领域[WOS]: Engineering ;  Polymer Science
英文摘要: In order to reduce the cost of membrane used in vanadium redox flow battery (VRB) system while keeping its chemical stability, Nafion/sulfonated poly(ether ether ketone) (SPEEK) layered composite membrane (N/S membrane) consisting of a thin layer of recast Nafion membrane and a layer of SPEEK membrane were prepared by chemical crosslink the sulfonic acid groups of different ionomer membranes. Scanning electron microscopy (SEM) and IR spectra analysis of the membrane showed that Nafion layer was successfully deposited on the SPEEK membrane surface and an integral layered membrane structure was formed. The area resistance and permeability of vanadium ions of membrane were also measured. It was found that N/S membrane have a very low permeability of vanadium ions accompanied by a little higher area resistance compared with Nafion membrane, As a result, the VRB single cell with N/S membrane exhibited higher coulombic efficiency and lower voltage efficiency compared with VRB single cell with Nafion membrane. Although N/S membrane delivered relatively lower energy efficiency compared with Nafion membrane, its good chemical stability and low cost make it a suitable substitute for Nafion membrane used in VRB system. (C) 2008 Elsevier B.V. All rights reserved.
关键词[WOS]: METHANOL FUEL-CELLS ;  EXCHANGE MEMBRANE ;  CROSS-LINKING ;  SEPARATOR ;  POLYMER
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000262946800007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/100917
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, Lab PEMFC Key Mat & Technol, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Luo, Qingtao,Zhang, Huamin,Chen, Jian,et al. Preparation and characterization of Nafion/SPEEK layered composite membrane and its application in vanadium redox flow battery[J]. JOURNAL OF MEMBRANE SCIENCE,2008,325(2):553-558.
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