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题名: Hydrophilic porous poly(sulfone) membranes modified by UV-initiated polymerization for vanadium flow battery application
作者: Li, Yun1, 2;  Zhang, Huamin1;  Zhang, Hongzhang1, 2;  Cao, Jingyu1, 2;  Xu, Wanxing1, 2;  Li, Xianfeng1
关键词: Vanadium flow battery ;  Porous membranes ;  Hydrophilic treatment
刊名: JOURNAL OF MEMBRANE SCIENCE
发表日期: 2014-03-15
DOI: 10.1016/j.memsci.2013.12.015
卷: 454, 页:478-487
收录类别: SCI
文章类型: Article
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: Hydrophilic porous poly (sulfone) (FSF) membranes were prepared and first employed in vanadium flow battery (VFB) operation. In this study, sodium p-styrene sulfonate (NaSS) was grafted on PSI' phase inversion membranes by UV-initiated vinyl monomer polymerization. The grafting degree (GD) of PSF membranes was adjusted via controlling the wavelength of ultraviolet light, the concentration of photoinitiator and the irradiation time. The effect of GD on the membranes hydrophilicity as well as their performance in VFB was studied in detail, It was proved that under the given condition, longer UVirradiation time could induce membranes with higher GD, which led to more hydrophilic membranes. Under VFB operating condition, the membranes exhibited lower area resistance and higher ions permeability. As a result, the VFBs fabricated with the membranes showed relatively high voltage efficiency and low columbic efficiency. The membranes with controlled performance in VFI3 can be realized via adjusting their hydrophilicity. (C) 2013 Elsevier B.V. All rights reserved.
关键词[WOS]: ULTRAFILTRATION MEMBRANES ;  GRAFT-POLYMERIZATION ;  SURFACE ;  FILTRATION ;  SEPARATOR
语种: 英语
WOS记录号: WOS:000330951200051
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145571
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

Recommended Citation:
Li, Yun,Zhang, Huamin,Zhang, Hongzhang,et al. Hydrophilic porous poly(sulfone) membranes modified by UV-initiated polymerization for vanadium flow battery application[J]. JOURNAL OF MEMBRANE SCIENCE,2014,454:478-487.
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