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题名: Porous poly (ether sulfone) membranes with tunable morphology: Fabrication and their application for vanadium flow battery
作者: Li, Yun1, 2;  Zhang, Huamin1;  Li, Xianfeng1;  Zhang, Hongzhang1, 2;  Wei, Wenping1, 2
关键词: Energy storage ;  Poly (ether sulfone) ;  Porous membranes ;  Vanadium flow battery
刊名: JOURNAL OF POWER SOURCES
发表日期: 2013-07-01
DOI: 10.1016/j.jpowsour.2013.01.088
卷: 233, 页:202-208
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Electrochemistry ;  Energy & Fuels
研究领域[WOS]: Electrochemistry ;  Energy & Fuels
英文摘要: Poly (ether sulfone) (PES) porous membranes with tunable morphology are prepared via phase inversion method and first investigated in vanadium flow battery (VFB) application. The morphology of PES membranes is adjusted via introducing hydrophilic poly (vinyl pyrrolidone) (PVP) in PES cast solutions. The effect of PVP (content, molecular weight) on the membranes morphology as well as their performance in VFB is studied in detail. The results show that: the addition of PVP in cast solutions could induce membranes with more porous structures and bigger pore size distribution. Therefore under VFB operating condition, the membranes show lower area resistance and higher ions permeability. As a result, the VFBs fabricated with the membranes show relatively higher voltage efficiency and lower coulombic efficiency. Thus the membranes with controlled performance in VFB can be realized via adjusting their morphology. This paper provides an effective way to optimize fabrication parameters of porous membranes for VFB application. (C) 2013 Elsevier B.V. All rights reserved.
关键词[WOS]: PHASE INVERSION MEMBRANES ;  HOLLOW-FIBER MEMBRANES ;  IMMERSION PRECIPITATION ;  PVP ;  PERFORMANCE ;  COMPLEXES
语种: 英语
WOS记录号: WOS:000316827000028
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/137674
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.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China

Recommended Citation:
Li, Yun,Zhang, Huamin,Li, Xianfeng,et al. Porous poly (ether sulfone) membranes with tunable morphology: Fabrication and their application for vanadium flow battery[J]. JOURNAL OF POWER SOURCES,2013,233:202-208.
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