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学科主题: 物理化学
题名: Hydrophobic asymmetric ultrafiltration PVDF membranes: an alternative separator for VFB with excellent stability
作者: Wei, Wenping1, 2;  Zhang, Huamin1;  Li, Xianfeng1;  Zhang, Hongzhang1, 2;  Li, Yun1, 2;  Vankelecom, Ivo3
通讯作者: 张华民 ;  李先锋
刊名: PHYSICAL CHEMISTRY CHEMICAL PHYSICS
发表日期: 2013
DOI: 10.1039/c2cp43761a
卷: 15, 期:6, 页:1766-1771
收录类别: SCI
合作性质: 
文章类型: Article
部门归属: DNL17
项目归属: DNL17
产权排名: 待补充
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical ;  Physics, Atomic, Molecular & Chemical
资助者: 1,1
研究领域[WOS]: Chemistry ;  Physics
英文摘要: Polyvinylidene fluoride (PVDF) ultrafiltration membranes were investigated for the first time in vanadium redox flow battery (VFB) applications. Surprisingly, PVDF ultrafiltration membranes with hydrophobic pore walls and relatively large pore sizes of several tens of nanometers proved able to separate vanadium ions and protons efficiently, thus being suitable as a VFB separator. The ion selectivity of this new type of VFB membrane could be tuned readily by controlling the membrane morphology via changes in the composition of the membrane casting solution, and the casting thickness. The results showed that the PVDF membranes offered good performances and excellent stability in VFB applications, where it could, performance-wise, truly substitute Nafion in VFB applications, but at a much lower cost.
关键词[WOS]: REDOX FLOW BATTERY ;  POLY(VINYLIDENE FLUORIDE) MEMBRANES ;  PHASE-INVERSION ;  CRYSTALLINE-STRUCTURE ;  COMPOSITE MEMBRANE ;  NAFION MEMBRANE ;  MORPHOLOGY ;  PROGRESS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000313566300003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/119353
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
3.Katholieke Univ Leuven KU Leuven, Fac Biosci Engn, Ctr Surface Chem & Catalysis, B-3001 Louvain, Belgium

Recommended Citation:
Wei, Wenping,Zhang, Huamin,Li, Xianfeng,et al. Hydrophobic asymmetric ultrafiltration PVDF membranes: an alternative separator for VFB with excellent stability[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2013,15(6):1766-1771.
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