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Nafion/polyvinylidene fluoride blend membranes with improved ion selectivity for vanadium redox flow battery application
Mai, Zhensheng1,2; Zhang, Huamin1; Li, Xianfeng1; Xiao, Shaohua1,2; Zhang, Hongzhang1,2
关键词Polymer Blends Ion Exchange Membranes Vanadium Redox Flow Battery
刊名JOURNAL OF POWER SOURCES
2011-07-01
DOI10.1016/j.jpowsour.2011.02.048
196期:13页:5737-5741
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
关键词[WOS]METHANOL FUEL-CELLS ; POLY(VINYLIDENE FLUORIDE) ; NAFION MEMBRANE ; PERFLUOROSULFONATE IONOMER ; MISCIBILITY ; PERFORMANCE
英文摘要Nafion/PVDF blends are employed to prepare the ion exchange membranes for vanadium redox flow battery (VRB) application for the first time. The addition of the highly crystalline and hydrophobic PVDF effectively confines the swelling behavior of Nafion. In VRB single cell test, the Nafion/PVDF binary membranes exhibit higher columbic efficiency than recast Nafion at various current densities. The blend membrane with 20 wt% of PVDF (N(0.8)P(0.2)) shows energy efficiency of 85% at 80 mA cm(-2), which is superior to that of recast Nafion. N(0.8)P(0.2) membrane also possesses twice longer duration in OCV decay test and much lower permeation of VO(2+) compared with recast Nafion. These results indicate that the addition of PVDF is a simple and efficient way to improve the ion selectivity of Nafion, and the polymer blends with optimized mass fraction of PVDF show good potential for VRB application. (C) 2011 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000291144000049
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/142727
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, PEMFC Key Mat & Technol Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
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GB/T 7714
Mai, Zhensheng,Zhang, Huamin,Li, Xianfeng,et al. Nafion/polyvinylidene fluoride blend membranes with improved ion selectivity for vanadium redox flow battery application[J]. JOURNAL OF POWER SOURCES,2011,196(13):5737-5741.
APA Mai, Zhensheng,Zhang, Huamin,Li, Xianfeng,Xiao, Shaohua,&Zhang, Hongzhang.(2011).Nafion/polyvinylidene fluoride blend membranes with improved ion selectivity for vanadium redox flow battery application.JOURNAL OF POWER SOURCES,196(13),5737-5741.
MLA Mai, Zhensheng,et al."Nafion/polyvinylidene fluoride blend membranes with improved ion selectivity for vanadium redox flow battery application".JOURNAL OF POWER SOURCES 196.13(2011):5737-5741.
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