全钒液流电池磺化石墨烯/Nafion复合膜的研究

doi:10.13208/j.electrochem.150724

电化学 ›› 2015, Vol. 21 ›› Issue (5): 407-410.doi: 10.13208/j.electrochem.150724

全钒液流电池磺化石墨烯/Nafion复合膜的研究

杨大伟¹，董燕青²，范镜敏²，郑明森²，董全峰^2*

1. 淮安科润膜材料有限公司，江苏淮安 211600；2. 厦门大学化学化工学院化学系，福建厦门 361005

收稿日期:2015-07-24 修回日期:2015-09-30 出版日期:2015-10-28 发布日期:2015-11-05
通讯作者: 董全峰 E-mail: qfdong@xmu.edu.cn
作者简介:董全峰
基金资助:
江苏省科技厅项目（No. BE2013084，No. BA2014117）

Sulfonated-Graphene/Nafion Composite Membrane for All Vanadium Redox Flow Batteries

YANG Da-wei¹, DONG Yan-qing², FAN Jing-min², ZHENG Ming-sen², DONG Quan-feng^2*

1. Huai An Kerun Film Material Co., Ltd, Huai'an 211600, Jiangsu, China; 2. Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China

Received:2015-07-24 Revised:2015-09-30 Online:2015-10-28 Published:2015-11-05
Contact: DONG Quan-feng E-mail: qfdong@xmu.edu.cn
About author:DONG Quan-feng

摘要/Abstract

摘要：

本文通过磺化石墨烯对Nafion膜进行改性，研究了磺化石墨烯/Nafion复合膜（GRS-Nafion复合膜）的吸水率、电阻率和钒离子迁移数. 结果表明，经磺化石墨烯改性之后，GRS-Nafion复合膜的面电阻和钒离子渗透率显著降低. 全钒液流电池的测试结果表明，GRS-Nafion复合膜有着更加优异的电化学性能，展示出GRS-Nafion复合膜在液流电池中的应用潜力.

关键词: 全钒液流电池, 磺化石墨烯, Nafion膜, 隔膜

Abstract:

Nafion membrane has been widely used in fuel cells due to its good proton conductivity, chemical and mechanical stabilities. However, the well-developed water channels in Nafion membrane have restricted its application in all vanadium redox flow batteries owing to the high permeation of vanadium ions and the cost. In this work, the water adsorption rate, resistivity and transference number of vanadium ions of sulfonated-graphene/Nafion composite membrane were investigated and compared with those of Nafion membrane in an effort to overcome the abovementioned drawbacks. It was found that the area resistivity and permeation rate of sulfonated-graphene/Nafion composite membrane were significantly reduced after the modification of Nation membrane by sulfonated grapheme. The results from the all vanadium redox flow battery indicated that the sulfonated-graphene/Nafion composite membrane exhibited better electrochemical performance, demonstrating potential application in all vanadium redox flow batteries.

Key words: all vanadium redox flow batteries, sulfonated-graphene, Nafion membrane, membrane

中图分类号:

TM911
O646

杨大伟，董燕青，范镜敏，郑明森，董全峰. 全钒液流电池磺化石墨烯/Nafion复合膜的研究[J]. 电化学, 2015, 21(5): 407-410.

YANG Da-wei, DONG Yan-qing, FAN Jing-min, ZHENG Ming-sen, DONG Quan-feng. Sulfonated-Graphene/Nafion Composite Membrane for All Vanadium Redox Flow Batteries[J]. Journal of Electrochemistry, 2015, 21(5): 407-410.

参考文献

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全钒液流电池磺化石墨烯/Nafion复合膜的研究

Sulfonated-Graphene/Nafion Composite Membrane for All Vanadium Redox Flow Batteries

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