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

Authors

Da-wei YANG, Huai An Kerun Film Material Co., Ltd, Huai'an 211600, Jiangsu, China;
Yan-qing DONG, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China;
Jing-min FAN, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China;
Ming-sen ZHENG, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China;
Quan-feng DONG, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China;Follow

Corresponding Author

Quan-feng DONG(qfdong@xmu.edu.cn)

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.

Graphical Abstract

Keywords

all vanadium redox flow batteries, sulfonated-graphene, Nafion membrane, membrane

DOI Link

https://doi.org/10.13208/j.electrochem.150724

Publication Date

2015-10-28

Online Available Date

2015-10-28

Revised Date

2015-09-30

Received Date

2015-07-24

Recommended Citation

Da-wei YANG, Yan-qing DONG, Jing-min FAN, Ming-sen ZHENG, Quan-feng DONG. Sulfonated-Graphene/Nafion Composite Membrane for All Vanadium Redox Flow Batteries[J]. Journal of Electrochemistry, 2015 , 21(5): 407-410.
DOI: 10.13208/j.electrochem.150724
Available at: https://jelectrochem.xmu.edu.cn/journal/vol21/iss5/2

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