Effect of Anion Exchange Membranes Derived from Polysulfone on the Performance of Electrical Double-Layer Capacitors

被引：0
|
作者：
Zhang H. [1 ]
Liang N. [1 ]
Xu J. [1 ]
Zuo D. [1 ]
机构：
[1] College of Materials Science and Engineering, Wuhan Textile University, Wuhan
来源：
Gaofenzi Cailiao Kexue Yu Gongcheng/Polymeric Materials Science and Engineering | 2019年 / 35卷 / 05期
关键词：
Anion exchange membrane; Electrical double-layer capacitor; Polysulfone; Specific capacitance;
D O I：
10.16865/j.cnki.1000-7555.2019.0127
中图分类号：
学科分类号：
摘要：
Silica nanoparticles were firstly grafted with hydrophilic organic chains or room temperature ionic liquid, and then they were doped with chloromethylated polysulfone to prepare composited anion-exchange membranes for the electrical double-layer capacitor (EDLC). The grafting of silica nanoparticles was confirmed by Fourier transform infrared spectroscopy, thermogravimetric analysis, scanning electron microscopy. The properties of anion-exchange membranes including water uptake, swelling ratio, mechanical property, ionic conductivity and performance of EDLCs were investigated. The EDLCs using anion-exchange membranes based on polysulfone show specific capacitances of 110 F/g at a current density of 1 A/g, which is comparable to the value of the EDLC using porous polypropylene membranes and KOH. Moreover, the retention rates of these EDLCs are close to 100% after 1000 cycles at a current density of 1 A/g. © 2019, Editorial Board of Polymer Materials Science & Engineering. All right reserved.
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页码：32 / 37
页数：5
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