Fabrication of Flexible PVA/Polyaniline/WS2 Composite Film and Its High Capacitance Behaviors

被引：8
作者：
Liang, Aiqin [1 ]
Zhu, Danhua [1 ]
Xu, Liming [1 ]
Zhou, Weiqiang [1 ]
Xu, Jingkun [1 ]
Duan, Xuemin [2 ]
机构：
[1] Jiangxi Sci & Technol Normal Univ, Jiangxi Engn Lab Waterborne Coatings, Nanchang 330013, Jiangxi, Peoples R China
[2] Jiangxi Sci & Technol Normal Univ, Sch Pharm, Nanchang 330013, Jiangxi, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2020年 / 15卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Flexible films; WS2; nanosheets; Polyaniline; Supercapacitors; REDUCED GRAPHENE OXIDE; WS2; NANOSHEETS; SUPERCAPACITORS; ELECTRODES; POLYANILINE; MOS2;
D O I：
10.20964/2020.10.32
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A flexible ternary composite film based on polyvinyl alcohol (PVA), polyaniline (PANT) and WS2 was prepared via the electropolymerization of the prefabricated PVA/aniline/WS2 hydrogel. As-prepared PVA/PANI/WS2 composite film was characterized by scanning electron microscopy, X-ray photoelectron spectroscopy, energy dispersive X-ray spectrometry, and electrochemical technologies. The PVA/PANVWS(2) film had a specific capacitance of 2437 mF cm(-2) at 2 mV s(-1) in H2SO4 solution (1.0 M). After 5000 cycles, the capacitance retention reached 70% of initial specific capacitance. The high electrochemical behavior of composite film was mainly attributed to the ionic conductivity of PVA and the integration of pseudocapacitance of PANI and WS2. This flexible PVA/PANVWS(2) film provided a potential application in flexible supercapacitor.
引用
收藏
页码：10541 / 10549
页数：9
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