Fabrication of polypyrrole (PPy) nanotube electrode for supercapacitors with enhanced electrochemical performance

被引：15
|
作者：
Liu, Xuyan [1 ]
Yang, Jiaxing [1 ]
Li, Xuyang [1 ]
Li, Qiang [1 ]
Xia, Yijie [1 ]
机构：
[1] Univ Shanghai Sci & Technol, Sch Mech Engn, 516 Jun Gong Rd, Shanghai 200093, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2020年 / 31卷 / 01期
基金：
中国国家自然科学基金;
关键词：
CARBON; POLYANILINE; OXIDE; NANOCOMPOSITE; NANOFIBER; ARRAYS; FILMS;
D O I：
10.1007/s10854-019-02562-9
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
PPy nanotubes were successfully fabricated by a simple situ polymerization method, using FeCl3 as oxidant, methyl orange (MO) formed by the role of micelles as a guide and soft template. By varying the ratio of oxidant to pyrrole (Py) monomer, the best nanotube structure is obtained when the ratio of Py is 0.5 (mark this specimen as A(3)). Moreover, the electrochemical properties of PPy nanotube electrode are investigated by cyclic voltammetry (CV), galvanostatic charge/discharge (GCD) and electrochemical impedance spectroscopy (EIS). A(3) exhibits excellent cycle performance and electrochemical performance. Meanwhile, the specific capacitance of sample A(3) is 281.2 F g(-1) at a current density of 1 A g(-1) and can still retain about 78% after 1000 cycles.
引用
收藏
页码：581 / 586
页数：6
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