Template-sacrificed synthesis of polypyrrole nanofibers for lithium battery

被引：18
|
作者：
Li, Xiujuan [1 ]
Fang, Dong [1 ]
Cao, Yunhe [1 ]
Luo, Zhiping
Jiang, Ming [1 ]
Xu, Weilin [1 ]
Xiong, Chuanxi [1 ,2 ]
机构：
[1] Wuhan Text Univ, Key Lab Green Proc & Funct Text New Text Mat, Minist Educ, Coll Mat Sci & Engn, Wuhan 410000, Peoples R China
[2] Fayetteville State Univ, Dept Chem & Phys, Fayetteville, NC 28301 USA
来源：
JOURNAL OF MATERIALS SCIENCE | 2016年 / 51卷 / 20期
基金：
湖北省教育厅重点项目;
关键词：
COMPOSITE CATHODE MATERIALS; ANODE MATERIALS; PERFORMANCE; ELECTRODE; RAMAN;
D O I：
10.1007/s10853-016-0199-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Polypyrrole (PPy) nanofibers have been prepared for the first time using Fe2O3 hollow nanofibers as a sacrificial template, and characterized by scanning electron microscopy, X-ray diffraction, Fourier transform infrared spectrum, and Raman spectroscopy. The results show that pyrrole was uniformly polymerized around the Fe2O3 and the Fe2O3 was subsequently removed thoroughly with HCl. The electrochemical properties of the PPy nanofibers for lithium battery were investigated with cyclic voltammetry, galvanostatic charge-discharge test, and rate performance. The as-prepared PPy nanofibers composed by nanoparticles exhibited with good rate performance, which delivered a high discharge capacity of 98 mA h g(-1) after 50 cycles between 2.0 and 3.8 V at 30 mA g(-1).
引用
收藏
页码：9526 / 9533
页数：8
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