期刊
ELECTROCHIMICA ACTA
卷 222, 期 -, 页码 12-19出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2016.11.033
关键词
Spray-drying; Polyaniline; Graphene; Microsphere; Supercapacitors
资金
- National Natural Science Foundation of China [21274043]
Microspherical polyaniline/graphene (PANI/C-MS) composites are synthesized using sheet-like polyaniline/graphene oxide (PANI/GO) composites as raw materials via spray-drying and chemical reduction process, in which the granulated polyaniline (PANI) is in-situ grown on the surface of graphene oxide. For PANI/G-MS composites, PANI uniformly coats on the surface of graphene which can constitute a high conductive network to accelerate electronic transmission in the composites electrode for super capacitors. Moreover, PANI/G-MS composites form numerous channels among their spherical particles during random stacking of sheet-like PANI/GO composites via spray-drying process. Due to the special structure, the electrochemical capacitance of the as-synthesized PANI/G-MS composite reaches 596.2 and 447.5 Fg(-1) at a current density of 0.5 and 20 A g(-1), respectively, indicating superior rate capability. Additionally, after 1500 cycles at a current density of 2 A g-1, 83.7% of the initial capacitance is retained. (C) 2016 Elsevier Ltd. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据