Three-dimensional graphene/polyaniline composite material for high-performance supercapacitor applications

被引：108

作者：

Liu, Huili ^{[1
,2
]}

Wang, Yi ^{[2
]}

Gou, Xinglong ^{[1
]}

Qi, Tao ^{[2
]}

Yang, Jun ^{[3
]}

Ding, Yulong ^{[3
]}

机构：

[1] China W Normal Univ, Coll Chem & Chem Engn, Nanchong 637000, Peoples R China

[2] Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China

[3] Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China

来源：

MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2013年 / 178卷 / 05期

基金：

英国工程与自然科学研究理事会;

关键词：

Supercapacitor; Three-dimensional graphene; Polyaniline; Composite material; ELECTROCHEMICAL CAPACITORS; GRAPHENE OXIDE; GRAPHITE OXIDE; POLYANILINE; CARBON; ELECTRODES; FABRICATION; NANOSHEETS; REDUCTION; NANOWIRES;

D O I：

10.1016/j.mseb.2012.12.002

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A novel three-dimensional (3D) graphene/polyaniline nanocomposite material which is synthesized using in situ polymerization of aniline monomer on the graphene surface is reported as an electrode for supercapacitors. The morphology and structure of the material are characterized by scanning electron microscopy (SEM), transmission electron microscope (TEM), Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD). The electrochemical properties of the resulting materials are systematically studied using cyclic voltammetry (CV) and constant current charge-discharge tests. A high gravimetric capacitance of 463 Fg(-1) at a scan rate of 1 mVs(-1) is obtained by means of CVs with 3 mol L-1 KOH as the electrolyte. In addition, the composite material shows only 9.4% capacity loss after 500 cycles, indicating better cyclic stability for supercapacitor applications. The high specific surface area, large mesopore volume and three-dimensional nanoporous structure of 3D graphene could contribute to the high specific capacitance and good cyclic life. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：293 / 298

页数：6

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