Fabrication of High-Surface-Area Graphene/Polyaniline Nanocomposites and Their Application in Supercapacitors

被引：312

作者：

Li, Zhe-Fei ^{[1
]}

Zhang, Hangyu ^{[2
]}

Liu, Qi ^{[1
]}

Sun, Lili ^{[1
]}

Stanciu, Lia ^{[2
,3
]}

Xie, Jian ^{[1
]}

机构：

[1] Indiana Univ Purdue Univ IUPUI, Purdue Sch Engn & Technol, Dept Mech Engn, Indianapolis, IN 46202 USA

[2] Purdue Univ, Weldon Sch Biomed Engn, W Lafayette, IN 47907 USA

[3] Purdue Univ, Sch Mat Engn, W Lafayette, IN 47907 USA

来源：

ACS APPLIED MATERIALS & INTERFACES | 2013年 / 5卷 / 07期

关键词：

graphene; polyaniline; nanocomposites; N-2 adsorption isotherm; supercapacitor; REDUCED GRAPHENE OXIDE; ELECTROCHEMICAL CAPACITORS; GRAPHITE OXIDE; SHEETS; FILMS; POLYANILINE; PERFORMANCE; ENERGY; NANOPARTICLES; NANORIBBONS;

D O I：

10.1021/am4001634

中图分类号：

TB3 [工程材料学];

学科分类号：

082905 [生物质能源与材料];

摘要：

Graphene/polyaniline (PANI) nanocomposites were prepared by reducing graphene oxide with hydrazine in the presence of different amounts of polyaniline nanoparticles. In situ cryo-transmission electron microscope (TEM) images of a graphene oxide (GO)/PANI solution revealed that the PANI nanoparticles were anchored on the surface of the GO sheets. During the reduction, the as-adsorbed PANI nanoparticles were sandwiched between layers of graphene sheets. These PANI nanoparticles acted as spacers to create gaps between neighboring graphene sheets, resulting in a higher surface area compared to pure graphene. Graphene/PANI nanocomposites exhibited the high specific surface area of 891 m(2)/g. Utilizing this composite material, a supercapacitor with a specific capacitance of 257 F/g at a current density of 0.1 A/g has been achieved.

引用

页码：2685 / 2691

页数：7

共 47 条

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