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Journal of Nanomaterials
Volume 2016, Article ID 4840301, 7 pages
http://dx.doi.org/10.1155/2016/4840301
Research Article

Synthesis of Highly Reduced Graphene Oxide for Supercapacitor

1Institute of Energy and Fuel, Xinxiang University, Xinxiang, Henan 453003, China
2School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan, Hubei 430073, China

Received 7 June 2016; Revised 2 October 2016; Accepted 24 October 2016

Academic Editor: Giuseppe Compagnini

Copyright © 2016 Chubei Wang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A facile method to synthesize highly reduced graphene oxide in solid phase was developed. The reduced graphene oxide was scarcely prepared in solid phase. Solid substances act as spacers and pillaring agents. Sheets can not be close to each other in reduction process, and sheets agglomeration might not form. After reduction reaction is complete, the spacers and pillaring agents are removed. The average interlayer spacing and surface area of product are bigger than those of reduced graphene oxide. The product has few-layered sheet, and the ratio of carbon to oxygen is high, which might imply that the product is more similar to graphene compared to reduced graphene oxide. The specific capacitance of product is almost three times higher than that of reduced graphene oxide at the same current density.