Issue 8, 2013
From the journal:

RSC Advances

Facile and rapid synthesis of highly crumpled graphene sheets as high-performance electrodes for supercapacitors†

Jun Yan,a   Ying Xiao,a   Guoqing Ning,b   Tong Weia  and  Zhuangjun Fan*a  

* Corresponding authors

a Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
E-mail: fanzhj666@163.com
Tel: +86 451 82569890

b State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Changping 102249, Beijing, China

Abstract

Highly crumpled graphene sheets (HCGSs) have been prepared by a facile and rapid route through freezing a chemically reduced graphene oxide aqueous suspension with liquid nitrogen. The porous and highly crumpled graphene structure with a large surface area and pore volume facilitates fast ionic transport within the electrode while preserving excellent electrical conductivity and thus endows HCGSs with excellent electrochemical properties. As the electrodes for supercapacitors, the HCGSs exhibit high specific capacitance (259 F g−1), excellent rate capability and cycling stability (93% retention after 5000 cycles).

Graphical abstract: Facile and rapid synthesis of highly crumpled graphene sheets as high-performance electrodes for supercapacitors

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Article information

DOI
https://doi.org/10.1039/C2RA22685E
Article type
Paper
Submitted
18 Sep 2012
Accepted
10 Dec 2012
First published
11 Dec 2012

RSC Adv., 2013,3, 2566-2571

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Facile and rapid synthesis of highly crumpled graphene sheets as high-performance electrodes for supercapacitors

J. Yan, Y. Xiao, G. Ning, T. Wei and Z. Fan, RSC Adv., 2013, 3, 2566 DOI: 10.1039/C2RA22685E

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