Issue 35, 2013
From the journal:

RSC Advances

Facile assembly of a 3D rGO/MWCNTs/Fe2O3 ternary composite as the anode material for high-performance lithium ion batteries

Jinlong Liu,ab   Jianbo Jiang,a   Dong Qian,*ab   Gongrong Tan,a   Sanjun Peng,a   Huimin Yuan,a   Dongming Luo,a   Qunfeng Wanga  and  Youcai Liu*a  

* Corresponding authors

a College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
E-mail: qiandong6@vip.sina.com, liuyoucai@126.com
Fax: +86-731-88879616
Tel: +86-731-88879616

b State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, P. R. China

Abstract

A three-dimensional (3D) reduced graphene oxide (rGO)/multi-walled carbon nanotubes (MWCNTs)/Fe2O3 ternary composite was fabricated by a facile, green and economical one-step urea-assisted hydrothermal approach as a promising anode material for high-performance lithium ion batteries. Designing and tailoring the 3D porous hierarchical nanostructure of rGO/MWCNTs/Fe2O3 contributes to a robust hybrid material with overwhelmingly superior electrochemical performances compared with bare Fe2O3, MWCNTs/Fe2O3, rGO/Fe2O3 and a physical mixture of rGO/Fe2O3 and MWCNTs, due to the strong synergistic effects among the individual component. The 3D rGO/MWCNTs/Fe2O3 composite exhibits highly enhanced specific capacity, cycling performance and rate capability: initial discharge and charge capacities of 1692 and 1322 mAh g−1 at 100 mA g−1, respectively, 1118 mAh g−1 after 50 cycles at 100 mA g−1 and 785 mAh g−1 at 1000 mA g−1. The assembling mechanism well illustrates the simple strategy, and the comprehensive electrochemical investigations further demonstrate its supernormal effectiveness, which could be extended to various transition metal oxides for energy storage and conversion.

Graphical abstract: Facile assembly of a 3D rGO/MWCNTs/Fe2O3 ternary composite as the anode material for high-performance lithium ion batteries

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Article information

DOI
https://doi.org/10.1039/C3RA42780C
Article type
Paper
Submitted
29 Apr 2013
Accepted
25 Jun 2013
First published
02 Jul 2013

RSC Adv., 2013,3, 15457-15466

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Facile assembly of a 3D rGO/MWCNTs/Fe2O3 ternary composite as the anode material for high-performance lithium ion batteries

J. Liu, J. Jiang, D. Qian, G. Tan, S. Peng, H. Yuan, D. Luo, Q. Wang and Y. Liu, RSC Adv., 2013, 3, 15457 DOI: 10.1039/C3RA42780C

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