Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/36158
Title: Silica-assistant synthesis of three-dimensional graphene architecture and its application as anode material for lithium ion batteries
Authors: Tang, JJ
Chen, GH
Yang, J
Zhou, XY
Zhou, LM 
Huang, B
Keywords: Three-dimensional graphene
Silica-assistant synthesis
Thermal reduction
Electrochemical performance
Lithium ion batteries
Issue Date: 2014
Publisher: Elsevier
Source: Nano energy, 2014, v. 8, p. 62-70 How to cite?
Journal: Nano energy 
Abstract: A new approach for scalable synthesis of three-dimensional graphene (3d-G) with the assistant of silica is reported. Silica is generated on the surface of graphene oxide through a facile solution reaction. Graphene coated by silica is reduced through thermal reduction. 3d-G can be obtained after the subsequent etching process. The structures and morphologies of samples are investigated. It is demonstrated that the agglomeration of individual graphene sheets during the thermal reduction is effectively avoided under the perfect protection of silica. The electrochemical studies of the material show a significant enhancement in the specific capacity and rate capability of the lithium ion battery over commercially available graphite electrodes due to its unique 3D cross-linked graphene architecture. This method enables us to develop a facile and effective approach to scalable preparation of graphene.
URI: http://hdl.handle.net/10397/36158
ISSN: 2211-2855
DOI: 10.1016/j.nanoen.2014.05.008
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