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Synthesis and Electrochemical Performance of SnO2/Graphene Hybrid Anode for Lithium Ion Batteries

Published online by Cambridge University Press:  06 September 2013

Chia-Yi Lin ,
Chien-Te Hsieh  and
Ruey-Shin Juang
Chia-Yi Lin
Affiliation:
Department of Chemical Engineering and Materials Science, Yuan Ze University, Taiwan
Chien-Te Hsieh
Affiliation:
Department of Chemical Engineering and Materials Science, Yuan Ze University, Taiwan
Ruey-Shin Juang
Affiliation:
Department of Chemical Engineering and Materials Science, Yuan Ze University, Taiwan
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Abstract

An efficient microwave-assisted polyol (MP) approach is report to prepare SnO2/graphene hybrid as an anode material for lithium ion batteries. The key factor to this MP method is to start with uniform graphene oxide (GO) suspension, in which a large amount of surface oxygenate groups ensures homogeneous distribution of the SnO2 nanoparticles onto the GO sheets under the microwave irradiation. The period for the microwave heating only takes 10 min. The obtained SnO2/graphene hybrid anode possesses a reversible capacity of 967 mAh g-1 at 0.1 C and a high Coulombic efficiency of 80.5% at the first cycle. The cycling performance and the rate capability of the hybrid anode are enhanced in comparison with that of the bare graphene anode. This improvement of electrochemical performance can be attributed to the formation of a 3-dimensional framework. Accordingly, this study provides an economical MP route for the fabrication of SnO2/graphene hybrid as an anode material for high-performance Li-ion batteries.

Keywords

microwave heatingnanoscalestructural
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1540: Symposium E – Materials and Integration Challenges for Energy Generation and Storage in Mobile Electronic Devices , 2013 , mrss13-1540-e06-11
Copyright
Copyright © Materials Research Society 2013 

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