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Issue 13, 2017
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Unique interconnected graphene/SnO2 nanoparticle spherical multilayers for lithium-ion battery applications

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Abstract

We have designed and synthesized a unique structured graphene/SnO2 composite, where SnO2 nanoparticles are inserted in between interconnected graphene sheets which form hollow spherical multilayers. The hollow spherical multilayered structure provides much flexibility to accommodate the configuration and volume changes of SnO2 in the material. When it is used as an anode material for lithium-ion batteries, such a novel nanostructure can not only provide a stable conductive matrix and suppress the mechanical stress, but also eliminate the need of any binders for constructing electrodes. Electrochemical tests show that the unique graphene/SnO2 composite electrode as designed could exhibit a large reversible capacity over 1000 mA h gāˆ’1 and long cycling life with 88% retention after 100 cycles. These results indicate the great potential of the composite for being used as a high performance anode material for lithium-ion batteries.

Graphical abstract: Unique interconnected graphene/SnO2 nanoparticle spherical multilayers for lithium-ion battery applications

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Article information


Submitted
16 Dec 2016
Accepted
29 Jan 2017
First published
16 Mar 2017

Nanoscale, 2017,9, 4439-4444
Article type
Paper

Unique interconnected graphene/SnO2 nanoparticle spherical multilayers for lithium-ion battery applications

Q. Shao, J. Tang, Y. Sun, J. Li, K. Zhang, J. Yuan, D. Zhu and L. Qin, Nanoscale, 2017, 9, 4439
DOI: 10.1039/C6NR09689A

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