Issue 17, 2014

Graphene anchored with ZrO2 nanoparticles as anodes of lithium ion batteries with enhanced electrochemical performance

Abstract

A green and facile strategy was reported to synthesize the composite of graphene decorated with ZrO2 nanoparticles as a good candidate for the anode material of lithium-ion batteries. ZrO2 nanoparticles are uniformly anchored on the surface of graphene with an average size of 5.5 nm. This graphene/ZrO2 composite shows high specific capacity, high coulomb efficiency, excellent rate performance and cycling stability due to the sandwich-like stable structure with ZrO2 as the inert pillar supporting graphene, which offers more active sites for Li+ insertion. The strong interaction between graphene and ZrO2 plays a key role in maintaining the structure stability against the irreversible volume change during Li+ insertion/extraction.

Graphical abstract: Graphene anchored with ZrO2 nanoparticles as anodes of lithium ion batteries with enhanced electrochemical performance

Supplementary files

Article information

Article type
Paper
Submitted
15 Dec 2013
Accepted
14 Jan 2014
First published
15 Jan 2014

RSC Adv., 2014,4, 8472-8480

Author version available

Graphene anchored with ZrO2 nanoparticles as anodes of lithium ion batteries with enhanced electrochemical performance

H. Xu, S. Yuan, Z. Wang, Y. Zhao, J. Fang and L. Shi, RSC Adv., 2014, 4, 8472 DOI: 10.1039/C3RA47653G

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