LiFePO4 nanoparticles encapsulated in graphene nanoshells for high-performance lithium-ion battery cathodes

Huilong Fei; Zhiwei Peng; Yang Yang; Lei Li; Abdul-Rahman O. Raji; Errol L. G. Samuel; James M. Tour

doi:10.1039/C4CC02123A

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LiFePO₄ nanoparticles encapsulated in graphene nanoshells for high-performance lithium-ion battery cathodes†

Huilong Fei,^a Zhiwei Peng,^a Yang Yang,^b Lei Li,^a Abdul-Rahman O. Raji,^a Errol L. G. Samuel^a and James M. Tour*^abc

Author affiliations

* Corresponding authors

^a Department of Chemistry, Rice University, 6100 Main Street, Houston, Texas 77005, USA
E-mail: tour@rice.edu

^b The Smalley Institute for Nanoscale Science and Technology, Rice University, 6100 Main Street, Houston, Texas 77005, USA

^c Department of Materials Science and NanoEngineering, Rice University, 6100 Main Street, Houston, Texas 77005, USA

Abstract

LiFePO₄ encapsulated in graphene nanoshells (LiFePO₄@GNS) nanoparticles were synthesized by solid state reaction between graphene-coated Fe nanoparticles and LiH₂PO₄. The resulting nanocomposite was demonstrated to be a superior lithium-ion battery cathode with improved cycle and rate performances.

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Article information

DOI: https://doi.org/10.1039/C4CC02123A
Article type: Communication
Submitted: 21 Mar 2014
Accepted: 15 May 2014
First published: 19 May 2014

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Chem. Commun., 2014,50, 7117-7119

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LiFePO₄ nanoparticles encapsulated in graphene nanoshells for high-performance lithium-ion battery cathodes

H. Fei, Z. Peng, Y. Yang, L. Li, A. O. Raji, E. L. G. Samuel and J. M. Tour, Chem. Commun., 2014, 50, 7117 DOI: 10.1039/C4CC02123A

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Chemical Communications