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Nanomaterials 2013, 3(3), 443-452; doi:10.3390/nano3030443
Article

Synthesis of Microspherical LiFePO4-Carbon Composites for Lithium-Ion Batteries

1
,
2
,
2
 and
3,*
1 Max-Planck Institute for Colloids and Interfaces, Am Muehlenberg 1, Golm/Potsdam 14424, Germany 2 School of Chemistry and Chemical Engineering, South China University of Technology, Wushan Road 381, Guangzhou 510640, China 3 School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London E14NS, UK
* Author to whom correspondence should be addressed.
Received: 27 June 2013 / Revised: 16 July 2013 / Accepted: 17 July 2013 / Published: 22 July 2013
(This article belongs to the Special Issue Nanomaterials in Energy Conversion and Storage)
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Abstract

This paper reports an “all in one” procedure to produce mesoporous, micro-spherical LiFePO4 composed of agglomerated crystalline nanoparticles. Each nanoparticle is individually coated with a thin glucose-derived carbon layer. The main advantage of the as-synthesized materials is their good performance at high charge-discharge rates. The nanoparticles and the mesoporosity guarantee a short bulk diffusion distance for both lithium ions and electrons, as well as additional active sites for the charge transfer reactions. At the same time, the thin interconnected carbon coating provides a conductive framework capable of delivering electrons to the nanostructured LiFePO4.
Keywords: energy storage; nanomaterials; lithium-ion batteries; LiFePO4 energy storage; nanomaterials; lithium-ion batteries; LiFePO4
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Yu, L.; Cai, D.; Wang, H.; Titirici, M.-M. Synthesis of Microspherical LiFePO4-Carbon Composites for Lithium-Ion Batteries. Nanomaterials 2013, 3, 443-452.

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