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Synthesis of Microspherical LiFePO4-Carbon Composites for Lithium-Ion Batteries
Max-Planck Institute for Colloids and Interfaces, Am Muehlenberg 1, Golm/Potsdam 14424, Germany
School of Chemistry and Chemical Engineering, South China University of Technology, Wushan Road 381, Guangzhou 510640, China
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; in revised form: 16 July 2013 / Accepted: 17 July 2013 / Published: 22 July 2013
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
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MDPI and ACS Style
Yu, L.; Cai, D.; Wang, H.; Titirici, M.-M. Synthesis of Microspherical LiFePO4-Carbon Composites for Lithium-Ion Batteries. Nanomaterials 2013, 3, 443-452.
Yu L, Cai D, Wang H, Titirici M-M. Synthesis of Microspherical LiFePO4-Carbon Composites for Lithium-Ion Batteries. Nanomaterials. 2013; 3(3):443-452.
Yu, Linghui; Cai, Dandan; Wang, Haihui; Titirici, Maria-Magdalena. 2013. "Synthesis of Microspherical LiFePO4-Carbon Composites for Lithium-Ion Batteries." Nanomaterials 3, no. 3: 443-452.