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Synthesis of LiFe0.97Nb0.03PO4C by High Temperature Ball Milling

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Abstract:

LiFe0.97Nb0.03PO4/C was synthesized by the method of high temperature ball milling (HTBM), using raw materials including Fe2O3, LiH2PO4, Nb2O5 and glucose, which was used as reductant and carbon source. The samples were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM) and electrochemical performance test. The sample synthesized at 700 °C for 8h showed excellent electrochemical properties, with the discharge capacity as high as 140 mA•h/g at 0.1C rate respectively. The sample also showed an excellent capacity retention as there was no significant capacity fade after 10 cycles.

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Periodical:

Advanced Materials Research (Volumes 616-618)

Pages:

1902-1905

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.616-618.1902

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Online since:

December 2012

Authors:

Juan Wang, Zhong Bao Shao, Hong Qiang Ru

Keywords:

High Temperature Ball Milling Method, Lithium Iron Phosphate, Nb-Doped

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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