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Issue 15, 2011
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Solid state synthesis of LiFePO4 studied by in situ high energy X-ray diffraction

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Abstract

The phase evolution and crystal structure transition of materials during solid-state synthesis of LiFePO4 were investigated by in situ high energy X-ray diffraction. It was found that the solid state reaction forming LiFePO4 started at a very low temperature, and LiFePO4 was clearly observed when the reaction temperature was above 173 °C. In situX-ray diffraction data also revealed that several impurities appeared when the reaction temperature was above 400 °C. These impurities were successfully indexed with ex situX-ray diffraction as Li3PO4, Fe2P, and Fe3P.

Graphical abstract: Solid state synthesis of LiFePO4 studied by in situ high energy X-ray diffraction

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Article information


Submitted
22 Nov 2010
Accepted
13 Jan 2011
First published
10 Mar 2011

J. Mater. Chem., 2011,21, 5604-5609
Article type
Paper

Solid state synthesis of LiFePO4 studied by in situ high energy X-ray diffraction

Z. Chen, Y. Ren, Y. Qin, H. Wu, S. Ma, J. Ren, X. He, Y.-K. Sun and K. Amine, J. Mater. Chem., 2011, 21, 5604
DOI: 10.1039/C0JM04049E

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