Phase Structures of LiMn1.95Fe0.05O4 Prepared by Solution Combustion Synthesis and Molten-Salt Combustion Synthesis Methods

Gui Yang Liu; Bao Sen Wang; Ying He; Jun Ming Guo

doi:10.4028/www.scientific.net/AMR.625.255

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 625Phase Structures of LiMn1.95Fe0.05O4 Prepared by...

Phase Structures of LiMn_1.95Fe_0.05O₄ Prepared by Solution Combustion Synthesis and Molten-Salt Combustion Synthesis Methods

Abstract:

LiFe0.05Mn1.95O4 materials were prepared by molten-salts combustion synthesis and solution combustion synthesis methods, respectively. The phase structure and compositions of the products were determined by X-ray diffraction (XRD). The main phase of the products prepared by the two methods is LiMn2O4, but at 300-600oC, pure products can not be obtained. At the temperatures of 300 and 400oC, the main impurities are MnO and Mn3O4. The impurities decrease with increasing temperatures, and finally disappear at >500oC. At 500 and 600oC, the main impurity is Mn2O3, but the relative content of Mn2O3 is low.

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Periodical:

Advanced Materials Research (Volume 625)

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255-258

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.625.255

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Online since:

December 2012

Authors:

Gui Yang Liu, Bao Sen Wang, Ying He, Jun Ming Guo

Keywords:

Cathode, Lithium-Ion Battery, Molten-Salt Combustion Synthesis, Phase Structure, Solution Combustion Synthesis, Spinel

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