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Studies on glass transition of lithium-iron phosphate glasses

Abstract : Amorphous analogs of lithium-iron phosphates (LFP) were prepared by standard press-quenching method and their thermal stabilities as well as structural properties were studied for the first time. Glass transition temperature T-g determined by DTA method was observed at the temperature range 492-523 degrees C, depending on the glass composition. The maxima of crystallization peaks were observed in the 555-579 degrees C range. In products obtained after heating LIP to 700 degrees C the XRD patterns have revealed the presence of: LiFePO4 (triphylite), FePO4 (heterosite), alpha-FePO4 (quartz like structure) and Li3Fe2(PO4)(3) (Nasicon like structure) phases.
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Submitted on : Wednesday, March 2, 2016 - 12:14:12 PM
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I. Gorzkowska, P. Jozwiak, J. E. Garbarczyk, M. Wasiucionek, Christian Julien. Studies on glass transition of lithium-iron phosphate glasses. Journal of Thermal Analysis and Calorimetry, Springer Verlag, 2008, 93 (3), pp.759-762. ⟨10.1007/s10973-008-9141-9⟩. ⟨hal-01281488⟩



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