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  • Chem Sci Trans., 2017, 6(2),  pp 227-234  

    DOI:10.7598/cst2017.1336

    Research Article

    Effect of Calcination Temperature on the Structural Properties of Spinel Li4Ti5O12 Anode Material for Lithium-Ion Batteries

  • B. VIKRAM BABU*, G. TEWODROS AREGAI, K. VIJAYA BABU, K. SAMATHA and V. VEERAIAH
  • Department of Physics, Andhra University, Visakhapatnam, India
    Advanced Analytical Laboratory, Andhra University, Visakhapatnam, India
  • Abstract

    Spinel Li4Ti5O12 (LTO) was synthesized by solid state reaction method and the effect of calcination temperature on structural characteristics was investigated. Thermal analysis reveals the temperature dependence of the materials properties. The phase composition, morphology, elemental analysis and Wyckoff sites of the material is characterized by x-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive spectra (EDS) and Fourier transform infrared (FT-IR) spectra respectively. The results of XRD pattern possessed cubic spinel Li4Ti5O12 structure with space group Fd3m. The morphological features of the powders are ranging from 0.91 μm-1.5 μm. The EDS spectra confirm the presence of Ti and O in the compound. The FT-IR spectroscopic data reveals that the structure of the oxide lattice constituted by LiO6 and TiO6 octahedra. From this study, we conclude that the spinel Li4Ti5O12 material prepared by solid-state reaction method at different temperature is that the maximum and minimum intensity ratios of XRD spectra and the JCPDS results shows that the optimum calcination temperature is 900 oC for 16 h.

    Keywords

    Spinel structure, XRD, SEM, EDS, FT-IR

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