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Structure peculiarities of carbon-coated lithium titanate: Raman spectroscopy and electron microscopic study

Authors
Journal
Solid State Sciences
1293-2558
Publisher
Elsevier
Publication Date
Volume
14
Issue
1
Identifiers
DOI: 10.1016/j.solidstatesciences.2011.10.018
Keywords
  • Lithium Titanate
  • Carbon Coating
  • Conductivity
  • Raman Scattering
  • Electron Microscopy
  • Defects Ordering
Disciplines
  • Earth Science

Abstract

Abstract Li 4Ti 4.92(CrV) 0.04O 12/C composites were synthesized at 800 °C under a flow of argon/acetylene gas mixture taken in the 40:1volumetric ratio. X-ray diffraction (XRD), thermogravimetric analysis (TGA), magnetic susceptibility, Raman spectroscopy, and electron microscopy (TEM) were used to characterize the phase structure, composition, and morphology of the composites. Transmission electron microscopy and Raman spectroscopy confirmed that carbon exists on the surface of the spinel matrix. The composites proved to have a modified structure in comparison with the pristine spinel phase.

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