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  • Title: A polyol-mediated synthesis of titania-based nanoparticles and their electrochemical properties.
    Author: Kim DH, Kang JW, Kim TR, Kim EJ, Im JS, Kim J.
    Journal: J Nanosci Nanotechnol; 2007 Nov; 7(11):3954-8. PubMed ID: 18047095.
    Abstract:
    Ti-based nanoparticles were prepared in polyol mediums of EG (ethylene glycol) and TEG (triethylene glycol), with heating treatment. Ti-based materials of dried power and heated samples showed average sizes of 4, 10, 3, and 8 nm with spherical shapes and monodispersed state, respectively. The XRD patterns of TiO2 and Li4Ti5O12 materials of dried powder and heated samples were indexed to anatase phase TiO2 (space group: I4(1)/amd) and the spinel phase (space group: Fd3m) except for the dried powder sample of Li4Ti5O12, which was corresponded with amorphous-like characteristics from the X-ray diffraction and electron diffraction pattern of Field emission-TEM analysis. The TiO2 and Li4Ti5O12 samples after heat-treated at 500 degrees C exhibited excellent high rate capabilities at a current density of 0.4 mA/cm2 during extended cycles due to their electrochemically beneficial highly crystalline characteristics, nano-sized (approximately 10 nm), and uniform distributions state.
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