Preparation and characterization of lithium-ion-conductive Li1.3Al0.3Ti1.7(PO4)3 thin films by the solution deposition

  • Xian Ming Wu*
  • , Xin Hai Li
  • , Shao Wei Wang
  • , Zhuo Wang
  • , Yun He Zhang
  • , Ming Fei Xu
  • , Ze Qiang He
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

Li1.3Al0.3Ti1.7(PO4)3 thin films were successfully prepared by the solution deposition using lithium acetate, aluminum nitrate, ammonium dihydrogen phosphate and titanium butoxide as starting materials. The structure, surface morphology, electrochemical window, and ionic conductivity of the films were studied by X-ray diffraction, scanning electron microscopy, cyclic voltammetry and AC impedance. The results showed that Li1.3Al0.3Ti1.7(PO4)3 thin films annealed between 750 °C and 900 °C prepared by this method were well crystallized, homogenous and crack-free. The electrochemical window was beyond 2.4 V and the ionic conductivity was approximately 1.57×10-5 S/cm at room temperature for the film annealed at 800 °C for 30 min.

Original languageEnglish
Pages (from-to)103-107
Number of pages5
JournalThin Solid Films
Volume425
Issue number1-2
DOIs
StatePublished - 3 Feb 2003
Externally publishedYes

Keywords

  • Electrochemistry
  • Lithium titanium phosphate
  • Scanning electron microscopy
  • X-ray diffraction

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