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Russian Journal of Inorganic Chemistry

, Volume 56, Issue 1, pp 93–98 | Cite as

Intercalation processes influence the structure and electrophysical properties of lithium-conducting compounds having defect perovskite structure

  • O. I. V’yunov
  • O. N. Gavrilenko
  • L. L. Kovalenko
  • S. A. Chernukhin
  • L. O. Vasilechko
  • S. D. Kobilyanskaya
  • A. G. Belous
Physical Methods of Investigation

Abstract

The structural features and electrophysical properties of lithium-conducting compounds having defect perovskite structure based on Li0.5La0.5Nb2O6 and Li0.5La0.5TiO3 were studied using X-ray diffraction and synchrotron analyses, potentiometry, and complex impedance spectroscopy. Intercalated lithium was found to differently influence ion conductance in titanium- and niobium-containing materials. This difference was found to arise from the structural features of the materials. The systems studied have high chemical diffusion coefficients of lithium (D Li + = 1 × 10−6 cm2/s for Li0.5La0.5Nb2O6 and D Li + = 3.3 × 10−7 cm2/s for Li0.5La0.5TiO3).

Keywords

Lithium Perovskite Unit Cell Volume Solid State Ionic Electrophysical Property 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Pleiades Publishing, Ltd. 2011

Authors and Affiliations

  • O. I. V’yunov
    • 1
  • O. N. Gavrilenko
    • 1
  • L. L. Kovalenko
    • 1
  • S. A. Chernukhin
    • 2
  • L. O. Vasilechko
    • 3
  • S. D. Kobilyanskaya
    • 1
  • A. G. Belous
    • 1
  1. 1.Vernadsky Institute of General and Inorganic ChemistryNational Academy of Sciences of UkraineKievUkraine
  2. 2.Interagency Department of Electrochemical Power ProductionNational Academy of Sciences of UkraineKievUkraine
  3. 3.Lviv Polytechnica National UniversityLvivUkraine

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