Journal
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
Volume 91, Issue -, Pages 114-121Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jpcs.2015.12.015
Keywords
Nanostructures; Sol-gel growth; Diffusion; Electrochemical properties
Funding
- University Grants Commission (UGC), New Delhi [41-842/2012 (SR)]
- UGC
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The nano-crystalline Li0.5La0.5TiO3 (LLTO) was prepared as an electrolyte material for lithium-ion batteries by the sol-gel method. The prepared LLTO material is characterized by structural, morphological and electrical characterizations. The LLTO shows the cubic perovskite structure with superlattice formation. The uniform distribution of LLTO particles has been analyzed by the SEM and TEM analysis of the sample. Impedance measurements at various temperatures were carried out and the temperature dependent conductivity of as prepared LLTO nanopowders at different temperatures from room temperature to 448 K has been analyzed. The transport mechanism has been analyzed using the dielectric and modulus analysis of the sample. Maximum grain conductivity of the order of 10(-3) S cm(-1) has been obtained for the sample at higher temperatures. (C) 2015 Elsevier Ltd. All rights reserved.
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