Issue 7, 1994
From the journal:

Journal of Materials Chemistry

New Li+-ion conductors, Li4 – 2xTi1 –xSxO4, based on the Li4TiO4 structure

M. A. K. L. Dissanayake,   H. H. Sumathipala  and  Anthony R. West  

Abstract

In the system Li4TiO4–Li2SO4, a wide range of solid solutions, Li4 – 2xSxTi1 –xO4(0 < x < 0.2) with Li4TiO4 structure is formed. The ionic conductivity increases with x and exhibits a maximum (bulk) value of 8.30 × 10–6 S cm–1at 27 °C with an activation energy of 0.51 eV for x= 0.2. The enhancement in conductivity is associated with an increase in concentration of lithium-ion vacancies, created via the mechanism 2Li++ Ti4+⇌ S6+, but is attributable specifically to a decrease in activation energy for conduction. This is the first report of high Li+-ion conductivity in the Li4TiO4structural family.

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Article information

DOI
https://doi.org/10.1039/JM9940401075
Article type
Paper

J. Mater. Chem., 1994,4, 1075-1076

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New Li+-ion conductors, Li4 – 2xTi1 –xSxO4, based on the Li4TiO4 structure

M. A. K. L. Dissanayake, H. H. Sumathipala and A. R. West, J. Mater. Chem., 1994, 4, 1075 DOI: 10.1039/JM9940401075

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