Issue 6, 1991
From the journal:

Journal of Materials Chemistry

Structure and conductivity of an Li4SiO4–Li2SO4 solid solution phase

M. A. K. L. Dissanayake  and  Anthony R. West  

Abstract

In the system Li4SiO4–Li2SO4, phase-diagram studies show the existence of a narrow range of stable γ solid solutions, Li4 – 2x(Si1 –xSx)O4: 0.30 < x < 0.045. These have high Li+ ion conductivity with maximum values for x≈ 0.40 of 1.32 × 10–6 S cm–1 at 25 °C, rising to 8.5 × 10–3 S cm–1 at 300 °C and an activation energy of 0.80 eV. The γ solid solutions are structurally related to orthorhombic γ-Li3PO4 and contain interstitial Li+ ions; for x= 0.40, a= 6.187(2)Å, b= 10.621(3)Å, c= 5.008(3)Å.

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Article information

DOI
https://doi.org/10.1039/JM9910101023
Article type
Paper

J. Mater. Chem., 1991,1, 1023-1025

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Structure and conductivity of an Li4SiO4–Li2SO4 solid solution phase

M. A. K. L. Dissanayake and A. R. West, J. Mater. Chem., 1991, 1, 1023 DOI: 10.1039/JM9910101023

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