Abstract
The effect of preliminary mechanical activation of Al(OH)3 on its solid-state reaction with Li2CO3 at temperatures above 800°C has been studied by thermogravimetry, X-ray diffraction, in situ X-ray diffraction, electron microscopy, and specific surface area and particle size measurements. The results demonstrate that preliminary mechanical activation of Al(OH)3 in an AGO-2 planetary mill at 40g for 1 min allows phase-pure γ-LiAlO2 to be obtained. The composition of the lithium aluminates resulting from mechanical activation and heat treatment depends on the phase composition of the aluminum oxides resulting from the thermal decomposition of Al(OH)3. The particle size and specific surface area of the forming γ-LiAlO2 have been determined.
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Original Russian Text © V.P. Isupov, N.V. Eremina, 2012, published in Neorganicheskie Materialy, 2012, Vol. 48, No. 9, pp. 1039–1045.
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Isupov, V.P., Eremina, N.V. Effect of mechanical activation of Al(OH)3 on its reaction with Li2CO3 . Inorg Mater 48, 918–924 (2012). https://doi.org/10.1134/S0020168512080055
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DOI: https://doi.org/10.1134/S0020168512080055