Abstract
The galvanostatic intermittent titration technique is used to study lithium transport in the LiM y Mn2 − y O4 compounds with a spinel structure intended for application as cathodic materials in lithium-ion and lithium-polymer batteries. Equilibrium intercalation isotherms of the Li x Mn2O4 and Li x Mn1.95Cr0.05O4 compounds and also their diffusion characteristics are determined at 25°C as dependent on lithium content x, 0 < x < 1. The diffusion coefficient of lithium varies in a complex way in the range of 10−10 to 10−12 cm2/s under variation of the electrode composition.
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Original Russian Text © A.V. Churikov, V.O. Sycheva, 2012, published in Elektrokhimiya, 2012, Vol. 48, No. 1, pp. 120–125.
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Churikov, A.V., Sycheva, V.O. Determination of diffusion coefficient of lithium in LiM y Mn2 − y O4 spinels using galvanostatic intermittent titration technique. Russ J Electrochem 48, 111–116 (2012). https://doi.org/10.1134/S1023193512010065
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DOI: https://doi.org/10.1134/S1023193512010065