Abstract
Transition processes in direct-contact systems Li/Sb2S3 and Li/Sb2S5 are studied. As shown by potentiodynamic voltammetry, an Li3SbS3 interphase is the most probable product of the cathodic reduction at direct-contact interfaces. At certain polarizations and current densities, under potentiodynamic and galvanostatic conditions, the main current-producing processes that lead to the formation of the Li3SbS3 interphase compete with passivating cathodic reactions which occur via the mechanism of monolayer adsorption and result in the formation of an Li2S product which blocks grains of the lithium thiostibnite interphase. Effective transfer coefficients of passivating reactions are twice those of the main current-producing cathodic reactions.
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Translated from Elektrokhimiya, Vol. 41, No. 6, 2005, pp. 675–679.
Original Russian Text Copyright © 2005 by Arkhipova, Mikhailova, Seryanov.
Published on the basis of a contribution delivered at the VII Meeting on Fundamental Problems in Solid-State Ionics (Chernogolovka-2004).
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Arkhipova, N.V., Mikhailova, A.M. & Seryanov, Y.V. Transition Processes in Solid-Phase Electrochemical Systems Including Sulfur-Containing Components. Russ J Electrochem 41, 593–597 (2005). https://doi.org/10.1007/s11175-005-0111-2
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DOI: https://doi.org/10.1007/s11175-005-0111-2