Abstract
The dissolution kinetics of M* anodes (M* = Al, Cd, Sn, Sb, Bi) during electrolysis of molten complexes M[Al2Et6Γ] (M = Na, K, Rb, Et4N; Γ = F, Cl) is studied. Parallel dissolution paths are discovered: through a limiting discharge of electrolyte components and through a limiting electrooxidation of adatoms and clusters of M* present at the electrode surface. Substantiated is a mechanism of electrosynthesis of ethyl derivatives M*Et n involving the formation of adsorbed complexes (M*Et1 ≤ k ≤ n – 1)ads via the scheme AlEt4 – + M* – e → M*(Et)ads + (AlEt3); M*(Et)ads + (AlEt4 –) – e = M*(Et2)ads + (AlEt3); ...; M*(Et n – 1)ads + (AlEt4 –) – e → AlEt3 + M*Et n .
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Tyurin, Y.M., Samsonova, A.D., Panicheva, G.A. et al. Kinetics of Anodic Dissolution of Some Metals in Electrolytes Based on Complexes of Triethylaluminum with Alkali Metal Fluorides and Tetraethylammonium Chloride. Russian Journal of Electrochemistry 39, 743–752 (2003). https://doi.org/10.1023/A:1024826018911
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DOI: https://doi.org/10.1023/A:1024826018911