Electrodeposition Studies of Aluminum on Tungsten Electrode from DMSO 2 Electrolytes: Determination of AlIII Species Diffusion Coefficients
- 1 February 1994
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 141 (2) , 378-382
- https://doi.org/10.1149/1.2054735
Abstract
Aluminum electrodeposition from mixtures of [dimethylsulfone ] has been studied employing the techniques of chronopotentiometry, voltammetry, and chronoamperometry. The diffusion coefficient of the reducible AlIII species was determined by each of the three electrochemical techniques and found to be in reasonable agreement with each other. Analysis of chronoamperograms indicate that the deposition process involves progressive nucleation with diffusion‐controlled growth of the nuclei. Calculated nuclear site densities and average nuclei sizes are in agreement with scanning electron microscopy images.Keywords
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