The investigation and modeling of two metals codeposition process
By Skita?, Piotr M.; Sanecki, Przemys?aw T.; Saletnik, Dorota
Published in Journal of Electroanalytical Chemistry
NULL
2016
Abstract
Abstract A codeposition of bismuth and lead from Bi3+/Bi2+/Bi+/Bi0 and Pb2+/Pb+/Pb0 systems in 0.5 M {KNO3} (pH = 1) was investigated by cyclic voltammetry technique. The process was recognized as electrocatalytic and depicted by the two-plate model including Brunauer, Emmett and Teller (BET) adsorption expression. The model recreates all of the not resolved responses of two electronation/deelectronation couples. An alteration of electrode surface throughout electrode reaction is integrated with the model. It was proved that cyclic voltammetry (CV) method and two-plate approach is adequate to achieve a complete depiction of considered codeposition process. The estimated values of electrochemical kinetic parameters as well as the two-plate model with its {BET} adsorption expression were validated and discussed.
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