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The Kinetic Characteristics of Nickel Electrodeposition from Solutions with Amino Acids

Author(s): Dolgikh O.V. | Sotskaya N.V. | Sapronova L.V.

Journal: Proceedings of the International Conference Nanomaterials : Applications and Properties
ISSN 2304-1862

Volume: 1;
Issue: 2;
Start page: 02NFC18;
Date: 2012;
Original page

Keywords: Nanostructured flms | Nanostructured coatings | Nanostructure | Hard coating | Producing methods

Kinetics of nickel electrodeposition from electrolytes containing glycine, alanine, serine and asparaginic acid was studied. It was shown, that the process occurs irreversibly under mixed kinetics conditions with dominant control by charge transfer and is complicated by adsorption. All the complexes present in the baths are electroactive and reduce simultaneously. The process rate and kinetic characteristics sufficiently depend on the nature of amino acids. Namely, the more stable complexes are formed, the larger charge transfer coefficient and the less heterogeneous rate constant of charge transfer.
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