Kinetics and Mechanism of Electrochemical Reactions Occurring during the Chromium Electrodeposition from Electrolytes Based on Cr(III) Compounds: A Literature Review

A literature review was conducted to examine the current understanding of the kinetics and mechanism of electrochemical reactions occurring during the electrodeposition of chromium coatings from electrolytes based on trivalent chromium compounds. The research in this scientific field is crucial, as...

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Main Author: V. S. Protsenko
Format: Article
Language:English
Published: MDPI AG 2023-08-01
Series:Reactions
Subjects:
Online Access:https://www.mdpi.com/2624-781X/4/3/24
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author V. S. Protsenko
author_facet V. S. Protsenko
author_sort V. S. Protsenko
collection DOAJ
description A literature review was conducted to examine the current understanding of the kinetics and mechanism of electrochemical reactions occurring during the electrodeposition of chromium coatings from electrolytes based on trivalent chromium compounds. The research in this scientific field is crucial, as it addresses the pressing need for an alternative to chromium plating processes that rely on solutions containing highly toxic and harmful hexavalent chromium compounds. Numerous literature data on the kinetics and mechanism of the stepwise reduction process of Cr(III) complex ions were analyzed. The influence of various additives and surfactants on the reaction kinetics of the stepwise reduction of trivalent chromium ions was considered. Special attention was given to the kinetics of the stepwise discharge of trivalent chromium ions in ionic liquids and deep eutectic solvents.
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spelling doaj.art-bfecffbd1dd2456ca7e0fa7666ee35ea2023-11-19T12:44:35ZengMDPI AGReactions2624-781X2023-08-014339841910.3390/reactions4030024Kinetics and Mechanism of Electrochemical Reactions Occurring during the Chromium Electrodeposition from Electrolytes Based on Cr(III) Compounds: A Literature ReviewV. S. Protsenko0Ukrainian State University of Chemical Technology, Gagarin Ave., 8, 49005 Dnipro, UkraineA literature review was conducted to examine the current understanding of the kinetics and mechanism of electrochemical reactions occurring during the electrodeposition of chromium coatings from electrolytes based on trivalent chromium compounds. The research in this scientific field is crucial, as it addresses the pressing need for an alternative to chromium plating processes that rely on solutions containing highly toxic and harmful hexavalent chromium compounds. Numerous literature data on the kinetics and mechanism of the stepwise reduction process of Cr(III) complex ions were analyzed. The influence of various additives and surfactants on the reaction kinetics of the stepwise reduction of trivalent chromium ions was considered. Special attention was given to the kinetics of the stepwise discharge of trivalent chromium ions in ionic liquids and deep eutectic solvents.https://www.mdpi.com/2624-781X/4/3/24chromiumtrivalent chromium compoundskineticsmechanismelectrodeposition
spellingShingle V. S. Protsenko
Kinetics and Mechanism of Electrochemical Reactions Occurring during the Chromium Electrodeposition from Electrolytes Based on Cr(III) Compounds: A Literature Review
Reactions
chromium
trivalent chromium compounds
kinetics
mechanism
electrodeposition
title Kinetics and Mechanism of Electrochemical Reactions Occurring during the Chromium Electrodeposition from Electrolytes Based on Cr(III) Compounds: A Literature Review
title_full Kinetics and Mechanism of Electrochemical Reactions Occurring during the Chromium Electrodeposition from Electrolytes Based on Cr(III) Compounds: A Literature Review
title_fullStr Kinetics and Mechanism of Electrochemical Reactions Occurring during the Chromium Electrodeposition from Electrolytes Based on Cr(III) Compounds: A Literature Review
title_full_unstemmed Kinetics and Mechanism of Electrochemical Reactions Occurring during the Chromium Electrodeposition from Electrolytes Based on Cr(III) Compounds: A Literature Review
title_short Kinetics and Mechanism of Electrochemical Reactions Occurring during the Chromium Electrodeposition from Electrolytes Based on Cr(III) Compounds: A Literature Review
title_sort kinetics and mechanism of electrochemical reactions occurring during the chromium electrodeposition from electrolytes based on cr iii compounds a literature review
topic chromium
trivalent chromium compounds
kinetics
mechanism
electrodeposition
url https://www.mdpi.com/2624-781X/4/3/24
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