基于Cr(III)化合物的电解液电沉积铬的电化学反应动力学和机理:文献综述

Reactions Pub Date : 2023-08-03 DOI:10.3390/reactions4030024
V. Protsenko
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引用次数: 1

摘要

本文综述了目前对三价铬化合物电解质电沉积铬涂层过程中电化学反应的动力学和机理的理解。这一科学领域的研究是至关重要的,因为它解决了迫切需要一种替代镀铬工艺的方法,这种工艺依赖于含有剧毒和有害的六价铬化合物的溶液。分析了Cr(III)络合物离子逐步还原过程的动力学和机理。研究了各种添加剂和表面活性剂对三价铬离子分步还原反应动力学的影响。特别注意了三价铬离子在离子液体和深共晶溶剂中逐步放电的动力学。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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 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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