The electrochemical deposition of Zn-Mn coating from choline chloride-urea deep eutectic solvent

被引：25

作者：

Bucko, M. ^{[1
]}

Culliton, D. ^{[2
]}

Betts, A. J. ^{[2
]}

Bajat, J. B. ^{[3
]}

机构：

[1] Univ Def, Mil Acad, 33 Pavla Jurisica Sturma St, Belgrade 11000, Serbia

[2] Dublin Inst Technol, FOCAS Inst, Appl Electrochem Grp, Kevin St, Dublin 8, Ireland

[3] Univ Belgrade, Fac Technol & Met, Kamegijeva 4, Belgrade 11000, Serbia

来源：

TRANSACTIONS OF THE INSTITUTE OF METAL FINISHING | 2017年 / 95卷 / 01期

关键词：

Zn-Mn coating; Electrodeposition; Deep eutectic solvent; Choline chloride; Urea; Ionic liquid; Cyclic voltammetry; Alloy; MANGANESE ALLOY COATINGS; IONIC LIQUID; ZINC ELECTRODEPOSITION; TIN ALLOYS; CORROSION; ELECTROLYTES; MORPHOLOGY;

D O I：

10.1080/00202967.2017.1255412

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Electrochemical and microscopic techniques were used for the characterisation of Zn-Mn coatings electrodeposited from choline chloride-urea deep eutectic solvent. Cyclic voltammograms show that there was no discernible Mn reduction peak when only Mn2+ was present in DES solution. The distinct Mn peak developed only upon addition of Zn2+ to the solution, probably due to previous Zn nucleation on the steel substrate. It was found that 22-27 wt-% Mn deposited at current densities of 3-8 mA cm(-2), amounts significantly higher than those obtained from aqueous electrolytes. Since higher deposition current densities resulted in the formation of a porous surface consisting of clusters of nodular crystallites, the optimal deposition c.d was determined to be 3 mA cm(-2).

引用

页码：60 / 64

页数：5

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