Electrodeposition of Zn-Mn Alloys at Low Current Densities

Müller, C.; Sarret, M.; Andreu, Teresa

doi:10.1149/1.1512668

Cited by 65 publications

(67 citation statements)

References 17 publications

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“…= -0.72 V) with a shoulder on the rising part which is not visible in the absence of EDTA. The presence of EDTA apparently allows to discriminate the possible existence of two energetically different phases of zinc deposited [23] or the deposition of zinc from two different species in solution which are stripped at different potentials and therefore the existence of a Zn-EDTA species cannot be ruled out [7,25]. Therefore, the peak occurring at more negative potentials could be originated by the deposition of zinc from Zn-EDTA species.…”

Section: Zinc Depositionmentioning

confidence: 99%

Zn–Sn electrodeposition from deep eutectic solvents containing EDTA, HEDTA, and Idranal VII

et al. 2012

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The use of deep eutectic solvents for metal electrodeposition has become an area of interest in the recent years. In this study, ethaline, propeline, and reline were used as solvents for the electrodeposition of Sn-Zn alloys. Ethaline, propeline, and reline displayed identical voltammetric profiles for the reduction of Zn(II) and Sn(II). Further studies were carried out in ethaline which is the liquid with lowest viscosity. To improve physical and morphological properties of the Sn-Zn deposits, additives were added to the ionic liquid solution. In this study, the addition of three chelators (EDTA, HEDTA, and Idranal VII) and their effects on the voltammetric behavior of zinc and tin and the resultant morphology was described. The structure and composition of the Zn-Sn deposit was largely affected by the additives with the largest effect being obtained in the presence of Idranal VII.

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Section: Zinc Depositionmentioning

confidence: 99%

Zn–Sn electrodeposition from deep eutectic solvents containing EDTA, HEDTA, and Idranal VII

et al. 2012

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“…They also noted that the morphology of Zn-Mn generally evolved from platelets (for the lower manganese contents), to globules as the current density increased. Muller et al [12], by adding EDTA or other complexing agents, reported various morphologies (platelets, nodules, polyhedral grains or rounded grains of different sizes), whereas the major phase detected by XRD was the e phase, sometimes mixed with c-ZnMn or pure zinc.…”

Section: Electrodeposition With Commercial Additivesmentioning

confidence: 99%

“…The electrolytic bath consisted in an acidic ZnCl 2 , MnCl 2 and KCl solution buffered by H 3 BO 3 . On the other hand, Zn-Mn alloys were deposited at low current densities using ethylenediaminetetraacetic acid as the complexing agent for Zn(II) and malate or citrate as the complexing agent of Mn(II) [12]. designed for zinc electrodeposition in acidic or alkaline media.…”

Section: Introductionmentioning

confidence: 99%

Electrodeposition of Zn–Mn alloys in acidic and alkaline baths. Influence of additives on the morphological and structural properties

et al. 2005

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Electrodeposition of Zn-Mn alloys on steel was achieved using alkaline pyrophosphate-based baths or acidic chloride-based baths. Cyclic voltammetry was used to determine the potential ranges where the various redox processes were taking place. It appeared that the reduction of Mn(II) was generally hidden by the other reduction reactions, especially by the hydrogen evolution reaction. Zn-Mn alloys containing up to 25 at.% Mn in the alkaline bath and 12 at.% in the acidic bath could be obtained at the cost of very low current efficiencies.The characterisation of the deposits obtained either by galvanostatic polarisation or potentiostatic polarisation was performed by Scanning Electron Microscopy and X-Ray Diffraction. Various Zn-Mn phases were obtained, depending on the current densities, the composition of the deposit and that of the electrolytic bath.Two commercial additives usually used for zinc electrodeposition, one in alkaline baths, the other in acidic baths, were tested. Their effects upon the composition, the morphology and the microstructure of the deposit were investigated.

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“…Glue and Arabic gum [25] have been used in industrial electrodeposition; however other substances have been studied for the same purpose with satisfactory results. Nonylphenol oxyethylene, polyethylene glycol and derivatives, quaternary amines, and EDTA [26][27][28][29][30][31][32][33] may be referred to as examples.…”

Section: Introductionmentioning

confidence: 99%

Electrodeposition of Zn-Mn alloys from recycling battery leach solutions in the presence of amines

Brito¹,

Patrício²,

Rodrigues³

et al. 2010

The Sustainable World

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The recovery of metal ions by electrodeposition from solutions resulting from the lixiviation of spent Zn-MnO 2 batteries was studied. It was attempted to optimise the electrodeposition process, the selectivity of ion-separation, the morphologic characteristics, and the anticorrosive and galvanic properties of metallic deposits. The simultaneous deposition of zinc and manganese on different ferrous substrates under various experimental conditions was tested. This allowed us to access the efficiency of the electrodeposition, the morphology and composition of the metallic deposits, as well as their performance as galvanic coating layers. The effect of amine additives, namely, of methylamine and ethylenediamine, on the properties of the coatings was also studied. It was shown that the amines with buffering or passivating effects improve the simultaneous deposition of Mn.

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Electrodeposition of Zn-Mn Alloys at Low Current Densities

Cited by 65 publications

References 17 publications

Zn–Sn electrodeposition from deep eutectic solvents containing EDTA, HEDTA, and Idranal VII

Zn–Sn electrodeposition from deep eutectic solvents containing EDTA, HEDTA, and Idranal VII

Electrodeposition of Zn–Mn alloys in acidic and alkaline baths. Influence of additives on the morphological and structural properties

Electrodeposition of Zn-Mn alloys from recycling battery leach solutions in the presence of amines

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