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Open AccessArticle

Aluminium Electrodeposition from Ionic Liquid: Effect of Deposition Temperature and Sonication †

1
Dipartimento di Chimica, Università di Firenze, Sesto Fiorentino 50019, Italy
2
IoLiTec Ionic Liquids Technologies GmbH, Heilbronn 74080, Germany
3
Consorzio Interuniversitario Nazionale Per la Scienza e Tecnologia dei Materiali (INSTM) and Istituto Sistemi Complessi (ISC), Sesto Fiorentino 50019, Italy
*
Author to whom correspondence should be addressed.
This paper is an extended and revised version of the paper published in Sciforum Electronic Conference Series, Proceedings of the 2nd International Electronic Conference Materials, 2–16 May 2016; Volume 2, 2016, C003; doi:10.3390/ecm-2-C003.
Academic Editor: Silvia Gross
Materials 2016, 9(9), 719; https://doi.org/10.3390/ma9090719
Received: 17 June 2016 / Revised: 9 August 2016 / Accepted: 12 August 2016 / Published: 24 August 2016
(This article belongs to the Section Manufacturing Processes and Systems)
Since their discovery, ionic liquids (ILs) have attracted a wide interest for their potential use as a medium for many chemical processes, in particular electrochemistry. As electrochemical media they allow the electrodeposition of elements that are impossible to reduce in aqueous media. We have investigated the electrodeposition of aluminium from 1-butyl-3-methyl-imidazolium chloride ((Bmim)Cl)/AlCl3 (40/60 mol %) as concerns the effect of deposition parameters on the quality of the deposits. Thick (20 μm) aluminium coatings were electrodeposited on brass substrates at different temperatures and mixing conditions (mechanical stirring and sonication). These coatings were investigated by means of scanning electron microscope, roughness measurements, and X-ray diffraction to assess the morphology and the phase composition. Finally, electrochemical corrosion tests were carried out with the intent to correlate the deposition parameters to the anti-corrosion properties. View Full-Text
Keywords: ionic liquids; aluminium; electrodeposition; surface morphology; sonication; corrosion resistance; texture ionic liquids; aluminium; electrodeposition; surface morphology; sonication; corrosion resistance; texture
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MDPI and ACS Style

Berretti, E.; Giaccherini, A.; Martinuzzi, S.M.; Innocenti, M.; Schubert, T.J.; Stiemke, F.M.; Caporali, S. Aluminium Electrodeposition from Ionic Liquid: Effect of Deposition Temperature and Sonication †. Materials 2016, 9, 719.

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