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Versatile electrochemical coatings and surface layers from aqueous methanesulfonic acid

Versatile electrochemical coatings and surface layers from aqueous methanesulfonic acid
Versatile electrochemical coatings and surface layers from aqueous methanesulfonic acid
Ever tightening environmental pressure together with the continued need for coatings able to meet challenging service environments have stimulated advances in coating technology. In the case of electrochemical techniques, the classical techniques of electrodeposition and anodising are being upgraded to meet the need for modern surface engineering coatings (including nanostructured films) on metals. A major challenge is to retain conventional processing, including aqueous solutions, simple power supplies and existing electrolyte tanks while using cost effective, ‘green’ electrolytes. One successful direction has been the emergence of electrolytes based on methanesulfonic acid, MSA which has good electrolytic conductivity and is capable of dissolving many metals as well as acting as a useful medium for dispersion of solids prior to electrophoretic coating. A range of application methods result, including electroplating, anodising and electrophoretic deposition from a stable, aqueous sol. A diverse range of coating materials is emerging, including metals, alloys, porous metal oxide films, conductive polymers and many composites. This review illustrates the usefulness and applications of MSA electrolytes using recent examples from the authors' laboratories and others. Developing coatings, including alternating multilayers of Sn and Cu, nanostructured metals, hierarchical pores, nanotubular metal oxides and graphene composites are briefly considered. This is a review with 94 references.
0257-8972
Walsh, F.C.
309528e7-062e-439b-af40-9309bc91efb2
Ponce de Leon, Carlos
508a312e-75ff-4bcb-9151-dacc424d755c
Walsh, F.C.
309528e7-062e-439b-af40-9309bc91efb2
Ponce de Leon, Carlos
508a312e-75ff-4bcb-9151-dacc424d755c

Walsh, F.C. and Ponce de Leon, Carlos (2014) Versatile electrochemical coatings and surface layers from aqueous methanesulfonic acid. Surface and Coatings Technology. (doi:10.1016/j.surfcoat.2014.10.010).

Record type: Article

Abstract

Ever tightening environmental pressure together with the continued need for coatings able to meet challenging service environments have stimulated advances in coating technology. In the case of electrochemical techniques, the classical techniques of electrodeposition and anodising are being upgraded to meet the need for modern surface engineering coatings (including nanostructured films) on metals. A major challenge is to retain conventional processing, including aqueous solutions, simple power supplies and existing electrolyte tanks while using cost effective, ‘green’ electrolytes. One successful direction has been the emergence of electrolytes based on methanesulfonic acid, MSA which has good electrolytic conductivity and is capable of dissolving many metals as well as acting as a useful medium for dispersion of solids prior to electrophoretic coating. A range of application methods result, including electroplating, anodising and electrophoretic deposition from a stable, aqueous sol. A diverse range of coating materials is emerging, including metals, alloys, porous metal oxide films, conductive polymers and many composites. This review illustrates the usefulness and applications of MSA electrolytes using recent examples from the authors' laboratories and others. Developing coatings, including alternating multilayers of Sn and Cu, nanostructured metals, hierarchical pores, nanotubular metal oxides and graphene composites are briefly considered. This is a review with 94 references.

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Published date: 14 October 2014
Organisations: Engineering Science Unit

Identifiers

Local EPrints ID: 371675
URI: http://eprints.soton.ac.uk/id/eprint/371675
ISSN: 0257-8972
PURE UUID: e2fd2314-e014-455e-9ad3-0d4946197f45
ORCID for Carlos Ponce de Leon: ORCID iD orcid.org/0000-0002-1907-5913

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Date deposited: 12 Nov 2014 12:24
Last modified: 15 Mar 2024 03:22

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