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Magnesium underpotential deposition from nitrate melts and alloy formation with platinum substrate

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2016
1931.pdf (756.4Kb)
Authors
Cvetković, Vesna S.
Jovićević, Jovan N.
Bjelica, L J
Article (Published version)
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Abstract
This paper investigates magnesium underpotential deposition on platinum electrodes from magnesium nitrate-ammonium nitrate melts at temperatures ranging from 400 to 500 K. Electrochemical techniques used were linear sweep voltammetry and potential step. Electrode surfaces were studied by Scanning electron microscopy (SEM), Atomic force microscopy (AFM), Energy dispersive spectrometry (EDS), energy dispersive X-Ray spectroscopy (EDX) and X-Ray diffraction (XRD). In the underpotential range studied, it was found that magnesium underpotential deposition took part simultaneously with reduction processes of nitrate and nitrite. EDS and XRD measurements showed clear evidence of MgPt3, Mg3Pt alloys being formed.
Keywords:
magnesium/platinum alloys / underpotential deposition / magnesium nitrate-ammonium nitrate melts / microscopy and microanalysis techniques
Source:
Kovove Materialy-Metallic Materials, 2016, 54, 5, 321-330
Publisher:
  • Redakcia Kovove Materialy, Bratislava 38
Projects:
  • New approach in designing materials for energy conversion and energy storage systems (RS-172060)

DOI: 10.4149/km_2016_5_321

ISSN: 0023-432X

WoS: 000385899300003

Scopus: 2-s2.0-84994365009
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/1933
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