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Al-Pd alloy formation by aluminium underpotential deposition onto palladium from chloroaluminate melt

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2021
osnovni rad (1.179Mb)
Authors
Vukićević, Nataša
Cvetković, Vesna S.
Jovićević, Niko
Jovićević, Jovan N.
Article (Published version)
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Abstract
The possibility of electrochemical underpotential deposition of aluminium onto palladium from equimolar AlCl3+NaCl melts at temperatures between 200 ° and 300 °C was investigated. Electrochemical techniques used were cyclic voltammetry, chronoamperometry, potentiodynamic polarization and open circuit measurements. The results were analyzed by SEM, EDX and XRD. It was found that аluminium deposits underpotentially onto palladium at around 0.200 V vs. Al from the chloroaluminate melt used. It was established that under the given conditions, Al underpotential deposition onto the palladium substrate can result in AlPd and Al3Pd4 alloy synthesis by solid-state interdiffusion. The surface alloys synthetized are well adhering, microcrystalline deposits, having highly developed surface area suitable for applications such as hydrogen purification filters.
Keywords:
Aluminium alloys / electrodeposition / intermetallics / solid-state interdiffusion / X-ray diffraction (XRD)
Source:
International Journal of Electrochemical Science, 2021, 16, 1, 210663-
Publisher:
  • Belgrade : ESG
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200026 (University of Belgrade, Institute of Chemistry, Technology and Metallurgy - IChTM) (RS-200026)

DOI: 10.20964/2021.06.62

ISSN: 1452-3981

WoS: 000661490000063

[ Google Scholar ]
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/4679
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Vukićević, Nataša
AU  - Cvetković, Vesna S.
AU  - Jovićević, Niko
AU  - Jovićević, Jovan N.
PY  - 2021
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/4679
AB  - The possibility of electrochemical underpotential deposition of aluminium onto palladium from equimolar AlCl3+NaCl melts at temperatures between 200 ° and 300 °C was investigated. Electrochemical techniques used were cyclic voltammetry, chronoamperometry, potentiodynamic polarization and open circuit measurements. The results were analyzed by SEM, EDX and XRD. It was found that аluminium deposits underpotentially onto palladium at around 0.200 V vs. Al from the chloroaluminate melt used. It was established that under the given conditions, Al underpotential deposition onto the palladium substrate can result in AlPd and Al3Pd4 alloy synthesis by solid-state interdiffusion. The surface alloys synthetized are well adhering, microcrystalline deposits, having highly developed surface area suitable for applications such as hydrogen purification filters.
PB  - Belgrade : ESG
T2  - International Journal of Electrochemical Science
T1  - Al-Pd alloy formation by aluminium underpotential deposition onto palladium from chloroaluminate melt
VL  - 16
IS  - 1
SP  - 210663
DO  - 10.20964/2021.06.62
ER  - 
@article{
author = "Vukićević, Nataša and Cvetković, Vesna S. and Jovićević, Niko and Jovićević, Jovan N.",
year = "2021",
abstract = "The possibility of electrochemical underpotential deposition of aluminium onto palladium from equimolar AlCl3+NaCl melts at temperatures between 200 ° and 300 °C was investigated. Electrochemical techniques used were cyclic voltammetry, chronoamperometry, potentiodynamic polarization and open circuit measurements. The results were analyzed by SEM, EDX and XRD. It was found that аluminium deposits underpotentially onto palladium at around 0.200 V vs. Al from the chloroaluminate melt used. It was established that under the given conditions, Al underpotential deposition onto the palladium substrate can result in AlPd and Al3Pd4 alloy synthesis by solid-state interdiffusion. The surface alloys synthetized are well adhering, microcrystalline deposits, having highly developed surface area suitable for applications such as hydrogen purification filters.",
publisher = "Belgrade : ESG",
journal = "International Journal of Electrochemical Science",
title = "Al-Pd alloy formation by aluminium underpotential deposition onto palladium from chloroaluminate melt",
volume = "16",
number = "1",
pages = "210663",
doi = "10.20964/2021.06.62"
}
Vukićević, N., Cvetković, V. S., Jovićević, N.,& Jovićević, J. N.. (2021). Al-Pd alloy formation by aluminium underpotential deposition onto palladium from chloroaluminate melt. in International Journal of Electrochemical Science
Belgrade : ESG., 16(1), 210663.
https://doi.org/10.20964/2021.06.62
Vukićević N, Cvetković VS, Jovićević N, Jovićević JN. Al-Pd alloy formation by aluminium underpotential deposition onto palladium from chloroaluminate melt. in International Journal of Electrochemical Science. 2021;16(1):210663.
doi:10.20964/2021.06.62 .
Vukićević, Nataša, Cvetković, Vesna S., Jovićević, Niko, Jovićević, Jovan N., "Al-Pd alloy formation by aluminium underpotential deposition onto palladium from chloroaluminate melt" in International Journal of Electrochemical Science, 16, no. 1 (2021):210663,
https://doi.org/10.20964/2021.06.62 . .

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