On the kinetics of the hydrogen evolution reaction on Ni-MoOx composite catalysts in alkaline solutions
MoO3 particles were co-deposited with Ni onto smooth or rough Ni supports from modified Watt’s baths of different compositions. Morphology and composition of the electrodeposits were characterized by means of cyclic voltammetry, X-ray diffraction, scanning electron microscopy, transmission elect...
Main Authors: | , , , , |
---|---|
Format: | Article |
Language: | English |
Published: |
Serbian Chemical Society
2012-01-01
|
Series: | Journal of the Serbian Chemical Society |
Subjects: | |
Online Access: | http://www.doiserbia.nb.rs/img/doi/0352-5139/2012/0352-51391100185J.pdf |
id |
doaj-74a5322d1d4b428db5ad88ed44b5f507 |
---|---|
record_format |
Article |
spelling |
doaj-74a5322d1d4b428db5ad88ed44b5f5072020-11-25T00:11:53ZengSerbian Chemical Society Journal of the Serbian Chemical Society0352-51392012-01-0177221122410.2298/JSC110621185JOn the kinetics of the hydrogen evolution reaction on Ni-MoOx composite catalysts in alkaline solutionsJović Borka M.Lačnjevac Uroš Č.Jović Vladimir D.Gajić-Krstajić Ljiljana M.Krstajić Nedeljko V.MoO3 particles were co-deposited with Ni onto smooth or rough Ni supports from modified Watt’s baths of different compositions. Morphology and composition of the electrodeposits were characterized by means of cyclic voltammetry, X-ray diffraction, scanning electron microscopy, transmission electron microscopy and energy dispersive X-ray spectroscopy. The electrocatalytic activity of the composite catalysts for H2 evolution in alkaline solutions was determined by quasi-stationary polarization curves. Activity increases with MoOx content in the Ni deposit up to a limiting value. Composite Ni-MoOx catalyst performed high catalytic activity, similar to that of commercial Ni-RuO2 catalyst. Stability tests showed that Ni-MoOx codeposits are stable under condition of constant current and exhibit excellent tolerance to repeated short-circuiting.http://www.doiserbia.nb.rs/img/doi/0352-5139/2012/0352-51391100185J.pdfhydrogen evolutionnickelmolybdenum trioxidecomposite catalystco-deposition |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Jović Borka M. Lačnjevac Uroš Č. Jović Vladimir D. Gajić-Krstajić Ljiljana M. Krstajić Nedeljko V. |
spellingShingle |
Jović Borka M. Lačnjevac Uroš Č. Jović Vladimir D. Gajić-Krstajić Ljiljana M. Krstajić Nedeljko V. On the kinetics of the hydrogen evolution reaction on Ni-MoOx composite catalysts in alkaline solutions Journal of the Serbian Chemical Society hydrogen evolution nickel molybdenum trioxide composite catalyst co-deposition |
author_facet |
Jović Borka M. Lačnjevac Uroš Č. Jović Vladimir D. Gajić-Krstajić Ljiljana M. Krstajić Nedeljko V. |
author_sort |
Jović Borka M. |
title |
On the kinetics of the hydrogen evolution reaction on Ni-MoOx composite catalysts in alkaline solutions |
title_short |
On the kinetics of the hydrogen evolution reaction on Ni-MoOx composite catalysts in alkaline solutions |
title_full |
On the kinetics of the hydrogen evolution reaction on Ni-MoOx composite catalysts in alkaline solutions |
title_fullStr |
On the kinetics of the hydrogen evolution reaction on Ni-MoOx composite catalysts in alkaline solutions |
title_full_unstemmed |
On the kinetics of the hydrogen evolution reaction on Ni-MoOx composite catalysts in alkaline solutions |
title_sort |
on the kinetics of the hydrogen evolution reaction on ni-moox composite catalysts in alkaline solutions |
publisher |
Serbian Chemical Society |
series |
Journal of the Serbian Chemical Society |
issn |
0352-5139 |
publishDate |
2012-01-01 |
description |
MoO3 particles were co-deposited with Ni onto smooth or rough Ni supports from modified Watt’s baths of different compositions. Morphology and composition of the electrodeposits were characterized by means of cyclic voltammetry, X-ray diffraction, scanning electron microscopy, transmission electron microscopy and energy dispersive X-ray spectroscopy. The electrocatalytic activity of the composite catalysts for H2 evolution in alkaline solutions was determined by quasi-stationary polarization curves. Activity increases with MoOx content in the Ni deposit up to a limiting value. Composite Ni-MoOx catalyst performed high catalytic activity, similar to that of commercial Ni-RuO2 catalyst. Stability tests showed that Ni-MoOx codeposits are stable under condition of constant current and exhibit excellent tolerance to repeated short-circuiting. |
topic |
hydrogen evolution nickel molybdenum trioxide composite catalyst co-deposition |
url |
http://www.doiserbia.nb.rs/img/doi/0352-5139/2012/0352-51391100185J.pdf |
work_keys_str_mv |
AT jovicborkam onthekineticsofthehydrogenevolutionreactiononnimooxcompositecatalystsinalkalinesolutions AT lacnjevacurosc onthekineticsofthehydrogenevolutionreactiononnimooxcompositecatalystsinalkalinesolutions AT jovicvladimird onthekineticsofthehydrogenevolutionreactiononnimooxcompositecatalystsinalkalinesolutions AT gajickrstajicljiljanam onthekineticsofthehydrogenevolutionreactiononnimooxcompositecatalystsinalkalinesolutions AT krstajicnedeljkov onthekineticsofthehydrogenevolutionreactiononnimooxcompositecatalystsinalkalinesolutions |
_version_ |
1725402438478856192 |