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Ni-MoO2 composite cathodes for hydrogen evolution in alkaline solution: Effect of aging of the electrolyte for their electrodeposition

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2013
253.pdf (531.6Kb)
Authors
Jović, Vladimir
Lačnjevac, Uroš
Jović, Borka
Gajić Krstajić, Ljiljana
Krstajić, Nedeljko
Article (Published version)
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Abstract
In this work the effect of aging of the electrolyte for electrodeposition of Ni-MoO2 composite coatings on their morphology (scanning electron microscopy), chemical composition (energy-dispersive X-ray spectroscopy), polarization characteristics and the “service life” test performance for the hydrogen evolution reaction (HER) in 32 mass % NaOH at 90°C was investigated. Polarization characteristics and results of the “service life” test of Ni-MoO2 composite coatings obtained after different aging periods of the electrolyte for deposition (suspension of MoO2 powder particles in the solution containing 2 M NH4Cl + 0.2 M NiCl2) were compared with that recorded for De Nora’s commercial Ni+RuO2 cathode coating (DN). It was shown that aging of the electrolyte did not influence the morphology and chemical composition of Ni-MoO2 composite coatings electrodeposited under simulated conditions for their industrial production, while polarization characteristics for the HER were influenced. The best... coating, obtained after 180 days of the electrolyte aging, showed completely different (layered) structure of the deposit and significantly better performance than the commercial DN electrode during the “service life” test. [Projekat Ministarstva nauke Republike Srbije, br. 172054]

Keywords:
Ni-MoO2 composite coating / hydrogen evolution / “service life” test
Source:
Journal of the Serbian Chemical Society, 2013, 78, 5, 689-700
Publisher:
  • Belgrade : Serbian Chemical Society
Funding / projects:
  • Development, characterization and application nanostructured and composite electrocatalysts and interactive supports for fuel cells and water electrolysis (RS-172054)

DOI: 10.2298/JSC120831112J

ISSN: 0352-5139; 1820-7421 (Online)

WoS: 000320070800008

Scopus: 2-s2.0-84877649067
[ Google Scholar ]
5
5
Handle
https://hdl.handle.net/21.15107/rcub_dais_256
URI
https://dais.sanu.ac.rs/123456789/256
Collections
  • ИТН САНУ - Општа колекција / ITS SASA - General collection
Institution/Community
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Jović, Vladimir
AU  - Lačnjevac, Uroš
AU  - Jović, Borka
AU  - Gajić Krstajić, Ljiljana
AU  - Krstajić, Nedeljko
PY  - 2013
UR  - https://dais.sanu.ac.rs/123456789/256
AB  - In this work the effect of aging of the electrolyte for electrodeposition of Ni-MoO2 composite coatings on their morphology (scanning electron microscopy), chemical composition (energy-dispersive X-ray spectroscopy), polarization characteristics and the “service life” test performance for the hydrogen evolution reaction (HER) in 32 mass % NaOH at 90°C was investigated. Polarization characteristics and results of the “service life” test of Ni-MoO2 composite coatings obtained after different aging periods of the electrolyte for deposition (suspension of MoO2 powder particles in the solution containing 2 M NH4Cl + 0.2 M NiCl2) were compared with that recorded for De Nora’s commercial Ni+RuO2 cathode coating (DN). It was shown that aging of the electrolyte did not influence the morphology and chemical composition of Ni-MoO2 composite coatings electrodeposited under simulated conditions for their industrial production, while polarization characteristics for the HER were influenced. The best coating, obtained after 180 days of the electrolyte aging, showed completely different (layered) structure of the deposit and significantly better performance than the commercial DN electrode during the “service life” test. [Projekat Ministarstva nauke Republike Srbije, br. 172054]
PB  - Belgrade : Serbian Chemical Society
T2  - Journal of the Serbian Chemical Society
T1  - Ni-MoO2 composite cathodes for hydrogen evolution in alkaline solution: Effect of aging of the electrolyte for their electrodeposition
SP  - 689
EP  - 700
VL  - 78
IS  - 5
DO  - 10.2298/JSC120831112J
UR  - https://hdl.handle.net/21.15107/rcub_dais_256
ER  - 
@article{
author = "Jović, Vladimir and Lačnjevac, Uroš and Jović, Borka and Gajić Krstajić, Ljiljana and Krstajić, Nedeljko",
year = "2013",
abstract = "In this work the effect of aging of the electrolyte for electrodeposition of Ni-MoO2 composite coatings on their morphology (scanning electron microscopy), chemical composition (energy-dispersive X-ray spectroscopy), polarization characteristics and the “service life” test performance for the hydrogen evolution reaction (HER) in 32 mass % NaOH at 90°C was investigated. Polarization characteristics and results of the “service life” test of Ni-MoO2 composite coatings obtained after different aging periods of the electrolyte for deposition (suspension of MoO2 powder particles in the solution containing 2 M NH4Cl + 0.2 M NiCl2) were compared with that recorded for De Nora’s commercial Ni+RuO2 cathode coating (DN). It was shown that aging of the electrolyte did not influence the morphology and chemical composition of Ni-MoO2 composite coatings electrodeposited under simulated conditions for their industrial production, while polarization characteristics for the HER were influenced. The best coating, obtained after 180 days of the electrolyte aging, showed completely different (layered) structure of the deposit and significantly better performance than the commercial DN electrode during the “service life” test. [Projekat Ministarstva nauke Republike Srbije, br. 172054]",
publisher = "Belgrade : Serbian Chemical Society",
journal = "Journal of the Serbian Chemical Society",
title = "Ni-MoO2 composite cathodes for hydrogen evolution in alkaline solution: Effect of aging of the electrolyte for their electrodeposition",
pages = "689-700",
volume = "78",
number = "5",
doi = "10.2298/JSC120831112J",
url = "https://hdl.handle.net/21.15107/rcub_dais_256"
}
Jović, V., Lačnjevac, U., Jović, B., Gajić Krstajić, L.,& Krstajić, N.. (2013). Ni-MoO2 composite cathodes for hydrogen evolution in alkaline solution: Effect of aging of the electrolyte for their electrodeposition. in Journal of the Serbian Chemical Society
Belgrade : Serbian Chemical Society., 78(5), 689-700.
https://doi.org/10.2298/JSC120831112J
https://hdl.handle.net/21.15107/rcub_dais_256
Jović V, Lačnjevac U, Jović B, Gajić Krstajić L, Krstajić N. Ni-MoO2 composite cathodes for hydrogen evolution in alkaline solution: Effect of aging of the electrolyte for their electrodeposition. in Journal of the Serbian Chemical Society. 2013;78(5):689-700.
doi:10.2298/JSC120831112J
https://hdl.handle.net/21.15107/rcub_dais_256 .
Jović, Vladimir, Lačnjevac, Uroš, Jović, Borka, Gajić Krstajić, Ljiljana, Krstajić, Nedeljko, "Ni-MoO2 composite cathodes for hydrogen evolution in alkaline solution: Effect of aging of the electrolyte for their electrodeposition" in Journal of the Serbian Chemical Society, 78, no. 5 (2013):689-700,
https://doi.org/10.2298/JSC120831112J .,
https://hdl.handle.net/21.15107/rcub_dais_256 .

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