Ni-MoO2 composite cathodes for hydrogen evolution in alkaline solution: Effect of aging of the electrolyte for their electrodeposition
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” testSource:
Journal of the Serbian Chemical Society, 2013, 78, 5, 689-700Publisher:
- Belgrade : Serbian Chemical Society
Funding / projects:
DOI: 10.2298/JSC120831112J
ISSN: 0352-5139; 1820-7421 (Online)
WoS: 000320070800008
Scopus: 2-s2.0-84877649067
Institution/Community
Институт техничких наука САНУ / Institute of Technical Sciences of SASATY - 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 .