Cobalt-chrome activation of the nickel electrodes for the HER in alkaline water electrolysis - Part II
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Аутори
Marčeta Kaninski, Milica![](/themes/MirageVinar/images/orcid.png)
Seović, Mina M.
![](/themes/MirageVinar/images/orcid.png)
Miulović, Snežana M.
![](/themes/MirageVinar/images/orcid.png)
Žugić, Dragana
![](/themes/MirageVinar/images/orcid.png)
Tasić, Gvozden S.
Šaponjić, Đorđe
![](/themes/MirageVinar/images/orcid.png)
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Catalyst based on cobalt and chrome was investigated as cathode material for hydrogen production process via water electrolysis. Electrocatalytic efficiency of proposed system was studied using quasi-potentiostatic, galvanostatic and impedance spectroscopy techniques of the catalyst obtained by in situ electrodeposition in an alkaline, 6 M KOH, electrolyser. In accordance to our previous studies, synergetic effect of cobalt complex and chrome salt is observed, with its maximum at high temperatures and for high current densities (industrial conditions). The Tafel slopes were found to be around 120 mV and exchange current densities in the range of 10(-3) mA cm(-2) up to 10(-2) mA cm(-2). Results are presented to show the Tafel slopes, the exchange current densities, the apparent energy of activation and the apparent electrochemical surface of in situ formed Co-Cr catalyst. This study shows that catalytic performance of Co-Cr was achieved not only from the increase of the real surface are...a of electrodes, but also from the true catalytic effect. Copyright (C) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
Кључне речи:
Electrolysis / Hydrogen / Catalysis / Ionic activators / Energy consumptionИзвор:
International Journal of Hydrogen Energy, 2013, 38, 4, 1758-1764Финансирање / пројекти:
- Водонична енергија - развој нових материјала: електролитичко добијање водоника, водоничне горивне ћелије, изотопски ефекти (RS-MESTD-Basic Research (BR or ON)-172045)
DOI: 10.1016/j.ijhydene.2012.11.117
ISSN: 0360-3199; 1879-3487
WoS: 000314860600002
Scopus: 2-s2.0-84872607112
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Институција/група
VinčaTY - JOUR AU - Marčeta Kaninski, Milica AU - Seović, Mina M. AU - Miulović, Snežana M. AU - Žugić, Dragana AU - Tasić, Gvozden S. AU - Šaponjić, Đorđe PY - 2013 UR - https://vinar.vin.bg.ac.rs/handle/123456789/5307 AB - Catalyst based on cobalt and chrome was investigated as cathode material for hydrogen production process via water electrolysis. Electrocatalytic efficiency of proposed system was studied using quasi-potentiostatic, galvanostatic and impedance spectroscopy techniques of the catalyst obtained by in situ electrodeposition in an alkaline, 6 M KOH, electrolyser. In accordance to our previous studies, synergetic effect of cobalt complex and chrome salt is observed, with its maximum at high temperatures and for high current densities (industrial conditions). The Tafel slopes were found to be around 120 mV and exchange current densities in the range of 10(-3) mA cm(-2) up to 10(-2) mA cm(-2). Results are presented to show the Tafel slopes, the exchange current densities, the apparent energy of activation and the apparent electrochemical surface of in situ formed Co-Cr catalyst. This study shows that catalytic performance of Co-Cr was achieved not only from the increase of the real surface area of electrodes, but also from the true catalytic effect. Copyright (C) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved. T2 - International Journal of Hydrogen Energy T1 - Cobalt-chrome activation of the nickel electrodes for the HER in alkaline water electrolysis - Part II VL - 38 IS - 4 SP - 1758 EP - 1764 DO - 10.1016/j.ijhydene.2012.11.117 ER -
@article{ author = "Marčeta Kaninski, Milica and Seović, Mina M. and Miulović, Snežana M. and Žugić, Dragana and Tasić, Gvozden S. and Šaponjić, Đorđe", year = "2013", abstract = "Catalyst based on cobalt and chrome was investigated as cathode material for hydrogen production process via water electrolysis. Electrocatalytic efficiency of proposed system was studied using quasi-potentiostatic, galvanostatic and impedance spectroscopy techniques of the catalyst obtained by in situ electrodeposition in an alkaline, 6 M KOH, electrolyser. In accordance to our previous studies, synergetic effect of cobalt complex and chrome salt is observed, with its maximum at high temperatures and for high current densities (industrial conditions). The Tafel slopes were found to be around 120 mV and exchange current densities in the range of 10(-3) mA cm(-2) up to 10(-2) mA cm(-2). Results are presented to show the Tafel slopes, the exchange current densities, the apparent energy of activation and the apparent electrochemical surface of in situ formed Co-Cr catalyst. This study shows that catalytic performance of Co-Cr was achieved not only from the increase of the real surface area of electrodes, but also from the true catalytic effect. Copyright (C) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.", journal = "International Journal of Hydrogen Energy", title = "Cobalt-chrome activation of the nickel electrodes for the HER in alkaline water electrolysis - Part II", volume = "38", number = "4", pages = "1758-1764", doi = "10.1016/j.ijhydene.2012.11.117" }
Marčeta Kaninski, M., Seović, M. M., Miulović, S. M., Žugić, D., Tasić, G. S.,& Šaponjić, Đ.. (2013). Cobalt-chrome activation of the nickel electrodes for the HER in alkaline water electrolysis - Part II. in International Journal of Hydrogen Energy, 38(4), 1758-1764. https://doi.org/10.1016/j.ijhydene.2012.11.117
Marčeta Kaninski M, Seović MM, Miulović SM, Žugić D, Tasić GS, Šaponjić Đ. Cobalt-chrome activation of the nickel electrodes for the HER in alkaline water electrolysis - Part II. in International Journal of Hydrogen Energy. 2013;38(4):1758-1764. doi:10.1016/j.ijhydene.2012.11.117 .
Marčeta Kaninski, Milica, Seović, Mina M., Miulović, Snežana M., Žugić, Dragana, Tasić, Gvozden S., Šaponjić, Đorđe, "Cobalt-chrome activation of the nickel electrodes for the HER in alkaline water electrolysis - Part II" in International Journal of Hydrogen Energy, 38, no. 4 (2013):1758-1764, https://doi.org/10.1016/j.ijhydene.2012.11.117 . .