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Optimization of process of the honeycomb-like structure formation by the regime of reversing current (RC) in the second range

Authorized Users Only
2020
Authors
Nikolic, Nebojša D.
Živković, Predrag M.
Elezović, Nevenka R.
Lačnjevac, Uroš
Article (Published version)
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Abstract
Formation of the honeycomb-like electrodes of copper by the regime of reversing current (RC) in the second range has been investigated. Morphological and structural characteristics of this electrode type obtained by various parameters of RC regimes were examined by the techniques of scanning electron and optical microscopies, while the amount of hydrogen produced during electrodeposition process was quantified by determination of the average current efficiency for hydrogen evolution reaction. To optimize the process of formation of the honeycomb-like electrodes, the following parameters of square wave RC regimes were analyzed: the cathodic current density, the same anodic to cathodic time ratios but various durations of the cathodic and the anodic pulses, and the various values of the anodic to cathodic time ratios. The minimal amount of hydrogen spent for formation of the honeycomb-like electrodes with maximal number of holes formed from detached hydrogen bubbles is obtained with the ...anodic to cathodic time ratio of 0.50 and duration of the cathodic and anodic pulses of 2 and 1 s, respectively. To explain formation of the honeycomb-like electrodes of optimal morphological and structural characteristics, the upgraded mathematical model defining the RC regime in the second range was proposed and discussed.

Keywords:
The honeycomb-like structure / Reversing current (RC) regime / Morphology / Hydrogen / Electrodeposition / Copper
Source:
Journal of Solid State Electrochemistry, 2020, 24, 7, 1615-1624
Publisher:
  • Springer, New York
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: 10.1007/s10008-020-04658-3

ISSN: 1432-8488

WoS: 000536420300002

Scopus: 2-s2.0-85085576206
[ Google Scholar ]
3
2
URI
http://rimsi.imsi.bg.ac.rs/handle/123456789/1356
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za multidisciplinarna istraživanja
TY  - JOUR
AU  - Nikolic, Nebojša D.
AU  - Živković, Predrag M.
AU  - Elezović, Nevenka R.
AU  - Lačnjevac, Uroš
PY  - 2020
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/1356
AB  - Formation of the honeycomb-like electrodes of copper by the regime of reversing current (RC) in the second range has been investigated. Morphological and structural characteristics of this electrode type obtained by various parameters of RC regimes were examined by the techniques of scanning electron and optical microscopies, while the amount of hydrogen produced during electrodeposition process was quantified by determination of the average current efficiency for hydrogen evolution reaction. To optimize the process of formation of the honeycomb-like electrodes, the following parameters of square wave RC regimes were analyzed: the cathodic current density, the same anodic to cathodic time ratios but various durations of the cathodic and the anodic pulses, and the various values of the anodic to cathodic time ratios. The minimal amount of hydrogen spent for formation of the honeycomb-like electrodes with maximal number of holes formed from detached hydrogen bubbles is obtained with the anodic to cathodic time ratio of 0.50 and duration of the cathodic and anodic pulses of 2 and 1 s, respectively. To explain formation of the honeycomb-like electrodes of optimal morphological and structural characteristics, the upgraded mathematical model defining the RC regime in the second range was proposed and discussed.
PB  - Springer, New York
T2  - Journal of Solid State Electrochemistry
T1  - Optimization of process of the honeycomb-like structure formation by the regime of reversing current (RC) in the second range
EP  - 1624
IS  - 7
SP  - 1615
VL  - 24
DO  - 10.1007/s10008-020-04658-3
ER  - 
@article{
author = "Nikolic, Nebojša D. and Živković, Predrag M. and Elezović, Nevenka R. and Lačnjevac, Uroš",
year = "2020",
abstract = "Formation of the honeycomb-like electrodes of copper by the regime of reversing current (RC) in the second range has been investigated. Morphological and structural characteristics of this electrode type obtained by various parameters of RC regimes were examined by the techniques of scanning electron and optical microscopies, while the amount of hydrogen produced during electrodeposition process was quantified by determination of the average current efficiency for hydrogen evolution reaction. To optimize the process of formation of the honeycomb-like electrodes, the following parameters of square wave RC regimes were analyzed: the cathodic current density, the same anodic to cathodic time ratios but various durations of the cathodic and the anodic pulses, and the various values of the anodic to cathodic time ratios. The minimal amount of hydrogen spent for formation of the honeycomb-like electrodes with maximal number of holes formed from detached hydrogen bubbles is obtained with the anodic to cathodic time ratio of 0.50 and duration of the cathodic and anodic pulses of 2 and 1 s, respectively. To explain formation of the honeycomb-like electrodes of optimal morphological and structural characteristics, the upgraded mathematical model defining the RC regime in the second range was proposed and discussed.",
publisher = "Springer, New York",
journal = "Journal of Solid State Electrochemistry",
title = "Optimization of process of the honeycomb-like structure formation by the regime of reversing current (RC) in the second range",
pages = "1624-1615",
number = "7",
volume = "24",
doi = "10.1007/s10008-020-04658-3"
}
Nikolic, N. D., Živković, P. M., Elezović, N. R.,& Lačnjevac, U.. (2020). Optimization of process of the honeycomb-like structure formation by the regime of reversing current (RC) in the second range. in Journal of Solid State Electrochemistry
Springer, New York., 24(7), 1615-1624.
https://doi.org/10.1007/s10008-020-04658-3
Nikolic ND, Živković PM, Elezović NR, Lačnjevac U. Optimization of process of the honeycomb-like structure formation by the regime of reversing current (RC) in the second range. in Journal of Solid State Electrochemistry. 2020;24(7):1615-1624.
doi:10.1007/s10008-020-04658-3 .
Nikolic, Nebojša D., Živković, Predrag M., Elezović, Nevenka R., Lačnjevac, Uroš, "Optimization of process of the honeycomb-like structure formation by the regime of reversing current (RC) in the second range" in Journal of Solid State Electrochemistry, 24, no. 7 (2020):1615-1624,
https://doi.org/10.1007/s10008-020-04658-3 . .

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