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Determination of critical conditions for the formation of electrodeposited copper structures suitable for electrodes in electrochemical devices

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2007
368.pdf (1.485Mb)
Аутори
Nikolić, Nebojša D.
Popov, Konstantin I.
Pavlovic, L.J.
Pavlović, Miomir
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документу
Апстракт
Electrodeposition of copper from acid sulfate solutions at overpotentials on the plateau of the limiting diffusion current density and at higher overpotentials was examined. The average current efficiencies for hydrogen evolution reaction are determined by a measurement of the quantity of evolved hydrogen and the overall electrodeposition current as a function of electrodeposition time, while morphologies of copper deposits are examined by the use of the scanning electron microscopy (SEM) technique. It is found that the open and porous structures of copper deposits (denoted and as honeycomb - like copper structures), suitable for electrodes in electrochemical devices such as fuel cells and chemical sensors, were reached by electrodeposition processes from solutions with the lower concentrations of Cu (II) ions (0.15 M CuSO 4 and less in 0.50 M H2SO4) at overpotentials outside the plateau of the limiting diffusion current density at which the quantity of evolved hydrogen was enough to c...hange hydrodynamic conditions in the near - electrode layer. The main characteristics of these copper structures were craters or holes formed primarily due to the attachment hydrogen bubbles with agglomerates of copper grains between them.

Кључне речи:
Copper / Electrodeposition / Hydrogen evolution / Scanning electron microscope (SEM) / Sensors
Извор:
Sensors, 2007, 7, 1, 1-15
Издавач:
  • MDPI
Финансирање / пројекти:
  • Таложење ултрафиних прахова метала и легура и наноструктурираних површина електрохемијским поступцима (RS-142032)

DOI: 10.3390/s7010001

ISSN: 1424-3210

WoS: 000244634400001

Scopus: 2-s2.0-33947408137
[ Google Scholar ]
53
53
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/370
Колекције
  • Radovi istraživača / Researchers' publications
Институција/група
IHTM
TY  - JOUR
AU  - Nikolić, Nebojša D.
AU  - Popov, Konstantin I.
AU  - Pavlovic, L.J.
AU  - Pavlović, Miomir
PY  - 2007
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/370
AB  - Electrodeposition of copper from acid sulfate solutions at overpotentials on the plateau of the limiting diffusion current density and at higher overpotentials was examined. The average current efficiencies for hydrogen evolution reaction are determined by a measurement of the quantity of evolved hydrogen and the overall electrodeposition current as a function of electrodeposition time, while morphologies of copper deposits are examined by the use of the scanning electron microscopy (SEM) technique. It is found that the open and porous structures of copper deposits (denoted and as honeycomb - like copper structures), suitable for electrodes in electrochemical devices such as fuel cells and chemical sensors, were reached by electrodeposition processes from solutions with the lower concentrations of Cu (II) ions (0.15 M CuSO 4 and less in 0.50 M H2SO4) at overpotentials outside the plateau of the limiting diffusion current density at which the quantity of evolved hydrogen was enough to change hydrodynamic conditions in the near - electrode layer. The main characteristics of these copper structures were craters or holes formed primarily due to the attachment hydrogen bubbles with agglomerates of copper grains between them.
PB  - MDPI
T2  - Sensors
T1  - Determination of critical conditions for the formation of electrodeposited copper structures suitable for electrodes in electrochemical devices
VL  - 7
IS  - 1
SP  - 1
EP  - 15
DO  - 10.3390/s7010001
ER  - 
@article{
author = "Nikolić, Nebojša D. and Popov, Konstantin I. and Pavlovic, L.J. and Pavlović, Miomir",
year = "2007",
abstract = "Electrodeposition of copper from acid sulfate solutions at overpotentials on the plateau of the limiting diffusion current density and at higher overpotentials was examined. The average current efficiencies for hydrogen evolution reaction are determined by a measurement of the quantity of evolved hydrogen and the overall electrodeposition current as a function of electrodeposition time, while morphologies of copper deposits are examined by the use of the scanning electron microscopy (SEM) technique. It is found that the open and porous structures of copper deposits (denoted and as honeycomb - like copper structures), suitable for electrodes in electrochemical devices such as fuel cells and chemical sensors, were reached by electrodeposition processes from solutions with the lower concentrations of Cu (II) ions (0.15 M CuSO 4 and less in 0.50 M H2SO4) at overpotentials outside the plateau of the limiting diffusion current density at which the quantity of evolved hydrogen was enough to change hydrodynamic conditions in the near - electrode layer. The main characteristics of these copper structures were craters or holes formed primarily due to the attachment hydrogen bubbles with agglomerates of copper grains between them.",
publisher = "MDPI",
journal = "Sensors",
title = "Determination of critical conditions for the formation of electrodeposited copper structures suitable for electrodes in electrochemical devices",
volume = "7",
number = "1",
pages = "1-15",
doi = "10.3390/s7010001"
}
Nikolić, N. D., Popov, K. I., Pavlovic, L.J.,& Pavlović, M.. (2007). Determination of critical conditions for the formation of electrodeposited copper structures suitable for electrodes in electrochemical devices. in Sensors
MDPI., 7(1), 1-15.
https://doi.org/10.3390/s7010001
Nikolić ND, Popov KI, Pavlovic L, Pavlović M. Determination of critical conditions for the formation of electrodeposited copper structures suitable for electrodes in electrochemical devices. in Sensors. 2007;7(1):1-15.
doi:10.3390/s7010001 .
Nikolić, Nebojša D., Popov, Konstantin I., Pavlovic, L.J., Pavlović, Miomir, "Determination of critical conditions for the formation of electrodeposited copper structures suitable for electrodes in electrochemical devices" in Sensors, 7, no. 1 (2007):1-15,
https://doi.org/10.3390/s7010001 . .

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