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Morphologies of electrochemically formed copper powder particles and their dependence on the quantity of evolved hydrogen

Samo za registrovane korisnike
2008
Autori
Nikolić, Nebojša D.
Pavlovic, Lj. J.
Pavlović, Miomir
Popov, Konstantin I.
Članak u časopisu (Objavljena verzija)
Metapodaci
Prikaz svih podataka o dokumentu
Apstrakt
Copper powder particles formed by electrolysis under different quantities of evolved hydrogen were analyzed using the scanning electron microscopy (SEM) technique. It was found that the structure of the powder particles strongly depended on the quantity of evolved hydrogen that is, two types of powder particles were formed, depending on the quantity of evolved hydrogen. One type of particle was formed during the electrodeposition of copper when the quantity of evolved hydrogen was insufficient to change the hydrodynamic conditions in the near-electrode layer. This particle type comprised dendrites constructed of corncob-like structures as the basic element. The other type of particle was cauliflower-like and was formed when the quantity of evolved hydrogen was sufficient to change the hydrodynamic conditions in the near-electrode layer. However, both types of particle consisted of agglomerates of copper grains. The only difference lay in the size of the copper grains of which the agglo...merates were constituted. The size of the grains was a function of the electrodeposition overpotential and, consequently, the quantity of evolved hydrogen, with a tendency to attain a steady value when the electrodeposition overpotential was increased.

Ključne reči:
powder particles / copper / electrolysis / scanning electron microscope (SEM) / hydrogen evolution
Izvor:
Powder Technology, 2008, 185, 3, 195-201
Izdavač:
  • Elsevier Science Sa, Lausanne
Projekti:
  • Taloženje ultrafinih prahova metala i legura i nanostrukturiranih površina elektrohemijskim postupcima (RS-142032)

DOI: 10.1016/j.powtec.2007.10.014

ISSN: 0032-5910

WoS: 000257533600001

Scopus: 2-s2.0-44449164383
[ Google Scholar ]
46
47
URI
http://cer.ihtm.bg.ac.rs/handle/123456789/380
Kolekcije
  • Radovi istraživača / Researchers' publications
Institucija
IHTM
TY  - JOUR
AU  - Nikolić, Nebojša D.
AU  - Pavlovic, Lj. J.
AU  - Pavlović, Miomir
AU  - Popov, Konstantin I.
PY  - 2008
UR  - http://cer.ihtm.bg.ac.rs/handle/123456789/380
AB  - Copper powder particles formed by electrolysis under different quantities of evolved hydrogen were analyzed using the scanning electron microscopy (SEM) technique. It was found that the structure of the powder particles strongly depended on the quantity of evolved hydrogen that is, two types of powder particles were formed, depending on the quantity of evolved hydrogen. One type of particle was formed during the electrodeposition of copper when the quantity of evolved hydrogen was insufficient to change the hydrodynamic conditions in the near-electrode layer. This particle type comprised dendrites constructed of corncob-like structures as the basic element. The other type of particle was cauliflower-like and was formed when the quantity of evolved hydrogen was sufficient to change the hydrodynamic conditions in the near-electrode layer. However, both types of particle consisted of agglomerates of copper grains. The only difference lay in the size of the copper grains of which the agglomerates were constituted. The size of the grains was a function of the electrodeposition overpotential and, consequently, the quantity of evolved hydrogen, with a tendency to attain a steady value when the electrodeposition overpotential was increased.
PB  - Elsevier Science Sa, Lausanne
T2  - Powder Technology
T1  - Morphologies of electrochemically formed copper powder particles and their dependence on the quantity of evolved hydrogen
VL  - 185
IS  - 3
SP  - 195
EP  - 201
DO  - 10.1016/j.powtec.2007.10.014
ER  - 
@article{
author = "Nikolić, Nebojša D. and Pavlovic, Lj. J. and Pavlović, Miomir and Popov, Konstantin I.",
year = "2008",
url = "http://cer.ihtm.bg.ac.rs/handle/123456789/380",
abstract = "Copper powder particles formed by electrolysis under different quantities of evolved hydrogen were analyzed using the scanning electron microscopy (SEM) technique. It was found that the structure of the powder particles strongly depended on the quantity of evolved hydrogen that is, two types of powder particles were formed, depending on the quantity of evolved hydrogen. One type of particle was formed during the electrodeposition of copper when the quantity of evolved hydrogen was insufficient to change the hydrodynamic conditions in the near-electrode layer. This particle type comprised dendrites constructed of corncob-like structures as the basic element. The other type of particle was cauliflower-like and was formed when the quantity of evolved hydrogen was sufficient to change the hydrodynamic conditions in the near-electrode layer. However, both types of particle consisted of agglomerates of copper grains. The only difference lay in the size of the copper grains of which the agglomerates were constituted. The size of the grains was a function of the electrodeposition overpotential and, consequently, the quantity of evolved hydrogen, with a tendency to attain a steady value when the electrodeposition overpotential was increased.",
publisher = "Elsevier Science Sa, Lausanne",
journal = "Powder Technology",
title = "Morphologies of electrochemically formed copper powder particles and their dependence on the quantity of evolved hydrogen",
volume = "185",
number = "3",
pages = "195-201",
doi = "10.1016/j.powtec.2007.10.014"
}
Nikolić ND, Pavlovic LJ, Pavlović M, Popov KI. Morphologies of electrochemically formed copper powder particles and their dependence on the quantity of evolved hydrogen. Powder Technology. 2008;185(3):195-201
Nikolić, N. D., Pavlovic, Lj. J., Pavlović, M.,& Popov, K. I. (2008). Morphologies of electrochemically formed copper powder particles and their dependence on the quantity of evolved hydrogen.
Powder TechnologyElsevier Science Sa, Lausanne., 185(3), 195-201.
https://doi.org/10.1016/j.powtec.2007.10.014
Nikolić Nebojša D., Pavlovic Lj. J., Pavlović Miomir, Popov Konstantin I., "Morphologies of electrochemically formed copper powder particles and their dependence on the quantity of evolved hydrogen" 185, no. 3 (2008):195-201,
https://doi.org/10.1016/j.powtec.2007.10.014 .

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