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Effect of hydrogen evolution reaction on morphology and crystal structure of electrolytically produced copper powder particles

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2018
Authors
Nikolic, Nebojsa
Avramovic, Ljiljana
Maksimovic, Vesna
Baščarević, Zvezdana
Ignjatović, Nenad
Stevanovic, Jasmina
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Abstract
Morphologies of copper powder particles obtained by potentiostatic regime of electrolysis under different hydrogen evolution conditions were correlated with their crystal structure. In the dependence of quantity of evolved hydrogen, the either dendritic or cauliflower-like particles were formed. In the both types of the particles, Cu crystallites were random oriented. This random orientation is ascribed to the existence of the spherical morphology and to similar morphology at the micro level, because the both types of particles were constructed from small agglomerates of approximately spherical Cu grains at the micro level. The particle size distribution (PSD) of the obtained particles is also examined and it was shown the strong effect of the shape and size of particles on it, with a tendency of the decrease of particle size with increasing the overpotential of electrolysis.
Morfologije praškastih čestica bakra dobijene potenciostatskim režimom elektrolize pod različitim uslovima izdvajanja vodonika su korelisane sa njihovom kristalnom strukturom. U zavisnosti od količine izdvojenog vodonika, formirane su ili dendritične ili karfiolaste čestice. U oba tipa čestica, kristaliti bakra su bili slučajno orijentisani. Ova slučajna orijentacija je pripisana postojanju sferične morfologije i sličnoj morfologiji na mikro nivou, zato što oba tipa čestica su bila izgrađena od malih aglomerata približno sferičnih zrna bakra na mikro novou. Raspodela veličine čestica (PSD) dobijenih čestica je takođe ispitana i pokazan je strog uticaj oblika i veličine čestica na raspodelu, sa tendencijom smanjenja veličine čestica sa povećavajućom prenapetošću elektrolize.
Keywords:
electrolysis / copper / scanning electron microscopy / particle size distribution / elektroliza / bakar
Source:
Fourth International Symposium on Corrosion and Materials Protection, Environmental Protection and Protection against Fire, Proceedings, 2018, 33-39
Publisher:
  • Engineer Chamber of Montenegro (CDKZM), Bar, Montenegro

ISBN: 978-9940-9334-3-2

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_rimsi_1932
URI
http://rimsi.imsi.bg.ac.rs/handle/123456789/1932
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za multidisciplinarna istraživanja
TY  - CONF
AU  - Nikolic, Nebojsa
AU  - Avramovic, Ljiljana
AU  - Maksimovic, Vesna
AU  - Baščarević, Zvezdana
AU  - Ignjatović, Nenad
AU  - Stevanovic, Jasmina
PY  - 2018
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/1932
AB  - Morphologies of copper powder particles obtained by potentiostatic regime of electrolysis under different hydrogen evolution conditions were correlated with their crystal structure. In the dependence of quantity of evolved hydrogen, the either dendritic or cauliflower-like particles were formed. In the both types of the particles, Cu crystallites were random oriented. This random orientation is ascribed to the existence of the spherical morphology and to similar morphology at the micro level, because the both types of particles were constructed from small agglomerates of approximately spherical Cu grains at the micro level. The particle size distribution (PSD) of the obtained particles is also examined and it was shown the strong effect of the shape and size of particles on it, with a tendency of the decrease of particle size with increasing the overpotential of electrolysis.
AB  - Morfologije praškastih čestica bakra dobijene potenciostatskim režimom elektrolize pod različitim uslovima izdvajanja vodonika su korelisane sa njihovom kristalnom strukturom. U zavisnosti od količine izdvojenog vodonika, formirane su ili dendritične ili karfiolaste čestice. U oba tipa čestica, kristaliti bakra su bili slučajno orijentisani. Ova slučajna orijentacija je pripisana postojanju sferične morfologije i sličnoj morfologiji na mikro nivou, zato što oba tipa čestica su bila izgrađena od malih aglomerata približno sferičnih zrna bakra na mikro novou. Raspodela veličine čestica (PSD) dobijenih čestica je takođe ispitana i pokazan je strog uticaj oblika i veličine čestica na raspodelu, sa tendencijom smanjenja veličine čestica sa povećavajućom prenapetošću elektrolize.
PB  - Engineer Chamber of Montenegro (CDKZM), Bar, Montenegro
C3  - Fourth International Symposium on Corrosion and Materials Protection, Environmental Protection and Protection against Fire, Proceedings
T1  - Effect of hydrogen evolution reaction on morphology and crystal structure of electrolytically produced copper powder particles
EP  - 39
SP  - 33
UR  - https://hdl.handle.net/21.15107/rcub_rimsi_1932
ER  - 
@conference{
author = "Nikolic, Nebojsa and Avramovic, Ljiljana and Maksimovic, Vesna and Baščarević, Zvezdana and Ignjatović, Nenad and Stevanovic, Jasmina",
year = "2018",
abstract = "Morphologies of copper powder particles obtained by potentiostatic regime of electrolysis under different hydrogen evolution conditions were correlated with their crystal structure. In the dependence of quantity of evolved hydrogen, the either dendritic or cauliflower-like particles were formed. In the both types of the particles, Cu crystallites were random oriented. This random orientation is ascribed to the existence of the spherical morphology and to similar morphology at the micro level, because the both types of particles were constructed from small agglomerates of approximately spherical Cu grains at the micro level. The particle size distribution (PSD) of the obtained particles is also examined and it was shown the strong effect of the shape and size of particles on it, with a tendency of the decrease of particle size with increasing the overpotential of electrolysis., Morfologije praškastih čestica bakra dobijene potenciostatskim režimom elektrolize pod različitim uslovima izdvajanja vodonika su korelisane sa njihovom kristalnom strukturom. U zavisnosti od količine izdvojenog vodonika, formirane su ili dendritične ili karfiolaste čestice. U oba tipa čestica, kristaliti bakra su bili slučajno orijentisani. Ova slučajna orijentacija je pripisana postojanju sferične morfologije i sličnoj morfologiji na mikro nivou, zato što oba tipa čestica su bila izgrađena od malih aglomerata približno sferičnih zrna bakra na mikro novou. Raspodela veličine čestica (PSD) dobijenih čestica je takođe ispitana i pokazan je strog uticaj oblika i veličine čestica na raspodelu, sa tendencijom smanjenja veličine čestica sa povećavajućom prenapetošću elektrolize.",
publisher = "Engineer Chamber of Montenegro (CDKZM), Bar, Montenegro",
journal = "Fourth International Symposium on Corrosion and Materials Protection, Environmental Protection and Protection against Fire, Proceedings",
title = "Effect of hydrogen evolution reaction on morphology and crystal structure of electrolytically produced copper powder particles",
pages = "39-33",
url = "https://hdl.handle.net/21.15107/rcub_rimsi_1932"
}
Nikolic, N., Avramovic, L., Maksimovic, V., Baščarević, Z., Ignjatović, N.,& Stevanovic, J.. (2018). Effect of hydrogen evolution reaction on morphology and crystal structure of electrolytically produced copper powder particles. in Fourth International Symposium on Corrosion and Materials Protection, Environmental Protection and Protection against Fire, Proceedings
Engineer Chamber of Montenegro (CDKZM), Bar, Montenegro., 33-39.
https://hdl.handle.net/21.15107/rcub_rimsi_1932
Nikolic N, Avramovic L, Maksimovic V, Baščarević Z, Ignjatović N, Stevanovic J. Effect of hydrogen evolution reaction on morphology and crystal structure of electrolytically produced copper powder particles. in Fourth International Symposium on Corrosion and Materials Protection, Environmental Protection and Protection against Fire, Proceedings. 2018;:33-39.
https://hdl.handle.net/21.15107/rcub_rimsi_1932 .
Nikolic, Nebojsa, Avramovic, Ljiljana, Maksimovic, Vesna, Baščarević, Zvezdana, Ignjatović, Nenad, Stevanovic, Jasmina, "Effect of hydrogen evolution reaction on morphology and crystal structure of electrolytically produced copper powder particles" in Fourth International Symposium on Corrosion and Materials Protection, Environmental Protection and Protection against Fire, Proceedings (2018):33-39,
https://hdl.handle.net/21.15107/rcub_rimsi_1932 .

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