International Journal of Hydrogen Energy, volume 47, issue 71, pages 30460-30471
Effect of the PtCu/C electrocatalysts initial composition on their activity in the de-alloyed state in the oxygen reduction reaction
Publication type: Journal Article
Publication date: 2022-08-11
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 7.2
ISSN: 03603199
Condensed Matter Physics
Energy Engineering and Power Technology
Fuel Technology
Renewable Energy, Sustainability and the Environment
Abstract
The promising ORR electrocatalysts with the low platinum content have been obtained by a simple method in one pot. The morphology of Pt-based nanoparticles supported on carbon was controlled to enhance the catalytic performance in oxygen reduction reaction (ORR). A detailed study of the microstructural characteristics and electrochemical behavior of the de-alloyed electrocatalysts made it possible to obtain a correlation between the effect of PtCu/C materials initial composition and their ORR activity. It has been established that the initial content of the alloying component has a significant effect on the structural reorganization of bimetallic nanoparticles. Electrochemical study results showed that the ORR performance of de-alloyed PtCu/C catalyst with large Cu content in the initial structure was better than that of de-alloyed PtCu/C catalysts with low Cu content due to the morphology advantages. A successful reorganization of NPs structure increased the ORR activity of the de-alloyed catalysts by two times. A presented approach can be applied to design of different ORR electrocatalysts based on the PtM nanoparticles. • Facile and simple synthesis of high active Pt-based electrocatalysts. • De-alloyed Pt–Cu nanoparticles with similar Cu content show different catalytic ORR-activity. • The more copper in the initial PtCu NPs, the more active the de-alloyed catalyst is. • De-alloyed NPs “remember” their initial composition, which affects the final structure and ORR activity.
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Citations by publishers
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Elsevier
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Elsevier
5 publications, 62.5%
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
2 publications, 25%
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Royal Society of Chemistry (RSC)
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Royal Society of Chemistry (RSC)
1 publication, 12.5%
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- We do not take into account publications that without a DOI.
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- Statistics recalculated weekly.
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Pavlets A. et al. Effect of the PtCu/C electrocatalysts initial composition on their activity in the de-alloyed state in the oxygen reduction reaction // International Journal of Hydrogen Energy. 2022. Vol. 47. No. 71. pp. 30460-30471.
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Pavlets A., Alekseenko A. A., Nikolskiy A. V., Kozakov A., Safronenko O. A., Pankov I. V., Guterman V. E. Effect of the PtCu/C electrocatalysts initial composition on their activity in the de-alloyed state in the oxygen reduction reaction // International Journal of Hydrogen Energy. 2022. Vol. 47. No. 71. pp. 30460-30471.
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TY - JOUR
DO - 10.1016/j.ijhydene.2022.07.014
UR - https://doi.org/10.1016%2Fj.ijhydene.2022.07.014
TI - Effect of the PtCu/C electrocatalysts initial composition on their activity in the de-alloyed state in the oxygen reduction reaction
T2 - International Journal of Hydrogen Energy
AU - Pavlets, Angelina
AU - Alekseenko, A. A.
AU - Nikolskiy, A V
AU - Kozakov, A.T.
AU - Safronenko, Olga A
AU - Pankov, I. V.
AU - Guterman, V. E.
PY - 2022
DA - 2022/08/11 00:00:00
PB - Elsevier
SP - 30460-30471
IS - 71
VL - 47
SN - 0360-3199
ER -
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@article{2022_Pavlets,
author = {Angelina Pavlets and A. A. Alekseenko and A V Nikolskiy and A.T. Kozakov and Olga A Safronenko and I. V. Pankov and V. E. Guterman},
title = {Effect of the PtCu/C electrocatalysts initial composition on their activity in the de-alloyed state in the oxygen reduction reaction},
journal = {International Journal of Hydrogen Energy},
year = {2022},
volume = {47},
publisher = {Elsevier},
month = {aug},
url = {https://doi.org/10.1016%2Fj.ijhydene.2022.07.014},
number = {71},
pages = {30460--30471},
doi = {10.1016/j.ijhydene.2022.07.014}
}
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Pavlets, Angelina, et al. “Effect of the PtCu/C electrocatalysts initial composition on their activity in the de-alloyed state in the oxygen reduction reaction.” International Journal of Hydrogen Energy, vol. 47, no. 71, Aug. 2022, pp. 30460-30471. https://doi.org/10.1016%2Fj.ijhydene.2022.07.014.