De-Alloyed PtCu/C Catalysts of Oxygen Electroreduction
S A Kirakosyan
1
,
A A Alekseenko
1
,
V E Guterman
1
,
I N Novomlinskii
1
,
V S Menshchikov
1
,
E V Gerasimova
2
,
A. Yu. Nikulin
1
Publication type: Journal Article
Publication date: 2019-12-01
scimago Q4
wos Q4
SJR: 0.236
CiteScore: 1.9
Impact factor: 0.8
ISSN: 10231935, 16083342
Electrochemistry
Abstract
Platinum-containing bimetallic nanoparticles manifest high functional characteristics as electrocatalysts. To use PtCu/C catalysts in low-temperature fuel cells, it is necessary to minimize selective copper dissolution, as copper cations can pollute the polymer membrane and decrease its proton conductivity. The work determines the composition, measures the electrochemically active surface area, and studies the electrochemical behavior of PtCu/C catalysts containing nanoparticles with a “core–shell” structure in the initial state (as-prepared) and after pretreatment in solutions of different acids. The comparative determination of catalyst activity in an electrochemical cell and their testing in a membrane-electrode assembly of fuel cells showed that pretreated PtCu/C materials with a much better stability as compared to Pt/C were also noninferior to the latter as regards their activity in the oxygen electroreduction reaction.
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12
Total citations:
12
Citations from 2024:
1
(8%)
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GOST
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Kirakosyan S. A. et al. De-Alloyed PtCu/C Catalysts of Oxygen Electroreduction // Russian Journal of Electrochemistry. 2019. Vol. 55. No. 12. pp. 1258-1268.
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Kirakosyan S. A., Alekseenko A. A., Guterman V. E., Novomlinskii I. N., Menshchikov V. S., Gerasimova E. V., Nikulin A. Y. De-Alloyed PtCu/C Catalysts of Oxygen Electroreduction // Russian Journal of Electrochemistry. 2019. Vol. 55. No. 12. pp. 1258-1268.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1134/S1023193519120085
UR - https://doi.org/10.1134/S1023193519120085
TI - De-Alloyed PtCu/C Catalysts of Oxygen Electroreduction
T2 - Russian Journal of Electrochemistry
AU - Kirakosyan, S A
AU - Alekseenko, A A
AU - Guterman, V E
AU - Novomlinskii, I N
AU - Menshchikov, V S
AU - Gerasimova, E V
AU - Nikulin, A. Yu.
PY - 2019
DA - 2019/12/01
PB - Pleiades Publishing
SP - 1258-1268
IS - 12
VL - 55
SN - 1023-1935
SN - 1608-3342
ER -
Cite this
BibTex (up to 50 authors)
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@article{2019_Kirakosyan,
author = {S A Kirakosyan and A A Alekseenko and V E Guterman and I N Novomlinskii and V S Menshchikov and E V Gerasimova and A. Yu. Nikulin},
title = {De-Alloyed PtCu/C Catalysts of Oxygen Electroreduction},
journal = {Russian Journal of Electrochemistry},
year = {2019},
volume = {55},
publisher = {Pleiades Publishing},
month = {dec},
url = {https://doi.org/10.1134/S1023193519120085},
number = {12},
pages = {1258--1268},
doi = {10.1134/S1023193519120085}
}
Cite this
MLA
Copy
Kirakosyan, S. A., et al. “De-Alloyed PtCu/C Catalysts of Oxygen Electroreduction.” Russian Journal of Electrochemistry, vol. 55, no. 12, Dec. 2019, pp. 1258-1268. https://doi.org/10.1134/S1023193519120085.