International Journal of Hydrogen Energy, volume 43, issue 51, pages 22885-22895
Durability of de-alloyed PtCu/C electrocatalysts
Publication type: Journal Article
Publication date: 2018-12-01
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
Durability is one of the most important characteristics of electrocatalysts used in low-temperature fuel cells with a proton exchange membrane. The degradation degree of deposited electrocatalysts containing platinum and platinum-copper nanoparticles with Pt-loading of about 20% by weight was assessed by voltammetric stress-testing, which corresponded to different mechanisms of degradation. The differences in the Pt Cu nanoparticles architecture, caused by the peculiarities in their synthesis, affect the catalysts stability and their composition change due to the stress tests. It has been shown that at the close values of Pt-loading and electrochemically active surface area (ESA), the bimetallic catalysts on the Vulcan XC72 carbon carrier demonstrate significantly higher stability compared to commercial Pt/C catalysts. In this case, the “gradient” catalyst obtained by successive multi-stage copper and platinum deposition showed the highest residual activity in ORR, as well as resistance to stress testing and to the copper selective dissolution.
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Citations by publishers
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1 publication, 4.55%
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Alekseenko A. A. et al. Durability of de-alloyed PtCu/C electrocatalysts // International Journal of Hydrogen Energy. 2018. Vol. 43. No. 51. pp. 22885-22895.
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Alekseenko A. A., Moguchikh E. A., Safronenko O. I., Guterman V. E. Durability of de-alloyed PtCu/C electrocatalysts // International Journal of Hydrogen Energy. 2018. Vol. 43. No. 51. pp. 22885-22895.
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TY - JOUR
DO - 10.1016/j.ijhydene.2018.10.139
UR - https://doi.org/10.1016%2Fj.ijhydene.2018.10.139
TI - Durability of de-alloyed PtCu/C electrocatalysts
T2 - International Journal of Hydrogen Energy
AU - Alekseenko, A. A.
AU - Moguchikh, E A
AU - Safronenko, O I
AU - Guterman, V. E.
PY - 2018
DA - 2018/12/01 00:00:00
PB - Elsevier
SP - 22885-22895
IS - 51
VL - 43
SN - 0360-3199
ER -
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@article{2018_Alekseenko,
author = {A. A. Alekseenko and E A Moguchikh and O I Safronenko and V. E. Guterman},
title = {Durability of de-alloyed PtCu/C electrocatalysts},
journal = {International Journal of Hydrogen Energy},
year = {2018},
volume = {43},
publisher = {Elsevier},
month = {dec},
url = {https://doi.org/10.1016%2Fj.ijhydene.2018.10.139},
number = {51},
pages = {22885--22895},
doi = {10.1016/j.ijhydene.2018.10.139}
}
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MLA
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Alekseenko, A. A., et al. “Durability of de-alloyed PtCu/C electrocatalysts.” International Journal of Hydrogen Energy, vol. 43, no. 51, Dec. 2018, pp. 22885-22895. https://doi.org/10.1016%2Fj.ijhydene.2018.10.139.