Open Access
Nanomaterials, volume 11, issue 6, pages 1499
Influence of electrochemical pretreatment conditions of Ptcu/c alloy electrocatalyst on its activity
Publication type: Journal Article
Publication date: 2021-06-06
PubMed ID:
34204068
General Chemical Engineering
General Materials Science
Abstract
A carbon supported PtCux/C catalyst, which demonstrates high activity in the oxygen electroreduction and methanol electrooxidation reactions in acidic media, has been obtained using a method of chemical reduction of Pt (IV) and Cu (2+) in the liquid phase. It has been found that the potential range of the preliminary voltammetric activation of the PtCux/C catalyst has a significant effect on the de-alloyed material activity in the oxygen electroreduction reaction (ORR). High-resolution transmission electron microscopy (HRTEM) demonstrates that there are differences in the structures of the as-prepared material and the materials activated in different potential ranges. In this case, there is practically no difference in the composition of the PtCux-y/C materials obtained after activation in different conditions. The main reason for the established effect, apparently, is the reorganized features of the bimetallic nanoparticles’ surface structure, which depend on the value of the limiting anodic potential in the activation process. The effect of the activation conditions on the catalyst’s activity in the methanol electrooxidation reaction is less pronounced.
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Multidisciplinary Digital Publishing Institute (MDPI)
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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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Pavlets A. et al. Influence of electrochemical pretreatment conditions of Ptcu/c alloy electrocatalyst on its activity // Nanomaterials. 2021. Vol. 11. No. 6. p. 1499.
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Pavlets A., Alekseenko A., Menshchikov V., Belenov S., Volochaev V., Pankov I. V., Safronenko O., Guterman V. Influence of electrochemical pretreatment conditions of Ptcu/c alloy electrocatalyst on its activity // Nanomaterials. 2021. Vol. 11. No. 6. p. 1499.
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TY - JOUR
DO - 10.3390/nano11061499
UR - https://doi.org/10.3390%2Fnano11061499
TI - Influence of electrochemical pretreatment conditions of Ptcu/c alloy electrocatalyst on its activity
T2 - Nanomaterials
AU - Menshchikov, Vladislav
AU - Safronenko, Olga
AU - Guterman, Vladimir
AU - Alekseenko, Anastasia
AU - Pavlets, Angelina
AU - Belenov, Sergey
AU - Volochaev, V.A
AU - Pankov, I. V.
PY - 2021
DA - 2021/06/06 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 1499
IS - 6
VL - 11
PMID - 34204068
SN - 2079-4991
ER -
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@article{2021_Pavlets,
author = {Vladislav Menshchikov and Olga Safronenko and Vladimir Guterman and Anastasia Alekseenko and Angelina Pavlets and Sergey Belenov and V.A Volochaev and I. V. Pankov},
title = {Influence of electrochemical pretreatment conditions of Ptcu/c alloy electrocatalyst on its activity},
journal = {Nanomaterials},
year = {2021},
volume = {11},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {jun},
url = {https://doi.org/10.3390%2Fnano11061499},
number = {6},
pages = {1499},
doi = {10.3390/nano11061499}
}
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Pavlets, Angelina, et al. “Influence of electrochemical pretreatment conditions of Ptcu/c alloy electrocatalyst on its activity.” Nanomaterials, vol. 11, no. 6, Jun. 2021, p. 1499. https://doi.org/10.3390%2Fnano11061499.