De-Alloyed PtCu/C Catalysts of Methanol Electrooxidation
Publication type: Journal Article
Publication date: 2020-10-30
scimago Q4
wos Q4
SJR: 0.236
CiteScore: 1.9
Impact factor: 0.8
ISSN: 10231935, 16083342
Electrochemistry
Abstract
The activity of PtCu/C catalysts in methanol electrooxidation is studied in HClO4 solution. The electrochemical behavior of catalysts is compared for samples in the “as obtained” state and after their pretreatment in nitric acid which decreases the copper content in their composition. It is found that the partial selective dissolution of the alloying component renders no negative effect on the behavior of bimetallic catalysts. The prepared materials exhibit the high tolerance toward intermediates of methanol oxidation and their specific activity exceeds by a factor of 5–7 the activity of the commercial Pt/C catalysts. The results of this study open up the possibility of using de-alloyed platinum-copper catalysts in alcohol fuel cells, because this considerably decreases the risk of contamination of the polymeric membrane.
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Menshchikov V. S. et al. De-Alloyed PtCu/C Catalysts of Methanol Electrooxidation // Russian Journal of Electrochemistry. 2020. Vol. 56. No. 10. pp. 850-858.
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Menshchikov V. S., Guterman V. E., Belenov S. V., Spiridonova O. A., Rezvan D. V. De-Alloyed PtCu/C Catalysts of Methanol Electrooxidation // Russian Journal of Electrochemistry. 2020. Vol. 56. No. 10. pp. 850-858.
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RIS
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TY - JOUR
DO - 10.1134/S1023193520100080
UR - https://doi.org/10.1134/S1023193520100080
TI - De-Alloyed PtCu/C Catalysts of Methanol Electrooxidation
T2 - Russian Journal of Electrochemistry
AU - Menshchikov, V S
AU - Guterman, V E
AU - Belenov, S V
AU - Spiridonova, O A
AU - Rezvan, D V
PY - 2020
DA - 2020/10/30
PB - Pleiades Publishing
SP - 850-858
IS - 10
VL - 56
SN - 1023-1935
SN - 1608-3342
ER -
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BibTex (up to 50 authors)
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@article{2020_Menshchikov,
author = {V S Menshchikov and V E Guterman and S V Belenov and O A Spiridonova and D V Rezvan},
title = {De-Alloyed PtCu/C Catalysts of Methanol Electrooxidation},
journal = {Russian Journal of Electrochemistry},
year = {2020},
volume = {56},
publisher = {Pleiades Publishing},
month = {oct},
url = {https://doi.org/10.1134/S1023193520100080},
number = {10},
pages = {850--858},
doi = {10.1134/S1023193520100080}
}
Cite this
MLA
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Menshchikov, V. S., et al. “De-Alloyed PtCu/C Catalysts of Methanol Electrooxidation.” Russian Journal of Electrochemistry, vol. 56, no. 10, Oct. 2020, pp. 850-858. https://doi.org/10.1134/S1023193520100080.