Russian Journal of Electrochemistry

, том 56 , издание 10 , страницы 850-858

De-Alloyed PtCu/C Catalysts of Methanol Electrooxidation

V S Menshchikov ¹

V E Guterman ¹

S V Belenov ¹

O A Spiridonova ¹

D V Rezvan ¹

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Southern Federal University, Faculty of Chemistry, Rostov-on Don, Russia |

Тип публикации: Journal Article

Дата публикации: 2020-10-30

Pleiades Publishing

Russian Journal of Electrochemistry

scimago Q4

wos Q4

БС3

SJR: 0.236

CiteScore: 1.9

Impact factor: 0.8

ISSN: 10231935, 16083342

DOI: 10.1134/S1023193520100080

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Electrochemistry

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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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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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@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}

}

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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.