Open Access
On the Influence of Composition and Structure of Carbon-Supported Pt-SnO2 Hetero-Clusters onto Their Electrocatalytic Activity and Durability in PEMFC
Spasov
1
,
Dmitry D. Spasov
1
,
Ivanova
1
,
Pushkarev
1, 2
,
Artem S. Pushkarev
1, 2
,
Pushkareva
1, 2
,
Irina Pushkareva
1, 2
,
Presnyakova
1
,
Natalia N. Presnyakova
1
,
Chumakov
1
,
Presnyakov
1
,
Mikhail Yu Presnyakov
1
,
Grigoriev
1, 2
,
Sergey Grigoriev
1, 2
,
Fateev
1
,
Vladimir N. Fateev
1
Тип публикации: Journal Article
Дата публикации: 2019-09-25
Catalysis
Physical and Theoretical Chemistry
Краткое описание
A detailed study of the structure, morphology and electrochemical properties of Pt/C and Pt/x-SnO2/C catalysts synthesized using a polyol method has been provided. A series of catalysts supported on the SnO2-modified carbon was synthesized and studied by various methods including transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), electrochemical methods, and fuel cell testing. The SnO2 content varies from 5 to 40 wt %. The TEM images, XRD and XPS analysis suggested the Pt-SnO2 hetero-clusters formation. The SnO2 content of ca. 10% ensures an optimal catalytic layer structure and morphology providing uniform distribution of Pt-SnO2 clusters over the carbon support surface. Pt/10wt %-SnO2/C catalyst demonstrates increased activity and durability toward the oxygen reduction reaction (ORR) in course of accelerated stress testing due to the high stability of SnO2 and its interaction with Pt. The polymer electrolyte membrane fuel cell current–voltage performance of the Pt/10wt %-SnO2/C is comparable with those of Pt/C, however, higher durability is expected.
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Spasov et al. On the Influence of Composition and Structure of Carbon-Supported Pt-SnO2 Hetero-Clusters onto Their Electrocatalytic Activity and Durability in PEMFC // Catalysts. 2019. Vol. 9. No. 10. p. 803.
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Spasov, Spasov D. D., Ivanova, Ivanova N. A., Pushkarev, Pushkarev A. S., Pushkareva, Pushkareva I., Presnyakova, Presnyakova N. N., Chumakov, Chumakov R. G., Presnyakov, Presnyakov M. Yu., Grigoriev, Grigoriev S., Fateev, Fateev V. N. On the Influence of Composition and Structure of Carbon-Supported Pt-SnO2 Hetero-Clusters onto Their Electrocatalytic Activity and Durability in PEMFC // Catalysts. 2019. Vol. 9. No. 10. p. 803.
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TY - JOUR
DO - 10.3390/catal9100803
UR - https://www.mdpi.com/2073-4344/9/10/803
TI - On the Influence of Composition and Structure of Carbon-Supported Pt-SnO2 Hetero-Clusters onto Their Electrocatalytic Activity and Durability in PEMFC
T2 - Catalysts
AU - Spasov
AU - Spasov, Dmitry D.
AU - Ivanova
AU - Ivanova, Nataliya A
AU - Pushkarev
AU - Pushkarev, Artem S.
AU - Pushkareva
AU - Pushkareva, Irina
AU - Presnyakova
AU - Presnyakova, Natalia N.
AU - Chumakov
AU - Chumakov, Ratibor G
AU - Presnyakov
AU - Presnyakov, Mikhail Yu
AU - Grigoriev
AU - Grigoriev, Sergey
AU - Fateev
AU - Fateev, Vladimir N.
PY - 2019
DA - 2019/09/25
PB - MDPI
SP - 803
IS - 10
VL - 9
SN - 2073-4344
ER -
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@article{2019_Spasov,
author = {Spasov and Dmitry D. Spasov and Ivanova and Nataliya A Ivanova and Pushkarev and Artem S. Pushkarev and Pushkareva and Irina Pushkareva and Presnyakova and Natalia N. Presnyakova and Chumakov and Ratibor G Chumakov and Presnyakov and Mikhail Yu Presnyakov and Grigoriev and Sergey Grigoriev and Fateev and Vladimir N. Fateev},
title = {On the Influence of Composition and Structure of Carbon-Supported Pt-SnO2 Hetero-Clusters onto Their Electrocatalytic Activity and Durability in PEMFC},
journal = {Catalysts},
year = {2019},
volume = {9},
publisher = {MDPI},
month = {sep},
url = {https://www.mdpi.com/2073-4344/9/10/803},
number = {10},
pages = {803},
doi = {10.3390/catal9100803}
}
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MLA
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Spasov, et al. “On the Influence of Composition and Structure of Carbon-Supported Pt-SnO2 Hetero-Clusters onto Their Electrocatalytic Activity and Durability in PEMFC.” Catalysts, vol. 9, no. 10, Sep. 2019, p. 803. https://www.mdpi.com/2073-4344/9/10/803.
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