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Carbon Supported PtSn versus PtSnO2 Catalysts in Methanol Oxidation

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2021
osnovni rad (396.7Kb)
Authors
Stevanović, Sanja
Tripković, Dušan
Gavrilović-Wohlmuther, Aleksandra
Rogan, Jelena R.
Lačnjevac, Uroš
Jovanović, Vladislava M.
Article (Published version)
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Abstract
Pt, PtSn and PtSnO2 catalysts supported on high surface area carbon synthesized by microwave assisted polyol procedure were tested for methanol oxidation. Based on TGA, EDX and XRD analysis, PtSn/C is composed of Pt and Pt3Sn phase while the rest of Sn is present in a form of very small tin oxide particles. This paper focuses on structure-activity relationships for CO tolerance and methanol oxidation reactions after addition of Sn to Pt catalysts. Alloying of Sn with Pt improves the rate of CO oxidation despite the fact that the pure Sn does not react with CO and therefore activity for methanol oxidation increases ~ 2 times in comparison to Pt/C catalyst. PtSn/C catalyst shows small advantage in comparison with PtSnO2/C catalyst due to the alloyed Sn and its electronic effect. Long term stability tests also confirmed that PtSn/C catalyst is somewhat better in comparison to PtSnO2/C.
Keywords:
methanol oxidation / microwave polyol synthesis / platinum catalysts / stability tests
Source:
International Journal of Electrochemical Science, 2021, 16, 1-
Publisher:
  • Serbia : Electrochemical Science Group
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200026 (University of Belgrade, Institute of Chemistry, Technology and Metallurgy - IChTM) (RS-200026)

DOI: 10.20964/2021.02.55

ISSN: 1452-3981

WoS: 000620082300015

Scopus: 2-s2.0-85101861360
[ Google Scholar ]
3
1
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/4821
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Stevanović, Sanja
AU  - Tripković, Dušan
AU  - Gavrilović-Wohlmuther, Aleksandra
AU  - Rogan, Jelena R.
AU  - Lačnjevac, Uroš
AU  - Jovanović, Vladislava M.
PY  - 2021
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/4821
AB  - Pt, PtSn and PtSnO2 catalysts supported on high surface area carbon synthesized by microwave assisted polyol procedure were tested for methanol oxidation. Based on TGA, EDX and XRD analysis, PtSn/C is composed of Pt and Pt3Sn phase while the rest of Sn is present in a form of very small tin oxide particles. This paper focuses on structure-activity relationships for CO tolerance and methanol oxidation reactions after addition of Sn to Pt catalysts. Alloying of Sn with Pt improves the rate of CO oxidation despite the fact that the pure Sn does not react with CO and therefore activity for methanol oxidation increases ~ 2 times in comparison to Pt/C catalyst. PtSn/C catalyst shows small advantage in comparison with PtSnO2/C catalyst due to the alloyed Sn and its electronic effect. Long term stability tests also confirmed that PtSn/C catalyst is somewhat better in comparison to PtSnO2/C.
PB  - Serbia : Electrochemical Science Group
T2  - International Journal of Electrochemical Science
T1  - Carbon Supported PtSn versus PtSnO2 Catalysts in Methanol Oxidation
VL  - 16
VL  - 2
SP  - 1
SP  - 16
DO  - 10.20964/2021.02.55
ER  - 
@article{
author = "Stevanović, Sanja and Tripković, Dušan and Gavrilović-Wohlmuther, Aleksandra and Rogan, Jelena R. and Lačnjevac, Uroš and Jovanović, Vladislava M.",
year = "2021",
abstract = "Pt, PtSn and PtSnO2 catalysts supported on high surface area carbon synthesized by microwave assisted polyol procedure were tested for methanol oxidation. Based on TGA, EDX and XRD analysis, PtSn/C is composed of Pt and Pt3Sn phase while the rest of Sn is present in a form of very small tin oxide particles. This paper focuses on structure-activity relationships for CO tolerance and methanol oxidation reactions after addition of Sn to Pt catalysts. Alloying of Sn with Pt improves the rate of CO oxidation despite the fact that the pure Sn does not react with CO and therefore activity for methanol oxidation increases ~ 2 times in comparison to Pt/C catalyst. PtSn/C catalyst shows small advantage in comparison with PtSnO2/C catalyst due to the alloyed Sn and its electronic effect. Long term stability tests also confirmed that PtSn/C catalyst is somewhat better in comparison to PtSnO2/C.",
publisher = "Serbia : Electrochemical Science Group",
journal = "International Journal of Electrochemical Science",
title = "Carbon Supported PtSn versus PtSnO2 Catalysts in Methanol Oxidation",
volume = "16, 2",
pages = "1-16",
doi = "10.20964/2021.02.55"
}
Stevanović, S., Tripković, D., Gavrilović-Wohlmuther, A., Rogan, J. R., Lačnjevac, U.,& Jovanović, V. M.. (2021). Carbon Supported PtSn versus PtSnO2 Catalysts in Methanol Oxidation. in International Journal of Electrochemical Science
Serbia : Electrochemical Science Group., 16, 1.
https://doi.org/10.20964/2021.02.55
Stevanović S, Tripković D, Gavrilović-Wohlmuther A, Rogan JR, Lačnjevac U, Jovanović VM. Carbon Supported PtSn versus PtSnO2 Catalysts in Methanol Oxidation. in International Journal of Electrochemical Science. 2021;16:1.
doi:10.20964/2021.02.55 .
Stevanović, Sanja, Tripković, Dušan, Gavrilović-Wohlmuther, Aleksandra, Rogan, Jelena R., Lačnjevac, Uroš, Jovanović, Vladislava M., "Carbon Supported PtSn versus PtSnO2 Catalysts in Methanol Oxidation" in International Journal of Electrochemical Science, 16 (2021):1,
https://doi.org/10.20964/2021.02.55 . .

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