Ispitivanje stabilnosti PtZn/C katalizatora za reakciju elektrooksidacije metanola, etanola i mravlje kiseline
Stability tests investigations for PtZn/C catalyst in methanol, ethanol and formic acid electrooxidation reaction
Конференцијски прилог (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
PtZn katalizator deponovan na ugljenik razvijene površine Vulcan XC-72R
sintetizovan je poliol metodom uz pomoć mikrotalasne pećnice i testiran za
reakciju elektrooksidacije metanola, etanola i mravlje kiseline u sumpornoj
kiselini. Poređenje stabilnosti PtZn/C katalizatora za reakciju elektrooksidacije
metanola, etanola i mravlje kiseline dobijeno je produženim cikliziranjem.
Fizičkohemijska svojstva dobijenih katalizatora su okarakterisana
transmisijskom elektronskom mikroskopijom (TEM), termogravimetrijskom
(TGA) analizom i energetsko disperzivnom spektroskopijom (EDS). Prema
TEM analizi, PtZn/C katalizator ima male čestice prilično slične veličine
između 1 i 2 nm. TGA analiza je pokazala 27,68 tež. % metala za PtZn/C
katalizator. Hemijski sastav PtZn/C katalizatora je pokazao da je odnos Pt:Zn u
katalizatoru 87 tež.% : 13 tež.%. Dodavanje Zn u Pt značajno poboljšava
aktivnost za oksidaciju metanola i etanola u poređenju sa Pt/C referentnim
katalizatorom. Testovi stabil...nosti su potvrdili da su PtZn/C katalizatori
najstabilniji za reakciju elektrooksidacije metanola. Uočena visoka katalitička
aktivnost i dobra stabilnost u reakciji oksidacije metanola sintetizovanog
katalizatora mogu se pripisati veoma efikasnoj mikrotalasnoj sintezi i dobro
izbalansiranom sadržaju Zn kao legirajućeg metala.
PtZn catalyst material deposited on high surface area carbon Vulcan XC-72R
was synthesized by microwave-assisted polyol method and tested for methanol,
ethanol and formic acid electrooxidation reaction in sulphuric acid. The
comparison of the stability behaviour of the PtZn/C catalyst for the methanol,
ethanol and formic acid electrooxidation reaction were obtained from
prolonged cycling. Physicochemical properties of obtained catalysts were
characterized by transmission electron microscopy (TEM), thermogravimetric (TGA) analysis and energy dispersive spectroscopy (EDS). According to TEM
analysis PtZn/C catalyst have small particles of rather similar size between 1
and 2 nm. TGA analysis revealed 27.68 wt. % of metals in PtZn/C catalyst
powder. The chemical composition of the PtZn/C catalyst was showed that the
Pt:Zn ratio for the PtZn/C catalyst is 87 wt.% : 13wt.%. Addition of Zn to Pt
significantly improves methanol and ethanol oxidation activity in comparison to
Pt/C be...nchmark catalyst. Long term stability tests confirmed that PtZn/C
catalysts are notably less poisoned for the methanol electroxidation reaction.
The observed high catalytic activity and good stability in the methanol
oxidation reaction of synthesized catalyst can be ascribed to the very efficient
microwave synthesis and well-balanced content of Zn as alloying metal.
Кључне речи:
Platinum Catalysts / Methanol / Ethanol / Formic acidИзвор:
5th International symposium on corrosion and materials protection, environmental protection and protection against fire, Proceedings, 26-29. September 2023, Bar / Peti međunarodni simpozijum o koroziji i zaštiti materijala, životnoj sredini i zaštiti od požara, knjiga radova, 26-29. septembar 2023 godine, Ba, 2023, 64-72Издавач:
- Crnogorsko društvo za koroziju, zaštitu materijala i zaštitu životne sredine
Финансирање / пројекти:
- Министарство науке, технолошког развоја и иновација Републике Србије, институционално финансирање - 200026 (Универзитет у Београду, Институт за хемију, технологију и металургију - ИХТМ) (RS-MESTD-inst-2020-200026)
- AdCatFC - Advanced Catalysts for Low Temperature Fuel Cells: From Model System to Sustainable Catalysts (RS-ScienceFundRS-Ideje-7739802)
Институција/група
IHTMTY - CONF AU - Stevanović, Sanja AU - Milošević, Dragana AU - Tripković, Dušan AU - Nikolić, Nebojša D. PY - 2023 UR - https://cer.ihtm.bg.ac.rs/handle/123456789/6792 AB - PtZn katalizator deponovan na ugljenik razvijene površine Vulcan XC-72R sintetizovan je poliol metodom uz pomoć mikrotalasne pećnice i testiran za reakciju elektrooksidacije metanola, etanola i mravlje kiseline u sumpornoj kiselini. Poređenje stabilnosti PtZn/C katalizatora za reakciju elektrooksidacije metanola, etanola i mravlje kiseline dobijeno je produženim cikliziranjem. Fizičkohemijska svojstva dobijenih katalizatora su okarakterisana transmisijskom elektronskom mikroskopijom (TEM), termogravimetrijskom (TGA) analizom i energetsko disperzivnom spektroskopijom (EDS). Prema TEM analizi, PtZn/C katalizator ima male čestice prilično slične veličine između 1 i 2 nm. TGA analiza je pokazala 27,68 tež. % metala za PtZn/C katalizator. Hemijski sastav PtZn/C katalizatora je pokazao da je odnos Pt:Zn u katalizatoru 87 tež.% : 13 tež.%. Dodavanje Zn u Pt značajno poboljšava aktivnost za oksidaciju metanola i etanola u poređenju sa Pt/C referentnim katalizatorom. Testovi stabilnosti su potvrdili da su PtZn/C katalizatori najstabilniji za reakciju elektrooksidacije metanola. Uočena visoka katalitička aktivnost i dobra stabilnost u reakciji oksidacije metanola sintetizovanog katalizatora mogu se pripisati veoma efikasnoj mikrotalasnoj sintezi i dobro izbalansiranom sadržaju Zn kao legirajućeg metala. AB - PtZn catalyst material deposited on high surface area carbon Vulcan XC-72R was synthesized by microwave-assisted polyol method and tested for methanol, ethanol and formic acid electrooxidation reaction in sulphuric acid. The comparison of the stability behaviour of the PtZn/C catalyst for the methanol, ethanol and formic acid electrooxidation reaction were obtained from prolonged cycling. Physicochemical properties of obtained catalysts were characterized by transmission electron microscopy (TEM), thermogravimetric (TGA) analysis and energy dispersive spectroscopy (EDS). According to TEM analysis PtZn/C catalyst have small particles of rather similar size between 1 and 2 nm. TGA analysis revealed 27.68 wt. % of metals in PtZn/C catalyst powder. The chemical composition of the PtZn/C catalyst was showed that the Pt:Zn ratio for the PtZn/C catalyst is 87 wt.% : 13wt.%. Addition of Zn to Pt significantly improves methanol and ethanol oxidation activity in comparison to Pt/C benchmark catalyst. Long term stability tests confirmed that PtZn/C catalysts are notably less poisoned for the methanol electroxidation reaction. The observed high catalytic activity and good stability in the methanol oxidation reaction of synthesized catalyst can be ascribed to the very efficient microwave synthesis and well-balanced content of Zn as alloying metal. PB - Crnogorsko društvo za koroziju, zaštitu materijala i zaštitu životne sredine C3 - 5th International symposium on corrosion and materials protection, environmental protection and protection against fire, Proceedings, 26-29. September 2023, Bar / Peti međunarodni simpozijum o koroziji i zaštiti materijala, životnoj sredini i zaštiti od požara, knjiga radova, 26-29. septembar 2023 godine, Ba T1 - Ispitivanje stabilnosti PtZn/C katalizatora za reakciju elektrooksidacije metanola, etanola i mravlje kiseline T1 - Stability tests investigations for PtZn/C catalyst in methanol, ethanol and formic acid electrooxidation reaction SP - 64 EP - 72 UR - https://hdl.handle.net/21.15107/rcub_cer_6792 ER -
@conference{ author = "Stevanović, Sanja and Milošević, Dragana and Tripković, Dušan and Nikolić, Nebojša D.", year = "2023", abstract = "PtZn katalizator deponovan na ugljenik razvijene površine Vulcan XC-72R sintetizovan je poliol metodom uz pomoć mikrotalasne pećnice i testiran za reakciju elektrooksidacije metanola, etanola i mravlje kiseline u sumpornoj kiselini. Poređenje stabilnosti PtZn/C katalizatora za reakciju elektrooksidacije metanola, etanola i mravlje kiseline dobijeno je produženim cikliziranjem. Fizičkohemijska svojstva dobijenih katalizatora su okarakterisana transmisijskom elektronskom mikroskopijom (TEM), termogravimetrijskom (TGA) analizom i energetsko disperzivnom spektroskopijom (EDS). Prema TEM analizi, PtZn/C katalizator ima male čestice prilično slične veličine između 1 i 2 nm. TGA analiza je pokazala 27,68 tež. % metala za PtZn/C katalizator. Hemijski sastav PtZn/C katalizatora je pokazao da je odnos Pt:Zn u katalizatoru 87 tež.% : 13 tež.%. Dodavanje Zn u Pt značajno poboljšava aktivnost za oksidaciju metanola i etanola u poređenju sa Pt/C referentnim katalizatorom. Testovi stabilnosti su potvrdili da su PtZn/C katalizatori najstabilniji za reakciju elektrooksidacije metanola. Uočena visoka katalitička aktivnost i dobra stabilnost u reakciji oksidacije metanola sintetizovanog katalizatora mogu se pripisati veoma efikasnoj mikrotalasnoj sintezi i dobro izbalansiranom sadržaju Zn kao legirajućeg metala., PtZn catalyst material deposited on high surface area carbon Vulcan XC-72R was synthesized by microwave-assisted polyol method and tested for methanol, ethanol and formic acid electrooxidation reaction in sulphuric acid. The comparison of the stability behaviour of the PtZn/C catalyst for the methanol, ethanol and formic acid electrooxidation reaction were obtained from prolonged cycling. Physicochemical properties of obtained catalysts were characterized by transmission electron microscopy (TEM), thermogravimetric (TGA) analysis and energy dispersive spectroscopy (EDS). According to TEM analysis PtZn/C catalyst have small particles of rather similar size between 1 and 2 nm. TGA analysis revealed 27.68 wt. % of metals in PtZn/C catalyst powder. The chemical composition of the PtZn/C catalyst was showed that the Pt:Zn ratio for the PtZn/C catalyst is 87 wt.% : 13wt.%. Addition of Zn to Pt significantly improves methanol and ethanol oxidation activity in comparison to Pt/C benchmark catalyst. Long term stability tests confirmed that PtZn/C catalysts are notably less poisoned for the methanol electroxidation reaction. The observed high catalytic activity and good stability in the methanol oxidation reaction of synthesized catalyst can be ascribed to the very efficient microwave synthesis and well-balanced content of Zn as alloying metal.", publisher = "Crnogorsko društvo za koroziju, zaštitu materijala i zaštitu životne sredine", journal = "5th International symposium on corrosion and materials protection, environmental protection and protection against fire, Proceedings, 26-29. September 2023, Bar / Peti međunarodni simpozijum o koroziji i zaštiti materijala, životnoj sredini i zaštiti od požara, knjiga radova, 26-29. septembar 2023 godine, Ba", title = "Ispitivanje stabilnosti PtZn/C katalizatora za reakciju elektrooksidacije metanola, etanola i mravlje kiseline, Stability tests investigations for PtZn/C catalyst in methanol, ethanol and formic acid electrooxidation reaction", pages = "64-72", url = "https://hdl.handle.net/21.15107/rcub_cer_6792" }
Stevanović, S., Milošević, D., Tripković, D.,& Nikolić, N. D.. (2023). Ispitivanje stabilnosti PtZn/C katalizatora za reakciju elektrooksidacije metanola, etanola i mravlje kiseline. in 5th International symposium on corrosion and materials protection, environmental protection and protection against fire, Proceedings, 26-29. September 2023, Bar / Peti međunarodni simpozijum o koroziji i zaštiti materijala, životnoj sredini i zaštiti od požara, knjiga radova, 26-29. septembar 2023 godine, Ba Crnogorsko društvo za koroziju, zaštitu materijala i zaštitu životne sredine., 64-72. https://hdl.handle.net/21.15107/rcub_cer_6792
Stevanović S, Milošević D, Tripković D, Nikolić ND. Ispitivanje stabilnosti PtZn/C katalizatora za reakciju elektrooksidacije metanola, etanola i mravlje kiseline. in 5th International symposium on corrosion and materials protection, environmental protection and protection against fire, Proceedings, 26-29. September 2023, Bar / Peti međunarodni simpozijum o koroziji i zaštiti materijala, životnoj sredini i zaštiti od požara, knjiga radova, 26-29. septembar 2023 godine, Ba. 2023;:64-72. https://hdl.handle.net/21.15107/rcub_cer_6792 .
Stevanović, Sanja, Milošević, Dragana, Tripković, Dušan, Nikolić, Nebojša D., "Ispitivanje stabilnosti PtZn/C katalizatora za reakciju elektrooksidacije metanola, etanola i mravlje kiseline" in 5th International symposium on corrosion and materials protection, environmental protection and protection against fire, Proceedings, 26-29. September 2023, Bar / Peti međunarodni simpozijum o koroziji i zaštiti materijala, životnoj sredini i zaštiti od požara, knjiga radova, 26-29. septembar 2023 godine, Ba (2023):64-72, https://hdl.handle.net/21.15107/rcub_cer_6792 .