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Formic acid electrooxidation on carbon supported platinum catalyst with preferential plane orientation

Oksidacija mravlje kiseline na platinskim katalizatorima na ugljeničnom nosaču sa preferencijalno orijentisanim ravnima

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2015
1636.pdf (333.0Kb)
Authors
Krstajić, Mila N.
Stevanović, Sanja
Rogan, Jelena R.
Gojković, Snežana Lj.
Jovanović, Vladislava M.
Article (Published version)
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Abstract
Pt-based nanocatalysts supported on Vulcan XC-72R carbon, were prepared by water-in-oil microemulsion method, with addition of various amounts of HCl in the water phase. Polyethileneglycoldodecylether (BRIJ 30) was used as a surfactant, which influenced the Pt surface structure, along with HCl. Catalysts prepared with addition of 0, 15, 25 and 35 % of HCl during the synthesis, were electrochemically characterised in 0,5 M H2SO4 using cyclic voltammetry and CO oxidation. Formic acid electrooxidation was examined on all investigated catalysts, in terms of their electrocatalytic activity and stability. Platinum loading on carbon support was examined by Thermogravimetric analysis. Catalysts showed different features in hydrogen region, and slight differences in formic acid oxidation mechanisms.
Platinski nano-katalizatori na ugljeničnom nosaču Vulcan XC-72R sintetizovani su mikroemulzionom metodom, sa različitim sadržajem HCl u vodenoj fazi mikroemulzije. Kao surfaktant korišćen je polietilenglikol-dodeciletar (BRIJ30), čija je uloga da, zajedno sa HCl, utiče na strukturu površine platine. Katalizatori, koji su pripremljeni sa 0, 15, 25 i 35 % HCl u vodenoj fazi, okarakterisani su elektrohemijski u 0,5 M H2SO4, cikličnom voltametrijom i oksidacijom CO. Aktivnost i stabilnost sva četiri katalizatora ispitana je za oksidaciju mravlje kiseline. Udeo platine u prahu pripremljenih katalizatora određen je termogravimetrijskom analizom. Katalizatori su pokazali različito ponašanje u vodoničnoj oblasti osnovnih voltamograma, kao i različitu aktivnost i stabilnost za oksidaciju mravlje kiseline.
Keywords:
nanoparticles / platinum / formic acid electrooxidation / microemulsion method / nanočestice / platina / oksidacija mravlje kiseline / mikroemulzije
Source:
Tehnika, 2015, 70, 2, 203-208
Publisher:
  • Savez inženjera i tehničara Srbije

DOI: 10.5937/tehnika1502203K

ISSN: 0040-2176

[ Google Scholar ]
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/1638
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  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Krstajić, Mila N.
AU  - Stevanović, Sanja
AU  - Rogan, Jelena R.
AU  - Gojković, Snežana Lj.
AU  - Jovanović, Vladislava M.
PY  - 2015
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1638
AB  - Pt-based nanocatalysts supported on Vulcan XC-72R carbon, were prepared by water-in-oil microemulsion method, with addition of various amounts of HCl in the water phase. Polyethileneglycoldodecylether (BRIJ 30) was used as a surfactant, which influenced the Pt surface structure, along with HCl. Catalysts prepared with addition of 0, 15, 25 and 35 % of HCl during the synthesis, were electrochemically characterised in 0,5 M H2SO4 using cyclic voltammetry and CO oxidation. Formic acid electrooxidation was examined on all investigated catalysts, in terms of their electrocatalytic activity and stability. Platinum loading on carbon support was examined by Thermogravimetric analysis. Catalysts showed different features in hydrogen region, and slight differences in formic acid oxidation mechanisms.
AB  - Platinski nano-katalizatori na ugljeničnom nosaču Vulcan XC-72R sintetizovani su mikroemulzionom metodom, sa različitim sadržajem HCl u vodenoj fazi mikroemulzije. Kao surfaktant korišćen je polietilenglikol-dodeciletar (BRIJ30), čija je uloga da, zajedno sa HCl, utiče na strukturu površine platine. Katalizatori, koji su pripremljeni sa 0, 15, 25 i 35 % HCl u vodenoj fazi, okarakterisani su elektrohemijski u 0,5 M H2SO4, cikličnom voltametrijom i oksidacijom CO. Aktivnost i stabilnost sva četiri katalizatora ispitana je za oksidaciju mravlje kiseline. Udeo platine u prahu pripremljenih katalizatora određen je termogravimetrijskom analizom. Katalizatori su pokazali različito ponašanje u vodoničnoj oblasti osnovnih voltamograma, kao i različitu aktivnost i stabilnost za oksidaciju mravlje kiseline.
PB  - Savez inženjera i tehničara Srbije
T2  - Tehnika
T1  - Formic acid electrooxidation on carbon supported platinum catalyst with preferential plane orientation
T1  - Oksidacija mravlje kiseline na platinskim katalizatorima na ugljeničnom nosaču sa preferencijalno orijentisanim ravnima
VL  - 70
IS  - 2
SP  - 203
EP  - 208
DO  - 10.5937/tehnika1502203K
ER  - 
@article{
author = "Krstajić, Mila N. and Stevanović, Sanja and Rogan, Jelena R. and Gojković, Snežana Lj. and Jovanović, Vladislava M.",
year = "2015",
abstract = "Pt-based nanocatalysts supported on Vulcan XC-72R carbon, were prepared by water-in-oil microemulsion method, with addition of various amounts of HCl in the water phase. Polyethileneglycoldodecylether (BRIJ 30) was used as a surfactant, which influenced the Pt surface structure, along with HCl. Catalysts prepared with addition of 0, 15, 25 and 35 % of HCl during the synthesis, were electrochemically characterised in 0,5 M H2SO4 using cyclic voltammetry and CO oxidation. Formic acid electrooxidation was examined on all investigated catalysts, in terms of their electrocatalytic activity and stability. Platinum loading on carbon support was examined by Thermogravimetric analysis. Catalysts showed different features in hydrogen region, and slight differences in formic acid oxidation mechanisms., Platinski nano-katalizatori na ugljeničnom nosaču Vulcan XC-72R sintetizovani su mikroemulzionom metodom, sa različitim sadržajem HCl u vodenoj fazi mikroemulzije. Kao surfaktant korišćen je polietilenglikol-dodeciletar (BRIJ30), čija je uloga da, zajedno sa HCl, utiče na strukturu površine platine. Katalizatori, koji su pripremljeni sa 0, 15, 25 i 35 % HCl u vodenoj fazi, okarakterisani su elektrohemijski u 0,5 M H2SO4, cikličnom voltametrijom i oksidacijom CO. Aktivnost i stabilnost sva četiri katalizatora ispitana je za oksidaciju mravlje kiseline. Udeo platine u prahu pripremljenih katalizatora određen je termogravimetrijskom analizom. Katalizatori su pokazali različito ponašanje u vodoničnoj oblasti osnovnih voltamograma, kao i različitu aktivnost i stabilnost za oksidaciju mravlje kiseline.",
publisher = "Savez inženjera i tehničara Srbije",
journal = "Tehnika",
title = "Formic acid electrooxidation on carbon supported platinum catalyst with preferential plane orientation, Oksidacija mravlje kiseline na platinskim katalizatorima na ugljeničnom nosaču sa preferencijalno orijentisanim ravnima",
volume = "70",
number = "2",
pages = "203-208",
doi = "10.5937/tehnika1502203K"
}
Krstajić, M. N., Stevanović, S., Rogan, J. R., Gojković, S. Lj.,& Jovanović, V. M.. (2015). Formic acid electrooxidation on carbon supported platinum catalyst with preferential plane orientation. in Tehnika
Savez inženjera i tehničara Srbije., 70(2), 203-208.
https://doi.org/10.5937/tehnika1502203K
Krstajić MN, Stevanović S, Rogan JR, Gojković SL, Jovanović VM. Formic acid electrooxidation on carbon supported platinum catalyst with preferential plane orientation. in Tehnika. 2015;70(2):203-208.
doi:10.5937/tehnika1502203K .
Krstajić, Mila N., Stevanović, Sanja, Rogan, Jelena R., Gojković, Snežana Lj., Jovanović, Vladislava M., "Formic acid electrooxidation on carbon supported platinum catalyst with preferential plane orientation" in Tehnika, 70, no. 2 (2015):203-208,
https://doi.org/10.5937/tehnika1502203K . .

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