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Mixed RuO2/TiO2 uniform microspheres synthesized by low-temperature ultrasonic spray pyrolysis and their advanced electrochemical performances

Samo za registrovane korisnike
2019
Autori
Košević, Milica
Stopić, Srećko
Cvetković, Vesna S.
Schroeder, Michael
Stevanović, Jasmina
Panić, Vladimir
Friedrich, Bernd
Članak u časopisu (Objavljena verzija)
Metapodaci
Prikaz svih podataka o dokumentu
Apstrakt
Uniformly-shaped, spherical RuO2/TiO2 particles were synthesized exclusively by one-step ultrasonic spray pyrolysis USP) of a mixture of n-butylorthotitanate and ruthenium chloride acidic aqueous solutions. The USP temperature was 200 degrees C -quite below the typical conversion temperatures of the precursors to the oxides. Basic electrochemical properties of RuO2/TiO2 USP powders as-prepared or additionally dried and/or thermally treated) in the form of a thin layer applied onto glassy carbon electrode are investigated and compared to the properties of powder synthesized at quite higher temperature of 800 degrees C. The coatings of activated titanium anode ATA) were prepared from RuO2/TiO2 USP powders in order to check the anode electrolysis stability and to correlate the anode properties to those of native USP powders. Low-temperature material showed much better performances than high-temperature one. ATA obtained from low-temperature USP powder showed considerably higher stability.... The obtained results are found to be in close correlation to the powder and coating structure, composition and morphology affected by subsequent thermal treatment of the material synthesized at low USP temperature.

Ključne reči:
Binary oxides / Electrocatalysis / Composites / Electrochemical impedance / Morphological stability
Izvor:
Applied Surface Science, 2019, 464, 1-9
Izdavač:
  • Elsevier
Finansiranje / projekti:
  • Deutsche Akademische Austausch Dienst (DAAD), Germany - 451-03-01413/2016-09/7
  • Nov pristup dizajniranju materijala za konverziju i skladištenje energije (RS-172060)

DOI: 10.1016/j.apsusc.2018.09.066

ISSN: 0169-4332

WoS: 000447744200001

Scopus: 2-s2.0-85053027836
[ Google Scholar ]
11
10
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/2500
Kolekcije
  • Radovi istraživača / Researchers' publications
Institucija/grupa
IHTM
TY  - JOUR
AU  - Košević, Milica
AU  - Stopić, Srećko
AU  - Cvetković, Vesna S.
AU  - Schroeder, Michael
AU  - Stevanović, Jasmina
AU  - Panić, Vladimir
AU  - Friedrich, Bernd
PY  - 2019
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2500
AB  - Uniformly-shaped, spherical RuO2/TiO2 particles were synthesized exclusively by one-step ultrasonic spray pyrolysis USP) of a mixture of n-butylorthotitanate and ruthenium chloride acidic aqueous solutions. The USP temperature was 200 degrees C -quite below the typical conversion temperatures of the precursors to the oxides. Basic electrochemical properties of RuO2/TiO2 USP powders as-prepared or additionally dried and/or thermally treated) in the form of a thin layer applied onto glassy carbon electrode are investigated and compared to the properties of powder synthesized at quite higher temperature of 800 degrees C. The coatings of activated titanium anode ATA) were prepared from RuO2/TiO2 USP powders in order to check the anode electrolysis stability and to correlate the anode properties to those of native USP powders. Low-temperature material showed much better performances than high-temperature one. ATA obtained from low-temperature USP powder showed considerably higher stability. The obtained results are found to be in close correlation to the powder and coating structure, composition and morphology affected by subsequent thermal treatment of the material synthesized at low USP temperature.
PB  - Elsevier
T2  - Applied Surface Science
T1  - Mixed RuO2/TiO2 uniform microspheres synthesized by low-temperature ultrasonic spray pyrolysis and their advanced electrochemical performances
VL  - 464
SP  - 1
EP  - 9
DO  - 10.1016/j.apsusc.2018.09.066
ER  - 
@article{
author = "Košević, Milica and Stopić, Srećko and Cvetković, Vesna S. and Schroeder, Michael and Stevanović, Jasmina and Panić, Vladimir and Friedrich, Bernd",
year = "2019",
abstract = "Uniformly-shaped, spherical RuO2/TiO2 particles were synthesized exclusively by one-step ultrasonic spray pyrolysis USP) of a mixture of n-butylorthotitanate and ruthenium chloride acidic aqueous solutions. The USP temperature was 200 degrees C -quite below the typical conversion temperatures of the precursors to the oxides. Basic electrochemical properties of RuO2/TiO2 USP powders as-prepared or additionally dried and/or thermally treated) in the form of a thin layer applied onto glassy carbon electrode are investigated and compared to the properties of powder synthesized at quite higher temperature of 800 degrees C. The coatings of activated titanium anode ATA) were prepared from RuO2/TiO2 USP powders in order to check the anode electrolysis stability and to correlate the anode properties to those of native USP powders. Low-temperature material showed much better performances than high-temperature one. ATA obtained from low-temperature USP powder showed considerably higher stability. The obtained results are found to be in close correlation to the powder and coating structure, composition and morphology affected by subsequent thermal treatment of the material synthesized at low USP temperature.",
publisher = "Elsevier",
journal = "Applied Surface Science",
title = "Mixed RuO2/TiO2 uniform microspheres synthesized by low-temperature ultrasonic spray pyrolysis and their advanced electrochemical performances",
volume = "464",
pages = "1-9",
doi = "10.1016/j.apsusc.2018.09.066"
}
Košević, M., Stopić, S., Cvetković, V. S., Schroeder, M., Stevanović, J., Panić, V.,& Friedrich, B.. (2019). Mixed RuO2/TiO2 uniform microspheres synthesized by low-temperature ultrasonic spray pyrolysis and their advanced electrochemical performances. in Applied Surface Science
Elsevier., 464, 1-9.
https://doi.org/10.1016/j.apsusc.2018.09.066
Košević M, Stopić S, Cvetković VS, Schroeder M, Stevanović J, Panić V, Friedrich B. Mixed RuO2/TiO2 uniform microspheres synthesized by low-temperature ultrasonic spray pyrolysis and their advanced electrochemical performances. in Applied Surface Science. 2019;464:1-9.
doi:10.1016/j.apsusc.2018.09.066 .
Košević, Milica, Stopić, Srećko, Cvetković, Vesna S., Schroeder, Michael, Stevanović, Jasmina, Panić, Vladimir, Friedrich, Bernd, "Mixed RuO2/TiO2 uniform microspheres synthesized by low-temperature ultrasonic spray pyrolysis and their advanced electrochemical performances" in Applied Surface Science, 464 (2019):1-9,
https://doi.org/10.1016/j.apsusc.2018.09.066 . .

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