Poster presentation: The pseudo-capacitance of hydrous RuO2 accompanied by mass changes
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Pseudocapacitance reaction of ruthenium oxide was investigated by cyclic voltammetry (CV) measurements combined with electrochemical quartz-crystal nanobalance. RuO2 was synthesized by one-pot microwave assisted hydrothermal method. CV measurements were conducted in H2SO4 and Na2SO4 solutions. The ruthenium oxide electrode as a working electrode was prepared by drop casting the water suspension of RuO2 on Au covered quartz electrode. Beside influence of different electrolyte, the effect of thermal treatment of RuO2 was also investigated since pseudocapacitive behaviour of RuO2 strongly depends on its hydrous form. The obtained results were compared to those of commercial RuO2. The results indicate that during the redox reaction of RuO2, various types of charge occur simultaneously. The mass loss or mass gain depends on the specific potential applied and the electrolyte employed.
Keywords:
ruthenium oxide / cyclic voltammetrySource:
2023Funding / projects:
- Ministry of Science, Technological Development and Innovation of the Republic of Serbia, institutional funding - 200026 (University of Belgrade, Institute of Chemistry, Technology and Metallurgy - IChTM) (RS-MESTD-inst-2020-200026)
Note:
- Poster presentation at Fifth international symposium on corrosion and materials protection, environmental protection and protection against fire proceedings, Proceedings, 26-29. septembar 2023. godine, Bar.
- Conference paper: https://cer.ihtm.bg.ac.rs/handle/123456789/7138
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https://cer.ihtm.bg.ac.rs/handle/123456789/7138
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IHTMTY - CONF AU - Košević, Milica AU - Mihailović, Marija AU - Panić, Vladimir PY - 2023 UR - https://cer.ihtm.bg.ac.rs/handle/123456789/7331 AB - Pseudocapacitance reaction of ruthenium oxide was investigated by cyclic voltammetry (CV) measurements combined with electrochemical quartz-crystal nanobalance. RuO2 was synthesized by one-pot microwave assisted hydrothermal method. CV measurements were conducted in H2SO4 and Na2SO4 solutions. The ruthenium oxide electrode as a working electrode was prepared by drop casting the water suspension of RuO2 on Au covered quartz electrode. Beside influence of different electrolyte, the effect of thermal treatment of RuO2 was also investigated since pseudocapacitive behaviour of RuO2 strongly depends on its hydrous form. The obtained results were compared to those of commercial RuO2. The results indicate that during the redox reaction of RuO2, various types of charge occur simultaneously. The mass loss or mass gain depends on the specific potential applied and the electrolyte employed. T1 - Poster presentation: The pseudo-capacitance of hydrous RuO2 accompanied by mass changes UR - https://hdl.handle.net/21.15107/rcub_cer_7331 ER -
@conference{ author = "Košević, Milica and Mihailović, Marija and Panić, Vladimir", year = "2023", abstract = "Pseudocapacitance reaction of ruthenium oxide was investigated by cyclic voltammetry (CV) measurements combined with electrochemical quartz-crystal nanobalance. RuO2 was synthesized by one-pot microwave assisted hydrothermal method. CV measurements were conducted in H2SO4 and Na2SO4 solutions. The ruthenium oxide electrode as a working electrode was prepared by drop casting the water suspension of RuO2 on Au covered quartz electrode. Beside influence of different electrolyte, the effect of thermal treatment of RuO2 was also investigated since pseudocapacitive behaviour of RuO2 strongly depends on its hydrous form. The obtained results were compared to those of commercial RuO2. The results indicate that during the redox reaction of RuO2, various types of charge occur simultaneously. The mass loss or mass gain depends on the specific potential applied and the electrolyte employed.", title = "Poster presentation: The pseudo-capacitance of hydrous RuO2 accompanied by mass changes", url = "https://hdl.handle.net/21.15107/rcub_cer_7331" }
Košević, M., Mihailović, M.,& Panić, V.. (2023). Poster presentation: The pseudo-capacitance of hydrous RuO2 accompanied by mass changes. . https://hdl.handle.net/21.15107/rcub_cer_7331
Košević M, Mihailović M, Panić V. Poster presentation: The pseudo-capacitance of hydrous RuO2 accompanied by mass changes. 2023;. https://hdl.handle.net/21.15107/rcub_cer_7331 .
Košević, Milica, Mihailović, Marija, Panić, Vladimir, "Poster presentation: The pseudo-capacitance of hydrous RuO2 accompanied by mass changes" (2023), https://hdl.handle.net/21.15107/rcub_cer_7331 .