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The Study of Capacitance Change during Electrolyte Penetration through Carbon-Supported Hydrous Ruthenium Oxide Prepared by the Sol-Gel Procedure

V. V. Panić ; Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Njegoševa 12, 11001 Belgrade, Serbia
A. B. Dekanski ; Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Njegoševa 12, 11001 Belgrade, Serbia
V. B. Mišković-Stanković ; Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11120 Belgrade, Serbia
B. Ž. Nikolić ; Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11120 Belgrade, Serbia

Puni tekst: engleski, pdf (327 KB) str. 23-30 preuzimanja: 249* citiraj
APA 6th Edition
Panić, V.V., Dekanski, A.B., Mišković-Stanković, V.B. i Nikolić, B.Ž. (2009). The Study of Capacitance Change during Electrolyte Penetration through Carbon-Supported Hydrous Ruthenium Oxide Prepared by the Sol-Gel Procedure. Chemical and Biochemical Engineering Quarterly, 23 (1), 23-30. Preuzeto s https://hrcak.srce.hr/34602
MLA 8th Edition
Panić, V. V., et al. "The Study of Capacitance Change during Electrolyte Penetration through Carbon-Supported Hydrous Ruthenium Oxide Prepared by the Sol-Gel Procedure." Chemical and Biochemical Engineering Quarterly, vol. 23, br. 1, 2009, str. 23-30. https://hrcak.srce.hr/34602. Citirano 21.09.2019.
Chicago 17th Edition
Panić, V. V., A. B. Dekanski, V. B. Mišković-Stanković i B. Ž. Nikolić. "The Study of Capacitance Change during Electrolyte Penetration through Carbon-Supported Hydrous Ruthenium Oxide Prepared by the Sol-Gel Procedure." Chemical and Biochemical Engineering Quarterly 23, br. 1 (2009): 23-30. https://hrcak.srce.hr/34602
Harvard
Panić, V.V., et al. (2009). 'The Study of Capacitance Change during Electrolyte Penetration through Carbon-Supported Hydrous Ruthenium Oxide Prepared by the Sol-Gel Procedure', Chemical and Biochemical Engineering Quarterly, 23(1), str. 23-30. Preuzeto s: https://hrcak.srce.hr/34602 (Datum pristupa: 21.09.2019.)
Vancouver
Panić VV, Dekanski AB, Mišković-Stanković VB, Nikolić BŽ. The Study of Capacitance Change during Electrolyte Penetration through Carbon-Supported Hydrous Ruthenium Oxide Prepared by the Sol-Gel Procedure. Chemical and Biochemical Engineering Quarterly [Internet]. 2009 [pristupljeno 21.09.2019.];23(1):23-30. Dostupno na: https://hrcak.srce.hr/34602
IEEE
V.V. Panić, A.B. Dekanski, V.B. Mišković-Stanković i B.Ž. Nikolić, "The Study of Capacitance Change during Electrolyte Penetration through Carbon-Supported Hydrous Ruthenium Oxide Prepared by the Sol-Gel Procedure", Chemical and Biochemical Engineering Quarterly, vol.23, br. 1, str. 23-30, 2009. [Online]. Dostupno na: https://hrcak.srce.hr/34602. [Citirano: 21.09.2019.]

Sažetak
The changes in capacitive behavior of C/HxRuOy composite material prepared by impregnating the Vulcan® XC 72R carbon black with oxide sols of different particle size are investigated as the electrolyte penetrates through the thin layer of the Nafion®-covered composite. The techniques of cyclic voltammetry and electrochemical impedance
spectroscopy are used. Results of the investigation reveal the influence of potential cycling and the exposure time to the electrolyte on registered capacitive characteristics of composite. The cycling in a wide potential range causes the decrease in energy storage ability which depends on oxide particle size. Impedance measurements, however, show that the ability initially decreases and subsequently increases during exposure to the electrolyte as the consequence of the presence of Nafion® top-layer. Due to wettability and resistance issues, Nafion® top-layer can affect the pseudo-capacitive characteristics, and the energy storage ability of the composite consequently decreases.

Ključne riječi
Electrochemical supercapacitors; pseudocapacitance; C/RuO2 composites; charging/discharging processes; sol-gel procedure; electrochemical impedance spectroscopy

Hrčak ID: 34602

URI
https://hrcak.srce.hr/34602

Posjeta: 445 *