Pseudocapacitance-based charge increase in MoS2/C

Editorial Board PCSS Journal; I.M. Budzuliak; L.S. Yablon; I.I. Budzuliak; V.O. Kotsiubynskyi; R.V. Ilnytskyi

doi:10.15330/pcss.26.2.413-419

Authors

I.M. Budzuliak Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
L.S. Yablon Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
I.I. Budzuliak Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
V.O. Kotsiubynskyi Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
R.V. Ilnytskyi Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine

DOI:

https://doi.org/10.15330/pcss.26.2.413-419

Keywords:

EDL, PCM, molybdenum disulfide composite, pseudocapacitance, redox process, three-electrode electrochemical cell

Abstract

The electrochemical behavior of MoS₂/C composite in aqueous electrolytes was investigated using a three-electrode electrochemical cell. It was established that the studied system demonstrates the reversibility of redox processes, indicating the pseudocapacitance that makes this system functional. It was found that among the electrolytes used (KCl, RbCl, Li₂SO₄, Na₂SO₄, KOH), the aqueous KOH solution provides the largest contribution to the specific capacitance of the electrochemical device. The manifestations of pseudocapacitance (depending on the accumulated charge and the potential value) were analyzed from a thermodynamic point of view.

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