Analysis of KCl and H2SO4 Electrolyte Concentration Variations on Specific Capacitance of Electrodes (CNT/PVA) Through Cyclic Voltammetry (CV)
Keywords:
carbon nanotube, electrode, electrolyte, supercapacitor, specific capacitanceAbstract
Escalating need for power usage is the author’s concern in producing this research. Supercapacitors are one of the energy storage devices that have better performance than conventional capacitors. Supercapacitor components generally consist of electrodes, electrolytes, and separators. Electrolytes have an important role that can affect the specific capacitance of supercapacitors. This research resulted in analyzing the type and variation of electrolyte concentrations in the form of KCl and H2SO4 at concentrations of 0.4; 0.7 and 1 M, respectively. Cyclic voltammetry (CV) was conducted using carbon nanotube electrodes which were molded into sheets using Polyvinyl Alcohol (PVA) binder. CV analysis aims to determine the supercapacitor performance as measured by the specific capacitance value. Based on the observation of the results obtained, the best specific capacitance in each type of electrolyte KCl and H2SO4 at a concentration of 1 molar is 55.561 and 54.981 F/g, respectively.
References
[1] P. Krishnan and V. Biju, “Effect of Electrolyte Concentration on the Electrochemical Performance of RGO–KOH Supercapacitor,”Materailstoday: Proceedings., vol. 54, no. 3, pp. 958-962, 2022.
[2] Q. Zhang and G. Li, “Experimental Study on a Semi-Active Battery-Supercapacitor Hybrid Energy Storage System for Electric Vehicle Application,” IEEE Transactions on Power Electronics., vol. 35, no. 1, pp. 1014-1021, 2020.
[3] Z. Song, H. Hofmann, J. Li, J. Hou, X. Han and M. Ouyang, “Energy Management Strategies Comparison for Electric Vehicles with Hybrid Energy Storage System,” Applied Energy., vol. 134, pp. 321-331, 2014.
[4] J. C. Hernandez, M. G. Gonzalez, F. S. Sutil and F. Jurado, “Optimization of Battery/Supercapacitor-Based Photovoltaic Household-Prosumers Providing SelfConsumption and Frequency Containment Reserve as Influenced by Temporal Data Granularity,” Journal of Energy Storge., vol. 36, 2021.
[5] K. Karunanithi, S. Ramesh, S. P. Raja, R. Sreedehar, S. Kannan and V. Ramudu, “Investigations of Standalone PV System with Battery-Supercapacitor Hybrid Energy Storage System for Household Applications,” International Journal of Information Technology., vol. 15, pp. 279-287, 2022.
[6] C. C. Ezichi, “Supercapacitors and the Future of Electric Vehicles,” United International Journal for Research & Technology., vol. 3, no. 2, pp. 1-5, 2021 [7] A. Mesjasz-Lech, “Reverse logistics of municipal solid waste – towards zero waste cities,” Transp. Res. Procedia, vol. 39, pp. 320–332, 2019.
[7] S. Banerjee, B. De, P. Sinha, J. Cherusseri and K. K. Kar, “Handbook of Nanocomposite Supercapacitor Materials: Chapter Applications of Supercapacitors,” Springer Nature Link., pp. 341-350, 2020. [9] Kementerian Pekerjaan Umum, Materi Bidang Sampah I, Diseminasi dan Sosialisasi Keteknikan Bidang PLP. Jakarta, Indonesia: Ditjen Cipta Karya, 2013.
[8] J. Zhang, M. Gu and X. Chen, “Supercapacitors for Renewable Energy Applications: A review,” Micro and Nano Engineering., vol. 21, 2023.
[9] J. Yan, S. Li, B. Lan, Y. Wu, P. S. Lee, “Rational Design of Nanostructured Electrode Materials Toward Multifunctional Supercapacitors,” Adv. Funct. Mater., vol. 30, no. 2, 2019.
[10] H. M. Arbi, L. Vijayalakshmi, Y. Anil Kumar, S. Alzahmi, C. V. V. M. Gopi, A. Rusydi, and I. M. Obaidat, “Facile Two-Step Hydrothermal Synthesis of Co(OH)2@NiCo2O4 Nanosheet Nanocomposites for Supercapacitor Electrodes,” Nanomaterials., vol. 13, no. 13, pp. 1-14, 2023.
[11] S. Kumar, F. Ahmed, N. M. Shaalan, N. Arshi, S. Dalela and K. H. Chae, “Investigations of Structural, Magnetic, and Electrochemical Properties of NiFe2O4 Nanoparticles as Electrode Materials for Supercapacitor Applications,” Materials., vol. 16, no. 2, pp. 1-18, 2023.
[12] R. A. Senthil, A. Min, J. Theerthagiri, G. A. Kim, H. C. Choi and M. Y. Choi, “Insights on Ni-based Layered Double Hydroxides for Electrochemical Supercapacitors: Underlying Aspects in rational design and Structural Evolution,” J. Energy Storage., vol. 72, part. A, 2023.
[13] M. Kandasamy, S. Sahoo, S. K. Nayak, B. Chakraborty and C. S. Rout, “Recent Advances in Engineered Metal Oxide Nanostructures for Supercapacitor Applications: Experimental and Theoretical Aspects,” J. Mater. Chem. A., vol. 9, no. 33, pp. 17643-17700, 2021.
[14] S. W. Bokhari, A. H. Siddique, P. C. Sherrell, X. Yue, K. M. Karumbaiah, S. Wei, A. V. Ellis and W. Gao, “Advances in Graphene-Based Supercapacitor Electrodes,” Energy Rep., vol. 6, pp. 2768-2784, 2020.
[15] Awitdrus, S. A. Decha, Agustino, T. Erman, F. Rakhmawati and F. S. Romi, “Effect of Aqueous Electrolyte to the Supercapacitor Electrode Performance Made from Sugar Palm Fronds Waste,” Journal of Physics: Conference Series., pp. 1-8, 2021.
[16] R. Farma, M. Deraman, I. A. Talib, Awitdrus, R. Omar, M. M. Ishak, E. Taer, N. H. Basri and B. N. M. Dolah, “Effect of Electrolyte Concentration on Performance of Supercapacitor Carbon Electrode from Fibers of Oil Palm Empty Fruit Bunches,” AIP Conference Proceedings., 2015.
[17] J. Arce-Castro, J. E. Vilaso-Cadre, D. Benitez-Fernandez, H. Rodríguez-de la Rosa and M. A. Arada-Pérez, “Effect of Supporting Electrolytes on Voltammetry with Manual Staircase Voltage Scan,” The Journal of Engineering and Exact Sciences., vol. 8, no. 3, pp. 1-11, 2022.
[18] O. Ibukun and H. K. Jeong, “Effects of Aqueous Electrolytes in Supercapacitors,” New Physics: Sae Mulli., vol. 69, pp. 154-158, 2019.
[19] A. Subagio, H. R. Taufiq, H. Sutanto, M. Diantoro and I. Luthfiyah, “Synthesis of MWCNTs / Activated Carbon-Based Supercapacitor Electrode Composite and Analysis Using a Three-Electrode System with Various Electrolyte Concentrations,” Chemistry and Material Science., vol. 1, 2023.
Downloads
Published
Issue
Section
License
Copyright (c) 2025 Mutia Reza, Lusi Ernawati, Asful Hariyadi, Ranti Kusuma Wardhani, Thalia Winda Sari, Novi Sylvia (Author)
This work is licensed under a Creative Commons Attribution 4.0 International License.
