MWCNT/AC Electrode Synthesis on Supercapacitor Performance with NaCl Electrolyte

Author:

Nursanti Anjune Mukti 1,Heydar Ruffa Taufiq 2,Heri Sutanto 1,Markus Diantoro 3,Worowat Meevasana 4,Agus Purwanto 5,Agus Subagio 1

Affiliation:

1. Department of Physics, Faculty of Science and Mathematics, Diponegoro University, Semarang 50275, Indonesia.

2. Department of Physics, Faculty of Science and Mathematics, Diponegoro University, Semarang 50275, Indonesia

3. Department of Physics, Faculty of Mathematics and Natural Sciences, State University of Malang, Malang, 65145, Indonesia.

4. School of Physics Suranaree University of Technology111 University Ave, Muang District Nakhon Ratchsima, 30000, Thailand.

5. Department of Chemical Engineering, Faculty of Engineering, Semarang State University, Surakarta, 57126, Indonesia

Abstract

The increase in the use of electronics requires high enough energy storage so that the use of supercapacitors is very necessary. The solution is obtained by the presence of carbon-based electrode material (MWCNT / AC). Our research used MWCNT and AC because it has high conductivity using the doctor blade method and a three-electrode system. Electrochemical analysis was performed by adding electrolyte NaCl and tested with CV and EIS. Electrolyte concentration of 2 M NaCl which has a high value of 11.1559 F / g with an energy density of 1580.58 Wh / kg and a power density of 1138017 W / kg. The resistor, capacitor and CPE values in the EIS test are generated respectively R=3.1234 Ω, C=0.0004 F, and Z_CPE=0.0005 F⁄s.

Publisher

Technoscience Academy

Reference18 articles.

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4. C. S. Widodo, H. Sela, and D. R. Santosa, “The effect of NaCl concentration on the ionic NaCl solutions electrical impedance value using electrochemical impedance spectroscopy methods,” presented on THE 8TH ANNUAL BASIC SCIENCE INTERNATIONAL CONFERENCE: Coverage of Basic Sciences toward the World’s Sustainability Challanges, East Java, Indonesia, 2018, hlm. 050003. doi: 10.1063/1.5062753.

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