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Volume 10
Issue 12
10.3390/membranes10120389
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Article

Solid-State EDLC Device Based on Magnesium Ion-Conducting Biopolymer Composite Membrane Electrolytes: Impedance, Circuit Modeling, Dielectric Properties and Electrochemical Characteristics

by
Ahmad S. F. M. Asnawi
1,
Shujahadeen B. Aziz
2,3,*,
Salah R. Saeed
4,
Yuhanees M. Yusof
1,
Rebar T. Abdulwahid
2,5,
Shakhawan Al-Zangana
6,
Wrya O. Karim
7 and
Mohd. F. Z. Kadir
8
1
Chemical Engineering Section, Universiti Kuala Lumpur Malaysian Institute of Chemical & Bioengineering Technology (UniKL MICET), Alor Gajah 78000, Malacca, Malaysia
2
Hameed majid Advanced Polymeric Materials Research Lab., Department of Physics, College of Science, University of Sulaimani, Qlyasan Street, Sulaimani 46001, Iraq
3
Department of Civil Engineering, College of Engineering, Komar University of Science and Technology, Sulaimani 46001, Iraq
4
Charmo Research Center, Charmo University, Peshawa Street, Chamchamal, Sulaimani 46001, Iraq
5
Department of Physics, College of Education, Old Campus, University of Sulaimani, Kurdistan Regional Government, Sulaimani 46001, Iraq
6
Department of Physics, College of Education, University of Garmian, Kalar 46021, Iraq
7
Department of Chemistry, College of Science, University of Sulaimani, Qlyasan Street, Sulaimani 46001, Iraq
8
Centre for Foundation Studies in Science, University of Malaya, Kuala Lumpur 50603, Malaysia
*
Author to whom correspondence should be addressed.
Membranes 2020, 10(12), 389; https://doi.org/10.3390/membranes10120389
Submission received: 21 October 2020 / Revised: 22 November 2020 / Accepted: 29 November 2020 / Published: 2 December 2020
(This article belongs to the Special Issue Organic–Inorganic Hybrid Membranes for Separation and Purification Applications)
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Abstract

The polymer electrolyte based on Dx:Cs:Mg(CH3COO)2:Ni with three different glycerol concentrations have been prepared. The impedance study has verified that the electrolyte with 42 wt.% of glycerol (A3) has the highest ionic conductivity of 7.71 × 10−6 S cm−1 at room temperature. The ionic conductivity is found to be influenced by the transport parameters. From the dielectric analysis, it was shown that the electrolytes in this system obeyed the non-Debye behavior. The A3 electrolyte exhibited a dominancy of ions (tion > te) with a breakdown voltage of 2.08 V. The fabricated electrochemical double layer capacitor (EDLC) achieved the specific capacitance values of 24.46 F/g and 39.68 F/g via the cyclic voltammetry (CV) curve and the charge–discharge profile, respectively. The other significant parameters to evaluate the performance of EDLC have been determined, such as internal resistance (186.80 to 202.27 Ω) energy density (4.46 Wh/kg), power density (500.58 to 558.57 W/kg) and efficiency (92.88%).
Keywords: ion conducting membrane; polymer blend; magnesium acetate; metal complex; transport study; transference number measurement (TNM) and linear sweep voltammetry (LSV) analyses; energy storage device ion conducting membrane; polymer blend; magnesium acetate; metal complex; transport study; transference number measurement (TNM) and linear sweep voltammetry (LSV) analyses; energy storage device

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MDPI and ACS Style

Asnawi, A.S.F.M.; Aziz, S.B.; Saeed, S.R.; Yusof, Y.M.; Abdulwahid, R.T.; Al-Zangana, S.; Karim, W.O.; Kadir, M.F.Z. Solid-State EDLC Device Based on Magnesium Ion-Conducting Biopolymer Composite Membrane Electrolytes: Impedance, Circuit Modeling, Dielectric Properties and Electrochemical Characteristics. Membranes 2020, 10, 389. https://doi.org/10.3390/membranes10120389

AMA Style

Asnawi ASFM, Aziz SB, Saeed SR, Yusof YM, Abdulwahid RT, Al-Zangana S, Karim WO, Kadir MFZ. Solid-State EDLC Device Based on Magnesium Ion-Conducting Biopolymer Composite Membrane Electrolytes: Impedance, Circuit Modeling, Dielectric Properties and Electrochemical Characteristics. Membranes. 2020; 10(12):389. https://doi.org/10.3390/membranes10120389

Chicago/Turabian Style

Asnawi, Ahmad S. F. M., Shujahadeen B. Aziz, Salah R. Saeed, Yuhanees M. Yusof, Rebar T. Abdulwahid, Shakhawan Al-Zangana, Wrya O. Karim, and Mohd. F. Z. Kadir. 2020. "Solid-State EDLC Device Based on Magnesium Ion-Conducting Biopolymer Composite Membrane Electrolytes: Impedance, Circuit Modeling, Dielectric Properties and Electrochemical Characteristics" Membranes 10, no. 12: 389. https://doi.org/10.3390/membranes10120389

APA Style

Asnawi, A. S. F. M., Aziz, S. B., Saeed, S. R., Yusof, Y. M., Abdulwahid, R. T., Al-Zangana, S., Karim, W. O., & Kadir, M. F. Z. (2020). Solid-State EDLC Device Based on Magnesium Ion-Conducting Biopolymer Composite Membrane Electrolytes: Impedance, Circuit Modeling, Dielectric Properties and Electrochemical Characteristics. Membranes, 10(12), 389. https://doi.org/10.3390/membranes10120389

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