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Jasrul Jamani Jamian
School of Electrical Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
Electrical & Electronics Engineering

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Electrochemical performance of supercapacitor with glass wool separator under TEABF4 electrolyte Mohd Ferdaus Mohammad Yaacob; Zulkarnain Ahmad Noorden; Muhammad Nizam Abdul Razak; Zuraimy Adzis; Jasrul Jamani Jamian
Bulletin of Electrical Engineering and Informatics Vol 9, No 5: October 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (695.604 KB) | DOI: 10.11591/eei.v9i5.2189

Abstract

The paper presents the electrochemical performance of supercapacitor with glass wool separator under organic electrolyte of tetraethylammonium tetrafluoroborate (TEABF4). The performance was evaluated using symmetrical two-electrode system and compared to an identical supercapacitor with commercially available cellulose paper separator under 1 M TEABF4. The application of glass wool separator reduces the bulk resistance of supercapacitor by 19.6%, promotes more efficient ions transfer across active surface of electrode and significantly improves specific capacitance by 19.1% compared to cellulose paper. The application of higher concentration TEABF4 (1.5 M) even improves the overall performance of glass wool-based supercapacitor by 32.2% reduction of bulk resistance and 61.9% increment in specific capacitance compared to 1 M TEABF4. In addition, the energy and power densities are significantly improved by 64% and 165%, respectively for the one with 1.5 M TEABF4. In general, the low-cost material glass wool material has great potential to replace commercially available cellulose paper as separator in developing much better supercapacitor.
Co-Authors Mohd Ferdaus Mohammad Yaacob Muhammad Nizam Abdul Razak Zulkarnain Ahmad Noorden Zuraimy Adzis