Staff View: Plasticised chitosan: Dextran polymer blend electrolyte for energy harvesting application: Tuning the ion transport and EDLC charge storage capacity through TiO2 dispersion

Plasticised chitosan: Dextran polymer blend electrolyte for energy harvesting application: Tuning the ion transport and EDLC charge storage capacity through TiO2 dispersion

This study investigates the performance of biopolymer electrolytes based on chitosan and dextran for energy storage applications. The optimization of ion transport and performance of electric double-layer capacitors EDCL using these electrolytes, incorporating different concentrations of glycerol as...

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Main Authors:	Aziz, Shujahadeen B., Murad, Ary R., Abdulwahid, Rebar T., Aziz, Dara M., Abdalrahman, Ari A., Abdullah, Ranjdar M., Kadir, M. F. Z., Abdullah, Omed Gh., Halim, Norhana Abdul, Hassan, Jamal
Format:	Article
Published:	Elsevier 2024
Subjects:	Q Science (General) QC Physics
Online Access:	http://eprints.um.edu.my/46879/ https://doi.org/10.1016/j.ijbiomac.2024.133203
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spelling	my.um.eprints.468792025-01-16T02:22:18Z http://eprints.um.edu.my/46879/ Plasticised chitosan: Dextran polymer blend electrolyte for energy harvesting application: Tuning the ion transport and EDLC charge storage capacity through TiO2 dispersion Aziz, Shujahadeen B. Murad, Ary R. Abdulwahid, Rebar T. Aziz, Dara M. Abdalrahman, Ari A. Abdullah, Ranjdar M. Kadir, M. F. Z. Abdullah, Omed Gh. Halim, Norhana Abdul Hassan, Jamal Q Science (General) QC Physics This study investigates the performance of biopolymer electrolytes based on chitosan and dextran for energy storage applications. The optimization of ion transport and performance of electric double-layer capacitors EDCL using these electrolytes, incorporating different concentrations of glycerol as a plasticizer and TiO2 as nanoparticles, is explored. Impedance measurements indicate a notable reduction in charge transfer resistance with the addition of TiO2. DC conductivity estimates from AC spectra plateau regions reach up to 5.6 x 10(-4) S/cm. The electric bulk resistance R-b obtained from the Nyquist plots exhibits a substantial decrease with increasing plasticizer concentration, further enhanced by the addition of the nanoparticles. Specifically, R-b decreases from similar to 20 k Omega to 287 Omega when glycerol concentration increases from 10 % to 40 % and further drops to 30 Omega with the introduction of TiO2. Specific capacitance obtained from cyclic voltammetry shows a notable increase as the scan rate decreases, indicating improved efficiency and stability of ion transport. The TiO2-enriched EDCL achieves 12.3 F/g specific capacitance at 20 mV/s scan rate, with high ion conductivity and extended electrochemical stability. These results suggest the great potential of plasticizer and TiO2 with biopolymers in improving the performance of energy storage systems. Elsevier 2024-07 Article PeerReviewed Aziz, Shujahadeen B. and Murad, Ary R. and Abdulwahid, Rebar T. and Aziz, Dara M. and Abdalrahman, Ari A. and Abdullah, Ranjdar M. and Kadir, M. F. Z. and Abdullah, Omed Gh. and Halim, Norhana Abdul and Hassan, Jamal (2024) Plasticised chitosan: Dextran polymer blend electrolyte for energy harvesting application: Tuning the ion transport and EDLC charge storage capacity through TiO2 dispersion. International Journal of Biological Macromolecules, 273 (2). p. 133203. ISSN 0141-8130, DOI https://doi.org/10.1016/j.ijbiomac.2024.133203 <https://doi.org/10.1016/j.ijbiomac.2024.133203>. https://doi.org/10.1016/j.ijbiomac.2024.133203 10.1016/j.ijbiomac.2024.133203
institution	Universiti Malaya
building	UM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaya
content_source	UM Research Repository
url_provider	http://eprints.um.edu.my/
topic	Q Science (General) QC Physics
spellingShingle	Q Science (General) QC Physics Aziz, Shujahadeen B. Murad, Ary R. Abdulwahid, Rebar T. Aziz, Dara M. Abdalrahman, Ari A. Abdullah, Ranjdar M. Kadir, M. F. Z. Abdullah, Omed Gh. Halim, Norhana Abdul Hassan, Jamal Plasticised chitosan: Dextran polymer blend electrolyte for energy harvesting application: Tuning the ion transport and EDLC charge storage capacity through TiO2 dispersion
description	This study investigates the performance of biopolymer electrolytes based on chitosan and dextran for energy storage applications. The optimization of ion transport and performance of electric double-layer capacitors EDCL using these electrolytes, incorporating different concentrations of glycerol as a plasticizer and TiO2 as nanoparticles, is explored. Impedance measurements indicate a notable reduction in charge transfer resistance with the addition of TiO2. DC conductivity estimates from AC spectra plateau regions reach up to 5.6 x 10(-4) S/cm. The electric bulk resistance R-b obtained from the Nyquist plots exhibits a substantial decrease with increasing plasticizer concentration, further enhanced by the addition of the nanoparticles. Specifically, R-b decreases from similar to 20 k Omega to 287 Omega when glycerol concentration increases from 10 % to 40 % and further drops to 30 Omega with the introduction of TiO2. Specific capacitance obtained from cyclic voltammetry shows a notable increase as the scan rate decreases, indicating improved efficiency and stability of ion transport. The TiO2-enriched EDCL achieves 12.3 F/g specific capacitance at 20 mV/s scan rate, with high ion conductivity and extended electrochemical stability. These results suggest the great potential of plasticizer and TiO2 with biopolymers in improving the performance of energy storage systems.
format	Article
author	Aziz, Shujahadeen B. Murad, Ary R. Abdulwahid, Rebar T. Aziz, Dara M. Abdalrahman, Ari A. Abdullah, Ranjdar M. Kadir, M. F. Z. Abdullah, Omed Gh. Halim, Norhana Abdul Hassan, Jamal
author_facet	Aziz, Shujahadeen B. Murad, Ary R. Abdulwahid, Rebar T. Aziz, Dara M. Abdalrahman, Ari A. Abdullah, Ranjdar M. Kadir, M. F. Z. Abdullah, Omed Gh. Halim, Norhana Abdul Hassan, Jamal
author_sort	Aziz, Shujahadeen B.
title	Plasticised chitosan: Dextran polymer blend electrolyte for energy harvesting application: Tuning the ion transport and EDLC charge storage capacity through TiO2 dispersion
title_short	Plasticised chitosan: Dextran polymer blend electrolyte for energy harvesting application: Tuning the ion transport and EDLC charge storage capacity through TiO2 dispersion
title_full	Plasticised chitosan: Dextran polymer blend electrolyte for energy harvesting application: Tuning the ion transport and EDLC charge storage capacity through TiO2 dispersion
title_fullStr	Plasticised chitosan: Dextran polymer blend electrolyte for energy harvesting application: Tuning the ion transport and EDLC charge storage capacity through TiO2 dispersion
title_full_unstemmed	Plasticised chitosan: Dextran polymer blend electrolyte for energy harvesting application: Tuning the ion transport and EDLC charge storage capacity through TiO2 dispersion
title_sort	plasticised chitosan: dextran polymer blend electrolyte for energy harvesting application: tuning the ion transport and edlc charge storage capacity through tio2 dispersion
publisher	Elsevier
publishDate	2024
url	http://eprints.um.edu.my/46879/ https://doi.org/10.1016/j.ijbiomac.2024.133203
_version_	1825160602594574336
score	13.244413

Plasticised chitosan: Dextran polymer blend electrolyte for energy harvesting application: Tuning the ion transport and EDLC charge storage capacity through TiO2 dispersion

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