Aziz, Shujahadeen B. and Asnawi, Ahmad S. F. M. and Kadir, Mohd Fakhrul Zamani and Alshehri, Saad M. and Ahamad, Tansir and Yusof, Yuhanees M. and Hadi, Jihad M. (2021) Structural, electrical and electrochemical properties of glycerolized biopolymers based on chitosan (CS): Methylcellulose (MC) for energy storage application. Polymers, 13 (8). ISSN 2073-4360, DOI https://doi.org/10.3390/polym13081183.
Full text not available from this repository.Abstract
In this work, a pair of biopolymer materials has been used to prepare high ion-conducting electrolytes for energy storage application (ESA). The chitosan:methylcellulose (CS:MC) blend was selected as a host for the ammonium thiocyanate NH4SCN dopant salt. Three different concentrations of glycerol was successfully incorporated as a plasticizer into the CS-MC-NH4SCN electrolyte system. The structural, electrical, and ion transport properties were investigated. The highest conductivity of 2.29 x 10(-4) S cm(-1) is recorded for the electrolyte incorporated 42 wt.% of plasticizer. The complexation and interaction of polymer electrolyte components are studied using the FTIR spectra. The deconvolution (DVN) of FTIR peaks as a sensitive method was used to calculate ion transport parameters. The percentage of free ions is found to influence the transport parameters of number density (n), ionic mobility (mu), and diffusion coefficient (D). All electrolytes in this work obey the non-Debye behavior. The highest conductivity electrolyte exhibits the dominancy of ions, where the ionic transference number, t(ion) value of (0.976) is near to infinity with a voltage of breakdown of 2.11 V. The fabricated electrochemical double-layer capacitor (EDLC) achieves the highest specific capacitance, C-s of 98.08 F/g at 10 mV/s by using the cyclic voltammetry (CV) technique.
| Item Type: | Article |
|---|---|
| Funders: | University of Sulaimani, King Saud University, Komar University of Science and Technology, King Saud University [Grant No: RSP-2020/29] |
| Uncontrolled Keywords: | Chitosan; Methylcellulose; Ammonium thiocyanate; Glycerol; Ionic transport parameters; TNM and LSV; CV and EDLC |
| Subjects: | Q Science > Q Science (General) |
| Divisions: | Centre for Foundation Studies in Science > Physics Division |
| Depositing User: | Ms Zaharah Ramly |
| Date Deposited: | 21 Apr 2022 06:47 |
| Last Modified: | 21 Apr 2022 06:47 |
| URI: | http://eprints.um.edu.my/id/eprint/28822 |
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