Studies on the effect of H+ carrier toward ionic conduction properties in alginate-ammonium sulfate complexes–based polymer electrolytes system

Nurhasniza, Mamajan Khan and Noor M, Norman and Ahmad, S Samsudin (2022) Studies on the effect of H+ carrier toward ionic conduction properties in alginate-ammonium sulfate complexes–based polymer electrolytes system. High Performance Polymers, 34 (6). pp. 637-644. ISSN 0954-0083. (Published)

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DOI/Official URL: https://doi.org/10.1177/09540083221075320

Abstract

The present work highlights the contribution of ammonium sulfate (NH4)2SO4 as H+ carriers in alginate-based solid polymer electrolytes (SPEs) that were successfully prepared via a solution casting technique. The Fourier transform infrared analysis revealed that molecular interactions between the host polymer and the ionic dopant complexes occurred at the wavenumbers 3700–2500 cm-1, 1800–1500 cm-1, and 1200–900 cm-1. These regions corresponded to the O-H stretching, COO− and C-O-C, moieties of alginate, respectively, which coordinated with the H+ carrier from (NH4)2SO4. At ambient temperature, the optimum ionic conductivity was obtained at 3.01 × 10−5 S cm-1 for the sample containing 10 wt.% of (NH4)2SO4. The IR-deconvolution approach shows that the ionic conduction enhancement is governed by the ionic mobility and the diffusion coefficient of H+ carriers, and the findings show that the present biopolymer, which is an alginate-based SPEs system, has an excellent possibility to be used as electrolytes for application in electrochemical devices

Item Type:	Article
Additional Information:	Indexed by Scopus
Uncontrolled Keywords:	Polymer electrolytes; Polysaccharide polymer; Ionic conductivity; Molecular interaction
Subjects:	T Technology > T Technology (General) T Technology > TP Chemical technology
Faculty/Division:	Faculty of Industrial Sciences And Technology Institute of Postgraduate Studies
Depositing User:	Dr. Ahmad Salihin Samsudin
Date Deposited:	06 Jul 2023 04:15
Last Modified:	14 Dec 2023 04:27
URI:	http://umpir.ump.edu.my/id/eprint/37742
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