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All Journal Makara Journal of Technology
Samsudin, Ahmad Salihin
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Engineering Materials Science & Nanotechnology Mechanical Engineering

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Ionic Conductiviy of Alginate-NH4Cl Polymer Electrolyte Khan, Nurhasniza Mamajan; Ali, Noor Saadiah Mohd; Fuzlin, Ahmad Faizrin Ahmad; Samsudin, Ahmad Salihin
Makara Journal of Technology Vol. 24, No. 3
Publisher : UI Scholars Hub

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Abstract

This study aims to produce a solid biopolymer electrolyte (SBE) by doping ammonium chloride (NH4Cl) into alginate. Solution casting was used to prepare the alginate–NH4Cl SBE system. Electrical impedance spectroscopy was performed to analyze the electrical properties of the SBE under the applied frequency range of 50 Hz–1 MHz. The incorporation of 8 wt.% NH4Cl enhances the ionic conductivity of the SBE up to 3.18 × 10-7 S/cm at ambient room temperature. Fourier transform infrared spectroscopy shows that complexation occurs between the hydroxyl (-OH), carboxylate (COO-) and ether linkage (C-O-C) functional groups due to the formation of inter- and intra-molecular hydrogen bonds between the biopolymer and the ionic dopant. The dielectric constant and dielectric loss increase with increasing dopant composition, thereby increasing the number of charge carriers and ionic mobility.
Co-Authors Ahmad Fuzlin, Ahmad Faizrin Ali, Noor Saadiah Mohd Fuzlin, Ahmad Faizrin Fuzlin, Ahmad Faizrin Ahmad Ismail, Noor Syahida Khan, Nurhasniza Mamajan Mazuki, Norfatihah Mazuki, Norfatihah binti Mohd Ali, Noor Saadiah Muzakir, Saifful Kamaluddin Nagao, Yuki Rasali, Nur Muhitul Jalilah Sahraoui, Bouchta Zainuddin, Nur Khalidah Zhang, Dishen Zulkifli, Amalia