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Biopolymeric electrolyte based on glycerolized methyl cellulose with NH4Br as proton source and potential application in EDLC

Kadir, M.F.Z. and Salleh, N.S. and Hamsan, M.H. and Aspanut, Z. and Majid, N.A. and Shukur, M.F. (2018) Biopolymeric electrolyte based on glycerolized methyl cellulose with NH4Br as proton source and potential application in EDLC. Ionics, 24 (6). pp. 1651-1662.

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Abstract

In the present work, biopolymer electrolyte films based on MC doped with NH4Br salt and plasticized with glycerol were prepared by solution casting method. Fourier transform infrared (FTIR) spectroscopy analysis confirms the interaction between MC, NH4Br, and glycerol. X-ray diffraction (XRD) explains that the enhancement of conductivity is affected by the degree of crystallinity. This result is verified by field emission scanning electron microscopy (FESEM). For unplasticized system, sample containing 25 wt of NH4Br possesses the highest ionic conductivity of (1.89 ± 0.05) � 10�4 S cm�1. The addition of 30 wt glycerol increases the conductivity value up to (1.67 ± 0.04) � 10�3 S cm�1. The conduction mechanism was best presented by the correlated barrier hopping (CBH) model. The linear sweep voltammetry (LSV) and cyclic voltammetry (CV) result confirms the suitability of the highest conducting electrolyte to be employed in the fabrication of electrochemical double layer capacitor (EDLC). © 2017, Springer-Verlag GmbH Germany.

Item Type:Article
Impact Factor:cited By 0
Uncontrolled Keywords:Biomolecules; Cellulose; Cyclic voltammetry; Electric conductivity; Field emission microscopes; Fourier transform infrared spectroscopy; Glycerol; Polyelectrolytes; Scanning electron microscopy; X ray diffraction, Biopolymer electrolyte; Conduction Mechanism; Correlated barrier hopping; EDLC; Electrochemical double-layer capacitors; Field emission scanning electron microscopy; Linear sweep voltammetry; Methyl cellulose, Bromine compounds, Cellulose; Electrolytes; Glycerol; Polyelectrolytes; Resistivity; Scanning Electron Microscopy
ID Code:21528
Deposited By: Ahmad Suhairi
Deposited On:01 Aug 2018 03:13
Last Modified:01 Aug 2018 03:13

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