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Preparation and characterizations of sodium iodide-sodium dicyanamide solid electrolyte / Mohd Khairul Hazwan Mohd Yusof

This study sets out to investigate the possibility of using sodium based salt and inorganic ligand compound as solid electrolyte. Binary solid electrolyte system of NaI-NaN(CN)2 was successfully prepared by Ball Milling method with two hours of optimized milling time. The prepared samples were chara...

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Main Author: Mohd Yusof, Mohd Khairul Hazwan
Format: Thesis
Language:English
Published: 2018
Online Access:https://ir.uitm.edu.my/id/eprint/89612/1/89612.pdf
https://ir.uitm.edu.my/id/eprint/89612/
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spelling my.uitm.ir.896122024-08-19T06:44:31Z https://ir.uitm.edu.my/id/eprint/89612/ Preparation and characterizations of sodium iodide-sodium dicyanamide solid electrolyte / Mohd Khairul Hazwan Mohd Yusof Mohd Yusof, Mohd Khairul Hazwan This study sets out to investigate the possibility of using sodium based salt and inorganic ligand compound as solid electrolyte. Binary solid electrolyte system of NaI-NaN(CN)2 was successfully prepared by Ball Milling method with two hours of optimized milling time. The prepared samples were characterized by Electrochemical Impedance Spectroscopy (EIS), Transference Number Measurement (TNM), Fourier Transform Infrared Spectroscopy (FTIR), X-Ray Diffraction (XRD) and Field Emission Scanning Electron Microscopy (FE-SEM). Highest conducting sample was obtained for 10NaI- 90NaN(CN)2 system where the room temperature conductivity was (5.67 ± 1.26) x 10-4 S cm-1 and it was confirmed an ionic conductor as the ionic transference number was 0.96. Temperature dependent conductivity analysis had revealed that the highest conducting sample obeys Arrhenius rule as the ionic charge carrier species conduction was through some hopping mechanism with lowest activation energy of 0.133 eV. Apart from that, conduction mechanism was found to follow Quantum Mechanical Tunneling (QMT) model. FTIR analysis had suggested some interaction had occurred between NaI charge carrier as the salt component in the binary system with the sodium dicyanamide host material as the duplet C≡ N spectra emerged into single broader peak at around 2100 cm-1 wavenumber region. Binary sample had showed to be less crystalline in nature due to decrease in overall intensity and disappearing of several sharp peaks from XRD diffractogram obtained. Finally, FE-SEM micrograph revealed significant difference between unmilled and milled pelletised sample as milled material particles was broken down into smaller size apart from homogenous of powder mixture was achieved. 2018 Thesis NonPeerReviewed text en https://ir.uitm.edu.my/id/eprint/89612/1/89612.pdf Preparation and characterizations of sodium iodide-sodium dicyanamide solid electrolyte / Mohd Khairul Hazwan Mohd Yusof. (2018) Masters thesis, thesis, Universiti Teknologi MARA (UiTM). <http://terminalib.uitm.edu.my/89612.pdf>
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
description This study sets out to investigate the possibility of using sodium based salt and inorganic ligand compound as solid electrolyte. Binary solid electrolyte system of NaI-NaN(CN)2 was successfully prepared by Ball Milling method with two hours of optimized milling time. The prepared samples were characterized by Electrochemical Impedance Spectroscopy (EIS), Transference Number Measurement (TNM), Fourier Transform Infrared Spectroscopy (FTIR), X-Ray Diffraction (XRD) and Field Emission Scanning Electron Microscopy (FE-SEM). Highest conducting sample was obtained for 10NaI- 90NaN(CN)2 system where the room temperature conductivity was (5.67 ± 1.26) x 10-4 S cm-1 and it was confirmed an ionic conductor as the ionic transference number was 0.96. Temperature dependent conductivity analysis had revealed that the highest conducting sample obeys Arrhenius rule as the ionic charge carrier species conduction was through some hopping mechanism with lowest activation energy of 0.133 eV. Apart from that, conduction mechanism was found to follow Quantum Mechanical Tunneling (QMT) model. FTIR analysis had suggested some interaction had occurred between NaI charge carrier as the salt component in the binary system with the sodium dicyanamide host material as the duplet C≡ N spectra emerged into single broader peak at around 2100 cm-1 wavenumber region. Binary sample had showed to be less crystalline in nature due to decrease in overall intensity and disappearing of several sharp peaks from XRD diffractogram obtained. Finally, FE-SEM micrograph revealed significant difference between unmilled and milled pelletised sample as milled material particles was broken down into smaller size apart from homogenous of powder mixture was achieved.
format Thesis
author Mohd Yusof, Mohd Khairul Hazwan
spellingShingle Mohd Yusof, Mohd Khairul Hazwan
Preparation and characterizations of sodium iodide-sodium dicyanamide solid electrolyte / Mohd Khairul Hazwan Mohd Yusof
author_facet Mohd Yusof, Mohd Khairul Hazwan
author_sort Mohd Yusof, Mohd Khairul Hazwan
title Preparation and characterizations of sodium iodide-sodium dicyanamide solid electrolyte / Mohd Khairul Hazwan Mohd Yusof
title_short Preparation and characterizations of sodium iodide-sodium dicyanamide solid electrolyte / Mohd Khairul Hazwan Mohd Yusof
title_full Preparation and characterizations of sodium iodide-sodium dicyanamide solid electrolyte / Mohd Khairul Hazwan Mohd Yusof
title_fullStr Preparation and characterizations of sodium iodide-sodium dicyanamide solid electrolyte / Mohd Khairul Hazwan Mohd Yusof
title_full_unstemmed Preparation and characterizations of sodium iodide-sodium dicyanamide solid electrolyte / Mohd Khairul Hazwan Mohd Yusof
title_sort preparation and characterizations of sodium iodide-sodium dicyanamide solid electrolyte / mohd khairul hazwan mohd yusof
publishDate 2018
url https://ir.uitm.edu.my/id/eprint/89612/1/89612.pdf
https://ir.uitm.edu.my/id/eprint/89612/
_version_ 1808975939196944384
score 13.223943

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