Mechanochemical synthesised solid electrolyte based on Li2O : electrical and structural properties / Ahmad Fuzairi Ahmad Faizal

This study involved the fabrication of lithium ion solid electrolyte in the Li2O-TiO2-P2O5 (LTP) system. All samples were prepared using mechanical milling (MM)method. The precursor TiO2-P2O5 (TP) system were first fabricated and characterized by Electrochemical Impedance Spectroscopy (EIS), X-Ray D...

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Main Author: Ahmad Faizal, Ahmad Fuzairi
Format: Thesis
Language:English
Published: 2014
Subjects:
Online Access:http://ir.uitm.edu.my/id/eprint/13820/
http://ir.uitm.edu.my/id/eprint/13820/1/TM_AHMAD%20FUZAIRI%20AHMAD%20FAIZAL%20AS%2014_5%201.pdf
id uitm-13820
recordtype eprints
spelling uitm-138202016-05-14T07:27:00Z http://ir.uitm.edu.my/id/eprint/13820/ Mechanochemical synthesised solid electrolyte based on Li2O : electrical and structural properties / Ahmad Fuzairi Ahmad Faizal Ahmad Faizal, Ahmad Fuzairi Electricity and magnetism Electrolytes, electrolyte solutions This study involved the fabrication of lithium ion solid electrolyte in the Li2O-TiO2-P2O5 (LTP) system. All samples were prepared using mechanical milling (MM)method. The precursor TiO2-P2O5 (TP) system were first fabricated and characterized by Electrochemical Impedance Spectroscopy (EIS), X-Ray Diffractometer (XRD), Field Emission Scanning Electrone Microscope (FESEM) and laser particle sizer. The highest room temperature conductivity was obtained for 60 wt.% of TiO2-40 wt.% of P2O5 (TP 40) and TP 40 sintered at 900 °C (TP 900) with values of 3.18 x 10-7 Scm-1 and 8.13 X 10-7 Scm-1 respectively. XRD studies showed presence of TiP2O7 peaks in the diffraction pattern of TP 40 as well as TP 900. FESEM micrographs showed agglomeration of the samples as the sintering temperature changed indicating availability of big and small grains. Small grains increased as sintering temperature increased. The size of the particle of the TP samples were estimated to range from 0.70 µm to 3.01 µm for sintered and unsintered samples. In the LTP system, the highest conductivity obtained for the unsintered sample, LTP 15 and sintered LTP 15 (LTP 900) is 6.89 x 10-6 Scm-1 and 3.03 x 10-5 Scm-1 respectively. The diffraction pattern indicate the presence of LiTi2(P04)3 peaks which is the conducting phase.Small grains were observed in all sintered samples with increase in as sintering temperature increases. The sizes of particle of LTP samples were decreased to as low as 200 nm. Temperature dependance studied showed that the conductivity obeys Arrhenius rule indicating that the conductivity is thermally activated. 2014 Thesis NonPeerReviewed text en http://ir.uitm.edu.my/id/eprint/13820/1/TM_AHMAD%20FUZAIRI%20AHMAD%20FAIZAL%20AS%2014_5%201.pdf Ahmad Faizal, Ahmad Fuzairi (2014) Mechanochemical synthesised solid electrolyte based on Li2O : electrical and structural properties / Ahmad Fuzairi Ahmad Faizal. Masters thesis, Universiti Teknologi MARA.
repository_type Digital Repository
institution_category Local University
institution Universiti Teknologi MARA
building UiTM Institutional Repository
collection Online Access
language English
topic Electricity and magnetism
Electrolytes, electrolyte solutions
spellingShingle Electricity and magnetism
Electrolytes, electrolyte solutions
Ahmad Faizal, Ahmad Fuzairi
Mechanochemical synthesised solid electrolyte based on Li2O : electrical and structural properties / Ahmad Fuzairi Ahmad Faizal
description This study involved the fabrication of lithium ion solid electrolyte in the Li2O-TiO2-P2O5 (LTP) system. All samples were prepared using mechanical milling (MM)method. The precursor TiO2-P2O5 (TP) system were first fabricated and characterized by Electrochemical Impedance Spectroscopy (EIS), X-Ray Diffractometer (XRD), Field Emission Scanning Electrone Microscope (FESEM) and laser particle sizer. The highest room temperature conductivity was obtained for 60 wt.% of TiO2-40 wt.% of P2O5 (TP 40) and TP 40 sintered at 900 °C (TP 900) with values of 3.18 x 10-7 Scm-1 and 8.13 X 10-7 Scm-1 respectively. XRD studies showed presence of TiP2O7 peaks in the diffraction pattern of TP 40 as well as TP 900. FESEM micrographs showed agglomeration of the samples as the sintering temperature changed indicating availability of big and small grains. Small grains increased as sintering temperature increased. The size of the particle of the TP samples were estimated to range from 0.70 µm to 3.01 µm for sintered and unsintered samples. In the LTP system, the highest conductivity obtained for the unsintered sample, LTP 15 and sintered LTP 15 (LTP 900) is 6.89 x 10-6 Scm-1 and 3.03 x 10-5 Scm-1 respectively. The diffraction pattern indicate the presence of LiTi2(P04)3 peaks which is the conducting phase.Small grains were observed in all sintered samples with increase in as sintering temperature increases. The sizes of particle of LTP samples were decreased to as low as 200 nm. Temperature dependance studied showed that the conductivity obeys Arrhenius rule indicating that the conductivity is thermally activated.
format Thesis
author Ahmad Faizal, Ahmad Fuzairi
author_facet Ahmad Faizal, Ahmad Fuzairi
author_sort Ahmad Faizal, Ahmad Fuzairi
title Mechanochemical synthesised solid electrolyte based on Li2O : electrical and structural properties / Ahmad Fuzairi Ahmad Faizal
title_short Mechanochemical synthesised solid electrolyte based on Li2O : electrical and structural properties / Ahmad Fuzairi Ahmad Faizal
title_full Mechanochemical synthesised solid electrolyte based on Li2O : electrical and structural properties / Ahmad Fuzairi Ahmad Faizal
title_fullStr Mechanochemical synthesised solid electrolyte based on Li2O : electrical and structural properties / Ahmad Fuzairi Ahmad Faizal
title_full_unstemmed Mechanochemical synthesised solid electrolyte based on Li2O : electrical and structural properties / Ahmad Fuzairi Ahmad Faizal
title_sort mechanochemical synthesised solid electrolyte based on li2o : electrical and structural properties / ahmad fuzairi ahmad faizal
publishDate 2014
url http://ir.uitm.edu.my/id/eprint/13820/
http://ir.uitm.edu.my/id/eprint/13820/1/TM_AHMAD%20FUZAIRI%20AHMAD%20FAIZAL%20AS%2014_5%201.pdf
first_indexed 2023-09-18T22:50:21Z
last_indexed 2023-09-18T22:50:21Z
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