Lattice expansion and crystallite size analysis of 50NiO-50BaC0.54Z0.36Y0.1O3-δ anode composite for proton ceramic fuel cells application / Munirah Shafiqah Murat

This study reports on the structured analyses of 50NiO-50BCZY anode composite materials that is an essential element in proton ceramic fuel cells (PCFCs) aplication. Knowledge about the best materials used for anode composite is needed in order to enhance the performance of the PCFCs. Hence, study o...

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Main Author: Murat, Munirah Shafiqah
Format: Thesis
Language:English
Published: 2022
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Online Access:https://ir.uitm.edu.my/id/eprint/71330/1/71330.pdf
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spelling my-uitm-ir.713302023-01-30T02:42:52Z Lattice expansion and crystallite size analysis of 50NiO-50BaC0.54Z0.36Y0.1O3-δ anode composite for proton ceramic fuel cells application / Munirah Shafiqah Murat 2022 Murat, Munirah Shafiqah Carbon disulfide. Graphene. Carbon Physical and theoretical chemistry This study reports on the structured analyses of 50NiO-50BCZY anode composite materials that is an essential element in proton ceramic fuel cells (PCFCs) aplication. Knowledge about the best materials used for anode composite is needed in order to enhance the performance of the PCFCs. Hence, study on anode lattice expansion is critical to ensure that each component has close thermal expansion coefficients under the desired working conditions. Recent study has discovered some problems occurs such as fracture formation caused by thermal mismatch between anode layers. Besides that, in order to understand the properties of anode composite materials, crystallite size must be determined appropriately. In this work, product of sintered NiO-BCZY anode composite is developed to understand the properties of the anode materials. Two objectives were carried out which is to investigate the lattice expansion 50NiO:50BCZY anode composite by using High Temperature XRD (HT-XRD) at operating temperature from room temperature until 700 °C, and to calculate the crystallite size for 50NiO:50BCZY anode composite by using Scherrer’s and Williamson Hall’s methods. The results obtained revealed that the diffraction peaks of NiO and BCZY were matched with the cubic phase perovskite structure where the lattice parameter for NiO is (a=b=c =4.1695 Å) and BCZY is (a=b=c = 4.3170 Å). Other than that, the unit cell volume for NiO is 72.49 Å3 and BCZY is 80.46 Å3. The observation also shows that the lattice expansion is increasing with the temperature. The result obtained from the analysis, it shows that the crystallite size is also strongly correlated with the lattice expansion where it is proved that the crystallite size is increased when the temperature is increased. 2022 Thesis https://ir.uitm.edu.my/id/eprint/71330/ https://ir.uitm.edu.my/id/eprint/71330/1/71330.pdf text en public degree Universiti Teknologi MARA, Perlis Faculty of Applied Sciences Osman, Nafisah Mazlan, Nurul Waheeda
institution Universiti Teknologi MARA
collection UiTM Institutional Repository
language English
advisor Osman, Nafisah
Mazlan, Nurul Waheeda
topic Carbon disulfide
Graphene
Carbon
Physical and theoretical chemistry
spellingShingle Carbon disulfide
Graphene
Carbon
Physical and theoretical chemistry
Murat, Munirah Shafiqah
Lattice expansion and crystallite size analysis of 50NiO-50BaC0.54Z0.36Y0.1O3-δ anode composite for proton ceramic fuel cells application / Munirah Shafiqah Murat
description This study reports on the structured analyses of 50NiO-50BCZY anode composite materials that is an essential element in proton ceramic fuel cells (PCFCs) aplication. Knowledge about the best materials used for anode composite is needed in order to enhance the performance of the PCFCs. Hence, study on anode lattice expansion is critical to ensure that each component has close thermal expansion coefficients under the desired working conditions. Recent study has discovered some problems occurs such as fracture formation caused by thermal mismatch between anode layers. Besides that, in order to understand the properties of anode composite materials, crystallite size must be determined appropriately. In this work, product of sintered NiO-BCZY anode composite is developed to understand the properties of the anode materials. Two objectives were carried out which is to investigate the lattice expansion 50NiO:50BCZY anode composite by using High Temperature XRD (HT-XRD) at operating temperature from room temperature until 700 °C, and to calculate the crystallite size for 50NiO:50BCZY anode composite by using Scherrer’s and Williamson Hall’s methods. The results obtained revealed that the diffraction peaks of NiO and BCZY were matched with the cubic phase perovskite structure where the lattice parameter for NiO is (a=b=c =4.1695 Å) and BCZY is (a=b=c = 4.3170 Å). Other than that, the unit cell volume for NiO is 72.49 Å3 and BCZY is 80.46 Å3. The observation also shows that the lattice expansion is increasing with the temperature. The result obtained from the analysis, it shows that the crystallite size is also strongly correlated with the lattice expansion where it is proved that the crystallite size is increased when the temperature is increased.
format Thesis
qualification_level Bachelor degree
author Murat, Munirah Shafiqah
author_facet Murat, Munirah Shafiqah
author_sort Murat, Munirah Shafiqah
title Lattice expansion and crystallite size analysis of 50NiO-50BaC0.54Z0.36Y0.1O3-δ anode composite for proton ceramic fuel cells application / Munirah Shafiqah Murat
title_short Lattice expansion and crystallite size analysis of 50NiO-50BaC0.54Z0.36Y0.1O3-δ anode composite for proton ceramic fuel cells application / Munirah Shafiqah Murat
title_full Lattice expansion and crystallite size analysis of 50NiO-50BaC0.54Z0.36Y0.1O3-δ anode composite for proton ceramic fuel cells application / Munirah Shafiqah Murat
title_fullStr Lattice expansion and crystallite size analysis of 50NiO-50BaC0.54Z0.36Y0.1O3-δ anode composite for proton ceramic fuel cells application / Munirah Shafiqah Murat
title_full_unstemmed Lattice expansion and crystallite size analysis of 50NiO-50BaC0.54Z0.36Y0.1O3-δ anode composite for proton ceramic fuel cells application / Munirah Shafiqah Murat
title_sort lattice expansion and crystallite size analysis of 50nio-50bac0.54z0.36y0.1o3-δ anode composite for proton ceramic fuel cells application / munirah shafiqah murat
granting_institution Universiti Teknologi MARA, Perlis
granting_department Faculty of Applied Sciences
publishDate 2022
url https://ir.uitm.edu.my/id/eprint/71330/1/71330.pdf
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