Characteristics of gadolinium doped cerium at different calcination temperatures for intermediate temperature SOFC

Gadolinium doped cerium (Ce0.9Gd0.1O1.95 or GDC10) was successfully synthesized using the solid-state method. Commercially available CeO2 and Gd2 O3 powders were used as starting materials. They were mixed in a ball mill where alumina balls were added as grinding medium with the ratio to powd...

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Main Authors: Damisih, Hapsari, Ade Utami, Agustanhakri, Deni, Yelvia, Arjasa, Oka Pradipta, Anggaravidya, Mahendra, Raharjo, Jarot, Mahendra Rao Somalu
Format: Article
Language:English
Published: Penerbit Universiti Kebangsaan Malaysia 2020
Online Access:http://journalarticle.ukm.my/16183/
http://journalarticle.ukm.my/16183/1/30.pdf
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author Damisih,
Hapsari, Ade Utami
Agustanhakri,
Deni, Yelvia
Arjasa, Oka Pradipta
Anggaravidya, Mahendra
Raharjo, Jarot
Mahendra Rao Somalu,
author_facet Damisih,
Hapsari, Ade Utami
Agustanhakri,
Deni, Yelvia
Arjasa, Oka Pradipta
Anggaravidya, Mahendra
Raharjo, Jarot
Mahendra Rao Somalu,
author_sort Damisih,
building UKM Institutional Repository
collection Online Access
description Gadolinium doped cerium (Ce0.9Gd0.1O1.95 or GDC10) was successfully synthesized using the solid-state method. Commercially available CeO2 and Gd2 O3 powders were used as starting materials. They were mixed in a ball mill where alumina balls were added as grinding medium with the ratio to powders as of 1:2. The obtained powders were dried and then calcined at temperatures of 600, 700 and 800 °C, respectively. The objective of this research was to investigate the effects of calcination temperature on the properties of GDC10. The powders were characterized using XRF, TGA, XRD, and PSA instruments. XRF analysis shows the presence of Ce, Gd and O elements in stoichiometric composition without any impurities. XRD analysis showed single phase structure of CeO2 where the crystallite size and lattice parameter increases and decreases, respectively, as the calcination temperature increases. The smallest particle size of 647.3 nm was obtained at the calcination temperature of 600 °C. The density of all GDC10 samples sintered at 1350 °C was found to be higher than 95%. In addition, the calcination temperature also influenced the ionic conductivity where the highest obtained value was 0.0153 S.cm-1 at 800 °C for the sample calcinaed at 600 °C. The results suggest that the calcination temperature affected the properties of GDC10 for solid oxide fuel cell application.
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spelling oai:generic.eprints.org:161832021-02-13T14:28:35Z http://journalarticle.ukm.my/16183/ Characteristics of gadolinium doped cerium at different calcination temperatures for intermediate temperature SOFC Damisih, Hapsari, Ade Utami Agustanhakri, Deni, Yelvia Arjasa, Oka Pradipta Anggaravidya, Mahendra Raharjo, Jarot Mahendra Rao Somalu, Gadolinium doped cerium (Ce0.9Gd0.1O1.95 or GDC10) was successfully synthesized using the solid-state method. Commercially available CeO2 and Gd2 O3 powders were used as starting materials. They were mixed in a ball mill where alumina balls were added as grinding medium with the ratio to powders as of 1:2. The obtained powders were dried and then calcined at temperatures of 600, 700 and 800 °C, respectively. The objective of this research was to investigate the effects of calcination temperature on the properties of GDC10. The powders were characterized using XRF, TGA, XRD, and PSA instruments. XRF analysis shows the presence of Ce, Gd and O elements in stoichiometric composition without any impurities. XRD analysis showed single phase structure of CeO2 where the crystallite size and lattice parameter increases and decreases, respectively, as the calcination temperature increases. The smallest particle size of 647.3 nm was obtained at the calcination temperature of 600 °C. The density of all GDC10 samples sintered at 1350 °C was found to be higher than 95%. In addition, the calcination temperature also influenced the ionic conductivity where the highest obtained value was 0.0153 S.cm-1 at 800 °C for the sample calcinaed at 600 °C. The results suggest that the calcination temperature affected the properties of GDC10 for solid oxide fuel cell application. Penerbit Universiti Kebangsaan Malaysia 2020-12 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/16183/1/30.pdf Damisih, and Hapsari, Ade Utami and Agustanhakri, and Deni, Yelvia and Arjasa, Oka Pradipta and Anggaravidya, Mahendra and Raharjo, Jarot and Mahendra Rao Somalu, (2020) Characteristics of gadolinium doped cerium at different calcination temperatures for intermediate temperature SOFC. Sains Malaysiana, 49 (12). pp. 3189-3196. ISSN 0126-6039 https://www.ukm.my/jsm/malay_journals/jilid49bil12_2020/KandunganJilid49Bil12_2020.html
spellingShingle Damisih,
Hapsari, Ade Utami
Agustanhakri,
Deni, Yelvia
Arjasa, Oka Pradipta
Anggaravidya, Mahendra
Raharjo, Jarot
Mahendra Rao Somalu,
Characteristics of gadolinium doped cerium at different calcination temperatures for intermediate temperature SOFC
title Characteristics of gadolinium doped cerium at different calcination temperatures for intermediate temperature SOFC
title_full Characteristics of gadolinium doped cerium at different calcination temperatures for intermediate temperature SOFC
title_fullStr Characteristics of gadolinium doped cerium at different calcination temperatures for intermediate temperature SOFC
title_full_unstemmed Characteristics of gadolinium doped cerium at different calcination temperatures for intermediate temperature SOFC
title_short Characteristics of gadolinium doped cerium at different calcination temperatures for intermediate temperature SOFC
title_sort characteristics of gadolinium doped cerium at different calcination temperatures for intermediate temperature sofc
url http://journalarticle.ukm.my/16183/
http://journalarticle.ukm.my/16183/
http://journalarticle.ukm.my/16183/1/30.pdf