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dc.contributor.authorOkkay, Hikmet
dc.contributor.authorOksuzomer, Mehmet Ali Faruk
dc.contributor.authorBayramoglu, Mahmut
dc.date.accessioned2021-03-05T14:13:22Z
dc.date.available2021-03-05T14:13:22Z
dc.date.issued2013
dc.identifier.citationOkkay H., Bayramoglu M., Oksuzomer M. A. F. , "Ultrasound assisted synthesis of Gd and Nd doped ceria electrolyte for solid oxide fuel cells", CERAMICS INTERNATIONAL, cilt.39, ss.5219-5225, 2013
dc.identifier.issn0272-8842
dc.identifier.otherav_b612e24a-8a25-4e6b-b459-94033de581f4
dc.identifier.othervv_1032021
dc.identifier.urihttp://hdl.handle.net/20.500.12627/121187
dc.identifier.urihttps://doi.org/10.1016/j.ceramint.2012.12.021
dc.description.abstractIn this study, the ceramic powders of Ce1-xGdxO2-x/2 and Ce1-xNdxO2-x/2 (x=0.05, 0.10, 0.15, 0.20 and 0.25) were synthesized by ultrasound assisted co-precipitation method. The ionic conductivity was studied as a function of dopant concentration over the temperature range of 300-800 degrees C in air, using the impedance spectroscopy. The maximum ionic conductivity, sigma(800 degrees C)=4.01 x 10(-2) Scm(-1) with the activation energy, E-a=0.828 kJmol(-1) and sigma(800 degrees C)=3.80 x 10(-2) Scm(-1) with the activation energy, E-a=0.838 kJmol(-1) were obtained for Ce0.90Gd0.10O1.95 and Ce0.85Nd0.15O1.925 electrolytes, respectively. The average grain size was found to be in the range of 0.3-0.6 mu m for gadolinium doped ceria and 0.2-0.4 mu m for neodymium doped ceria. The uniformly fine crystallite sizes (average 12-13 nm) of the ultrasound assisted prepared powders enabled sintering of the samples into highly dense (over 95%) ceramic pellets at 1200 degrees C (5 degrees C min(-1)) for 6h. (C) 2012 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
dc.language.isoeng
dc.subjectMühendislik, Bilişim ve Teknoloji (ENG)
dc.subjectMALZEME BİLİMİ, SERAMİK
dc.subjectMalzeme Bilimi
dc.subjectMühendislik ve Teknoloji
dc.titleUltrasound assisted synthesis of Gd and Nd doped ceria electrolyte for solid oxide fuel cells
dc.typeMakale
dc.relation.journalCERAMICS INTERNATIONAL
dc.contributor.departmentGebze Teknik Üniversitesi , ,
dc.identifier.volume39
dc.identifier.issue5
dc.identifier.startpage5219
dc.identifier.endpage5225
dc.contributor.firstauthorID70237


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