Investigation of Structural and Electrical Properties of (Bi2O3)1-x-y(CeO2)x(Eu2O3)y Electrolytes for Solid Oxide Fuel Cells

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dc.contributor.authorIslek, Y.
dc.contributor.authorOzen, M. Kasikci
dc.contributor.authorKayali, R.
dc.contributor.authorAri, M.
dc.date.accessioned2024-11-07T13:31:44Z
dc.date.available2024-11-07T13:31:44Z
dc.date.issued2019
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractIn the present study, CeO2 and Eu2O3 doped Bi2O3 composite materials for solid oxide fuel cells were investigated. (Bi2O3)(1-x-y)(CeO2)(x) (Eu2O3)(y) ternary systems (x = 0.01, 0.03, 0.05, 0.07, 0.09, 0.11 and y = 0.11, 0.09, 0.07, 0.05, 0.03, 0.01 dopant concentrations) were fabricated at different temperatures (650, 700, 750, and 800 degrees C) using conventional solid-state synthesis techniques. Characterization of these electrolyte samples were carried out by X-ray powder diffraction, differential thermal analysis/thermal gravimeter, and the four-point probe technique measurements. X-ray powder diffraction measurements showed that nearly all the samples have alpha+beta+gamma phase except the samples with tetragonal beta-phase sintered at 700, 750 degrees C and 750, 800 degrees C with the dopant ratios (x = 0.07, y = 0.05) and (x = 0.09, y = 0.03), respectively. Four-point probe technique measurements showed that the measured ionic conductivity of the stable samples vary in the range 1.05 x 10(-1)-4.76 x 10(-1) S/cm. Additionally, the activation energy values of the samples were calculated with the help of the Arrhenius equation adapted to the logs graphics versus 1000/T varying in the range 0.7799-0.8746 eV. This result shows that there is a good relationship between the activation energy values and conductivity values.
dc.description.sponsorshipNigde University Research Projects Unit
dc.description.sponsorshipThis work was funded by Nigde University Research Projects Unit under the grant no. FEB 2008/09.
dc.identifier.doi10.12693/APhysPolA.135.347
dc.identifier.endpage352
dc.identifier.issn0587-4246
dc.identifier.issn1898-794X
dc.identifier.issue3
dc.identifier.scopus2-s2.0-85071073941
dc.identifier.scopusqualityQ4
dc.identifier.startpage347
dc.identifier.urihttps://doi.org/10.12693/APhysPolA.135.347
dc.identifier.urihttps://hdl.handle.net/11480/15023
dc.identifier.volume135
dc.identifier.wosWOS:000481716600006
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPolish Acad Sciences Inst Physics
dc.relation.ispartofActa Physica Polonica A
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241106
dc.subjectBismuth
dc.subjectConductivity
dc.subjectPhase
dc.subjectMechanism
dc.titleInvestigation of Structural and Electrical Properties of (Bi2O3)1-x-y(CeO2)x(Eu2O3)y Electrolytes for Solid Oxide Fuel Cells
dc.typeArticle

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