Nanostructured Cerium oxide (Ceria): Electrolyte for IT-SOFC
Journal Title: International Journal of Nano Research - Year 2018, Vol 0, Issue 1
Abstract
Mg and Sm co-doped ceria samples Ce0.8Sm0.2-xMgxO2-δ (x = 0.00; 0.05; 0.1; 0.15, 0.175) successfully synthesized by Sol-gel route using citric acid as fuel. Sample pellets were sintered at 1300ºC for 4h in air. Bulk density was determined by Archimedes method. X-ray diffraction confirms the single phase cubic fluorite structure. Relative found increasing with increasing Mg content in samarium doped ceria material. The Mg substitution has led to increase crystallite size as determined by XRD data using Scherer’s formula. The alkali earth Mg can be used as sintering aid in ceria-based materials. Dense solid solution of ceria are good candidate electrolyte materials for IT-SOFC.
Authors and Affiliations
Syed Ismail Ahmad
Keywords
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Nanostructured Cerium oxide (Ceria): Electrolyte for IT-SOFC
Mg and Sm co-doped ceria samples Ce0.8Sm0.2-xMgxO2-δ (x = 0.00; 0.05; 0.1; 0.15, 0.175) successfully synthesized by Sol-gel route using citric acid as fuel. Sample pellets were sintered at 1300ºC for 4h in air. Bulk dens...