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Comparison between Y-doped ceria and Ho-doped ceria: Electrical conduction and microstructures

Author

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  • Ou, Ding Rong
  • Mori, Toshiyuki
  • Ye, Fei
  • Zou, Jin
  • Drennan, John

Abstract

The electrical conduction and microstructure in Y-doped ceria and Ho-doped ceria were investigated. Visible differences between the two doped ceria were observed. The plots of conductivity of Y-doped ceria are well fit to the Arrhenius behavior, while curvature and kinks were observed on the plots of Ho-doped ceria. Such deviation from the Arrhenius behavior could be related to the existence of precipitates in Ho-doped ceria. It indicates that the electrolytic conductivity of doped ceria could be significantly influenced by microstructure features.

Suggested Citation

  • Ou, Ding Rong & Mori, Toshiyuki & Ye, Fei & Zou, Jin & Drennan, John, 2008. "Comparison between Y-doped ceria and Ho-doped ceria: Electrical conduction and microstructures," Renewable Energy, Elsevier, vol. 33(2), pages 197-200.
  • Handle: RePEc:eee:renene:v:33:y:2008:i:2:p:197-200
    DOI: 10.1016/j.renene.2007.05.005
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