Application of samaria doped sculptured ceria/La1-xSr xCo1-yFeyO3-δ in cathode of SOFCs at intermediate temperature

Ming Hsiu Wu, Jow Lay Huang, Kuan Zong Fung, Ding Fwu Lii

研究成果: Article同行評審

4 引文 斯高帕斯(Scopus)

摘要

Samaria-doped ceria (SDC)/La1-xSrxCo 1-yFeyO3-δ (LSCF) and yttria-stabilized zirconia (YSZ)/Ni were prepared as the cathode and anode of a solid oxide fuel cell (SOFC), respectively, using glancing angle deposition (GLAD) in electron beam physical vapor deposition. Fuel cell current-voltage measurements and electrochemical impedance spectroscopy were performed at 600 C. The investigations of the crystalline structures were examined using X-ray diffraction and transmission electron microscopy (TEM). A fluorite structure of SDC and the rhombohedral phase of the LSCF film were obtained. TEM images show that the diameter of each SDC single-crystalline column was approximately 50 nm. The results of scanning electron microscopy and electrochemical impedance spectroscopy indicate that high-density triple phase boundary (TPB) in the cathode enhances the performance of SOFC.

原文English
頁(從 - 到)57-62
頁數6
期刊Vacuum
101
DOIs
出版狀態Published - 2014

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films

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