Pulsed laser deposition of La0.6Sr0.4CoO 3-δ-Ce0.9Gd0.1O2-δ nano-composite and its application to gradient-structured thin-film cathode of SOFC

Doo Hwan Myung, Jaeyeon Hwang, Jongill Hong, Hae Weon Lee, Byung Kook Kim, Jong Ho Lee, Ji Won Son

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23 Citations (Scopus)

Abstract

Overcoming the structural instability of a single-phase thin-film-processed cathode by replacing it with a cathode-electrolyte composite thin-film cathode is presented. The effect of the deposition materials change from a single-phase lanthanum strontium cobaltite (LSC) to a LSC-gadolinia-doped ceria (GDC) composite and the influence of the variations of pulsed laser deposition (PLD) parameters on thin-film cathode microstructures are discussed. By introducing the cathode-electrolyte composite concept to the thin-film deposition and employing a gradient cathode structure, the adhesion of the interface between the thin-film cathode and the electrolyte could be enhanced and as a result, much improved stability of high-temperature performance and structure of the thin-film-processed cathode could be obtained.

Original languageEnglish
JournalJournal of the Electrochemical Society
Volume158
Issue number8
DOIs
Publication statusPublished - 2011 Aug 1

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films
  • Electrochemistry
  • Materials Chemistry

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