Electrophoretic deposition of Y2O3-stabilized ZrO2 electrolyte films in solid oxide fuel cells

Tatsumi Ishihara, Keiji Sato, Yusaku Takita

Research output: Contribution to journalArticle

176 Citations (Scopus)

Abstract

An electrophoretic deposition (EPD) method was applied for the preparation of yttria-stabilized zirconia (YSZ) films for solid oxide fuel cell (SOFC) applications. Dense YSZ films with uniform thickness can be readily prepared with the EPD method by using acetylacetone or acetone as a solvent. The open-circuit voltages of SOFC, for which the YSZ films were prepared by the EPD method, increased with increasing repetitions of deposition and sintering. It was found that the open-circuit voltage exceeded 1.0 V after five repetitions. When the planar SOFC was fabricated using La0.6Sr0.4MnO3 as a cathode, and electroless plating Pt as an anode, the open-circuit voltage and the maximum power density attained were 1.03 V and 1.84 W·cm-2, respectively. Consequently, it became evident that the electrophoretic deposition was a suitable processing route for the formation of gas-tight YSZ films with thickness less than 10 μm.

Original languageEnglish
Pages (from-to)913-919
Number of pages7
JournalJournal of the American Ceramic Society
Volume79
Issue number4
DOIs
Publication statusPublished - Jan 1 1996
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Geology
  • Geochemistry and Petrology
  • Materials Chemistry

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