High-power SOFC using la0.9Sr0.1Ga 0.8Mg0.2O3-δ/Ce0.8Sm 0.2O2-δ composite film

Jingwang Yan, Hiroshige Matsumoto, Makiko Enoki, Tatsumi Ishihara

Research output: Contribution to journalArticle

156 Citations (Scopus)

Abstract

A high-performance solid oxide fuel cell (SOFC) single cell with La 0.9Sr0.1Ga0.8Mg0.2O 3-δ (LSGM) thin film (5 μm thick) as electrolyte, working at 400-700°C, was demonstrated. A Ce0.8Sm0.2 O 2-δ (SDC) interlayer (400 nm thick) was introduced between the anode substrate of NiO-Fe2O3-SDC and the LSGM thin film to prohibit the reaction between LSGM and NiO and also to promote the electrode processes. Both SDC and LSGM films were deposited by pulsed laser deposition. The peak power density reached 3270, 1951, 612, and 80 mW/cm2 at 700, 600, 500, and 400°C, respectively, which may broaden the SOFC application to the mobile field.

Original languageEnglish
JournalElectrochemical and Solid-State Letters
Volume8
Issue number8
DOIs
Publication statusPublished - Sep 14 2005

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Electrochemistry
  • Electrical and Electronic Engineering

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