Partial oxidation of methane for internally reformed solid oxide fuel cell

Yoshiko Hiei, Tatsumi Ishihara, Yusaku Takita

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Internally reformed solid oxide fuel cells (SOFC) where partial oxidation of methane was used as the reforming reaction were investigated. The electrical power generated as well as the activity for the partial oxidation of methane are strongly dependent on the oxide ion conductivity of the electrolyte used. Among the oxide ion conductors examined, perovskite oxide of LaGaO3 doped with Sr and Mg gives the highest electrical power, and a gaseous mixture of CO and H2 at the molar ratio of 2 was obtained. When La0.9Sr0.1Ga0.8Mg0.2O3, Ni, and La0.6Sr0.4CoO3 were used as electrolyte, anode, and cathode, respectively, and the gaseous mixture of CH4/O2 = 4 was fed, the electrical power density and yield of synthesis gas consisting of CO and H2 attained was 336 mW cm-2 and 70%, respectively. The electrical power as well as the CH4 conversion was stably sustained over a 30 h examination.

Original languageEnglish
Pages (from-to)1267-1272
Number of pages6
JournalSolid State Ionics
Issue numberPART 2
Publication statusPublished - Jul 1996
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics


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