Ce0.6Mn0.3Fe0.1O2-δ as an Alternative Cathode Material for High Temperature Steam Electrolysis Using LaGaO3-based Oxide Electrolyte

Kohei Hosoi, Takaaki Sakai, Shintaro Ida, Tatsumi Ishihara

研究成果: ジャーナルへの寄稿学術誌査読

13 被引用数 (Scopus)

抄録

Ce0.6Mn0.3Fe0.1O2-δ (CMF) has been used as a new oxide cathode of solid oxide electrolysis cell (SOEC) using LaGaO3-based electrolyte for H2 production under a feeding gas composition of 20%steam/1%H2/79%Ar. CMF cathode exhibits good electrolysis performance and well-performed hydrogen production rate with the Faraday's law at 1173-973 K. Through impedance measurement under a DC polarized condition, the studies show that polarization resistance and ohmic resistance decreased with increasing DC bias potential. Furthermore, CMF showed good stability, and no significant aggregation and delamination were noticed during the electrolysis measurement. These results suggest that CMF can be a promising oxide cathode candidate for intermediate temperature SOEC.

本文言語英語
ページ(範囲)473-479
ページ数7
ジャーナルElectrochimica Acta
194
DOI
出版ステータス出版済み - 3月 10 2016

!!!All Science Journal Classification (ASJC) codes

  • 化学工学(全般)
  • 電気化学

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