KEPCO Journal on Electric Power and Energy

Korea Electric Power Corporation (한국전력공사)
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Electrochemical Performance of a Metal-supported Solid Oxide Electrolysis Cell

  • Lee, Taehee (KEPCO Research Institute, Korea Electric Power Corporation) ;
  • Jeon, Sang-Yun (KEPCO Research Institute, Korea Electric Power Corporation) ;
  • Yoo, Young-Sung (KEPCO Research Institute, Korea Electric Power Corporation)
  • Received : 2019.05.29
  • Accepted : 2019.07.23
  • Published : 2019.06.30
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Abstract

A YSZ electrolyte based ceramic supported Solid Oxide Cell (SOC) and a metal interconnect supported SOC was investigated under both fuel cell and co-electrolysis (steam and $CO_2$) mode at $800^{\circ}C$. The single cell performance was analyzed by impedance spectra and product gas composition with gas chromatography(GC). The long-term performance in the co-electrolysis mode under a current density of $800mA/cm^2$ was obtained using steam and carbon dioxide ($CO_2$) mixed gas condition.

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