Controlled Pore Size of NiO-YSZ Tubular Substrate for Improved Performance of Reversible Solid Oxide Cell Using LaGaO3 Electrolyte Film

Bin Liu, Tan Zhe, Sun Kim, Jun Tae Song, Motonori Watanabe, Tatsumi Ishihara

研究成果: ジャーナルへの寄稿学術誌査読

2 被引用数 (Scopus)

抄録

Effects of channel size in NiO-YSZ porous substrate were studied on power density in solid oxide fuel cell mode and electrolysis current in steam electrolysis mode. It was found that the cell deposited on anode substrate with larger pore diameter shows a superior performance. The LSGM cell prepared on Ni-YSZ tube with average channel diameter of ca. 2.5 μm shows the maximum power density of 0.36 W cm−2 in SOFC mode and 0.42 A cm−2 at 1.6 V in SOEC mode at 873 K. Spike potential noise which may be caused by insufficient gas diffusion in NiO-YSZ porous substrate was observed under constant current electrolysis condition in case of NiO-YSZ tube with narrow channel and the spike noise is suppressed by increasing channel size. NiO-YSZ tube with large channel size is also effective for increasing long term stability in electrolysis mode.

本文言語英語
論文番号024504
ジャーナルJournal of the Electrochemical Society
171
2
DOI
出版ステータス出版済み - 2月 1 2024

!!!All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • 再生可能エネルギー、持続可能性、環境
  • 凝縮系物理学
  • 表面、皮膜および薄膜
  • 電気化学
  • 材料化学

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