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Flat-tube solid oxide stack with high performance for power generation and hydrogen production

Author

Listed:
  • Liu, Zhao
  • Wang, Chengtian
  • Han, Beibei
  • Tang, Yafei
  • Sang, Junkang
  • Wang, Jianxin
  • Yang, Jun
  • Guan, Wanbing

Abstract

This study presents the design, fabrication, and evaluation of a high-performance flat-tube solid oxide cell (FT-SOC) stack, which demonstrates exceptional power generation and hydrogen production capabilities. Comprising three large-sized FT-SOCs, each with an active area of 60 cm2, the stack was tested at 750 °C. It achieved a peak power density of 1.222 W/cm2 in fuel cell (FC) mode and an electrolysis current density of 1.283 A/cm2 at an average voltage of 1.3 V in electrolysis cell (EC) mode, marking the highest reported values for FT-SOC stacks to date. These results surpass the performance of most large-sized planar SOC stacks. Post-operation analysis revealed excellent interfacial contact between components, contributing to the stack's high performance. This study underscores the potential of FT-SOCs in efficient power generation and electrolytic energy storage applications, providing insights that could facilitate their industrial application.

Suggested Citation

  • Liu, Zhao & Wang, Chengtian & Han, Beibei & Tang, Yafei & Sang, Junkang & Wang, Jianxin & Yang, Jun & Guan, Wanbing, 2024. "Flat-tube solid oxide stack with high performance for power generation and hydrogen production," Applied Energy, Elsevier, vol. 362(C).
    • Handle: RePEc:eee:appene:v:362:y:2024:i:c:s0306261924003829
    DOI: 10.1016/j.apenergy.2024.122999
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