Journal of Electrochemical Science and Technology

  • 제14권2호
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  • Pages.145-151
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  • 2023
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  • 2093-8551(pISSN)
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  • 2288-9221(eISSN)
한국전기화학회 (The Korean Electrochemical Society)
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The Effect of the Anode Thickness on Electrolyte Supported SOFCs

  • So Yeon Shin (Korea Electric Power Corp. Research Institute) ;
  • Dae-Kwang Lim (Korea Electric Power Corp. Research Institute) ;
  • Taehee Lee (Korea Electric Power Corp. Research Institute) ;
  • Sang-Yun Jeon (Korea Electric Power Corp. Research Institute)
  • 투고 : 2022.10.12
  • 심사 : 2022.12.01
  • 발행 : 2023.05.28
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초록

Planer-type electrolyte substrates are often utilized for stack manufacturing of electrolyte-supported solid oxide fuel cells (ES-SOFCs) to fulfill necessary requirements such as a high mechanical strength and redox stability. This work did an electrochemical analysis of ES-SOFC with different NiO-YSZ anode thicknesses to find the optimal value for the high performance of the fuel cell. The cell resistivities were constant at anode thickness between 25-58 ㎛, but a thick anode (74 ㎛) caused a high electrode resistivity leading to a dramatic reduction in cell performance. A stability test was performed for 50 hours at 700℃, and the results showed a degradation rate of 0.3% per 1000 h by extrapolated fitting.

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과제정보

This research was supported by the projects of the Korea Electric Power Corporation(R22EA08).

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