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2024-08-31
A joint research team, including Professor Jong-hoon Joo from School of Environment and
Energy Engineering at Gwangju Institute of Science and Technology (GIST), Professor Jongseop
Hong from Yonsei University, and Dr. Tae-ho Shin from the Korea Institute of Ceramic
Engineering and Technology, has developed a manufacturing technology for solid oxide fuel
cells that operate at temperatures exceeding 900°C within just three seconds.
Solid oxide fuel cell, made of a ceramic material, is vulnerable to thermal shock due to its
low thermal conductivity and high elastic modulus. Additionally, the performance is unstable
in rapid thermal cycling.
The research team designed the electrolyte material and thickness characteristics of the
solid oxide fuel cell to enhance its resistance to high thermal shock. They implemented a
mechanical design to ensure greater flexibility compared to existing models. The ceramicbased
solid oxide fuel cell was manufactured based on this stability functioning without
breaking under rapid temperature changes during thermal stress simulations. The newly
developed solid oxide fuel cells reached temperatures above 900°C within three seconds
without cracking or breaking and maintained high stability throughout more than 100 thermal
shock cycles