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J. Korean Ceram. Soc. > Volume 42(12); 2005 > Article
Journal of the Korean Ceramic Society 2005;42(12): 854.
doi: https://doi.org/10.4191/kcers.2005.42.12.854
단실형 마이크로 고체 산화물 연료전지의 작동특성 전산모사
차정화, 정찬엽, 정용재, 김주선1, 이종호1, 이해원1
한양대학교 세라믹공학과
1한국과학기술연구원 나노재료연구센터
Performance Modeling of Single-Chamber Micro SOFC
Jeong-Hwa Cha, Chan-Yeup Chung, Yong-Chae Chung, Joosun Kim1, Jongho Lee1, Hae-Weon Lee1
Department of Ceramic Engineering, Hanyang University
1Nano-Materials Research Center, Korea Institute of Science and Technology
ABSTRACT
Performance of micro scale intermediate temperature solid oxide fuel cell system has been successfully evaluated by computer simulation based on macro modeling. Two systems were studied in this work. The one is designed that the ceria-based electrolyte placed between composite electrodes and the other is designed that electrodes alternately placed on the electrolyte. The injected gas was composed of hydrogen and air. The polarization curve was obtained through a series of calculations for ohmic loss, activation loss and concentration loss. The calculation of each loss was based on the solving of mathematical model of multi physical-phenomena such as ion conduction, fluid dynamics and diffusion and convection by Finite Element Method (FEM). The performance characteristics of SOFC were quantitatively investigated for various structural parameters such as distance between electrodes and thickness of electrolyte.
Key words: Micro single-chamber SOFC, Computer simulation, Performance characteristics, Polarization curve prediction
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