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J. Korean Ceram. Soc. > Volume 43(12); 2006 > Article
Journal of the Korean Ceramic Society 2006;43(12): 798.
doi: https://doi.org/10.4191/kcers.2006.43.12.798
패턴된 전극을 가진 표면 전도형 단실형 고체산화물 연료전지의 제조
안성진, 김용범, 문주호, 이종호1, 김주선1
연세대학교 세라믹공학과
1한국과학기술연구원 재료연구부
Fabrication of Co-Planar Type Single Chamber SOFC with Patterned Electrodes
Sung-Jin Ahn, Yong-Bum Kim, Joo-Ho Moon, Jong-Ho Lee1, Joo-Sun Kim1
Department of Materials Science and Engineering, Yonsei University
1Nano-Materials Research Center, KIST
Co-planar type single chamber solid oxide fuel cell with patterned electrode on a surface of electrolyte has been fabricated by robo-dispensing method and microfluidic lithography. The cells were composed of NiO-GDC-Pd or NiO-SDC cermet anode, $(La_{0.7}Sr_{0.3})_{0.95}MnO_3$ cathode, and yttria stablized zirconia electrolyte. The cell performance at $900^{circ}C$ was investigated as a function of electrode geometries, such as anode-to-cathode distance, numbers of electrode pairs. Relationship between OCV and I-V characteristics at the optimized operation condition was also studied by DC source meter under the mixed gas condition of methane, air, and nitrogen. An increase of anode-facing-cathode area leads to lower OCV due to intermixing between product gases of anode and cathode, which in turn decreases the oxygen partial pressure difference.
Key words: Single chamber SOFC, Interdigitated electrode, Robo-dispensing, Microfluidic lithography
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