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J. Korean Ceram. Soc. > Volume 35(3); 1998 > Article
Journal of the Korean Ceramic Society 1998;35(3): 273.
기공전구체를 이용한 고체전해질 연료전지의 동시소성 연구
문지웅, 이홍림, 김구대1, 김재동, 이해원2
연세대학교 세라믹공학과
1한국과학기술연구원 세라믹공정연구센터
2한국과학기술연구원 세라믹공정 연구센터
Co-firing of Solid Oxide Fuel Cell Using Pore Former
Unite cell of soid oxide fuel cell (SOFC) that consists of a dense yttria-stabilized zirconia(YSZ) electrolyte a porous nickel-YSZ cermet anode and a porous strontium- doped lanthanum manganate(LSM) cathod was fabricated from using pore former through co-firing technique. Initial sintering shrinkage rates of each layer were identified for fabricating SOFC. Heterogenous sintering was very effective in tailoring shrinkage rate for three layers. The powder tailoring necessary for shrinkage rate matching are as follows ; electrolyte of 60% TZ8YS/ 40% TZ8Y mixture anode of 51wt% NiO/49 wt% (70wt% TZ8YS/30 wt% UT ZrO2) mixture and cathode of 80% LSM/20% UT ZrO2 mixture . The overall sintering shrinkage rate differences of three layers using these compositions were maintained in a few percent.
Key words: SOFC, Solid oxide fuel cell, Co-firing, Pore former, Heterogeneous sintering
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