화학공학소재연구정보센터
학회 한국공업화학회
학술대회 2005년 봄 (05/13 ~ 05/14, 충남대학교)
권호 9권 1호
발표분야 환경,에너지
제목 Study on the La0.8Sr0.2MnO3/Yttria-stabilized Zirconia Composites as Anode Materials for High Temperature Electrolysis
초록 The La0.8Sr0.2MnO3(LSM)/Yttria-stabilized Zirconia(YSZ) composites were investigated as anode materials for high temperature electrolysis using X-ray diffractometry, scanning electron microscopy, galvanodynamic polarization method, and A.C. impedance spectroscopy. For this purpose, the LSM perovskites were fabricated in powders by co-precipitation method and then were mixed with 8 mol% YSZ powders in different molar ratios. The LSM/YSZ composites were deposited on 8 mol% YSZ electrolyte disks by means of a screen printing method, followed by sintering at temperatures above 1100 ℃. From the experimental results, it is concluded that the electrochemical properties of the LSM/YSZ composites are closely related to their microstructure and interfacial products.
저자 지종섭1, 김창희2, 박기배2, 심규성2, 강용1
소속 1충남대, 2한국에너지기술(연)
키워드 LSM; Yttria-stabilized Zirconia; High temperature electrolysis; A.C. impedance spectroscopy; Co-precipitation method
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