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J. Korean Ceram. Soc. > Volume 44(10); 2007 > Article
Journal of the Korean Ceramic Society 2007;44(10): 589.
doi: https://doi.org/10.4191/kcers.2007.44.1.589
박막공정의 융합화를 통한 초소형 고체산화물 연료전지의 제작: I. Spray Pyrolysis법으로 증착된 Ni 기반 음극과 스퍼터링으로 증착된 YSZ 전해질의 다층구조
손지원, 김형철, 김혜령, 이종호, 이해원, 이해원1, 이해원1, 이해원1, 이해원1, 이해원1
한국과학기술연구원 에너지재료연구단
Fabrication of Micro Solid Oxide Fuel Cell by Thin Film Processing Hybridization: I. Multilayer Structure of Sputtered YSZ Thin Film Electrolyte and Ni-Based Anodes deposited by Spray Pyrolysis
Ji-Won Son, Hyoung-Chul Kim, Hae-Ryoung Kim, Jong-Ho Lee, Hae-Weon Lee, A. Bieberle-Hutter1, J.L.M. Rupp1, U.P. Muecke1, D. Beckel1, L.J. Gauckler1
Center for Energy Materials Research, Korea Institute of Science and Technology
1Department of Materials Nonmetallic Inorganic Materials, ETH Honggerberg
Physical properties of sputtered YSZ thin film electrolytes on anode thin film by spray pyrolisis has been investigated to realize the porous electrode and dense electrolyte multilayer structure for micro solid oxide fuel cells. It is shown that for better crystallinity and density, YSZ need to be deposited at an elevated temperature. However, if pure NiO anode was used for high temperature deposition, massive defects such as spalling and delamination were induced due to high thermal expansion mismatch. By changing anode to NiOCGO composite, defects were significantly reduced even at high deposition temperature. Further research on realization of full cells by processing hybridization and cell performance characterization will be performed in near future.
Key words: Micro solid oxide fuel cell, YSZ thin film, Thin Film Ni-base anode, Sputtering, Spray pyrolysis
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