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박막공정의 융합화를 통한 초소형 고체산화물 연료전지의 제작: I. Spray Pyrolysis법으로 증착된Ni 기반 음극과 스퍼터링으로 증착된 YSZ 전해질의 다층구조
손지원,김형철,김혜령,이종호,이해원,A. Bieberle-H?ter,J. L. M. Rupp,U. P. M?cke,D. Beckel,L. J. Gauckler 한국세라믹학회 2007 한국세라믹학회지 Vol.44 No.10
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.
박막공정의 융합화를 통한 초소형 고체산화물 연료전지의 제작: I. Spray Pyrolysis법으로 증착된 Ni 기반 음극과 스퍼터링으로 증착된 YSZ 전해질의 다층구조
Son, Ji-Won,Kim, Hyoung-Chul,Kim, Hae-Ryoung,Lee, Jong-Ho,Lee, Hae-Weon,Bieberle-Hutter, A.,Rupp, J.L.M.,Muecke, U.P.,Beckel, D.,Gauckler, L.J. 한국세라믹학회 2007 한국세라믹학회지 Vol.44 No.10
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.