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김귀열,엄승욱,문성인 한국전기전자재료학회 1996 電氣電子材料學會誌 Vol.9 No.9
In this paper, the cathode materials of solid oxide fuel cell were fabricated, and the analysis of TG/DTA, XRD, thermal expansion and electric conductivity were investigated. As a result, thermal expansion coefficient of LSM was not quite different from that of electrolyte. And the performance of LSM(x=0.4) was more excellent than the others.
김귀열 한국전기전자재료학회 1996 電氣電子材料學會誌 Vol.9 No.8
이글에서는 다음의 내용을 다루었다. 1. MCFC발전시스템의 구성 2. MCFC발전 plant 3. MCFC의 개발상황 4. 용융탄산엽형 연료전지의 고성능화 과제
김귀열 한국전기전자재료학회 1996 電氣電子材料學會誌 Vol.9 No.8
The molten carbonate fuel cell has conspicuous features and high potential in being used as an energy converter of various fuels to electricity and heat. However, the MCFC which use strongly corrosive molten carbonate at 650[.deg. C] have many problem. Systematic investigation on corrosion behavior of Fe-based Cr has been done in ($62{\times}38$)mol % (Li+K)$CO_3$ melt at 923K by using steady state polarization and electrochemical impedance spectroscopy method. It was found that the corrosion current of these Fe-based alloys decreased with increasing Cr content, and this was attributed to the formation of $LiCrO_2$ layer at the surface .
김귀열,엄승욱 한국전기전자재료학회 1995 電氣電子材料學會誌 Vol.8 No.5
In this paper, the anode for molten carbonate fuel cell have been prepared by doctor blade method and microstructure, pore distribution, sintering test of the electrode were investigated. Component analysis were done by Scanning Electron Micrograph, porosimeter and sintering test apparatus. As a result, median pore size was 11.mu.m order at the major specimen and porosity was about 70%. And thickness loss of the electrode was 1.5% at Ni-10Co anode after sintering test.
김귀열 한국전기전자재료학회 1993 電氣電子材料學會誌 Vol.6 No.6
현재 고도 산업사회에 있어서 전기, 전자공업에 부과된 역활은 매우 중요하다. 이들은 전기에너지의 고품질화, 고속전파성과 전자회로의 고밀도성에 영향을 받는 전기통신, 정보 제어부문과 이들 관련기기, 부품소자등을 구성하는 재료부문의 3분야로 구분된다. 유입변압기에 사용되고 있는 절연재료의 주된 성분은 일반적으로 광유계 절연유 및 절연지나 pressboard등의 cellulose계 재료가 있다. 본 보고에서는 pressboard를 중심으로 절연지의 특징, 응용현황 및 전망에 대하여 살펴보고자 한다.