화학공학소재연구정보센터
학회 한국재료학회
학술대회 2014년 가을 (11/27 ~ 11/28, 대전컨벤션센터)
권호 20권 2호
발표분야 C. 에너지/환경 재료(Energy and Environmental Materials)
제목 알카리를 함유한 유리복합 밀봉소재 물성에 대한 필러의 영향
초록 The objective of this study was to devise a method to enhance the structural rigidity of alkali/alkaline-earth glass sealants for solid oxide fuel cells. Glass-based sealants, both with and without an Al2O3 nanopowder or a yttria stabilized zirconia (YSZ) nanopowder added as fillers, were studied. The effects of filler type on the viscosities, electrical conductivities, and phase transformations of the sealants were investigated. The electrical conductivity of a YSZ filler-containing glass was similar to that of a pure glass sealant. However, the viscosity and the electrical conductivity of the glass containing the Al2O3 nanofiller was higher than those of the glass containing YSZ nanofiller. This increase in the conductivities and viscosities was attributed to the devitrification and structural densification of sealing glass, and the partial dissolution of the Al2O3 filler in alkali/alkaline-earth borosilicate sealing glass
저자 유다영1, 장동훈1, 김광중1, 유가희1, 박성1, 이재춘1, 이동복2
소속 1명지대, 2성균관대
키워드 연료전지; 밀봉재; 누설률; 전기전도도
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