Novel alkaline earth silicate sealing glass for SOFC
作者： Yeong-Shyung Chou , Jeffry W. Stevenson , Robert N. Gow
DOI: 10.1016/J.JPOWSOUR.2007.03.060
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摘要: Abstract This is the second part of a study novel Sr–Ca–Ni–Y–B silicate sealing glass for solid oxide fuel cells (SOFC). Part I addresses effect NiO on forming, thermal, and mechanical properties, presented in preceding paper. In this paper (part II), candidate composite with 10 vol.% was tested standard coupons Ni/YSZ anode-supported YSZ electrolyte bilayer metallic interconnect Crofer22APU at various temperatures. Samples sealed highest temperature (1050 °C) showed hermetic seal after fully reduction 10 thermal cycles. The interfacial microstructure characterization no distinct reactions interfaces glass/YSZ or glass/metal, though some segregation Ni found along glass/metal interface. Possible were discussed. Overall appeared to be good SOFC sealing.
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