Effect of Al2O3 content on BaO–Al2O3–B2O3–SiO2 glass sealant for solid oxide fuel cell
作者： Tao Sun , Hanning Xiao , Wenming Guo , Xiucheng Hong
DOI: 10.1016/J.CERAMINT.2009.09.045
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摘要: Abstract The glass structure, wetting behavior and crystallization of BaO–Al 2 O 3 –B –SiO system containing 2–10 mol% Al were investigated. introduction caused the conversion [BO ] units 4 to each other it played as network former when content was up 10 mol%, accompanied by ] → [BO ]. stability improved first then decreased increased from with 5 mol% being most stable one. glasses indicates that excess leads high sealing temperature. characterized a lower temperature is suitable for SOFC sealing. improves glass. crystal phases in reheated are mainly composed Ba Si 8 , BaSiO BaB BaAl . helps
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