Application of Glass Sealant for SOFC
来源期刊：JOURNAL OF RARE EARTHS2004年增刊第3期
论文作者：Sun Kening Zhang Naiqing Zhou Derui Piao Jinhua
Key words：solid oxide fuel cell; glass-ceramic; sealant;
Abstract: Glass and glass-ceramic materials were investigated as SOFC seals at 800 ～ 850 ℃. The material was based on the glass and glass-ceramic in the BaO-CaO-Al2O3-SiO2-La2O3-B2O3 system. The sealant has a minimum thermal expansion mismatch with yttria-stabilized zirconia (YSZ)electrolyte and Ni/gYSZ for the anode. The sealant has a superior stability during the process of operation in SOFC and can withstand thermal shock during the process of thermal cycling. The results show that the BaO-CaO-Al2O3-SiO2-La2O3-B2O3 system sealant can be used as sealing materials for SOFC.
Sun Kening1，Zhang Naiqing1，Zhou Derui1，Piao Jinhua1
(1.Harbin Institute of Technology, Harbin 150001, China)
Abstract:Glass and glass-ceramic materials were investigated as SOFC seals at 800 ～ 850 ℃. The material was based on the glass and glass-ceramic in the BaO-CaO-Al2O3-SiO2-La2O3-B2O3 system. The sealant has a minimum thermal expansion mismatch with yttria-stabilized zirconia (YSZ)electrolyte and Ni/gYSZ for the anode. The sealant has a superior stability during the process of operation in SOFC and can withstand thermal shock during the process of thermal cycling. The results show that the BaO-CaO-Al2O3-SiO2-La2O3-B2O3 system sealant can be used as sealing materials for SOFC.
Key words:solid oxide fuel cell; glass-ceramic; sealant;
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