研究了一种热稳定性好的中温固体氧化物燃料电池密封玻璃.研究表明,此密封玻璃的热膨胀系数(室温～631℃)为9.8×10-6/K,与8YSZ电解质的热膨胀系数10.0×10-6/K(室温～631℃)接近,并且在700℃热处理300h后,该密封玻璃的热膨胀系数几乎没有变化.粘度实验表明,玻璃在700℃下具有足够的刚性,适合于运行温度在700℃左右SOFC的密封.化学相容性的研究显示,在700℃下与8YSZ反应300h后没有发现显著的界面反应.
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