EvaluationonPropertiesofCaO-BaO-B2O3-Al2O3-SiO2Glass-CeramicSealantsforIntermediateTemperatureSolidOxideFuelCells

被引：0

作者：

Fatemeh Heydari ^{[1
]}

Amir Maghsoudipour ^{[1
]}

Zohreh Hamnabard ^{[2
]}

Sajad Farhangdoust ^{[1
]}

机构：

[1] Ceramic Division, Material and Energy Research Center

[2] Ceramic Group, Materials Research School

来源：

JournalofMaterialsScience&Technology | 2013年 / 29卷 / 01期

关键词：

Glass; Solid oxide fuel cells (SOFC); Thermal expansion; Mechanical properties; Electrical properties;

D O I：

暂无

中图分类号：

TM911.4 [燃料电池];

学科分类号：

0808 ;

摘要：

To develop suitable sealants for intermediate temperature solid oxide fuel cells (IT-SOFC), glasseceramics based on the CaO-BaO-B2O3-Al2O3-SiO2 system were studied. Coefficient of thermal expansion (CTE), glass transition temperature (Tg) and dilatometric softening point temperature (Td) of specimens were determined by means of dilatometer analysis and crystallization temperature was measured by differential thermal analysis (DTA). Also, crystallization behavior during prolonged heat-treatment and microstructure properties were studied by means of X-ray diffraction (XRD) and scanning electron microscopy (SEM), respectively. Electrical properties were measured at different temperatures, and the results showed a high resistance (>10 4Ω) at the SOFC operation temperature (600-800℃). Moreover, mechanical properties of heat-treated specimens (1, 10, 30, 50 h) were measured. Microstructure investigation revealed a well-adhered bonding between the sealant glasseceramic electrolyte and glass.

引用

页码：49 / 54

页数：6

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