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Ultra stable sealing glass for intermediate temperature solid oxide fuel cells
Zhu, Q.; Peng, L.; Huang, W.; Xie, Z.
Conference Name4th China International Conference on High-Performance Ceramics (CICC-4)
Source PublicationKEY ENGINEERING MATERIALS Volume: 336-338 Pages: 481-485 Part: 1-3
Conference DateChengdu, PEOPLES R CHINA
Conference PlaceOCT 23-26, 2005
PublisherTrans Tech Publications Ltd
AbstractA concept for quantitative design of sealing glasses was proposed for planar solid oxide fuel cells (SOFC) applications, by which chemical and physical compatibility of a glass with other materials can be predicted through simulation based on a thermodynamic model and a combined model. Using this method, a sealing glass was successfully developed. The thermal expansion coefficient (TEC) of the glass was determined to be 9.9x10(-6) K-1 (room temperature to 631 degrees C), which is very close to the value of 10.0 x 10(-6) K-1 measured for 8YSZ. Investigations revealed that the sealing glass had very good thermal stability, where the change of the TEC value was within the range of equipment error. The glass was also proved to be chemically compatible with 8YSZ, by the fact that no obvious interfacial reaction was detected after being heat-treated with 8YSZ at 700 degrees C for 500 h.
KeywordSealing Materials Glass Thermal Stability Solid Oxide Fuel Cells
Indexed ByISTP
Document Type会议论文
Recommended Citation
GB/T 7714
Zhu, Q.,Peng, L.,Huang, W.,et al. Ultra stable sealing glass for intermediate temperature solid oxide fuel cells[C]:Trans Tech Publications Ltd,2007:481-485.
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