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Microstructure and property evaluation of barium aluminosilicate glass-ceramic sealant for anode-supported solid oxide fuel cell

IR@CGCRI: CSIR-Central Glass and Ceramic Research Institute, Kolkata

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Title Microstructure and property evaluation of barium aluminosilicate glass-ceramic sealant for anode-supported solid oxide fuel cell
 
Creator Ghosh, Saswati
Kundu, Paritosh
Das Sharma, Abhijit
Basu, Rajendra Nath
Maiti, Himadri Sekhar
 
Subject Microstructure and Characterization
 
Description Several glass compositions based on the barium aluminosilicate system have been investigated for their application as sealant for solid oxide fuel cell (SOFC). The developed glasses were characterized through measurement of different properties, viz. coefficient of thermal expansion (CTE), glass transition temperature (T-g), dilatometric softening temperature (T-d), crystallization behavior during prolonged heat-treatment, electrical resistivity measurement, microstructural studies, etc. In addition, bonding behavior between zirconia electrolyte and metallic interconnect in sandwiched condition has also been investigated to find out their suitability as sealant for SOFC. Microstructural investigation revealed a well-adhered bonding between the electrolyte and the metallic interconnect. The optimized glass composition also showed a high resistivity (similar to 10(5) Omega cm) at the SOFC operation temperature (similar to 800 degrees C). (c) 2007 Elsevier Ltd. All rights reserved.
 
Publisher Elsevier, European Ceramic Society
 
Date 2008
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://cgcri.csircentral.net/325/1/J_European_Ceram_Soc_28_(2008)_69%E2%80%9376.pdf
Ghosh, Saswati and Kundu, Paritosh and Das Sharma, Abhijit and Basu, Rajendra Nath and Maiti, Himadri Sekhar (2008) Microstructure and property evaluation of barium aluminosilicate glass-ceramic sealant for anode-supported solid oxide fuel cell. Journal of the European Ceramic Society, 28 (1). pp. 69-76. ISSN 0955-2219
 
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