Effects of composition on sintering of current interconnects in SOFC
Conference
·
OSTI ID:10114347
The sintering behavior of alkaline-earth-substituted lanthanum and yttrium chromites, which are candidates for the current interconnect in solid oxide fuel cells (SOFC) was investigated. Extensive commercialization of SOFC technology may involve co-sintering as a method to reduce production costs. Co-sintering will require that the interconnect material reaches high density (closed porosity) under conditions in which the air-electrode material, a manganite, maintains substantial porosity and remains stable. Therefore, ideal chromite compositions are those that attain greater than 94% of theoretical density in high PO{sub 2} atmosphere at temperatures near or below 1400{degree}C.
- Research Organization:
- Pacific Northwest Lab., Richland, WA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC06-76RL01830
- OSTI ID:
- 10114347
- Report Number(s):
- PNL-SA--21446; CONF-921114--4; ON: DE93004837
- Country of Publication:
- United States
- Language:
- English
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