Stability of solid oxide fuel cell materials
Conference
·
OSTI ID:416507
- Pacific Northwest Lab., Richland, WA (United States)
The phase stability and sintering behavior of materials used in SOFCs has been evaluated. The sintering behavior of Ca and Sr doped lanthanum. manganite (the preferred SOFC cathode material) is highly dependent on the relative proportion of A and B site cations in the material. Ca and Sr doped lanthanum chromite (the preferred interconnect material) have been shown to rapidly expand in reducing atmospheres at temperatures as low as 700{degrees}C. This expansion is due to the reduction of Cr{sup 4+} to Cr{sup 3+} in reducing environments.
- Research Organization:
- Oak Ridge National Lab., TN (United States)
- OSTI ID:
- 416507
- Report Number(s):
- ORNL/FMP--95/1; CONF-9505204--; ON: DE96001412
- Country of Publication:
- United States
- Language:
- English
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