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Effects of the Sintering Temperature on the Properties of Ce0.85Gd0.1Ca0.05O2-delta Electrolyte Materials for SOFC
- Issue Date
- 2012
- Publisher
- TAYLOR & FRANCIS LTD
- Keywords
- Ceramics; impedance spectroscopy; ionic conductivity; SOFC
- Citation
- INTEGRATED FERROELECTRICS, v.140, pp 71 - 76
- Pages
- 6
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- INTEGRATED FERROELECTRICS
- Volume
- 140
- Start Page
- 71
- End Page
- 76
- ISSN
- 1058-4587
1607-8489
- Abstract
- Ca properties in the sintering behavior of gadolinia-doped ceria were investigated. Their structures and conductivities were characterized by X-ray diffraction, scanning electron microscopy, and AC impedance spectroscopy. All the electrolytes were found to be of single phase with a cubic fluorite structure. AC impedance measurements showed that the conductivities for Ce0.85Gd0.10Ca0.05O2-delta sample increased by increasing the sintering temperature. At 1500 degrees C the Ce0.85Gd0.10Ca0.05O2-delta had low resistivity values, high conductivity, and low activation energy.
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