On the Stability of Sr-Doped La2CuO4 Against Different Electrolytes for IT-SOFCs
✍ Scribed by R. Ruiz-Bustos; A. Cantos-Gómez; A. J. Dos santos-García; C. Sánchez-Bautista; J. van Duijn
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 230 KB
- Volume
- 11
- Category
- Article
- ISSN
- 1615-6846
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✦ Synopsis
The thermal stability of the cathode material against an electrolyte at the operating temperature plays an important role in the fuel cell's performance. As such, compatibility tests of the most common used electrolytes with La 2-x Sr x CuO 4 have been performed. The chemical reaction between these two materials in the temperature ranging from 800 to 1,000 °C was examined by X-ray diffraction analyses. The results show that in all the cases there is reaction above 925 °C, making conventional cell fabrication non-appropriate. However, we demonstrate that infiltration is a useful technique for obtaining cuprate cermets for use as cathode materials in IT-SOFCs.