Crystallographic Correlations with Anisotropic Oxide Ion Conduction in Aluminum-Doped Neodymium Silicate Apatite Electrolytes

• Main Authors: An, Tao, Baikie, Tom, Wei, Fengxia, Pramana, Stevin S., Schreyer, Martin K., Piltz, Ross O., Shin, J. Felix, Wei, Jun, Slater, Peter R., White, Timothy John
• Other Authors: School of Materials Science & Engineering
• Format: Article
• Language: English
• Published: 2017
• Subjects: Solid electrolyte; Apatite
• Online Access: https://hdl.handle.net/10356/85584; http://hdl.handle.net/10220/43744
• Institution: Nanyang Technological University

To better understand the oxide ion conduction mechanism of rare earth silicate apatites as intermediate temperature electrolytes for solid oxide fuel cells (SOFC), the effect of lower valent metal doping on the performance of Nd(28+x)/3AlxSi6-xO26 (0 ≤ x ≤ 2) single crystals has been examined. The m...