Interdiffusion across solid electrolyte-electrode interface
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| Authors | Jia-Mian Hu, Linyun Liang, Yanzhou Ji, Liang Hong, Kirk Gerdes, Long-Qing Chen |
| Journal/Conference Name | Applied Physics Letters |
| Paper Category | Physics and Astronomy (miscellaneous) |
| Paper Abstract | A phase-field model is developed for studying the cation interdiffusion across electrolyte-electrode interfaces in solid oxide fuel cell (SOFC) that can be contributing to long timescale performance degradation. Demonstrated on an interface between an 8%molY2O3-stabilized ZrO2 and a La0.65Sr0.3MnO3−x typically used in SOFC, time-dependent evolution of the cation interdiffusion profiles are predicted by linking the phase-field model to a diffusion equation. The simulated interdiffusion profiles agree with independent experimental data in both time and space domains at different temperatures. |
| Date of publication | 2014 |
| Code Programming Language | Python |
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