Interdiffusion across solid electrolyte-electrode interface

Jia Mian Hu, Linyun Liang, Yanzhou Ji, Liang Hong, Kirk Gerdes, Long Qing Chen

Research output: Contribution to journalArticle

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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.

Original languageEnglish (US)
Article number213907
JournalApplied Physics Letters
Volume104
Issue number21
DOIs
StatePublished - May 26 2014

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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