First-principles thermodynamic assessment of Sr-containing secondary phase formation in strontium-substituted lanthanum manganites for solid oxide cell applications

Yueh-Lin Lee; Dane Morgan; Yuhua Duan; Dan Sorescu; Wissam A. Saidi; William K Epting; Harry Abernathy

doi:10.1039/d5ta07892j

January 1, 2026Journal of Materials Chemistry A

First-principles thermodynamic assessment of Sr-containing secondary phase formation in strontium-substituted lanthanum manganites for solid oxide cell applications

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Key Points

This research aims to analyze the impact of strontium-containing secondary phases on the performance of solid oxide cells using thermodynamic principles.
Conducted a first-principles thermodynamic study.
Focused on La1-xSrxMnO3±δ perovskite materials.
Analyzed the formation of secondary phases under varying conditions.
Identified significant degradation modes related to secondary phase formation.
Showed that strontium affects the stability and performance of solid oxide cells.
Highlighted thermodynamic conditions leading to increased susceptibility to degradation.

Implication

First-principles assessment reveals phase formation impacts solid oxide cell viability, indicating performance concerns.

Abstract

Sr-secondary phase formation is a potentially significant degradation mode with direct impact upon solid-oxide cell (SOC) commercial viability. A first-principles based thermodynamic study was performed for La 1-x Sr x MnO 3±δ (LSM) perovskites to...

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Cite This Study

Lee et al. (2026) studied this question.

synapsesocial.com/papers/6969d488940543b9777097a2 https://doi.org/10.1039/d5ta07892j

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First-principles thermodynamic assessment of Sr-containing secondary phase formation in strontium-substituted lanthanum manganites for solid oxide cell applications

Key Points

Implication

Abstract

Discussion

Cite This Study

First-principles thermodynamic assessment of Sr-containing secondary phase formation in strontium-substituted lanthanum manganites for solid oxide cell applications

Key Points

Implication

Abstract

Discussion

Cite This Study

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