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The central aim is to analyze and model the degradation mechanisms in solid oxide cell stacks to enhance their commercialization potential.

March 29, 2026Open Access

Degradation of solid oxide cell (SOC) stacks with the support of electrochemical impedance spectroscopy (EIS) and modelling

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Modeling reveals causes of degradation in solid oxide cells, suggesting design improvements for better performance.

The central aim is to analyze and model the degradation mechanisms in solid oxide cell stacks to enhance their commercialization potential.
Development of a time-dependent model for SOC stacks using computational fluid dynamics
Incorporation of various degradation processes including nickel migration and manganese poisoning
Simulation duration extended to ~100 kilohours with validation against experimental data
Degradation primarily attributed to nickel agglomeration and manganese poisoning under fuel cell operation
Simulation indicates that optimized designs can reduce degradation rates by two-thirds for fuel cells and seven-eighths for steam electrolysis
Implementation of protective coatings and modifications to ionic conductors significantly enhance stack longevity

Shangzhe Yu (2026) studied this question.

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