DOI: 10.1039/d6ta06852a ISSN: 2050-7488

Addressing silicon in high-temperature SOEC systems: experimental and thermodynamic insights for enhanced durability

Daniel Bruun, Peter Blennow, Elena Marzia Sala, Jakob Munkholt Christensen, Anna Katerinopoulou, Ramchandra R. Tiruvalam, Caroline Piper, John Bøgild Hansen, Anker Degn Jensen

Sr-MAO2 captures silicon under SOEC-relevant conditions through the formation of Sr–Al–Si phases. The measured Si uptake of 1.66 wt% indicates the potential of Sr-based guards to reduce silicon contamination before it reaches the electrolysis stack.

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