Boosting the performance of reversible solid oxide electrochemical cells with a novel hybrid oxygen electrode, Pr1.39Ba0.14Sr0.53Co1.48Fe0.76O6−δ-Ba0.66Sr0.34CoO3−δ

Solid oxide electrochemical cells (SOECs) are a promising clean energy technology with the great potential to drive the transition to a sustainable and low-carbon energy future.