Ta-Doped SrCoO3−δ as a promising bifunctional oxygen electrode for reversible solid oxide fuel cells: a focused study on stability

The present work reports a thorough investigation into the structural, thermal, electrical and electrochemical properties of 10 mol% Ta-doped SrCoO_3−δ (denoted as SCT10) as a promising bifunctional oxygen electrode for intermediate-temperature reversible solid oxide fuel cells.