RT Journal Article
T1 YBaCuO-type perovskites as potential air electrodes for SOFCs. The case of YSr2Cu2FeO7+δ
A1 López Paz, Sara Almudena
A1 Marín Gamero, Rafael
A1 Martínez de Irujo Labalde, Xabier
A1 Sánchez Marcos, Jorge
A1 Perez Coll, Domingo
A1 Alario y Franco, Miguel Ángel
A1 García Martín, Susana
AB The electrochemical properties of YSr2Cu2FeO7+d with YBaCuO-type structure have been studied. The temperature dependent oxygen content of this oxide has a marked influence on its p-type conducting behavior, since topochemical oxygen release occurs on heating above 673 K while reversible oxygen uptake takes place on cooling. Mixed valence Fe3+/Fe4+ and Cu2+/Cu3+ in combination with anion vacancies within the oxygen-sublattice suggest mixed (electronic and ionic) conductivity in this oxide. Electrochemical measurements indicate that YSr2Cu2FeO7+d shows high oxygen reduction reaction activity at intermediate temperatures, revealing its potential applications as an air electrode in SOFCs.
PB RSC Publishing
SN 2050-7496
YR 2021
FD 2021
LK https://hdl.handle.net/20.500.14352/92116
UL https://hdl.handle.net/20.500.14352/92116
LA eng
NO López-Paz, Sara A., et al. «YBaCuO-Type Perovskites as Potential Air Electrodes for SOFCs. The Case of YSr 2 Cu 2 FeO 7+δ». Journal of Materials Chemistry A, vol. 9, n.o 13, 2021, pp. 8554-60. https://doi.org/10.1039/D1TA00111F.
NO European Commission
DS Docta Complutense
RD 7 abr 2025