What question did this study set out to answer?

Rational Electronic Regulation and Surface Reconstruction in Fe‐Doped La 0.5 Ba 0.5 CoO 3–δ Perovskite for High‐Current‐Density Hydrogen Evolution Reaction and Efficient Oxygen Evolution Reaction

View Full Paper

Ask AI

Bookmark

Authors

Demonstrates enhanced hydrogen and oxygen evolution in perovskite catalysts, indicating significant stability and efficiency improvements.

This research investigates the role of electronic regulation and surface reconstruction in perovskite catalysts for water splitting.
Synthesis of Fe-doped La 0.5 Ba 0.5 CoO 3–δ perovskites via sol-gel method
Optimization of composition to La 0.5 Ba 0.5 Co 0.6 Fe 0.4 O 3–δ
Evaluation of hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) performance
LBCF 0.4 exhibits significantly enhanced HER and OER activity; 42% lower overpotential for OER compared to LBC
Demonstrated remarkable stability for over 2000 hours at high current density (500 mA cm−2)
Surface reconstruction led to formation of Co-rich active sites, boosting overall performance

Yang et al. (2025) studied this question.

View Full Paper

Ask AI

Bookmark

Demonstrates enhanced hydrogen and oxygen evolution in perovskite catalysts, indicating significant stability and efficiency improvements.