Synergistic LaCoO 3 @Co 3 O 4 bifunctional catalyst for efficient oxygen evolution and reduction: achieving low polarization

Key Points

• To investigate the performance of LaCoO3 @Co3O4 composite catalyst in oxygen reactions.
• Developed a LaCoO3 @Co3O4 composite catalyst.
• Analyzed interfacial lattice defects and electronic states.
• Measured the potential gap during oxygen evolution and reduction activities.
• Achieved a low potential gap of 1.14 V.
• Enhanced bifunctional activity for oxygen evolution and reduction.
• Improved efficiency due to optimized electronic states.