Modulation of d-d orbital hybridization via creating asymmetrical paired iron sites for oxygen reduction reaction

Key Points

• The research aims to develop a design principle for improving the activity of diatomic catalysts in the oxygen reduction reaction.
• Created asymmetrical paired iron sites to alter local electronic structures.
• Conducted testing on kinetics of the oxygen reduction reaction.
• Analyzed performance metrics of modified catalysts against traditional designs.
• Achieved significant improvement in ORR activity with modified iron sites.
• Demonstrated a reduction in energy barriers for the reaction, indicating enhanced efficiency.
• Showed that the electronic structure modifications led to a faster reaction rate.