Phosphorus-induced Electronic Coupling between Fe Single Atoms and Fe₂O₃ Nanoparticles on Biomass-Derived Carbon for Efficient Oxygen Reduction

Key Points

• This research aims to enhance the activity and stability of non-noble metal catalysts for the oxygen reduction reaction.
• Developed a phosphorus-induced electronic coupling strategy.
• Utilized iron single atoms and Fe₂O₃ nanoparticles on biomass-derived carbon.
• Tested the efficacy of the resulting catalysts in oxygen reduction.
• Achieved significant improvement in catalyst activity and stability for the oxygen reduction reaction.
• Established that phosphorus plays a critical role in enhancing electronic coupling between components.