Symmetry-Broken FeN3-O on a Negatively Charged Carbon Host: Dual Modulation of Electronic Structure and Interfacial Field for Robust Oxygen Reduction

Key Points

• The research aims to improve the reaction kinetics of oxygen reduction using Fe-N-C catalysts by modifying their electronic structure and interfacial fields.
• Developed a symmetry-broken FeN3-O structure on a negatively charged carbon host
• Analyzed the electronic structure modulation of the catalyst
• Examined the changes in interfacial fields during the reaction
• Achieved increased reaction kinetics for the oxygen reduction reaction
• Observed improved adsorption energy, enhancing catalyst performance
• Identified optimal conditions for Fe-N-C configurations to support efficient ORR