Engineering CoO/Co3O4 Heterostructures Coupled with Adjacent Fe Single Atoms to Boost Tandem Electrocatalytic Nitrate Reduction for High-Efficiency Ammonia Production

Key Points

• The research aims to enhance ammonia production efficiency through electrocatalytic nitrate reduction by using CoO/Co3O4 and adjacent Fe single atoms.
• Developed CoO/Co3O4 heterostructures coupled with Fe single atoms for electrocatalytic applications.
• Assessed different adsorption configurations of nitrate and nitrite intermediates to optimize reaction pathways.
• Evaluated the electrocatalytic activity and efficiency of the engineered structures in ammonia production.
• Observed significant improvements in nitrate reduction rates with the engineered heterostructures.
• Demonstrated enhanced ammonia production efficiency compared to traditional methods.
• Highlighted the crucial role of Fe single atoms in influencing electrocatalytic performance.