Synergistic Fe/Ni doping and oxygen vacancy engineering in Co3O4 nanorods for efficient electrocatalytic nitrate reduction to ammonia

Key Points

• Efficient nitrate reduction to ammonia was achieved with Co3O4 nanorods.
• The incorporation of Fe and Ni dopants, along with engineered oxygen vacancies, enhanced catalytic performance.
• Assessment using electrocatalysis methods demonstrated improved activity and selectivity for ammonia synthesis.
• Findings highlight the potential for optimizing cobalt-based catalysts in addressing nitrate pollution.