Hierarchical NMO@NiFeP reconstructed by step-current electrolysis for durable oxygen evolution in alkaline freshwater and seawater

Key Points

• The aim is to develop a durable and efficient catalyst for oxygen evolution through electrolysis.
• Step-current electrolysis used for in situ reconstruction of NMO@NiFeP.
• Focus on balancing active site exposure and structural integrity.
• Evaluation of performance in both freshwater and seawater environments.
• Demonstrated high-performance oxygen evolution in alkaline solutions.
• Showed significant corrosion resistance compared to standard catalysts.
• Achieved optimized structure with enhanced active sites.