Molecularly engineered Mn N4 sites on hierarchical carbons as pH-universal oxygen reduction electrocatalysts for high-energy zinc-air battery

Key Points

• The engineered Mn N4 sites show excellent electrocatalytic activity for oxygen reduction, indicating their potential as universal catalysts.
• Impressive performance metrics include a significant increase in energy efficiency compared to conventional catalysts in zinc-air batteries.
• Assessment involved detailed measurements of catalytic activity across varying pH levels, showcasing the stability and effectiveness of the materials.
• Findings support potential advancements in energy storage technologies, promoting broader applications for rechargeable batteries.