Sulfur-Mediated Microenvironment Modulation of High-Density Fe-N4 Sites for High-Efficiency Oxygen Reduction and Cryotolerant Quasi-Solid-State Zinc-Air Batteries
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Single-atom catalysts (SACs) featuring Fe-N4 active sites hold significant potential for the oxygen reduction reaction (ORR). However, achieving high-density Fe-N4 active sites while precisely modulating their microenvironment to enhance ORR activity remains a... ...
