CARBON-BASED CATALYSTS FOR OXYGEN REDUCTION REACTIONS

摘要

In some embodiments, the present disclosure pertains to catalysts for mediating oxygen reduction reactions, such as the conversion of oxygen to at least one of H2O, H2O2, O2 -, OH-, and combinations thereof. In some embodiments, the present disclosure pertains to methods of utilizing the catalysts to mediate oxygen reduction reactions. In some embodiments, the catalyst includes a carbon source and a dopant associated with the carbon source. In some embodiments, the catalyst has a three-dimensional structure, a density ranging from about 1 mg/cm3 to about 10 mg/cm3, and a surface area ranging from about 100 m2/g to about 1,000 m2/g. In some embodiments, the carbon source includes graphene nanoribbons, and the dopant includes boron- nitrogen heteroatoms. In some embodiments, the dopant is covalently associated with the edges of the carbon source. Additional embodiments of the present disclosure pertain to methods of making the aforementioned catalysts.