Nanomaterials improve ORR through various mechanisms:
Increased Surface Area: Nanostructured materials offer a higher surface area-to-volume ratio, providing more active sites for the reaction. Enhanced Electronic Properties:Nanoparticles and nanowires can have unique electronic properties that facilitate better electron transfer. Structural Benefits: Nanomaterials can be engineered to have specific shapes, such as nanorods or nanocubes, which can enhance catalytic activity. Composite Materials: Combining different nanomaterials can create synergistic effects that improve ORR performance.
