Typical ORR polarization curve.

a HOR polarization curve (the H 2 -saturated solution) and b ORR

Typical ORR polarization curve showing the definitions of the onset

Typical ORR polarization curve. Reprinted with permission from [39].

MOF/PCP-based Electrocatalysts for the Oxygen Reduction Reaction

Typical ORR polarization curve.

Engineering Fe–Fe3C@Fe–N–C Active Sites and Hybrid Structures from Dual Metal–Organic Frameworks for Oxygen Reduction Reaction in H2–O2 Fuel Cell and Li–O2 Battery - Wang - 2019 - Advanced Functional Materials - Wiley

a HOR polarization curve (the H 2 -saturated solution) and b ORR

Nanomaterials, Free Full-Text

Engineering Fe–Fe3C@Fe–N–C Active Sites and Hybrid Structures from Dual Metal–Organic Frameworks for Oxygen Reduction Reaction in H2–O2 Fuel Cell and Li–O2 Battery - Wang - 2019 - Advanced Functional Materials - Wiley