Interfacial electronic reconstruction of cobalt oxide-iridium oxide heterojunctions for efficient and durable acidic oxygen evolution.
The oxygen evolution reaction (OER) under acidic operating conditions is still a major limitation for proton exchange membrane water electrolysis (PEMWE) due to its intrinsically sluggish reaction kinetics. Herein, we report an in situ constructed Co3O4-IrO2 heterojunction catalyst with abundant interfacial sites, wher...