Raymond Taziwa

What the Overpotential Does Not Tell You: Diagnosing Non-Comparability Across Hydrogen and Oxygen Evolution Benchmarking Metrics

Overpotential at 10 mA cm−2 (η10) is the default benchmark for hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) electrocatalysts, but the number is rarely comparable across studies. This Perspective identifies six measurement and reporting stages, from synthe...