Ultrafine oxygen-defective iridium oxide nanoclusters for efficient and durable water oxidation at high current densities in acidic media

Abstract

Ultrafine IrO<italic>x</italic> nanoclusters are immobilized on a hydrothermally treated high-surface-area titanium current collector <italic>via</italic> a simple and cost-effective approach, showing outstanding performance for the oxygen evolution reaction at high current densities in acidic media.