KIER Develops Cheaper Green Hydrogen Electrode

Researchers at the Korea Institute of Energy Research developed a nickel-cobalt electrode that slashes green hydrogen production costs by 99% compared to noble-metal options. The device achieves 40% of the overpotential of platinum electrodes and maintains stability after 600 cycles. Published in Advanced Science in 2026, the study validates scaling to 5,000 cm² for megawatt-scale systems.