**Kilowatt-scale alkali-cation-free CO<sub>2</sub> electrolysis via accelerating mass transfer**

Nature Communications, Published online: 12 February 2026; doi:10.1038/s41467-026-69175-9Here the authors report a kilowatt-scale, alkali-cation-free CO₂ electrolysis system using high-diffusion-flux gas diffusion electrodes, achieving over 1000 h of stability for efficient CO or C₂H₂ production at industrially relevant current densities.