New Catalyst Builds Proton Highways to Tackle Green Ammonia Synthesis Hurdle

Over a century after the Haber-Bosch process revolutionized fertilizer production and averted global food shortages, its environmental cost has become untenable. The method, which synthesizes ammonia (NH₃) through a two-step reaction, still consumes about 1% of global energy and accounts for more than 1% of annual human-caused CO₂ emissions. As industries seek greener alternatives, a major obstacle has been the slow movement of protons during electrochemical ammonia synthesis. Now, researchers have developed a new catalyst that constructs efficient 'proton highways,' dramatically improving proton transport and reaction efficiency. This breakthrough addresses a long-standing challenge in green ammonia production, potentially reducing energy use and carbon emissions. If scaled, the catalyst could help decarbonize fertilizer manufacturing and support sustainable agriculture, marking a significant step toward net-zero chemical processes.