Exhaust energy recovery via catalytic ammonia decomposition to hydrogen for low carbon clean vehicles

The work presented here, demonstrates the on-board exhaust assisted catalytic ammonia (NH3) conversion to H2-N2 using either only heat (decomposition) or by direct reaction with part of gas (reforming). resultant mixture from driven thermochemical energy recovery processes contains up 15% more than reactant NH3 (i.e. for 1 kW used in 1.15 H2 is produced). Experimental studies a rhodium-platinum (Rh-Pt) catalyst and equilibrium calculations Chemkin Konnov’s 0.6 Nozari’s reduced mechanisms have revealed that complete occurs at typical gasoline injection (GDI) engine temperatures (450 °C–550 °C). By partially replacing GDI (H2-N2 products, 30% reduction CO2 fuels consumption can be achieved. Additional benefits gained under real operation when pumping losses, due intake dilution gas, are also considered. Furthermore, additional life cycle use as an carrier transportation broader combustion power generation systems.