Research Article

Exsolved Ru on BaCexOy Catalysts for Thermochemical Ammonia Synthesis

Figure 4

NH3 synthesis rate of exsolved catalyst ball milled at 600 rpm for 6 h and 300 rpm for 3 h with respect to (a) reaction temperature change at 30 bars and (a) reaction pressure change at 400°C. EDS maps and high-angle annular dark-field (HAADF) images of catalyst ball milled at (b) 600 rpm for 6 h and (b) 300 rpm for 3 h.