Fig. 3From: One-Step Solvothermal Synthesis of Ni Nanoparticle Catalysts Embedded in ZrO2 Porous Spheres to Suppress Carbon Deposition in Low-Temperature Dry Reforming of MethaneSEM, TEM, and STEM/EDX images of as-prepared Ni catalysts embedded in small ZrO2-based supports and TEM images of them after hydrogen reduction: a S-Ni@ZrO2, b S-Ni@SiO2-ZrO2, c S-Ni@MgO-ZrO2, and d L-Ni@Y2O3-ZrO2Back to article page