Figure 8.
Characterizations of core–shell catalyst and supported catalyst after dry reforming of methane (CH4) (DRM) reaction at 800°C for 20 h. (a) Transmission electron microscopy (TEM) image of Hollow-NiPt@SiO2, (b) TEM image of Hollow-NiPt/SiO2, (c) Thermogravimetric patterns. Reaction conditions: 800°C, CH4:CO2:N2 = 1:1:1, Gaseous Hourly Space Velocity = 600 h−1.