Novel Catalytic Systems for Hydrogen Production via the Water-Gas Shift Reaction

Figure 1

Powder XRD patterns of Ce_1−𝑥La_𝑥O_2−𝛿 (𝑥=0.0,0.2,0.5,0.8) solids following calcination in air at 600°C for 10 h. (a) CeO₂, (b) Ce_0.8La_0.2O_2−𝛿, (c) Ce_0.5La_0.5O_2−𝛿, and (d) Ce_0.2La_0.8O_2−𝛿. Ce_1−𝑥La_𝑥O_2−𝛿 solid solution: ★, CeO₂: ■.