Structural effect of Ni/ZrO2 catalyst on CO2 methanation with enhanced activity

• Published in: Applied catalysis. B, Environmental Vol. 244; pp. 159 - 169
• Main Authors: Jia, Xinyu, Zhang, Xiaoshan, Rui, Ning, Hu, Xue, Liu, Chang-jun
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 05.05.2019; Elsevier BV
• Subjects: Adsorption; Basicity; Carbon dioxide; Catalysis; Catalysts; Catalytic activity; CO2methanation; Conversion; Crystal defects; Crystal structure; Decomposition; Formates; Hydrogen reduction; Hydrogen storage; Hydrogenation; Lattice vacancies; Low temperature; Methanation; Methane; Ni/ZrO2; Nickel; Oxygen; Oxygen vacancy; Plasma; Zirconia; Zirconium dioxide; Plasma; Ni; CO2methanation; Ni/ZrO2; Oxygen vacancy

[Display omitted] •The plasma decomposition leads to significantly improved Ni dispersion.•Ni(111) is the principally exposed facet on the plasma decomposed catalyst.•Oxygen vacancies created with enhanced Ni-ZrO2 interaction promotes CO2 adsorption.•A significantly improved activity is achieved ove...