Facile Cr3+-Doping Strategy Dramatically Promoting Ru/CeO2 for Low-Temperature CO2 Methanation: Unraveling the Roles of Surface Oxygen Vacancies and Hydroxyl Groups

ACS Catalysis ◽  
2021 ◽  
pp. 5762-5775
Author(s):  
Xianglan Xu ◽  
Li Liu ◽  
Yunyan Tong ◽  
Xiuzhong Fang ◽  
Junwei Xu ◽  
...  
Keyword(s):  
Low Temperature ◽  
Oxygen Vacancies ◽  
Hydroxyl Groups ◽  
Surface Oxygen ◽  
Co2 Methanation

Fabrication of surface oxygen vacancies on NiMnAl-LDO catalyst by high-shear mixer-assisted preparation for low-temperature CO2 methanation

Fuel ◽  
2022 ◽  
Vol 309 ◽  
pp. 122099
Author(s):  
Junming Zeng ◽  
Yongkang Sun ◽  
Jie Zhang ◽  
Zhouxin Chang ◽  
Jun Yang ◽  
...  
Keyword(s):  
Low Temperature ◽  
Oxygen Vacancies ◽  
High Shear ◽  
Surface Oxygen ◽  
Co2 Methanation

Altering the influence of ceria oxygen vacancies in Ni/CexSiyO2 for photothermal CO2 methanation

2021 ◽  
Author(s):  
Salina Jantarang ◽  
Emma Catherine Lovell ◽  
Tze Hao Tan ◽  
Bingqiao Xie ◽  
Jason Scott ◽  
...  
Keyword(s):  
Oxygen Vacancies ◽  
Surface Oxygen ◽  
Co2 Methanation

While the benefit of CeO2 surface oxygen vacancies for CO2 methanation¬ is well established, their role under photothermal conditions has not been probed in depth. In this work, SiO2 was...

scholarly journals Low temperature CO oxidation catalysed by flower-like Ni–Co–O: how physicochemical properties influence catalytic performance

RSC Advances ◽  
2018 ◽  
Vol 8 (13) ◽  
pp. 7110-7122 ◽  
Author(s):  
Yunan Yi ◽  
Pan Zhang ◽  
Zuzeng Qin ◽  
Chuxuan Yu ◽  
Wei Li ◽  
...  
Keyword(s):  
Low Temperature ◽  
Physicochemical Properties ◽  
Co Oxidation ◽  
Oxygen Vacancies ◽  
Catalytic Performance ◽  
Surface Oxygen ◽  
High Concentration ◽  
Highly Dispersed ◽  
Low Temperature Co Oxidation

The flower-like catalyst possesses highly dispersed amorphous NiO and a high concentration of surface oxygen vacancies which are the central points for CO oxidation.

scholarly journals Ni nanocatalysts supported on mesoporous Al2O3–CeO2 for CO2 methanation at low temperature

RSC Advances ◽  
2020 ◽  
Vol 10 (4) ◽  
pp. 2067-2072 ◽  
Author(s):  
Yushan Wu ◽  
Jianghui Lin ◽  
Guangyuan Ma ◽  
Yanfei Xu ◽  
Jianli Zhang ◽  
...  
Keyword(s):  
Low Temperature ◽  
Oxygen Vacancies ◽  
Metallic Nickel ◽  
Co2 Methanation ◽  
Composite Catalysts

The addition of CeO2 to form Ni composite catalysts increased the oxygen vacancies and active metallic nickel sites thus improving the low temperature CO2 methanation performance.

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