Detailed Record


Boosting Low-Temperature CO2 Hydrogenation over Ni-based Catalysts by Tuning Strong Metal-Support Interactions


Abstract Rational design of low-cost and efficient transition-metal catalysts for low-temperature CO2 activation is significant and poses great challenges. Herein, a strategy via regulating the local electron density of active sites is developed to boost CO2 methanation that normally requires >350 °C for commercial Ni catalysts. An optimal Ni/ZrO2 catalyst affords an excellent low-temperature performance hitherto, with a CO2 conversion of 84.0 %, CH4 selectivity of 98.6 % even at 230 °C and GHSV of 12,000 mL g-1 h-1 for 106 h, reflecting one of the best CO2 methanation performance to date on Ni-based catalysts. Combined a series of in situ spectroscopic characterization studies reveal that re-constructing monoclinic-ZrO2 supported Ni species with abundant oxygen vacancies can facilitate CO2 activation, owing to the enhanced local electron density of Ni induced by the strong metal-support interactions. These findings might be of great aid for construction of robust catalysts with an enhanced performance for CO2 emission abatement and beyond.
Authors Run‐Ping Ye ORCID , Li Ma ORCID , Xiaoling Hong ORCID , Tomás Ramı́rez Reina ORCID , Wenhao Luo ORCID , Liqun Kang ORCID , Gang Feng ORCID , Rongbin Zhang , Maohong Fan University of WyomingORCID , Riguang Zhang ORCID , Jian Liu ORCID
Journal Info Wiley | Angewandte Chemie , vol: 63 , iss: 3
Publication Date 12/8/2023
ISSN 1433-7851
TypeKeyword Image article
Open Access hybrid Hybrid Access
DOI https://doi.org/10.1002/anie.202317669
KeywordsKeyword Image CO2 Conversion (Score: 0.589515) , Methane Activation (Score: 0.569598) , Homogeneous Catalysts (Score: 0.524579) , NOx Reduction (Score: 0.521898) , Hydrogenation (Score: 0.504812)