Electronic metal-support interactions and their promotional effect on CO2 methanation on Ru/ZrO2 catalysts

Shilong Chen,Ali M. Abdel-Mageed,Mengru Li,Sebastian Cisneros,Joachim Bansmann,Jabor Rabeah,Angelika Brueckner,Axel Gross,R. Juergen Behm

Journal of Catalysis（2021）

引用 37|浏览1

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摘要

•Electronic metal-support interactions (EMSIs) promote CO2 methanation on Ru/ZrO2.•Structural effects (SMSI) can be excluded.•EMSIs result from O-vacancy formation at ZrO2 surface and charge transfer to Ru.•Charge transferred to Ru nanoparticles is localized at adjacent interface Ru atoms.•Negatively charged Ru sites stabilize CO adsorption, promoting CO methanation.

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关键词

CO2 methanation,DFT calculation,Electronic metal-support interactions. in situ / operando spectroscopy,Ru/ZrO2

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