Enhanced Catalytic Performance of Nix-V@HSS Catalysts for the DRM Reaction: the Study of Interfacial Effects on Ni-VOx Structure with a Unique Yolk-Shell Structure
JOURNAL OF CATALYSIS(2021)
Abstract
•Nix-V@HSS catalysts with Ni-VOx structure were used in dry reforming of methane.•Ni9.6-V@HSS catalyst showed the best activity and sintering-/coke-resistance.•Ni-VOx strucure induced acceleration of both CH4 and CO2 activation.•The VOx species promoted CH4 activation by supplying electrons to adjacent Ni sites.•The enhanced CO2 dissociation by more oxygen vacancies resisted coke formation.
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Key words
CO2 reforming of methane,Nix-V@HSS,Ni-VOx interface,Electron-donating,Oxygen vacancy
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