Tailoring the stability of Ni-Fe/mayenite in methane – Carbon dioxide reforming

[Display omitted] •A highly efficient and stable Ni-Fe/mayenite catalyst for dry reforming of methane.•Fe and mayenite improve the carbon-resistance of Ni based catalysts.•Mayenite could act as oxygen species transferring framework.•7.5%Ni-0.1Fe/mayenite has the best catalytic activity and stability...

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