Concentrated-solar catalytic methane dry reforming with ultrahigh conversion and durability.

After the introduction of the reaction gases (CH 4 and CO 2 ), CH 4 will be preferentially adsorbed on Ni/CeO 2 and consume part of the surface oxygen, so the oxygen vacancy concentration shows an increasing trend over Ni 1 /CeO 2 (110), Ni 1 /CeO 2 (111), and Ni 1 /CeO 2 (100) catalysts.

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The results of concentrated-solar catalytic DRM showed that as the crystallinity increased, the catalytic performance showed a decreasing trend (the conversion of CH 4 and CO 2 over Ni/CeO 2 (100)-700 °C catalyst were 6.8% and 17.2%, respectively, and over Ni/CeO 2 (100)-800 °C catalyst were 2.5% and 4.1% (Supplementary Fig.

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