100% Conversion of CO2–CH4 with Non-Precious Co@ZnO Catalyst in Hot Water (IMAGE)
Caption
- The combination of solar energy and underground hydrothermal environment supports the sustained and efficient CH4 production from CO2.
- Nanosheets of honeycomb ZnO were formed in-situ on the Co surface, resulting in a new motif (Co@ZnO catalyst) that inhibits Co deactivation through ZnO-assisted CoOx reduction.
- The stabilized Co and interaction between Co and ZnO inhibited unwanted side reaction pathways via CO production, ensuring formic acid formed as an intermediate, leading to 100% CH4 yield.
Credit
Yang Yang, Xu Liu, Daoping He, Fangming Ji.
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CC BY-NC-ND