Journal
NANO RESEARCH
Volume 13, Issue 12, Pages 3206-3211Publisher
TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-020-2988-1
Keywords
CO2 reduction; syngas; binary single-atom catalyst; electrocatalysis
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Funding
- Natural Science Foundation of Tianjin, China [18JCYBJC20600]
- Institute of Energy, Hefei Comprehensive National Science Center [19KZS207]
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A series of carbon-based binary single-atom catalysts of Fe and Ni coordinated by nitrogen are fabricated using a glucose-chelating method. Depending on the Ni/Fe content, they exhibit a wide-range of controllable CO/H-2 ratio from 0.14 to 10.86, which is meaningful to specific chemical processes. The durability of the catalyst is evaluated over an 8-hour period with no significant degradation of activity. The variation of the faradaic efficiency with Ni/Fe content is justified by density-functional-theory based calculation of the reaction barrier in both hydrogen evolution and CO2 reduction reactions.
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