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学者姓名：李沅锦
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Abstract ：
Various exposed facets can cause a huge difference in the catalytic activity. Here we prepared Co3O4 hexagonal nanosheets with exposed {112}, {112}&{111}, and {111} facets for the electrochemical nitrate reduction reactions (NO3RR). The reaction pathways of the NO3RR on Co3O4 {111} and {112} facets are clarified through in situ electrochemical characterizations and theoretical analysis. As the dominating facet of Co3O4 transforms from {112} to {111}, the rate-determining step changes from *NO2 -> *NO2H to *NO3H -> *NO2, with the energy barrier decreasing to 0.48 eV. And the {111} facet promotes the hydrogenation of NOx and NHx intermediates. Notably, the Co3O4-{111} catalyst shows exceptional NO3RR performance, achieving an NH3 yield of 5.73 mg mg(cat.)(-1) h(-1), surpassing the majority of the reported activities.
Keyword ：
ammonia synthesis ammonia synthesis cobalt tetroxide cobalt tetroxide electrochemical nitratereduction electrochemical nitratereduction facet effect facet effect facet transformation engineering facet transformation engineering
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| GB/T 7714 | Lu, Suwei , Lin, Guanting , Yan, Hongping et al. In Situ Facet Transformation Engineering over Co3O4 for Highly Efficient Electroreduction of Nitrate to Ammonia [J]. | ACS CATALYSIS , 2024 , 14 (19) : 14887-14894 . |
| MLA | Lu, Suwei et al. "In Situ Facet Transformation Engineering over Co3O4 for Highly Efficient Electroreduction of Nitrate to Ammonia" . | ACS CATALYSIS 14 . 19 (2024) : 14887-14894 . |
| APA | Lu, Suwei , Lin, Guanting , Yan, Hongping , Li, Yuhang , Qi, Tingting , Li, Yuanjin et al. In Situ Facet Transformation Engineering over Co3O4 for Highly Efficient Electroreduction of Nitrate to Ammonia . | ACS CATALYSIS , 2024 , 14 (19) , 14887-14894 . |
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