articleNature CommunicationsApr 29, 2024GOLD OA

Efficient tandem electroreduction of nitrate into ammonia through coupling Cu single atoms with adjacent Co3O4

YLYan LiuJWJie WeiZYZhengwu YangLZLirong ZhengJZJiankang Zhao

University of Science and Technology of China · Hefei National Center for Physical Sciences at Nanoscale · +4 more institutions

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Abstract

Abstract The nitrate (NO 3 − ) electroreduction into ammonia (NH 3 ) represents a promising approach for sustainable NH 3 synthesis. However, the variation of adsorption configurations renders great difficulties in the simultaneous optimization of binding energy for the intermediates. Though the extensively reported Cu-based electrocatalysts benefit NO 3 − adsorption, one of the key issues lies in the accumulation of nitrite (NO 2 − ) due to its weak adsorption, resulting in the rapid deactivation of catalysts and sluggish kinetics of subsequent hydrogenation steps. Here we report a tandem electrocatalyst by combining Cu single atoms catalysts with adjacent Co 3 O 4 nanosheets to boost the electroreduction of…

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Authors

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Topics & keywords

Topics
Keywords
  • Adsorption
  • Catalysis
  • Tandem
  • Electrocatalyst
  • Ammonia
  • Chemistry
  • Nitrite
  • Electrochemistry
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