期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 59, 期 50, 页码 22465-22469出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202010903
关键词
CO(2)electroreduction reaction; formate; indium; single-atom catalysts; main group elements
资金
- National Natural Science Foundation of China [51631001, 21801015, 51872030, 21643003, 51702016, 51501010, 21703219, 21890383, 21671117, 21871159]
- Beijing Institute of Technology Research Fund Program for Young Scholars [3090012221909]
- Fundamental Research Funds for the Central Universities
- National Key R&D Program of China [2018YFA0702003]
- Science and Technology Key Project of Guangdong Province of China [2020B010188002]
Main-group element indium (In) is a promising electrocatalyst which triggers CO(2)reduction to formate, while the high overpotential and low Faradaic efficiency (FE) hinder its practical application. Herein, we rationally design a new In single-atom catalyst containing exclusive isolated In delta+-N(4)atomic interface sites for CO(2)electroreduction to formate with high efficiency. This catalyst exhibits an extremely large turnover frequency (TOF) up to 12500 h(-1)at -0.95 V versus the reversible hydrogen electrode (RHE), with a FE for formate of 96 % and current density of 8.87 mA cm(-2)at low potential of -0.65 V versus RHE. Our findings present a feasible strategy for the accurate regulation of main-group indium catalysts for CO(2)reduction at atomic scale.
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