A replacement strategy for regulating local environment of single-atom Co-SxN4−x catalysts to facilitate CO2 electroreduction

Pei, Jiajing; Shang, Huishan; Mao, Junjie; Chen, Zhe; Sui, Rui; Zhang, Xuejiang; Zhou, Danni; Wang, Yu; Zhang, Fang; Zhu, Wei; Wang, Tao; Chen, Wenxing; Zhuang, Zhongbin

doi:10.1038/s41467-023-44652-7

articleNature CommunicationsJan 10, 2024GOLD OA

A replacement strategy for regulating local environment of single-atom Co-SxN4−x catalysts to facilitate CO2 electroreduction

JPJiajing Pei HSHuishan Shang JMJunjie Mao ZCZhe Chen RSRui Sui

Beijing University of Chemical Technology · Beijing Institute of Technology · +4 more institutions

PubMed

Indexed incrossrefdoajpubmed

Abstract

Abstract The performances of single-atom catalysts are governed by their local coordination environments. Here, a thermal replacement strategy is developed for the synthesis of single-atom catalysts with precisely controlled and adjustable local coordination environments. A series of Co-S x N 4−x ( x = 0, 1, 2, 3) single-atom catalysts are successfully synthesized by thermally replacing coordinated N with S at elevated temperature, and a volcano relationship between coordinations and catalytic performances toward electrochemical CO 2 reduction is observed. The Co-S 1 N 3 catalyst has the balanced COOH*and CO* bindings, and thus locates at the apex of the volcano with the highest performance toward…

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Topics

Keywords

Catalysis
Overpotential
Atom (system on chip)
Electrochemistry
Materials science
Faraday efficiency
Work (physics)
Chemistry

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