Research Progress Of Asymmetrically Coordinated Single-atom ...

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From the journal:

Journal of Materials Chemistry A

Research progress of asymmetrically coordinated single-atom catalysts for electrocatalytic reactions

Wenjing Xu,a Hao Tang,a Hongfei Gu,a Hongyan Xi,b Pengfei Wu,b Benliang Liang,*c Qingqing Liu*b and Wenxing Chen *a Author affiliations

* Corresponding authors

a Energy & Catalysis Center, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China E-mail: [email protected]

b School of Chemistry, Beihang University, Beijing 100191, China E-mail: [email protected]

c School of Physical Science and Engineering, Beijing Jiaotong University, Beijing 100044, China E-mail: [email protected]

Abstract

Energy has increasingly become the material basis for the development of human society and occupies a strategic position in the national economy. Single-atom catalysts (SACs) are widely recognized as promising catalysts in the chemical and energy industries. Therefore, it is of great practical significance to develop SACs with ideal intrinsic activity, high stability, and low cost. Compared with traditional M–N4 active sites, metal–nitrogen–carbon (M–N–C) catalysts with asymmetric coordination structures have been rapidly developed in the field of catalysis. This could be attributed to their unique electronic and geometric structures, making asymmetric coordination a novel and attractive strategy. In this paper, several typical asymmetric M–N–C SACs are summarized, namely asymmetric M–Nx SACs, asymmetric M–Nx–O/S/P/B/Cl/I SACs and asymmetric M–M SACs. The research development and application of these advanced catalysts in electrocatalytic reactions such as the oxygen reduction reaction (ORR), CO2 reduction reaction (CO2RR), hydrogen evolution reaction (HER), oxygen evolution reaction (OER) and nitrogen reduction reaction (NRR) are systematically illustrated.

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Article information

DOI https://doi.org/10.1039/D2TA03034A Article type Review Article Submitted 15 Apr 2022 Accepted 15 Jun 2022 First published 15 Jun 2022

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J. Mater. Chem. A, 2022,10, 14732-14746 BibTex EndNote MEDLINE ProCite ReferenceManager RefWorks RIS

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Research progress of asymmetrically coordinated single-atom catalysts for electrocatalytic reactions

W. Xu, H. Tang, H. Gu, H. Xi, P. Wu, B. Liang, Q. Liu and W. Chen, J. Mater. Chem. A, 2022, 10, 14732 DOI: 10.1039/D2TA03034A

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Wenjing Xu Hao Tang Hongfei Gu Hongyan Xi Pengfei Wu Benliang Liang Qingqing Liu Wenxing Chen

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