4.6 Article

Synthetic strategies of single-atoms catalysts and applications in electrocatalysis

期刊

ELECTROCHIMICA ACTA
卷 409, 期 -, 页码 -

出版社

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2022.139835

关键词

Electrocatalysis; Single-atom catalyst; Non-precious single-atom electrocatalyst; Characterization; Strong metal-support interaction

资金

  1. National Key Research and Development Program of China [2020YFB150580 0, 2019YFA0705400]
  2. National Natural Science Foundation of China (NSFC) [21925404, 21775127, 22021001]
  3. Fundamental Research Funds for the Central Universities [20720210069]

向作者/读者索取更多资源

This paper reviews the research progress of single-atom electrocatalysts in multiple energy conversion reactions. It discusses the synthesis methods, control of metal sites, and electrocatalysis applications. The challenges and future directions for nonprecious-metal single-atom electrocatalysts are identified.
Developing electrocatalysts with single atoms as active centers is highly expected based on their maxi-mum efficiency in utilization of atoms as well as the possession of unique electronic characteristics. In this paper, the research progress of single-atom electrocatalysts on multiple energy conversion reactions over recent years is reviewed. The discussion begins with a background on the various types of single -atom electrocatalysts (SAECs). The paper then conducts a review of synthetic methods that use the latest microscopic and spectroscopic techniques to control atom dispersal and atomic decomposition charac-terization of metal sites. In view of the wide application of SAECs, the electrocatalytic study of SAECs was analyzed from the perspective of important electrochemical reactions such as ORR (oxygen reduc-tion reaction), HER (hydrogen evolution reaction), OER (oxygen evolution reaction), CO2RR (carbon (IV) oxide reduction reaction) and NRR (nitrogen reduction reaction). A variety of successful attempts are ex-emplified to describe the catalytic synthetic strategies, characterization, and electrocatalysis applications. Finally, we identify challenges, and suggest future directions for nonprecious-metal SAECs within the bur-geoning sector. (C) 2022 Elsevier Ltd. All rights reserved.

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