Issue

Vol. 16 (2024)

Current Status and Perspectives of Dual-Atom Catalysts Towards Sustainable Energy Utilization

https://doi.org/10.1007/s40820-024-01347-y
Yizhe Li
State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
Yajie Li
State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
Hao Sun
State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
Liyao Gao
State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
Xiangrong Jin
State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
Yaping Li
State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
Zhi LV
State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
Lijun Xu
Xinjiang Coal Mine Mechanical and Electrical Engineering Technology Research Center, Xinjiang Institute of Engineering, Ürümqi 830023, Xinjiang Uygur Autonomous Region, People’s Republic of China
Wen Liu
State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
Xiaoming Sun
State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China

Corresponding Author: Xiaoming Sun

sunxm@mail.buct.edu.cn

Nano-Micro Letters, Vol. 16 (2024), Article Number: 139

Abstract

The exploration of sustainable energy utilization requires the implementation of advanced electrochemical devices for efficient energy conversion and storage, which are enabled by the usage of cost-effective, high-performance electrocatalysts. Currently, heterogeneous atomically dispersed catalysts are considered as potential candidates for a wide range of applications. Compared to conventional catalysts, atomically dispersed metal atoms in carbon-based catalysts have more unsaturated coordination sites, quantum size effect, and strong metal–support interactions, resulting in exceptional catalytic activity. Of these, dual-atomic catalysts (DACs) have attracted extensive attention due to the additional synergistic effect between two adjacent metal atoms. DACs have the advantages of full active site exposure, high selectivity, theoretical 100% atom utilization, and the ability to break the scaling relationship of adsorption free energy on active sites. In this review, we summarize recent research advancement of DACs, which includes (1) the comprehensive understanding of the synergy between atomic pairs; (2) the synthesis of DACs; (3) characterization methods, especially aberration-corrected scanning transmission electron microscopy and synchrotron spectroscopy; and (4) electrochemical energy-related applications. The last part focuses on great potential for the electrochemical catalysis of energy-related small molecules, such as oxygen reduction reaction, CO2 reduction reaction, hydrogen evolution reaction, and N2 reduction reaction. The future research challenges and opportunities are also raised in prospective section.


Highlights:
1 The advancement and current status of dual-atom catalysts are reported.
2 The synergistic effects exhibited by recent dual-atom catalysts in mechanistic studies are classified and summarized.
3 Challenges and prospects of dual-atom catalysts in synthesis, characterization, applications, and theory are discussed.

Keywords

Dual-atom catalysts Synergetic effect Electrocatalysis Oxygen reduction reaction CO2 reduction reaction Hydrogen evolution reaction N2 reduction reaction
Li, Yizhe, Yajie Li, Hao Sun, Liyao Gao, Xiangrong Jin, Yaping Li, Zhi LV, Lijun Xu, Wen Liu, and Xiaoming Sun. 2024. “Current Status and Perspectives of Dual-Atom Catalysts Towards Sustainable Energy Utilization”. Nano-Micro Letters 16 (February):139. https://doi.org/10.1007/s40820-024-01347-y.
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