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Vol. 15 (2023)

Advances on Axial Coordination Design of Single-Atom Catalysts for Energy Electrocatalysis: A Review

https://doi.org/10.1007/s40820-023-01196-1
Linjie Zhang
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, People’s Republic of China
Na Jin
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, People’s Republic of China
Yibing Yang
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, People’s Republic of China
Xiao‑Yong Miao
State Key Laboratory of ASIC and System, Shanghai Institute of Intelligent Electronics and Systems, School of Microelectronics, Fudan University, Shanghai 200433, People’s Republic of China
Hua Wang
ShenSi Lab, Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Shenzhen 518110, People’s Republic of China
Jun Luo
ShenSi Lab, Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Shenzhen 518110, People’s Republic of China
Lili Han
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, People’s Republic of China

Corresponding Author: Lili Han

llhan@fjirsm.ac.cn

Nano-Micro Letters, Vol. 15 (2023), Article Number: 228

Abstract

Single-atom catalysts (SACs) have garnered increasingly growing attention in renewable energy scenarios, especially in electrocatalysis due to their unique high efficiency of atom utilization and flexible electronic structure adjustability. The intensive efforts towards the rational design and synthesis of SACs with versatile local configurations have significantly accelerated the development of efficient and sustainable electrocatalysts for a wide range of electrochemical applications. As an emergent coordination avenue, intentionally breaking the planar symmetry of SACs by adding ligands in the axial direction of metal single atoms offers a novel approach for the tuning of both geometric and electronic structures, thereby enhancing electrocatalytic performance at active sites. In this review, we briefly outline the burgeoning research topic of axially coordinated SACs and provide a comprehensive summary of the recent advances in their synthetic strategies and electrocatalytic applications. Besides, the challenges and outlooks in this research field have also been emphasized. The present review provides an in-depth and comprehensive understanding of the axial coordination design of SACs, which could bring new perspectives and solutions for fine regulation of the electronic structures of SACs catering to high-performing energy electrocatalysis.


Highlights:
1 The burgeoning research topic of axially coordinated single-atom catalysts (SACs) is briefly outlined in this review.
2 A comprehensive summary of the recent advances on synthetic strategies and electrocatalytic applications of axially coordinated SACs is provided.
3 The challenges and outlooks for future axially coordinated SACs study have been emphasized.

Keywords

Single-atom catalyst Axial coordination Synthetic strategy Electrocatalytic application
Zhang, Linjie, Na Jin, Yibing Yang, Xiao‑Yong Miao, Hua Wang, Jun Luo, and Lili Han. 2023. “Advances on Axial Coordination Design of Single-Atom Catalysts for Energy Electrocatalysis: A Review”. Nano-Micro Letters 15 (October):228. https://doi.org/10.1007/s40820-023-01196-1.
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