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Review Article | Open Access

Advancements in dual-atom-site catalysts for electrocatalysis

Pan Zhou1,2 , Weidong Ruan3 , Tieli Zhou1 ( ), Jingqi Guan2 ( )
College of Food Science and Engineering, Changchun University, Changchun 130022, China
Institute of Physical Chemistry, College of Chemistry, Jilin University, Changchun 130021, China
State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China
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Abstract

Dual-atom-site catalysts (DASCs) have garnered a lot of interest in the electrocatalysis community because of their atomic usage, stability, activity, and selectivity. This review systematically introduces the latest advancements of DASCs for electrocatalytic applications. Design principles of DASCs are first discussed, including atom-atom, atom-cluster, and atom-particle synergy. Then, rational modulation tactics are creatively proposed to speed up the construction of high-performance DASCs for uncovering structure–performance relationships. Moreover, advanced characterization techniques are provided to show the dynamic evolution of dual-atom sites throughout electrocatalysis. Finally, future challenges and perspectives are taken into account. This paper provides useful directions for a better understanding and design of DASCs for eco-friendly energy storage and conversion technologies.

Graphical Abstract

This review systematically introduces the latest advancements of dual-atom-site catalysts for electrocatalytic oxygen reduction reaction (ORR), hydrogen evolution reaction (HER), oxygen evolution reaction (OER), carbon dioxide reduction reaction (CO2RR), nitrogen reduction reaction (NRR), and nitrate reduction reaction (NO3RR) applications, uncovering structure-performance relationships.

Keywords

dual-atom-site catalystoxygen reduction reactionoxygen evolution reactioncarbon dioxide reduction reactionnitrate reduction reaction

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Nano Research
Volume 19 Issue 1,
January 2026
Article number: 94907996
DOI: 10.26599/NR.2025.94907996

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Cite this article:
Zhou P, Ruan W, Zhou T, et al. Advancements in dual-atom-site catalysts for electrocatalysis. Nano Research, 2026, 19(1): 94907996. https://doi.org/10.26599/NR.2025.94907996
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Received: 19 July 2025
Revised: 23 August 2025
Accepted: 25 August 2025
Published: 25 December 2025
© The Author(s) 2026. Published by Tsinghua University Press.

This is an open access article under the terms of the Creative Commons Attribution 4.0 International License (CC BY 4.0, https://creativecommons.org/licenses/by/4.0/).