Enhancing Hydrogen Peroxide Synthesis through Coordination Engineering of Single-Atom Catalysts in the Oxygen Reduction Reaction: A Review

Huawei He, Jiatang Wang, Jiawei Shi, Jing Li () and Weiwei Cai ()
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Huawei He: Hydrogen Energy Technology Innovation Center of Hubei Province, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
Jiatang Wang: Hydrogen Energy Technology Innovation Center of Hubei Province, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
Jiawei Shi: Hydrogen Energy Technology Innovation Center of Hubei Province, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
Jing Li: Hydrogen Energy Technology Innovation Center of Hubei Province, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
Weiwei Cai: Hydrogen Energy Technology Innovation Center of Hubei Province, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China

Energies, 2023, vol. 16, issue 18, 1-16

Abstract: Hydrogen peroxide (H 2 O 2 ) is an important chemical with a diverse array of applications. However, the existing scenario of centralized high-concentration production is in contrast with the demand for low-concentration decentralized production. In this context, the on-site green and efficient two-electron oxygen reduction reaction (ORR) for H 2 O 2 production has developed into a promising synthetic approach. The development of low-cost, highly active, and durable advanced catalysts is the core requirement for realizing this approach. In recent years, single-atom catalysts (SACs) have become a research hotspot owing to their maximum atom utilization efficiency, tunable electronic structure, and exceptional catalytic performance. The coordination engineering of SACs is one of the key strategies to unlock their full potential for electrocatalytic H 2 O 2 synthesis and holds significant research value. Despite considerable efforts, precisely controlling the electronic structure of active sites in SACs remains challenging. Therefore, this review summarizes the latest progress in coordination engineering strategies for SACs, aiming to elucidate the relevance between structure and performance. Our goal is to provide valuable guidance and insights to aid in the design and development of high-performance SACs for electrocatalytic H 2 O 2 synthesis.

Keywords: electrocatalysis; hydrogen peroxide; two-electron oxygen reduction reaction; coordination engineering; single-atom catalysts (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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