Rational Design of Oxygen Species Adsorption on Nonnoble Metal Catalysts for Two‐Electron Oxygen Reduction

Author:

He Chaohui1,Xia Chenfeng1,Li Fu‐Min1,Zhang Jian1,Guo Wei1,Xia Bao Yu1ORCID

Affiliation:

1. Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education) Hubei Key Laboratory of Material Chemistry and Service Failure School of Chemistry and Chemical Engineering Huazhong University of Science and Technology (HUST) 1037 Luoyu Road Wuhan 430074 China

Abstract

AbstractMolecular oxygen can be electrochemically reduced to water via the 4e transfer pathway or hydrogen peroxide via a 2e pathway, which holds significant relevance within energy conversion and chemical synthesis. The specific oxygen reduction reaction (ORR) pathways intricately hinge upon the adsorption configuration and state of oxygen species. Precisely steering the adsorption state of oxygen species at the active sites serves as a crucial guiding principle for the design and preparation of ORR catalysts. This review succinctly summarizes the strategies employed to regulate the adsorption state of oxygen species on nonnoble metal catalyst surfaces, encompassing insights into the adsorption mechanism and state regulation of oxygen intermediates, with a particular focus on the 2e ORR pathway to produce H2O2. Moreover, the persistent challenges that remain in the realm of non‐noble metal oxygen catalysts are pointed out and the prospects for their future development are meticulously evaluated.

Funder

National Key Research and Development Program of China

National Natural Science Foundation of China

China Postdoctoral Science Foundation

Publisher

Wiley

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment

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