Microenvironment Modulation of Single Iron Site in Oxygen Reduction Reaction Revealed by Molecular Model Catalysts.

Zhiqiang Zhang¹, Tiantian Huang¹, Junqi Song², Haozhe Dong¹, Pingsen Shi³, Lan Peng², Yan Li¹, Xiaoqian He¹, Aiwen Lei^1,3, Hong Yi¹

¹The Institute for Advanced Studies (IAS), State Key Laboratory of Power Grid Environmental Protection, Wuhan University, Wuhan, Hubei, P. R. China.

²Technology Institute, National Engineering Laboratory For Advanced Yarn and Fabric Formation and Clean Production, Wuhan Textile University, Wuhan, Hubei, P. R. China.

³College of Chemistry and Molecular Science, Wuhan University, Wuhan, Hubei, P. R. China.

PubMed DOI

Abstract

Precise regulation of the coordination environment in iron-based single-site catalysts (Fe SSCs) is essential for promoting the two-electron oxygen reduction reaction (2e- ORR) toward efficient hydrogen peroxide production. However, the atomic-scale relationship between coordination structure and reaction pathway remains insufficiently understood. In this work, a series of iron molecular catalysts…

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