Atomically Dispersed Fe Motif-based Electrocatalysts for Hydrogen Peroxide Synthesis

Sijin Zuo, Wendan Xue, Yinqiao Zhang, Jianqiu Chen, Zhiqun Lin

Research output: Contribution to journalReview articlepeer-review

1 Scopus citations

Abstract

The cathodic two-electron (2e) oxygen reduction reaction (ORR) has garnered much attention for electrosynthesis of hydrogen peroxide (H2O2). The transition metal single-atom catalysts (SACs) with tunable geometry structure and electron layout have displayed promising potential in this process. Notably, atomically dispersed Fe−based electrocatalysts have been recognized as high-activity yet poor-selectivity catalysts in 2e ORR due to the high binding energy with the intermediates to break the peroxy bond into H2O. In this Concept, we briefly review the Fe SAC in 2e ORR for H2O2 production by introducing their fundamental mechanism, chemical process, experimental advancements, and practical applications. The issues encountered and corresponding suggestions are discussed. The customized and tailored isolated Fe motif could fulfill the high activity, selectivity and stability system for H2O2 synthesis.

Original languageEnglish
Article numbere202300476
JournalChemNanoMat
Volume10
Issue number2
DOIs
StatePublished - Feb 2024

Bibliographical note

Publisher Copyright:
© 2023 Wiley-VCH GmbH.

Keywords

  • atomically dispersed Fe motifs
  • electrocatalysts
  • hydrogen peroxide synthesis
  • single-atom catalysts
  • two-electron (2e) oxygen reduction reaction (ORR)

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