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Review
. 2024 Dec 20;63(52):e202414417.
doi: 10.1002/anie.202414417. Epub 2024 Nov 6.

Pairing Oxygen Reduction and Water Oxidation for Dual-Pathway H2O2 Production

Xin Sun  1 , Jindi Yang  1 , Xiangkang Zeng  1 , Lijun Guo  1   2 , Chuanbiao Bie  3 , Zhuyuan Wang  1 , Kaige Sun  1 , Aloka Kumar Sahu  1 , Mike Tebyetekerwa  1 , Thomas E Rufford  1   4 , Xiwang Zhang  1   4
Affiliations
Review

Pairing Oxygen Reduction and Water Oxidation for Dual-Pathway H2O2 Production

Xin Sun et al. Angew Chem Int Ed Engl. .

Abstract

Hydrogen peroxide (H2O2) is a crucial chemical applied in various industry sectors. However, the current industrial anthraquinone process for H2O2 synthesis is carbon-intensive. With sunlight and renewable electricity as energy inputs, photocatalysis and electrocatalysis have great potential for green H2O2 production from oxygen (O2) and water (H2O). Herein, we review the advances in pairing two-electron O2 reduction and two-electron H2O oxidation reactions for dual-pathway H2O2 synthesis. The basic principles, paired redox reactions, and catalytic device configurations are introduced initially. Aligning with the energy input, the latest photocatalysts, electrocatalysts, and photo-electrocatalysts for dual-pathway H2O2 production are discussed afterward. Finally, we outlook the research opportunities in the future. This minireview aims to provide insights and guidelines for the broad community who are interested in catalyst design and innovative technology for on-site H2O2 synthesis.

Keywords: dual pathways; hydrogen peroxide; oxygen reduction; paired redox catalysis; water oxidation.

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References

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