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Abstract Hydrogen peroxide (H 2 O 2 ) is a crucial chemical applied in various industry sectors. However, the current industrial anthraquinone process for H 2 O 2 synthesis is carbon‐intensive. With sunlight and renewable electricity as energy inputs, photocatalysis and electrocatalysis have great potential for green H 2 O 2 production from oxygen (O 2 ) and water (H 2 O). Herein, we review the advances in pairing two‐electron O 2 reduction and two‐electron H 2 O oxidation reactions for dual‐pathway H 2 O 2 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 H 2 O 2 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 H 2 O 2 synthesis.
Sun et al. (Mon,) studied this question.
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