Electrocatalytic Hydrogen Peroxide Production: Advances, Challenges, and Future Perspectives

Electrocatalytic hydrogen peroxide (H 2 O 2 ) production has attracted considerable interest in recent years as an eco‐friendly and sustainable oxidizing agent. Its versatile applications span environmental protection, energy conversion, and chemical synthesis. Traditional industrial methods for H 2 O 2 production, primarily based on the anthraquinone process, are highly complex and energy‐demanding. In contrast, electrocatalysis provides a simpler and more environmentally friendly alternative. This review summarizes recent advancements in electrocatalytic H 2 O 2 production, focusing on catalyst material selection and optimization, reaction mechanisms, operating conditions, and related progress. Initially, the applications and market status of H 2 O 2 are presented, followed by an analysis of the advantages and disadvantages of various production methods. Next, the electrocatalytic oxygen reduction reaction mechanism and activity indicators are discussed, along with a summary of the research progress in electrosynthesis reactors for H 2 O 2 production. The performance of various catalysts, including carbon‐based, precious metal, nonprecious metal, and metal–macrocycle complex catalysts, is evaluated. Finally, challenges and future research directions in electrocatalytic H 2 O 2 production are outlined, emphasizing the need to enhance catalytic efficiency, reaction stability, and reduce catalyst costs. With continued optimization of electrocatalytic systems, electrocatalytic H 2 O 2 production is positioned to emerge as a key pathway for sustainable chemical manufacturing in the future.

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