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Published on: October 20, 2023
Electrocatalytic Hydrogen Peroxide Production: Advances, Challenges, and Future Perspectives
Zhu Fang1, Chang Peng1, Qiulan Zhou2
1College of Chemistry and Materials Science, Hunan Agricultural University, Hunan, 410128, P. R. China.
Abstract:
Electrocatalytic hydrogen peroxide (H2O2) 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 H2O2 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 H2O2 production, focusing on catalyst material selection and optimization, reaction mechanisms, operating conditions, and related progress. Initially, the applications and market status of H2O2 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 H2O2 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 H2O2 production are outlined, emphasizing the need to enhance catalytic efficiency, reaction stability, and reduce catalyst costs. With continued optimization of electrocatalytic systems, electrocatalytic H2O2 production is positioned to emerge as a key pathway for sustainable chemical manufacturing in the future.
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