As a versatile and environmentally friendly chemical, hydrogen peroxide (H2O2) is in high demand.
Focus on the recent progress in 2e− ORR catalysts, in situ characterization methods, and novel coupled application strategies of in situ electrochemical H2O2 synthesis.
Recent progress made in Co-based electrocatalysts for selective four-electron (4e−) and two-electron (2e−) electrocatalytic oxygen reduction reactions is reviewed.
Recent achievements in H2O2 electrosynthesis are reviewed, including electrocatalyst design, electrode optimization, electrolyte engineering, reactor exploration, potential applications, and integrated systems.
This review highlights the key aspects in cell design from electrode to configuration for H2O2 electrosynthesis, and the integration of H2O2 electrosynthesis in tandem systems for high-value chemical production.