Prospect of microfluidic devices for on-site electrochemical production of hydrogen peroxide AITranslate

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DOI：https://doi.org/10.1016/j.coelec.2023.101223

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Highlights • The characteristics of microfluidic devices and its benefits as energy converters for H2O2 electrosynthesis are discussed. • The low cost of microfluidic devices fabrication is an attractive factor for on-site application on H2O2 electrosynthesis. • Due to its compact and flexible design, microfluidic electrochemical flow cells may be coupled with in-line detectors. • The aim of H2O2 electrosynthesis in microreactors is to bring on-site production directly to the consumer. Hydrogen peroxide can be produced electrochemically by selective oxygen reduction reaction or selective water oxidation reaction in various electrolytes. A very promising, sustainable, and efficient method to produce hydrogen peroxide is the so-called electrochemical “lab-on-a-chip” technology, where microfluidic electrochemical flow cells can be used. The main advantage of such a system is “on demand” and “on site” production. If these systems are to be commercialized, suitable electrocatalysts (anode and cathode), sensors, and a device design must be developed and interconnected. Such technology could then eventually be deployed in an industrial environment with internal/external numbering-up approach.