Innovative Pulsed-Current Technique Enhances H₂O₂ Production on Boron-Doped Diamond Anode
Key Ideas
  • Research led by Marco Altomare's team demonstrates the effectiveness of boron-doped diamond-coated mesh electrodes in producing H₂O₂ in a zero-gap PEM electrolyzer.
  • Pulsed-current electrolysis is shown to significantly increase the Faradaic efficiency of H₂O₂ formation compared to constant current electrolysis.
  • The study is a result of international collaboration funded by NWO and industrial partners, emphasizing sustainable energy solutions.
  • The research paves the way for innovative electrochemical routes for co-generating H₂ and H₂O₂, contributing to advancements in green energy production.
A recent article published in Chemistry Europe journal by Marco Altomare's team introduces a novel approach to enhance H₂O₂ production using pulsed-current operation on a boron-doped diamond mesh anode in a zero-gap PEM electrolyzer. The study explores the fabrication of boron-doped diamond-coated mesh electrodes for anodic production of H₂O₂ through selective oxidation of water, coupled with cathodic hydrogen gas evolution. By analyzing the impact of pulsed-current electrolysis on the Faradaic efficiency of H₂O₂ formation, the research reveals that pulsing the operation with an optimal current on-to-off time ratio can significantly improve efficiency compared to constant current electrolysis. The project, funded by NWO and industrial partners VSPARTICLE and FUMATECH BWT GmbH, showcases an international collaboration involving researchers from various institutions. This collaboration includes experts from UT's Department of Chemical Engineering, DIFFER, FAU Erlangen-Nürnberg, Technische Universität Darmstadt, Forschungszentrum Jülich, RWTH Aachen University, and Max Planck Institute. The findings not only provide a proof of concept for the use of boron-doped diamond-coated mesh electrodes but also highlight the potential for advancing sustainable energy solutions through electrochemical routes for co-generating H₂ and H₂O₂. This research contributes to the ongoing efforts in green energy production and demonstrates the importance of innovation and collaboration in driving advancements in the field of electrochemistry and nanotechnology.
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