Winton Li, Dr. Arman Bonakdarpour, Prof. Dr. Előd Gyenge and Prof. Dr. David P. Wilkinson Drinking Water Purification by Electrosynthesis of Hydrogen Peroxide in a Power-Producing PEM Fuel Cell ChemSusChem 6
What a treat! The electroreduction of oxygen to H2O2 at the cathode of a proton exchange membrane (PEM) fuel cell could be a solution for purifying drinking water on small scales. A fuel cell reactor is operated with a continuous flow of carrier water through the cathode to remove the product H2O2. The impact of the cobalt–carbon composite cathode catalyst loading, Teflon content in the cathode gas diffusion layer, and cathode carrier water flowrate on the production of H2O2 are examined.
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