Abstract
Cyclic voltammograms (CVA) for the hydrogen peroxide electrosynthesis from oxygen in gas-diffusion hydrophobized electrodes (GHE) of acetylene black A437-E, furnace black P805-E, and their mixtures in an alkaline electrolyte are compared in order to test the product accumulation in their porous volumes. The increase in the area of the peak in an anodic branch of CVA during hydrogen peroxide accumulation depends on the GHE type. The removal of hydrogen peroxide in the GHE is facilitated by using a mixture of blacks. The CVA method is convenient for testing the product accumulation in the porous volume.
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