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Current Topics in Electrochemistry   Volumes    Volume 25 
Impact of high-molecular-weight alcohol additives on oxygen electroreduction reaction catalyst ink
Ksenia A. Kharisova, Elena V. Alekseeva, Oleg V. Levin
Pages: 103 - 111
Number of pages: 9
Current Topics in Electrochemistry
Volume 25 

Copyright © 2023 Research Trends. All rights reserved

The morphology and electrochemical performance of catalytic layers are critical factors in determining their efficacy in oxygen electroreduction reaction. This study investigates the effectiveness of decanol as a surfactant in enhancing the properties of catalytic layers derived from non-metallic polypyrrole-based catalysts. Catalytic inks containing varying concentrations of decanol were prepared, and their morphology, adhesion, reproducibility, and catalytic activity were systematically evaluated. The results demonstrate that the addition of decanol, at concentrations not exceeding 0.5%, significantly improves the adhesion of catalytic inks to the substrate, enhances the reproducibility of results, and boosts the catalytic activity of the layers. Scanning electron microscopy images reveal that the catalytic layers containing decanol exhibit uniform morphology with minimal defects, contributing to their improved performance. These findings underscore the importance of carefully selecting surfactants in ink formulations to optimize the properties of catalytic materials for diverse electrochemical applications.
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