Abstract
The efficient catalysis of ethanol oxidation (EOR) is of paramount importance for the progress of energy conversion and storage technologies. We investigate the improved catalytic performance of commercial J-M Pt/C and Pd/C catalysts for ethanol oxidation by utilizing high potential scanning. By employing in situ Raman spectroscopy, we analyze the reaction intermediates during electrochemical reactions. Our findings highlight that the Pd/C catalyst exhibits remarkable enhancements in catalytic activity and stability, which can be attributed to the activation at high potentials on Pd/C electrode. Interestingly, different results are observed between Pt/C and Pd/C catalysts under the same experimental conditions. This study provides valuable insights into the design and development of efficient catalysts for ethanol oxidation.
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