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Muhammad Athariq
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Biochemistry, Genetics & Molecular Biology Chemistry Materials Science & Nanotechnology

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Additive-free Electrodeposition of SnCoNi Trimetallic Catalysts for Ethanol Electrooxidation Salsabila, Qori'atun Ni'mah; Fabian Glorious Kenaya; Muhammad Fathar Aulia; Muhammad Athariq
Chemistry and Materials Vol. 3 No. 3 (2024)
Publisher : Pusat Inovasi Sains

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56425/cma.v3i3.84

Abstract

SnCoNi catalysts were synthesized via electrodeposition, with and without citric acid, to assess their ethanol electrooxidation performance. The additive-free catalyst exhibited superior properties, including lower charge transfer resistance and a smaller Tafel slope compared to the citric acid-modified catalyst. Chronoamperometry testing further revealed better electrochemical stability for the additive-free catalyst, with less current loss over time. Cyclic voltammetry confirmed the enhanced ethanol oxidation activity with a relatively high current density. The improved performance is attributed to better mass transport, active site exposure, and the synergistic effects of Sn, Co, and Ni in the additive-free catalyst, making it more efficient for ethanol electrooxidation. These findings suggest that the additive-free catalyst exhibits more favorable properties for ethanol electrooxidation compared to its citric acid-modified counterpart.
Co-Authors Fabian Glorious Kenaya Muhammad Fathar Aulia Salsabila, Qori'atun Ni'mah