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Platinum Group Metal (PGM) free multi metallic nanomaterial: a potential electrocatalyst for Ethanol Oxidation

Turkish Journal of Chemistry, ISSN: 1303-6130, Vol: 49, Issue: 1, Page: 45-53
2025
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Article Description

Comprehensive studies of the ethanol oxidation reaction (EOR) have shown high interest in fuel cell technologies. As anode catalysts, introducing platinum group metal (PGM) free catalyst is promising for higher catalytic activity towards the EOR, as these are cost-effective, pollution-tolerant, and suitable for sustainable energy conversion. In this investigation, multi walled carbon nanotube (MWCNT) supported PGM-free electrocatalysts are synthesized by the impregnation reduction method. The atomic structure, composition, and morphology of nanoalloy catalysts are discovered through X-ray diffraction (XRD), Raman spectroscopy and fouriertransform infrared (FTIR) spectroscopy techniques. Electrochemical behaviours have been analysed by cyclic voltammetry (CV), linear sweep voltammetry (LSV), Chronoamperometry (CA), and electrochemical impedance spectroscopy (EIS), which reveal the oxidation kinetics of ethanol in an alkaline medium on the surface of the catalyst. The structure-activity relationship is a portrait of all the physical and electrochemical analyses that assists in exploring the active site of the surface, which facilitates electrooxidation activity. The C/ FeCo catalyst exhibits higher catalytic efficiency and promotes CO removal through a bifunctional mechanism and electronic effect.

Bibliographic Details

Susmita Singh; Prodipta Pal; Soumik Roy; Shalini Basak; Prantica Saha; Anushna Dutta; Sinthia Saha; Mainak Bose

The Scientific and Technological Research Council of Turkey (TUBITAK-ULAKBIM) - DIGITAL COMMONS JOURNALS

Chemistry

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