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Materials 2018, 11(7), 1193; https://doi.org/10.3390/ma11071193

Application of Low-Cost Me-N-C (Me = Fe or Co) Electrocatalysts Derived from EDTA in Direct Methanol Fuel Cells (DMFCs)

C.N.R., Istituto di Tecnologie Avanzate per l’Energia “Nicola Giordano” (ITAE), Via Salita Santa Lucia sopra Contesse, 5, 98126 Messina, Italy
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Received: 1 June 2018 / Revised: 29 June 2018 / Accepted: 10 July 2018 / Published: 12 July 2018
(This article belongs to the Special Issue Hydrogen and Fuel Cells: From Materials to Systems)
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Abstract

Co-N-C and Fe-N-C electrocatalysts have been prepared by mixing Fe or Co precursors, ethylene diamine tetra acetic acid (EDTA) as a nitrogen source, and an oxidized carbon. These materials were thermally treated at 800 °C or 1000 °C under nitrogen flow to produce four samples, named CoNC8, CoNC10, FeNC8, and FeNC10. They have been physicochemically characterized by X-ray photoelectron spectroscopy (XPS) and transmission electron microscopy (TEM). Direct methanol fuel cell (DMFC) analyses have been carried out to investigate the performance of the nonprecious cathode catalysts, using a low amount of Pt (0.7 mg/cm2) at the anode side. It appears that FeNC8 is the best performing low-cost cathode catalyst in terms of higher oxygen reduction reaction activity and methanol tolerance. View Full-Text
Keywords: non-PGM catalysts; DMFCs; methanol-tolerant catalysts; oxygen reduction reaction non-PGM catalysts; DMFCs; methanol-tolerant catalysts; oxygen reduction reaction
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Lo Vecchio, C.; Aricò, A.S.; Baglio, V. Application of Low-Cost Me-N-C (Me = Fe or Co) Electrocatalysts Derived from EDTA in Direct Methanol Fuel Cells (DMFCs). Materials 2018, 11, 1193.

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