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Metal-Organic Framework Mediated Ni-deposition on MWCNTs for Direct Methanol Fuel Cell Catalysis

Article scientifique 2023 Anglais

Résumé

Abstract Herein, we present the utilization of Ni2+-doped amine-functionalized UiO-66-NH2 metal-organic framework (MOF) nanoparticles deposited onto multi-walled carbon nanotubes (MWCNTs) as a precursor for electrocatalytically active catalyst towards methanol (MeOH) oxidation. The electrode material displayed an onset potential of 0.42 V (vs Hg/HgO) with maximum activity at 1 M MeOH concentration (143 mA.cm− 2 current density at 0.6 V vs Hg/HgO). The catalyst also demonstrated adequate stability, where 93.5% of its current density was retained after performing chronoamperometry for 1 hr.

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Shams-Eldin, R., Ali, A., Hani, A., Haikal, R., Fahmy, H., Nashar, R., Alkordi, M. (2023). Metal-Organic Framework Mediated Ni-deposition on MWCNTs for Direct Methanol Fuel Cell Catalysis. https://doi.org/10.21203/rs.3.rs-2732379/v1

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Auteur(s)

Reham Shams-Eldin Aya Ali Amal Hani Rana R. Haikal Hussein M. Fahmy Rasha M. El Nashar Mohamed H. Alkordi

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