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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 to generate 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/cm2 current density at 0.6 V vs Hg/HgO). The catalyst also demonstrated high stability, retaining 93.5% of its initial activity under continuous electrolysis for 1 h, and 84.1% after 10 h.

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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/10.1007/s42452-023-05387-8

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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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