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Enhanced oxygen electroreduction over nitrogen-free carbon nanotube-supported CuFeO2 nanoparticles

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Abstract

Composites of nano-sized delafossite CuFeO2 with 10–20 nm diameter and carbon nanotubes (CNTs) are constructed through a facile, one-pot hydrothermal process. The obtained nitrogen-free composites demonstrate promising electrocatalytic activity for the oxygen reduction reaction (ORR) in alkaline media. The introduction of CNTs facilitates the formation of nano-sized CuFeO2 particles. The synergistic effect between the nanosized delafossite CuFeO2 and carbon nanotubes endows the composites with a high electron transfer ability contributing to their robust ORR performance in 0.1 M KOH. This synthetic approach represents a promising method for the preparation of non-precious metal based electrocatalytic materials.

Graphical abstract: Enhanced oxygen electroreduction over nitrogen-free carbon nanotube-supported CuFeO2 nanoparticles

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Publication details

The article was received on 16 Nov 2017, accepted on 05 Feb 2018 and first published on 15 Feb 2018


Article type: Paper
DOI: 10.1039/C7TA10094A
Citation: J. Mater. Chem. A, 2018, Advance Article
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    Enhanced oxygen electroreduction over nitrogen-free carbon nanotube-supported CuFeO2 nanoparticles

    S. Zhao, B. Zhang, H. Su, J. Zhang, X. Li, K. Wang, J. Chen, X. Wei and P. Feng, J. Mater. Chem. A, 2018, Advance Article , DOI: 10.1039/C7TA10094A

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