Electroreduction of H 2O 2 by Co 3O 4 and NiCo 2O 4 nanowires and β-Ni(OH) 2 nanoplates grown on Ni foam

Hui, K. N., Yin, Cui Lei, Hui, K. S., Lee, J. Y., Cao, Dianxue and Wang, Guiling (2012) Electroreduction of H 2O 2 by Co 3O 4 and NiCo 2O 4 nanowires and β-Ni(OH) 2 nanoplates grown on Ni foam. Journal of Nanoscience and Nanotechnology, 12 (4). pp. 3615-3619. ISSN 1533-4880

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Abstract

Nanowires (Co 3O 4 and NiCo 2O 4) and nanoplates (β-Ni(OH) 2) grown on Ni foam are successfully prepared by a template-free method and used as cathode electrodes for the electroreduction of H 2O 2 in an alkaline medium. Catalytic performance is investigated via cyclic voltammetry and chronoamperometry. The Co 3O 4 and NiCo 2O 4 nanowire electrodes exhibit much better catalytic activity, stability, and mass transfer properties for H 2O 2 electroreduction than pressed Co 3O 4 and NiCo 2O 4 nanoparticle/carbon/ PTFE electrodes. A current density of 101.8 mA cm -2 and 122.7 mA cm -2 are respectively achieved on Co 3O 4 and NiCo 2O 4 nanowire electrodes at -0.4 V in 0.4 mol/L H 2O 2 and 3.0 mol/L NaOH solution at room temperature.

Item Type: Article
Uncontrolled Keywords: β-ni(oh) nanoplate,co o nanowire,fuel cell,nico o nanowire
Faculty \ School: Faculty of Science > School of Mathematics
Related URLs:
Depositing User: Pure Connector
Date Deposited: 04 Oct 2016 12:02
Last Modified: 17 Mar 2020 22:26
URI: https://ueaeprints.uea.ac.uk/id/eprint/60703
DOI: 10.1166/jnn.2012.5558

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