Electroreduction of H2O2 by Co3O4 and NiCo2O4 nanowires and β-Ni(OH)2 nanoplates grown on Ni foam

Hui, K. N., Yin, Cui Lei, Hui, K. S. ORCID: https://orcid.org/0000-0001-7089-7587, Lee, J. Y., Cao, Dianxue and Wang, Guiling (2012) Electroreduction of H2O2 by Co3O4 and NiCo2O4 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 (Co3O4 and NiCo2O4) 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 H2O2 in an alkaline medium. Catalytic performance is investigated via cyclic voltammetry and chronoamperometry. The Co3O4 and NiCo2O4 nanowire electrodes exhibit much better catalytic activity, stability, and mass transfer properties for H2O2 electroreduction than pressed Co3O4 and NiCo2O4 nanoparticle/carbon/ PTFE electrodes. A current density of 101.8 mA cm-2 and 122.7 mA cm-2 are respectively achieved on Co3O4 and NiCo2O4 nanowire electrodes at -0.4 V in 0.4 mol/L H2O2 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 (former - to 2024)
UEA Research Groups:	Faculty of Science > Research Groups > Energy Materials Laboratory
Related URLs:	http://www.scopus.com/inward/record.url?...
Depositing User:	Pure Connector
Date Deposited:	04 Oct 2016 12:02
Last Modified:	25 Sep 2024 12:16
URI:	https://ueaeprints.uea.ac.uk/id/eprint/60703
DOI:	10.1166/jnn.2012.5558

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