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Issue 16, 2012
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Facile synthetic fabrication of iron oxide particles and novel hydrogen superoxide supercapacitors

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Abstract

A facile approach for the synthetic fabrication of iron oxide (Fe3O4) particles is presented and their potential application towards energy storage (as an electrode material within a supercapacitor) is explored. The Fe3O4 asymmetric supercapacitor is found to deliver a maximum specific capacitance of ∼120 F g−1 at a current density of 0.1 A g−1 in an aqueous electrolyte solution (3M KOH) retaining 93.70% of its initial capacity over 1000 cycles. Additionally, an iron based hydrogen superoxide [FeO(OH)] supercapacitor is readily fabricated and is found to exhibit a maximum specific capacitance of ∼400 F g−1 at a discharge current of 0.1 A g−1 in a 3M KOH solution.

Graphical abstract: Facile synthetic fabrication of iron oxide particles and novel hydrogen superoxide supercapacitors

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Publication details

The article was received on 20 Nov 2011, accepted on 15 May 2012 and first published on 27 Jun 2012


Article type: Paper
DOI: 10.1039/C2RA01139E
Citation: RSC Adv., 2012,2, 6672-6679
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    Facile synthetic fabrication of iron oxide particles and novel hydrogen superoxide supercapacitors

    P. M. Hallam, M. Gómez-Mingot, D. K. Kampouris and C. E. Banks, RSC Adv., 2012, 2, 6672
    DOI: 10.1039/C2RA01139E

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