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Highly stable and efficient non-precious metal electrocatalysts of tantalum dioxyfluoride used for the oxygen evolution reaction

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Abstract

Superior stability is very important for electrocatalysts during the oxygen evolution reaction (OER) for long-term cyclic applications. Tantalum dioxyfluoride, TaO2F, as very stable compound, supported on graphitized carbon (gC) has been synthesized using a simple ion adsorbed methodology and used as an electrocatalyst for the OER in alkaline medium. The TaO2F/gC electrocatalyst exhibited efficient catalytic activity with a lower onset potential of 1.48 V vs. RHE for the OER and an overpotential of only 360 mV to achieve 10 mA cm−2. Moreover, the TaO2F/gC electrocatalyst showed superior stability and was almost unchanged after 20 000 cycles of polarization and using at a current density of 10 mA cm−2 for several days.

Graphical abstract: Highly stable and efficient non-precious metal electrocatalysts of tantalum dioxyfluoride used for the oxygen evolution reaction

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Publication details

The article was received on 28 Feb 2017, accepted on 10 Apr 2017 and first published on 12 Apr 2017


Article type: Communication
DOI: 10.1039/C7TA01838J
Citation: J. Mater. Chem. A, 2017, Advance Article
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    Highly stable and efficient non-precious metal electrocatalysts of tantalum dioxyfluoride used for the oxygen evolution reaction

    X. Yue, Y. Jin and P. K. Shen, J. Mater. Chem. A, 2017, Advance Article , DOI: 10.1039/C7TA01838J

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