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Issue 39, 2018
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Ultra-thin wrinkled NiOOH–NiCr2O4 nanosheets on Ni foam: an advanced catalytic electrode for oxygen evolution reaction

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Abstract

Here, we report the in situ electrochemical conversion of NiCr2O4 on Ni foam prepared using a hydrothermal strategy to give ultra-thin wrinkled NiOOH–NiCr2O4 amorphous–crystalline nanosheets on Ni foam (NiOOH–NiCr2O4/NF) via anode oxidation in 1.0 M KOH. Owing to the coordination of NiCr2O4 and NiOOH, NiOOH–NiCr2O4/NF shows superior catalytic activity toward the oxygen evolution reaction (OER) with the demand of overpotential as low as 271 mV to drive a geometrical current density of 20 mA cm−2 under alkaline conditions. Notably, it also displays strong long-term electrochemical durability for at least 30 h.

Graphical abstract: Ultra-thin wrinkled NiOOH–NiCr2O4 nanosheets on Ni foam: an advanced catalytic electrode for oxygen evolution reaction

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Publication details

The article was received on 05 Feb 2018, accepted on 03 Apr 2018 and first published on 04 Apr 2018


Article type: Communication
DOI: 10.1039/C8CC01002A
Citation: Chem. Commun., 2018,54, 4987-4990
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    Ultra-thin wrinkled NiOOH–NiCr2O4 nanosheets on Ni foam: an advanced catalytic electrode for oxygen evolution reaction

    J. Zhao, X. Ren, Q. Han, D. Fan, X. Sun, X. Kuang, Q. Wei and D. Wu, Chem. Commun., 2018, 54, 4987
    DOI: 10.1039/C8CC01002A

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