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Issue 3, 2018
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Direct growth of Ni–Mn–O nanosheets on flexible electrospun carbon nanofibers for high performance supercapacitor applications

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Abstract

Currently, the search for the fabrication of inexpensive and efficient binder-free electrodes for high performance supercapacitor applications is still a great challenge. In this work, different nanostructures of Ni–Mn oxide (Ni–Mn–O) are directly grown on the surface of flexible electrospun carbon nanofibers (ECNFs) and further used as binder-free electrodes for supercapacitors. Among three typical nanostructures, Ni–Mn–O nanosheets on ECNFs show superior electrochemical properties with a good specific capacitance (368.6 F g−1) and excellent rate properties (88.6% retention at 20 times initial current density) in a three-electrode system. Furthermore, an aqueous symmetry cell and a solid-state symmetry supercapacitor are assembled using two pieces of flexible ECNFs@Ni–Mn–O nanosheets. The maximum energy density and power density based on the solid-state supercapacitor are up to 20.4 W h kg−1 and 5.2 kW kg−1, respectively, indicating that the flexible ECNFs@Ni–Mn–O nanosheets present a fairly promising future for practical applications in the field of energy storage.

Graphical abstract: Direct growth of Ni–Mn–O nanosheets on flexible electrospun carbon nanofibers for high performance supercapacitor applications

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Publication details

The article was received on 09 Nov 2017, accepted on 19 Dec 2017 and first published on 19 Dec 2017


Article type: Research Article
DOI: 10.1039/C7QI00696A
Citation: Inorg. Chem. Front., 2018,5, 635-642
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    Direct growth of Ni–Mn–O nanosheets on flexible electrospun carbon nanofibers for high performance supercapacitor applications

    D. Tian, X. Lu, G. Nie, M. Gao and C. Wang, Inorg. Chem. Front., 2018, 5, 635
    DOI: 10.1039/C7QI00696A

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