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Flexible full-solid-state supercapacitors based on self-assembly of mesoporous MoSe2 nanomaterials

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Abstract

Nowadays, designing and fabricating efficient and cost-effective materials as electrodes for energy conversion and storage systems are highly desired. Various nanostructures with a high surface area and a large number of active sites are explored to enhance their electrochemical capacitance. Herein mesoporous molybdenum diselenide (MoSe2) nanomaterials are synthesized using a simple and cost-effective hydrothermal approach. High electrochemical activity and excellent stability of MoSe2 NFs//MoSe2 NRs in a symmetrical configuration suggest their great potential in energy storage applications. The device exhibits a capacity of 133 F g−1 at a current density of 2 A g−1, and maintains 92% of the primary capacitance after 2000 cycles. The maximum energy density of 36.2 Wh kg−1 at a power density of 1.4 kW kg−1 and a power density of 6.48 kW kg−1 at an energy density of 18 Wh kg−1 are achieved at an operating voltage of 1.4 V. And it also displays prominent electrochemical performance after mechanical bending, indicating its great potential for flexible supercapacitors.

Graphical abstract: Flexible full-solid-state supercapacitors based on self-assembly of mesoporous MoSe2 nanomaterials

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Publication details

The article was received on 09 Dec 2016, accepted on 10 Feb 2017, published on 13 Feb 2017 and first published online on 13 Feb 2017


Article type: Research Article
DOI: 10.1039/C6QI00569A
Citation: Inorg. Chem. Front., 2017, Advance Article
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    Flexible full-solid-state supercapacitors based on self-assembly of mesoporous MoSe2 nanomaterials

    Y. Qiu, X. Li, M. Bai, H. Wang, D. Xue, W. Wang and J. Cheng, Inorg. Chem. Front., 2017, Advance Article , DOI: 10.1039/C6QI00569A

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