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Issue 9, 2018
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NiCo2O4 nanowire based flexible electrode materials for asymmetric supercapacitors

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Abstract

The rational design and construction of supercapacitor electrode materials with prominent energy and power density play an indispensable role for their potential application in energy storage devices. In this work, NiCo2O4 nanowires grown on Ni foam have been synthesized through a facile hydrothermal approach, revealing a large capacitance and superior cycling stability with 80.3% capacitance retention after 20 000 cycles. The asymmetric supercapacitors are fabricated based on NiCo2O4 nanowire electrodes, which deliver an energy density of 27.4 W h kg−1 at a power density of 493.2 W kg−1 and an excellent cycle life with 79.2% capacitance retention after 10 000 cycles.

Graphical abstract: NiCo2O4 nanowire based flexible electrode materials for asymmetric supercapacitors

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Article information


Submitted
26 Feb 2018
Accepted
30 Mar 2018
First published
18 Apr 2018

New J. Chem., 2018,42, 7399-7406
Article type
Paper

NiCo2O4 nanowire based flexible electrode materials for asymmetric supercapacitors

D. Zhao, F. Hu, A. Umar and X. Wu, New J. Chem., 2018, 42, 7399
DOI: 10.1039/C8NJ00935J

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