NDLI: Facile synthesis of three-dimensional NiCo2O4@Co3O4 nanowire array for application in supercapacitors

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The Journal of Engineering

Facile synthesis of three-dimensional NiCo2O4@Co3O4 nanowire array for application in supercapacitors

Content Provider	IET Digital Library
Author	Yao, Shushan Zhi, Lifei Guo, Jin Yan, Shijian Zhang, Mingang
Abstract	A three-dimensional NiCo2O4@Co3O4 hybrid array on Ni foam electrode for supercapacitors was synthesised via a facile two-step hydrothermal method, in which the NiCo2O4 was self-assembled on the Co3O4 nanowire grown on Ni foam. Moreover, the electrochemical properties of the binder-free electrodes were studied by cyclic voltammograms, galvanostatic charge/discharge tests and electrochemical impedance spectroscopy. Electrochemical characterisations indicated that the unique nano-architecture exhibited excellent electrochemical properties of a high capacitance (1075 F/g), good rate (102.4%), cycling stability (92.6%), which were superior to the pristine Co3O4 nanowire. The results clearly confirmed that growing NiCo2O4 on Co3O4 nanowire could substantially improve the capacitive performance of Co3O4 materials.
Starting Page	821
Ending Page	823
Page Count	3
Volume Number	13
e-ISSN	17500443
Issue Number	Issue 6, Jun (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/mnl/13/6
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/mnl.2017.0717
Journal	Micro & Nano Letters
Publisher Date	2018-06-01
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Binder-free Electrodes Capacitance Capacitor Chemical Analysis Cobalt Compounds Composite Material Cyclic Voltammograms Cycling Stability Deposition from Liquid Phase (melts And Solutions) Electrochemical Analytical Method Electrochemical Conversion And Storage Electrochemical Electrodes Electrochemical Impedance Spectroscopy Electrochemical Property Electrochemistry And Electrophoresis Facile Synthesis Facile Two-step Hydrothermal Method Galvanostatic Charge-discharge Tests Liquid Phase Deposition Nanoarchitecture Nanocomposite Nanowires Ni Ni Foam Electrode Nickel Compound NiCo2O4-Co3O4 Rate Performance Self-assembly Self-assembly in Nanofabrication Supercapacitor Three-dimensional Hybrid Array Three-dimensional Nanowire Array Voltammetry
Content Type	Text
Resource Type	Article

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