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Nanomaterials 2015, 5(4), 2335-2347; doi:10.3390/nano5042335

Facile and Eco-Friendly Synthesis of Finger-Like Co3O4 Nanorods for Electrochemical Energy Storage

College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, China
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Academic Editors: Andy (Xueliang) Sun and Thomas Nann
Received: 15 October 2015 / Revised: 2 December 2015 / Accepted: 14 December 2015 / Published: 17 December 2015
(This article belongs to the Special Issue Nanostructured Materials for Li-Ion Batteries and Beyond)
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Abstract

Co3O4 nanorods were prepared by a facile hydrothermal method. Eco-friendly deionized water rather than organic solvent was used as the hydrothermal media. The as-prepared Co3O4 nanorods are composed of many nanoparticles of 30–50 nm in diameter, forming a finger-like morphology. The Co3O4 electrode shows a specific capacitance of 265 F g−1 at 2 mV s−1 in a supercapacitor and delivers an initial specific discharge capacity as high as 1171 mAh g−1 at a current density of 50 mA g−1 in a lithium ion battery. Excellent cycling stability and electrochemical reversibility of the Co3O4 electrode were also obtained. View Full-Text
Keywords: Co3O4 nanorods; electrochemical properties; lithium ion battery; supercapacitor Co3O4 nanorods; electrochemical properties; lithium ion battery; supercapacitor
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Sun, S.; Zhao, X.; Yang, M.; Ma, L.; Shen, X. Facile and Eco-Friendly Synthesis of Finger-Like Co3O4 Nanorods for Electrochemical Energy Storage. Nanomaterials 2015, 5, 2335-2347.

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