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Open AccessArticle

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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Author to whom correspondence should be addressed.
Academic Editors: Andy (Xueliang) Sun and Thomas Nann
Nanomaterials 2015, 5(4), 2335-2347; https://doi.org/10.3390/nano5042335
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)
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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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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