Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 59, Issue -, Pages 90-98Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2017.10.010
Keywords
Ultrasonic spray pyrolysis; Hollow NiCo2O4; Nano-spheres; Supercapacitors; Li-ion batteries
Funding
- Ministry of Education and Science of the Russian Federation [K3-2017-055, 211]
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The hollow NiCo2O4 nano-spheres (similar to 300-500 nm) are synthesized by ultrasonic spray pyrolysis method and used as electrode for high-performance supercapacitor (SC) and lithium-ion battery (LIB). When used in SC application, the hollow NiCo2O4 deliver a specific capacitance of similar to 1000 F g(-1) even after 3000 charge-discharge cycles. In addition, as an anode material for LIBs, it exhibits admirable high capacity values of 763 and 516 mAh g(-1) after 1000 cycles at a current density of 1500 and 3000 mAh g(-1), respectively. The excellent electrochemical performance of this hollow NiCo2O4 nano-sphere indicates its potential applications for next generation SCs and LIBs. (C) 2017 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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