Synthesis and Characterization of Manganese Oxide/CNTs Composites as Electrochemical Capacitor Electrode Materials

Manganese oxide (MnO2)/Carbon nanotubes(CNTs) composites were prepared by a home-made microwave heating equipment. The crystal structure, microstructure, electrochemical properties were characterized by XRD and SEM, the discharge capacity and cycling performance were compared. The results show a bir...

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Bibliographic Details
Published in:Key engineering materials 2012-07, Vol.519, p.197-200
Main Authors: Yan, Ye, Zeng, Xie Rong, Zou, Ji Zhao
Format: Article
Language:English
Subjects:
Carbon
Crystal structure
Cycles
Discharge
Heating equipment
Manganese oxides
Microwaves
Synthesis
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Summary:Manganese oxide (MnO2)/Carbon nanotubes(CNTs) composites were prepared by a home-made microwave heating equipment. The crystal structure, microstructure, electrochemical properties were characterized by XRD and SEM, the discharge capacity and cycling performance were compared. The results show a birnessite-type MnO2 coating can be prepared. In this paper, a microwave-assisted hydrothermal synthesis method was used to synthesize the MnO2/CNTs composites. MnO2 content increases with the increasing of microwave power, which result in the specific capacitances of as-perpared materials increase
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.519.197