Preparation of Novel 3D Graphene Networks for Supercapacitor Applications

Chemical vapor deposition is used to prepare novel 3D graphene networks, with ethanol as the carbon source. These networks are used as templates for the construction of graphene/metal oxide composite‐based supercapacitor electrodes. As a proof of concept, NiO is deposited on 3D graphene networks. Th...

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Bibliographic Details
Published in:Small (Weinheim an der Bergstrasse, Germany) Germany), 2011-11, Vol.7 (22), p.3163-3168
Main Authors: Cao, Xiehong, Shi, Yumeng, Shi, Wenhui, Lu, Gang, Huang, Xiao, Yan, Qingyu, Zhang, Qichun, Zhang, Hua
Format: Article
Language:English
Subjects:
carbon sources
chemical vapor deposition
Electrochemical Techniques
Electronics
ethanol
graphene
Graphite - chemistry
Nanostructures - ultrastructure
Nanotechnology - methods
Nickel - chemistry
supercapacitors
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Summary:Chemical vapor deposition is used to prepare novel 3D graphene networks, with ethanol as the carbon source. These networks are used as templates for the construction of graphene/metal oxide composite‐based supercapacitor electrodes. As a proof of concept, NiO is deposited on 3D graphene networks. The product exhibits a high specific capacitance of about 816 F g−1 at a scan rate of 5 mV s−1 and good cycling performance.
ISSN:1613-6810
1613-6829
DOI:10.1002/smll.201100990