Fully flexible, lightweight, high performance all-solid-state supercapacitor based on 3-Dimensional-graphene/graphite-paper

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Realization of a highly flexible, lightweight, and high performance flexible supercapacitor was achieved using three-dimensional graphene on flexible graphite-paper. A simple and fast self-assembly approach was utilized for the uniform deposition of chemical vapor deposition (CVD)-grown high quality 3D-graphene powders on a flexible graphite-paper substrate. The fabricated paper-based symmetric supercapacitor exhibited a maximum capacitance of 260 F g(-1) (15.6 mF cm(-2)) in a three electrode system, 80 F g(-1) (11.1 mF cm(-2)) in a full cell, high capacitance retention and a high energy density of 8.8 Wh kg(-1) (1.24 mu Wh cm(-2)) at a power density of 178.5 W kg(-1) (24.5 mu W cm(-2)). The flexible super capacitor maintained its supercapacitor performance well, even under bent, rolled, or twisted conditions, signifying the excellent flexibility of the fabricated device. Our straightforward approach to the fabrication of highly flexible and lightweight supercapacitors offers new design opportunities for flexible/ wearable electronics and miniaturized device applications that require energy storage units that meet the demands of the multifarious applications. (C) 2016 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2017-01
Language
English
Article Type
Article
Keywords

CHEMICAL-VAPOR-DEPOSITION; COMPOSITE ELECTRODES; ENERGY-STORAGE; MICRO-SUPERCAPACITORS; GRAPHENE; PAPER; FILMS; NETWORKS; DESIGN

Citation

JOURNAL OF POWER SOURCES, v.337, pp.159 - 165

ISSN
0378-7753
DOI
10.1016/j.jpowsour.2016.10.091
URI
http://hdl.handle.net/10203/218239
Appears in Collection
EE-Journal Papers(저널논문)
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