Stretchable, Porous, and Conductive Energy Textiles

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Recently there is strong interest in lightweight, flexible, and wearable electronics to meet the technological demands of modern society. Integrated energy storage devices of this type are a key area that is still significantly underdeveloped, Here, we describe wearable power devices using everyday textiles as the platform. With an extremely simple "dipping and drying" process using single-walled carbon nanotube (SWNT) ink, we produced highly conductive textiles with conductivity of 125 S cm(-1) and sheet resistance less than 1 Omega/sq. Such conductive textiles show outstanding flexibility and stretchability and demonstrate strong adhesion between the SWNTs and the textiles of interest. Supercapacitors made from these conductive textiles show high areal capacitance, up to 0.48F/cm(2), and high specific energy. We demonstrate the loading of pseudocapacitor materials into these conductive textiles that leads to a 24-fold increase of the areal capacitance of the device. These highly conductive textiles can provide new design opportunities for wearable electronics and energy storage applications.
Publisher
AMER CHEMICAL SOC
Issue Date
2010-02
Language
English
Article Type
Article
Keywords

CARBON NANOTUBE ELECTRODES; ELECTROCHEMICAL CAPACITORS; SUPERCAPACITORS; COMPOSITES; SYSTEMS; DEPOSITION; DEVICES; OXIDE

Citation

NANO LETTERS, v.10, no.2, pp.708 - 714

ISSN
1530-6984
DOI
10.1021/nl903949m
URI
http://hdl.handle.net/10203/97051
Appears in Collection
EEW-Journal Papers(저널논문)
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