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Weavable asymmetric carbon nanotube yarn supercapacitor for electronic textiles

Title
Weavable asymmetric carbon nanotube yarn supercapacitor for electronic textiles
Authors
Choi, ChangsoonPark, Jong WooKim, Keon JungLee, Duck WeonDe Andrade, Monica JungKim, Shi HyeongGambhir, SanjeevSpinks, Geoffrey M.Baughman, Ray H.Kim, Seon Jeong
DGIST Authors
Choi, Changsoon
Issue Date
2018-04
Citation
RSC Advances, 8(24), 13112-13120
Type
Article
Article Type
Article
Keywords
ElectrodesElectrolytesGrapheneManganese oxideSmart textilesSupercapacitorWeavingWoolYarnAsymmetric carbonsAsymmetric supercapacitorCarbon nanotube yarnsElectrochemical energy storageHigh energy densitiesOrganic electrolyteReduced graphene oxidesYarn supercapacitorsCarbon nanotubes
ISSN
2046-2069
Abstract
Asymmetric supercapacitors are receiving much research interests due to their wide operating potential window and high energy density. In this study, we report the fabrication of asymmetrically configured yarn based supercapacitor by using liquid-state biscrolling technology. High loading amounts of reduced graphene oxide anode guest (90.1 wt%) and MnO2 cathode guest (70 wt%) materials were successfully embedded into carbon nanotube yarn host electrodes. The resulting asymmetric yarn supercapacitor coated by gel based organic electrolyte (PVDF-HFP-TEA·BF4) exhibited wider potential window (up to 3.5 V) and resulting high energy density (43 μW h cm-2). Moreover, the yarn electrodes were mechanically strong enough to be woven into commercial textiles. The textile supercapacitor exhibited stable electrochemical energy storage performances during dynamically applied deformations. © 2018 The Royal Society of Chemistry.
URI
http://hdl.handle.net/20.500.11750/6258
DOI
10.1039/c8ra01384e
Publisher
Royal Society of Chemistry
Related Researcher
Files:
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Collection:
Smart Textile Convergence Research Group1. Journal Articles


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