Waterproof, Ultrahigh Areal-Capacitance, Wearable Supercapacitor Fabrics

© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 29(2017), 19 vom: 05. Mai
1. Verfasser: Yang, Yu (VerfasserIn)
Weitere Verfasser: Huang, Qiyao, Niu, Liyong, Wang, Dongrui, Yan, Casey, She, Yiyi, Zheng, Zijian
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article electronic textiles energy storage polymer-assisted metal deposition supercapacitor wearable electronics
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520 |a High-performance supercapacitors (SCs) are promising energy storage devices to meet the pressing demand for future wearable applications. Because the surface area of a human body is limited to 2 m2 , the key challenge in this field is how to realize a high areal capacitance for SCs, while achieving rapid charging, good capacitive retention, flexibility, and waterproofing. To address this challenge, low-cost materials are used including multiwall carbon nanotube (MWCNT), reduced graphene oxide (RGO), and metallic textiles to fabricate composite fabric electrodes, in which MWCNT and RGO are alternatively vacuum-filtrated directly onto Ni-coated cotton fabrics. The composite fabric electrodes display typical electrical double layer capacitor behavior, and reach an ultrahigh areal capacitance up to 6.2 F cm-2 at a high areal current density of 20 mA cm-2 . All-solid-state fabric-type SC devices made with the composite fabric electrodes and water-repellent treatment can reach record-breaking performance of 2.7 F cm-2 at 20 mA cm-2 at the first charge-discharge cycle, 3.2 F cm-2 after 10 000 charge-discharge cycles, zero capacitive decay after 10 000 bending tests, and 10 h continuous underwater operation. The SC devices are easy to assemble into tandem structures and integrate into garments by simple sewing 
650 4 |a Journal Article 
650 4 |a electronic textiles 
650 4 |a energy storage 
650 4 |a polymer-assisted metal deposition 
650 4 |a supercapacitor 
650 4 |a wearable electronics 
700 1 |a Huang, Qiyao  |e verfasserin  |4 aut 
700 1 |a Niu, Liyong  |e verfasserin  |4 aut 
700 1 |a Wang, Dongrui  |e verfasserin  |4 aut 
700 1 |a Yan, Casey  |e verfasserin  |4 aut 
700 1 |a She, Yiyi  |e verfasserin  |4 aut 
700 1 |a Zheng, Zijian  |e verfasserin  |4 aut 
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