TY - JOUR
T1 - Three-dimensional stretchable fabric-based electrode for supercapacitors prepared by electrostatic flocking
AU - Li, Xiaoyan
AU - Wang, Jun
AU - Wang, Kangkang
AU - Yao, Jiming
AU - Bian, Hongjie
AU - Song, Kaili
AU - Komarneni, Sridhar
AU - Cai, Zaisheng
N1 - Funding Information:
This research was supported by the Provincial Science and Technology Cooperation and Development Foundation (Grant No. 900204 ), Natural Science Foundation for Young Scientists of Hebei Province (Grant No. E2019208319 ) and Specialized Research Fund for the Doctoral Program (Grant No. 81/1181327 ).
Funding Information:
This research was supported by the Provincial Science and Technology Cooperation and Development Foundation (Grant No. 900204), Natural Science Foundation for Young Scientists of Hebei Province (Grant No. E2019208319) and Specialized Research Fund for the Doctoral Program (Grant No. 81/1181327).
Publisher Copyright:
© 2020 Elsevier B.V.
PY - 2020/6/15
Y1 - 2020/6/15
N2 - The three-dimensional vertical-array scaffolds can be constructed by electrostatic flocking with quite high efficiency and low cost for large-area applications. Herein, we have fabricated stretchable and highly conductive fabric base resulting from the strong interaction between acid-functionalized carbon nanotubes (AC-MWNTs) and cationic cotton/spandex fabric. Then the electrostatic flocking was applied for the first time to implant vertical arrays of carbon fibers onto conductive fabrics, accompanied by deposition of nano-MnO2 to construct 3D stretchable fabric-based electrode with multistage array structure (MnO2@C-MC/S1-2). The composite binder-free electrode provided high conductivity and capacitive efficiency as well as the ideal electrochemical reversibility under tension. Furthermore, asymmetric solid-state supercapacitors were assembled using MnO2@C-MC/S1-2 as the positive electrode, C-MC/S1 with higher C1 loaded as the negative electrode, which exhibited maximum energy density of 1.70 mWh/cm2 (at a power density of 21.82 mW/cm2) and power density of 347.34 mW/cm2 (at an energy density of 0.91 mWh/cm2). The facile electrostatic flocking process with simplicity of operation and economic efficiency is both straightforward and cost-effective for fabricating three-dimensional electrodes for wearable energy storage applications.
AB - The three-dimensional vertical-array scaffolds can be constructed by electrostatic flocking with quite high efficiency and low cost for large-area applications. Herein, we have fabricated stretchable and highly conductive fabric base resulting from the strong interaction between acid-functionalized carbon nanotubes (AC-MWNTs) and cationic cotton/spandex fabric. Then the electrostatic flocking was applied for the first time to implant vertical arrays of carbon fibers onto conductive fabrics, accompanied by deposition of nano-MnO2 to construct 3D stretchable fabric-based electrode with multistage array structure (MnO2@C-MC/S1-2). The composite binder-free electrode provided high conductivity and capacitive efficiency as well as the ideal electrochemical reversibility under tension. Furthermore, asymmetric solid-state supercapacitors were assembled using MnO2@C-MC/S1-2 as the positive electrode, C-MC/S1 with higher C1 loaded as the negative electrode, which exhibited maximum energy density of 1.70 mWh/cm2 (at a power density of 21.82 mW/cm2) and power density of 347.34 mW/cm2 (at an energy density of 0.91 mWh/cm2). The facile electrostatic flocking process with simplicity of operation and economic efficiency is both straightforward and cost-effective for fabricating three-dimensional electrodes for wearable energy storage applications.
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U2 - 10.1016/j.cej.2020.124442
DO - 10.1016/j.cej.2020.124442
M3 - Article
AN - SCOPUS:85079838939
VL - 390
JO - Chemical Engineering Journal
JF - Chemical Engineering Journal
SN - 1385-8947
M1 - 124442
ER -