Continuous and integrated PEDOT@Bacterial cellulose/CNT hybrid helical fiber with “reinforced cement-sand” structure for self-stretchable solid supercapacitor

Liang, Qianqian; Wan, Jia; Ji, Peng; Zhang, Dong; Sheng, Nan; Chen, Shiyan; Wang, Huaping

doi:10.1016/j.cej.2021.131904

Cited by 43 publications

(21 citation statements)

References 77 publications

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“…Meanwhile, the FTIR spectrum of BCT5 fiber contains almost all characteristic bands of BC and CNT. Compared to those of BC and CNT, the characteristic peaks in BCT5 weaken, which prove the hydrogen bond interaction between BC and CNT. , …”

Section: Resultsmentioning

confidence: 91%

“…As shown in Figure 2e, the diffraction peaks of CNTs were observed at 25.9 and 42.7°in the XRD patterns of CNT and BCT5, indicating that the structure of CNT is not destroyed after dissolving and spinning. 38,42 Raman spectra of CNT and BCT5 were investigated as shown in Figure 2f. The D band is at 1344 cm −1 by virtue of the curvature in the nanotube lattice and the disorder induced by defects.…”

Section: Resultsmentioning

confidence: 99%

“…Compared to those of BC and CNT, the characteristic peaks in BCT5 weaken, which prove the hydrogen bond interaction between BC and CNT. 42 3.2. Electrochemical Properties of the Self-Stretchable BCT Helical Fibers.…”

Section: Resultsmentioning

confidence: 99%

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Self-Stretchable Fiber Liquid Sensors Made with Bacterial Cellulose/Carbon Nanotubes for Smart Diapers

Liang

Zhang

et al. 2022

ACS Appl. Mater. Interfaces

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Liquid sensors for detecting water and body fluids are crucial in daily water usage and health monitoring, but it is challenging to combine sensing performance with high tensile deformation and multifunctional applications. Here, a substrate-free, self-stretchable bacterial cellulose (BC)/carbon nanotube (CNT) helical fiber liquid sensor was prepared by the solution spinning and coiling process using BC as the water-sensitive matrix and CNTs as the active sensing materials. The BC/CNT (BCT) fiber sensor has a high stretch ratio of more than 1000% and a rapid response for a current change rate of 104% within 1 s, which is almost unaffected under washing and various stretching or knotting deformations. By combination of the BCT fiber, we can design smart diapers or water level detectors, which rapidly monitor the status of smart diapers or water level, and the monitoring result can be transferred on time through an alarm device or smartphone. In short, the scalable and continuous preparation of the self-stretchable BCT helical fiber will provide a capacious platform for the development of a wearable sensor applied in daily life (such as smart diapers, water level detection, etc.)

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Section: Resultsmentioning

confidence: 91%

Section: Resultsmentioning

confidence: 99%

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Self-Stretchable Fiber Liquid Sensors Made with Bacterial Cellulose/Carbon Nanotubes for Smart Diapers

Liang

Zhang

et al. 2022

ACS Appl. Mater. Interfaces

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“…[21][22][23] Derivatives from these polymers have also been extensively investigated. [24][25][26] Apart from these, other polymers like polyindole (PIn), polydiacetylene, etc. have also exhibited superior electrochemical performance.…”

Section: Introductionmentioning

confidence: 99%

Advances in pseudocapacitive and battery-like electrode materials for high performance supercapacitors

et al. 2022

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“…Preparing composite electrodes via surface modification or doping treatment of CNTs with various pseudocapacitance materials has been confirmed as an effective approach to obtain a capacitor with better overall performance. The pseudocapacitance materials such as metal oxides, [22][23][24][25][26] metal sulfides, [27][28][29][30] and conductive polymers, [31][32][33][34][35] have been used for compounding or doping with CNTs to significantly improve the electrochemical performance of the capacitors. Pseudocapacitors store energy through the reversible faradaic reaction of the electrodes.…”

Section: Introductionmentioning

confidence: 99%

Grape‐clustered polyaniline grafted with carbon nanotube woven film as a flexible electrode material for supercapacitors

Shi

et al. 2022

J of Applied Polymer Sci

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The continuously reinforced carbon nanotube woven film (CNWF) prepared via the floating catalytic chemical vapor deposition (FCCVD) was modified by mixed acid and vinyltrimethoxysilane (VTMS) respectively to obtain carbon nanotube woven film (CNWF@VTMS) grafted with CH 2 CH group. A series of novel self-supporting composite electrode materials (CNWF@VTMS/PANI) for supercapacitors were then prepared by in-situ chemical oxidative polymerization of aniline in the presence of the CNWF@VTMS film substrate as a conductive network framework. The results showed that CNWF@VTMS/PANI 14 flexible electrode with grape-clustered structure exhibited the highest specific capacitance of 531.3 F/g and the highest energy density of 26.5 Wh/kg at the current density of 1 A/g. It could maintain 75.1% of the initial value at a high current density of 10 A/g. The excellent electrochemical cycle and the structural stability have been confirmed on the condition of the higher capacitance retention of 96.6% after 2000 times of galvanostatic charge/discharge, and the almost unchanged electrochemical performances after 300 times of bending and twisting. Meanwhile, the stronger interfacial bonding between CNWF and PANI endowed a higher tensile strength of 129.2 MPa.

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Continuous and integrated PEDOT@Bacterial cellulose/CNT hybrid helical fiber with “reinforced cement-sand” structure for self-stretchable solid supercapacitor

Cited by 43 publications

References 77 publications

Self-Stretchable Fiber Liquid Sensors Made with Bacterial Cellulose/Carbon Nanotubes for Smart Diapers

Self-Stretchable Fiber Liquid Sensors Made with Bacterial Cellulose/Carbon Nanotubes for Smart Diapers

Advances in pseudocapacitive and battery-like electrode materials for high performance supercapacitors

Grape‐clustered polyaniline grafted with carbon nanotube woven film as a flexible electrode material for supercapacitors

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