Flexible, weavable and efficient microsupercapacitor wires based on polyaniline composite fibers incorporated with aligned carbon nanotubes

Cai, Zaisheng; Li, Li; Ren, Jing; Qiu, Longbin; Lin, Huijuan; Peng, Huisheng

doi:10.1039/c2ta00274d

Cited by 218 publications

(147 citation statements)

References 29 publications

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“…Owing to the random aggregation of CNTs commonly observed in typical solution processing, charges have to cross many boundaries in random CNT networks with low transfer efficiency, resulting in poor electrochemical performance of the CNTs [58][59][60][61][62][63][64][65][66]. Aligned carbon nanotubes, called as carbon nanotube arrays, have excellent electrical conductivity and provide an outstanding charge transfer rate [63].…”

Section: Cnt Arraysmentioning

confidence: 99%

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Recent advances in flexible supercapacitors based on carbon nanotubes and graphene

Zhang

2017

Sci. China Mater.

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Section: Cnt Arraysmentioning

confidence: 99%

“…In addition, the values of specific capacitances remain unchanged when the bending angle of the supercapacitor increased from 0 to 180°. A weavable wireshaped microsupercapacitor has also been fabricated using PANI incorporated aligned MWCNT composite fibers [62]. SEM images (Fig.…”

Section: Cnt Arraysmentioning

confidence: 99%

Recent advances in flexible supercapacitors based on carbon nanotubes and graphene

Zhang

2017

Sci. China Mater.

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“…Examples of fibres made from different carbons include a reduced graphene oxide (rGO)/CNT fibre [11], hybrid CNT/ ordered mesoporous carbon fibre [10] and CNT/graphene yarn [12] to mention but a few. On the other hand, combining pseudocapacitive materials such as transition metal oxides or conducting polymers with nanostructured carbons results in excellent supercapacitors due to the synergistic effects of increased electrical conductivity and specific capacitance [13]. Among metal oxides, the natural abundance of MnO 2 renders it a highly sustainable resource for next generation energy storage devices.…”

Section: Introductionmentioning

confidence: 99%

Ternary composite solid-state flexible supercapacitor based on nanocarbons/manganese dioxide/PEDOT:PSS fibres

García-Torres

Crean

2018

Materials & Design

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Flexible fibre supercapacitors were fabricated by wet-spinning from carbon nanotube/carbon black dispersions, followed by straightforward surface treatments to sequentially deposit MnO2 and PEDOT:PSS to make ternary composite fibres. Dip coating the fibres after the initial wet-spinning coagulation creates a simple solution-based continuous process to produce fibre-based energy storage. Well-controlled depositions were achieved and have been optimised at each stage to yield the highest specific capacitance. A single ternary composite fibre exhibited a specific capacitance of 351 F g-1. Two ternary composite fibre electrodes were assembled together in a parallel solid-state device, with polyvinyl alcohol/H3PO4 gel used as both an electrolyte and a separator. The assembled flexible device exhibited a high specific capacitance of 51.3 F g-1 with excellent both charge-discharge cycling (84.2% capacitance retention after 1000 cycles) and deformation cycling stability (82.1% capacitance retention after 1000 bending cycles). *Graphical Abstract Click here to download high resolution image Highlights

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“…And in the third type, the core electrode, separator or solid polymer electrolyte and outer electrode are assembled layer by layer. These yarn supercapacitors have yielded double-layer capacitances in the range of 0.01-6.30 mF cm -1 , and pseudo-capacitance values up to 263 mF cm -1 [23].…”

Section: Introductionmentioning

confidence: 99%

“…Alternatively carbon fibres [14], reduced graphene oxide (rGO) fibres [15], carbon nanotube(CNT) fibres [16], or composites containing them have been used [17][18][19][20][21][22][23]. Several device architectures have been developed for yarn supercapacitors.…”

Section: Introductionmentioning

confidence: 99%

3D braided yarns to create electrochemical cells

Zhao

Farajikhah

Wang

et al. 2015

Electrochemistry Communications

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The demands for new configurations of electrochemical cells continue to grow and novel approaches are being enabled by the advent of new electromaterials and novel fabrication strategies. Wearable energy storage devices that can be seamlessly integrated into garments are a critical component of the wearable electronics genre. Recently, flexible yarn supercapacitors have attracted significant attention due to their ability to be integrated into fabrics, or stitched into existing textiles. Large-scale production of yarn supercapacitors using conventional manufacturing processes, however, is still a challenge. Here, we introduce the use of braiding technology to achieve a predetermined arrangement of fibre electrodes, the basis of a mass fabrication protocol to produce specific electrochemical cells: wearable supercapacitors. The resultant supercapacitors show a high capacitance of 1.71 mF cm-1. The structure is highly flexible with a 25% capacitance loss recorded after 1000 bending cycles. This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. Fax: +61 2 42981499 E-mail: foroughi@uow.edu.au # These authors contributed equally in this paper. A C C E P T E D M A N U S C R I P T A C C E P T E D M A N U S C R I P T ACCEPTED MANUSCRIPT 2 AbstractThe demands for new configurations of electrochemical cells continues to grow and novel approaches are being enabled by the advent of new electromaterials and novel fabrication strategies. Wearable energy storage devices that can be seamlessly integrated into garments are a critical component of the wearable electronics genre. Recently, flexible yarn supercapacitors have attracted significant attention due to their ability to be integrated into fabrics, or stitched into existing textiles. Large-scale production of yarn supercapacitors using conventional manufacturing processes, however, is still a challenge.Here, we introduce the use of braiding technology to achieve a predetermined arrangement of fibre electrodes, the basis of a mass fabrication protocol to produce specific electrochemical cells: wearable supercapacitors. The resultant supercapacitors show a high capacitance of 1.71 mF cm -1 . The structure is highly flexible with a 25% capacitance loss recorded after 1000 bending cycles.

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Flexible, weavable and efficient microsupercapacitor wires based on polyaniline composite fibers incorporated with aligned carbon nanotubes

Cited by 218 publications

References 29 publications

Recent advances in flexible supercapacitors based on carbon nanotubes and graphene

Recent advances in flexible supercapacitors based on carbon nanotubes and graphene

Ternary composite solid-state flexible supercapacitor based on nanocarbons/manganese dioxide/PEDOT:PSS fibres

3D braided yarns to create electrochemical cells

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