2020
DOI: 10.1021/acsami.9b21874
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Ti3C2Tx Nanosheets/Ti3C2Tx Quantum Dots/RGO (Reduced Graphene Oxide) Fibers for an All-Solid-State Asymmetric Supercapacitor with High Volume Energy Density and Good Flexibility

Abstract: By using Ti3C2T x quantum dots as interlayer spacers, Ti3C2T x nanosheets/Ti3C2T x quantum dots/RGO (reduced graphene oxide) fiber (M6M3RG1) is prepared by a wet-spinning method; it shows good capacitance and excellent flexibility. The M6M3RG1 fiber electrode possesses a novel network structure and a maximum volumetric capacitance of 542 F cm–3, and its capacitance and flexibility are affected by the amount of Ti3C2T x quantum dots. Also, the Ti3C2T x /PEDOT:PSS [poly­(3,4-ethylenedioxythiophene):poly­(sty… Show more

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Cited by 68 publications
(46 citation statements)
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“…From the GCD curves of two devices at different current densities (0.25-1.0 A cm −3 ), their capacitances are calculated to be 295 F cm −3 for F-MMT/PVA OHGE T/A-5 FSC and 250 F cm −3 for PVA HGE T/A-5 FSC at a current density of 0.25 A cm −3 (Figure 5f), which is higher than most reported MXene-based FSCs (Table 2). [7,8,10,51,52] After 10 000 charging/discharging cycles at a current density of 5 A cm −3 , the two devices still maintain good capacitance retention rates. It is 91% for F-MMT/PVA OHGE T/A-5 FSC and 87% for PVA HGE T/A-5 FSC (Figure 5g), which is approximate to previously reported MXene-based FSCs.…”
Section: Resultsmentioning
confidence: 98%
“…From the GCD curves of two devices at different current densities (0.25-1.0 A cm −3 ), their capacitances are calculated to be 295 F cm −3 for F-MMT/PVA OHGE T/A-5 FSC and 250 F cm −3 for PVA HGE T/A-5 FSC at a current density of 0.25 A cm −3 (Figure 5f), which is higher than most reported MXene-based FSCs (Table 2). [7,8,10,51,52] After 10 000 charging/discharging cycles at a current density of 5 A cm −3 , the two devices still maintain good capacitance retention rates. It is 91% for F-MMT/PVA OHGE T/A-5 FSC and 87% for PVA HGE T/A-5 FSC (Figure 5g), which is approximate to previously reported MXene-based FSCs.…”
Section: Resultsmentioning
confidence: 98%
“…Therefore, MXene-based composite fibers by wet-spinning method were prepared. [69] Zhou et al [64] developed Ti 3 C 2 T x nanosheets/Ti 3 C 2 T x quantum dots/rGO fibers and Ti 3 C 2 T x nanosheets/PEDOT:PSS fibers for asymmetric supercapacitor via a wet-spinning approach (Figure 6a). The volumetric capacitance of the assembled 1D fibrous supercapacitor was 53.1 F cm −3 .…”
Section: Potential Applications Of Mxene-based Wearable Sensorsmentioning
confidence: 99%
“…These MXene-based fibers not only showed high electrochemical performance (the volumetric capacitance reached ≈341 F cm −3 ) and conductivity Reproduced with permission. [64] Copyright 2020, American Chemical Society. b) Diagram of the fabrication procedure of rGO/MXene fibrous composites.…”
Section: Potential Applications Of Mxene-based Wearable Sensorsmentioning
confidence: 99%
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“…The bers and networks, which can be as low as nanoscale, exhibit stable mechanical properties and play a crucial part in the development and manufacturing of exible electronic devices, there have been several successful cases of fabricating sensors based on Ti 3 C 2 T x MXene bers. 21,76,77 Electrospinning is a typical manufacturing method of nanobers, and its simple, high-volume production method can provide a large area of the substrate for Ti 3 C 2 T x MXene. Fu et al prepared a 3D polyacrylonitrile (PAN) network by electrospinning and then injected Ti 3 C 2 T x MXene into the network by vacuum ltration technology.…”
Section: Mxene Based Bers and Network For Force Sensorsmentioning
confidence: 99%