Synthesis of carbon nanotubes on carbon fibers by means of two-step thermochemical vapor deposition

Sonoyama, Noriyuki; Ohshita, Mikio; Nijubu, Akio; Nishikawa, Hidetoshi; Yanase, Hironori; Hayashi, Jun Ichiro; Chiba, Tadatoshi

doi:10.1016/j.carbon.2005.12.039

Cited by 52 publications

(41 citation statements)

References 14 publications

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“…The average density of growth, ~ 2 x 10 10 cm -2 was obtained by SEM imaging. This compares well with Sonoyama et al [24], who reported a density of 2 -6 x 10 9 /cm 2 and Zhang et al [9] who reported 8 x 10 9 /cm 2 .…”

Section: Analysis Of Growth Of Cntssupporting

confidence: 90%

Development of sizing-free multi-functional carbon fibre nanocomposites

Pozegic

Jayawardena

Chen

et al. 2016

Composites Part A: Applied Science and Manufacturing

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General rightsThis document is made available in accordance with publisher policies. Please cite only the published version using the reference above. Full terms of use are available: http://www.bristol.ac.uk/pure/about/ebr-terms AbstractHigh quality multi-walled carbon nanotubes (CNTs) grown at high density using a low temperature growth method are used as an alternative material to polymer sizing and is utilised in a series of epoxy composites reinforced with carbon fibres to provide improved physical and electrical properties. We report improvements for sizing-sensitive mechanical and physical properties, such as the interfacial adhesion, shear properties and handling of the fibres, whilst retaining resin-infusion capability. Following fibre volume fraction normalisation, the carbon nanotube-modified carbon fibre composite offers improvements of 146 % increase in Young's modulus; 20% increase in ultimate shear stress; 74 % increase in shear chord modulus and an 83 % improvement in the initial fracture toughness. The addition of CNTs imparts electrical functionalisation to the composite, enhancements in the surface direction are 400%, demonstrating a suitable route to sizing-free composites with enhanced mechanical and electrical functionality.

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Section: Analysis Of Growth Of Cntssupporting

confidence: 90%

Development of sizing-free multi-functional carbon fibre nanocomposites

Pozegic

Jayawardena

Chen

et al. 2016

Composites Part A: Applied Science and Manufacturing

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“…42 It has been suggested that it is more difficult to grow CNTs on carbon fibre substrates than on quartz. The proposed reason is that the catalytic nanoparticles readily react with carbon fibre matrices to form mixed sp 2 -sp 3 carbons which result in a decreased number of catalytic nanoparticles remaining on the carbon fibre surface.…”

Section: Capacitance Of the Cnf/cnts Samplesmentioning

confidence: 99%

Growth of Carbon Nanotubes on Electrospun Cellulose Fibers for High Performance Supercapacitors

Deng

Kim

et al. 2017

J. Electrochem. Soc.

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We report the production of cellulose-derived hybrid carbon nanofiber (CNF)/ carbon nanotubes (CNTs) electrodes for the fabrication of high-performance supercapacitors. The CNTs were grown via a floating catalyst chemical vapor deposition (CVD) method on the top surface of electrospun cellulose-derived CNFs. The morphology of these hybrid CNF/CNTs fibrous structures was investigated using scanning electron and transmission electron microscopy. The development of these carbon structures was characterized using Raman spectroscopy. The electrochemical performance of the devices including cyclic voltammetry (CV), galvanostatic charge/discharge (GCD), electrochemical impedance spectroscopy measurements (EIS), and electrochemically stability was carried out. These hybrid CNF/CNTs electrodes had a high value of specific capacitance of 149 F g −1 at a current density 0.5 A g −1 , an increase of 15% compared with pristine CNFs. The BET specific surface area increases from 712 m 2 g −1 to 1211 m 2 g −1 from pristine CNFs to hybrid CNF/CNTs, leading to a specific capacitance (per unit area) of ∼170 mF cm −2 . These supercapacitors also retain 90% of the original capacitance over 1000 cycles, showing an excellent stability. This method of supercapacitor electrode production is suggested as a basis to convert a sustainable cellulosic material into a useful energy storage material.

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“…Therefore, the preparation of catalyst nanoparticles has played an important role in the growth of CNFs on the CF substrate. Several catalyst preparation methods have been reported in the literature [139,141,152]. Sun et al reported the growth of CNTs on carbon paper by ohmically heating silane-dispersed catalytic sites [152].…”

Section: Nanocarbon Coating On Carbon Fibersmentioning

confidence: 99%

Carbon Fibers and Their Composites

Park

Kim

2014

Springer Series in Materials Science

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Traditionally, the application of carbon fibers has been limited to very special fields such as aerospace and military because of their high cost. However, various techniques for low-cost carbon fibers are under development in terms of using low-cost precursors, low-cost manufacturing processes, and even functional coating methods. Moreover, future applications of carbon fibers can widen not only as structural reinforcements but also in information technology-based applications such as housings for electric devices, smart cloths, and healthcare items. In this chapter, we will cover the carbon fibers and their composites in recent various applications. In particular, there are classified as a low-cost production technique of carbon fibers for general industries, thin carbon fibers for extreme industries, and functional carbon fibers for smart composites.

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Synthesis of carbon nanotubes on carbon fibers by means of two-step thermochemical vapor deposition

Cited by 52 publications

References 14 publications

Development of sizing-free multi-functional carbon fibre nanocomposites

Development of sizing-free multi-functional carbon fibre nanocomposites

Growth of Carbon Nanotubes on Electrospun Cellulose Fibers for High Performance Supercapacitors

Carbon Fibers and Their Composites

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