High strength – High conductivity double-walled carbon nanotube – Copper composite wires

Arnaud, Claire; Lecouturier, Florence; Mesguich, David; Ferreira, Nelson; Chevallier, Geoffroy; Estournès, Claude; Weibel, Alicia; Billon, Laurent

doi:10.1016/j.carbon.2015.09.061

Cited by 70 publications

(57 citation statements)

References 13 publications

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“…These are significantly better strength/conductivity combinations compared to Cu-based alloys ( [4] and references therein). The UTS are 50% and 20% higher than for cryo-drawn Cu wires [8] and DWCNT-Cu wires [12], respectively. Such high UTS values at 77 K are interesting for non-destructive pulsed magnets operating in liquid nitrogen [23].…”

Section: −1mentioning

confidence: 77%

“…Strengthening of the wires originates from the propagation of dislocations by an Orowan-type dislocation glide mechanism in grains smaller than 250 nm [9]. Double-walled carbon nanotube (DWCNT)-Cu wires show a higher UTS than the Cu wires but also a higher resistivity at 77 K [12]. Here, we show that the preparation of SPS cylinders with a bimodal, as opposed to unimodal, Cu grain size distribution ultimately favors strengthening the wires while limiting the increase in electrical resistivity.…”

Section: T R a C Tmentioning

confidence: 99%

“…Cu and CNT-Cu cylinders (diameter 8 mm and length 33 mm) were prepared by SPS (PNF 2 -Toulouse, Dr. Sinter 2080, SPS Syntex Inc., Japan) using 8 mm inner diameter WC/Co dies according to a procedure described elsewhere [12], changing only the heating rates: 25°C·min No phase change such as carbide formation was detected by X-ray diffraction in agreement with other works [13,16,17]. The cylinders relative density (Archimedes' method) is equal to 94 ± 1% (U samples) and 88 ± 2% (B samples).…”

Section: T R a C Tmentioning

confidence: 99%

“…Typical stress-strain curves for similar wires and details about UTS calculation from such data are shown elsewhere [9,12]. The UTS at 293 K (Fig.…”

Section: −1mentioning

confidence: 99%

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High strength-high conductivity carbon nanotube-copper wires with bimodal grain size distribution by spark plasma sintering and wire-drawing

et al. 2017

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Section: −1mentioning

confidence: 77%

Section: T R a C Tmentioning

confidence: 99%

Section: T R a C Tmentioning

confidence: 99%

“…Typical stress-strain curves for similar wires and details about UTS calculation from such data are shown elsewhere [9,12]. The UTS at 293 K (Fig.…”

Section: −1mentioning

confidence: 99%

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High strength-high conductivity carbon nanotube-copper wires with bimodal grain size distribution by spark plasma sintering and wire-drawing

et al. 2017

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“…19,20 Research into CNT composites such as metal/CNT composites has thus been actively pursued. 21,22 A 3D-copper nanostructured architecture containing CNTs (3DC/CNT composite) is thus considered to be an attractive copper-based 3D composite material that would have sufficient structural strength due to the reinforcement effect of the CNTs. If a 3DC/CNT composite could be fabricated by a simple method, then the 3DC/CNT composite materials would be expected to be used for a wider range of practical applications.…”

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confidence: 99%

Fabrication of Three-Dimensional (3D) Copper/Carbon Nanotube Composite Film by One-Step Electrodeposition

Arai

Ozawa

Shimizu

2016

J. Electrochem. Soc.

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A three-dimensional (3D) composite film containing copper nanostructures and carbon nanotubes (3DC/CNT composite film) was fabricated by one-step electrodeposition. The 3DC/CNT composite film was formed under galvanostatic conditions using a copper sulfate bath containing CNTs and polyacrylic acid which acts as both a 3DC-forming and a CNT-dispersing agent. The composite film consists of thin copper sheets with thicknesses of ca. 70-80 nm and CNTs, with large interior spaces between sheets. The CNTs were homogeneously distributed inside the composite film and were fixed by the copper sheets where CNTs pierce the copper sheets. The CNT content in the composite films increased with the CNT concentration of the plating bath. The 3DC film without CNTs did not maintain its 3D spaces when the film thickness was increased due to insufficient structural strength, whereas the 3DC/CNT composite film maintained the 3D spaces despite an increase in film thickness, which suggests that the CNTs reinforce the film to maintain the 3D spaces. Three-dimensional (3D) nanostructured metal architectures typically exhibit large specific surface areas and high electrical conductivity; therefore, their application as electrodes in functional devices such as supercapacitors, 1 fuel cells 2 and batteries 3 have been widely researched. For these potential applications, the use of 3D copper nanostructured architectures 4-8 is most attractive. However, although 3D copper nanostructured architectures are very effective to improve electrode functions, their manufacture requires many steps and is therefore complex. Our group has previously developed a very straightforward method for the fabrication of 3D copper nanostructured architectures by electrodeposition, in which an organic additive is simply added to an electrodeposition bath.9 This process for the preparation of 3D copper nanostructured architecture films by onestep electrodeposition (the resulting products henceforth being designated as 3DC1 film) is expected to be used as a practical method for the fabrication of various components, such as current collectors for tin-based lithium-ion battery anodes.10 However, the 3DC1 film consists of very thin (30-50 nm) copper sheets; therefore, its structural strength is low, which results in deformation of the 3D structure when a slight physical force is applied.In contrast, carbon nanotubes (CNTs) 11,12 have excellent mechanical characteristics, 13-15 such as high tensile strength and high elastic modulus, in addition to high thermal [16][17][18] and electrical conductivity. 19,20 Research into CNT composites such as metal/CNT composites has thus been actively pursued.21,22 A 3D-copper nanostructured architecture containing CNTs (3DC/CNT composite) is thus considered to be an attractive copper-based 3D composite material that would have sufficient structural strength due to the reinforcement effect of the CNTs. If a 3DC/CNT composite could be fabricated by a simple method, then the 3DC/CNT composite materials would be expected to be used for ...

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Advanced Electrical Conductors: An Overview and Prospects of Metal Nanocomposite and Nanocarbon Based Conductors

Tehrani

2021

Physica Status Solidi (a)

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Advanced electrical conductors that outperform copper and aluminum can revolutionize our lives by enabling billions of dollars in energy savings and facilitating a transition to an electric mobility future. Nanocarbons (carbon nanotubes and graphene) present a unique opportunity for developing advanced conductors for electrical power, communications, electronics, and electric machines for the defense, energy, and automotive industries. Herein, the major research progress in the field of advanced nanocarbon-based and metalnanocarbon conductors is compiled. The benefits and drawbacks of advanced conductors are also elucidated with respect to conventional ones and their materials science, mechanical and physical properties, and characterization are discussed. Finally, several areas of future research for advanced electrical conductors are proposed.

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High strength – High conductivity double-walled carbon nanotube – Copper composite wires

Abstract: OATAO is an open access repository that collects the work of Toulouse researchers and makes it freely available over the web where possible.

Cited by 70 publications

References 13 publications

High strength-high conductivity carbon nanotube-copper wires with bimodal grain size distribution by spark plasma sintering and wire-drawing

High strength-high conductivity carbon nanotube-copper wires with bimodal grain size distribution by spark plasma sintering and wire-drawing

Fabrication of Three-Dimensional (3D) Copper/Carbon Nanotube Composite Film by One-Step Electrodeposition

Advanced Electrical Conductors: An Overview and Prospects of Metal Nanocomposite and Nanocarbon Based Conductors

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