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Nanomaterials 2019, 9(3), 383; https://doi.org/10.3390/nano9030383

High Ampacity Carbon Nanotube Materials

1
Departamento de Ciencia e Ingeniería de Materiales e Ingeniería Química (IAAB), Universidad Carlos III de Madrid, 28911 Leganés, Madrid, Spain
2
IMDEA Materials Institute, Eric Kandel 2, Getafe, 28906 Madrid, Spain
3
Departamento de Ingeniería Eléctrica, Universidad Carlos III de Madrid, 28911 Leganés, Madrid, Spain
*
Authors to whom correspondence should be addressed.
Received: 30 January 2019 / Revised: 19 February 2019 / Accepted: 22 February 2019 / Published: 6 March 2019
(This article belongs to the Special Issue The Synthesis and Applications of Carbon Nanotubes)
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Abstract

Constant evolution of technology is leading to the improvement of electronical devices. Smaller, lighter, faster, are but a few of the properties that have been constantly improved, but these developments come hand in hand with negative downsides. In the case of miniaturization, this shortcoming is found in the inherent property of conducting materials—the limit of current density they can withstand before failure. This property, known as ampacity, is close to reaching its limits at the current scales of use, and the performances of some conductors such as gold or copper suffer severely from it. The need to find alternative conductors with higher ampacity is, therefore, an urgent need, but at the same time, one which requires simultaneous search for decreased density if it is to succeed in an ever-growing electronical world. The uses of these carbon nanotube-based materials, from airplane lightning strike protection systems to the microchip industry, will be evaluated, failure mechanisms at maximum current densities explained, limitations and difficulties in ampacity measurements with different size ranges evaluated, and future lines of research suggested. This review will therefore provide an in-depth view of the rare properties that make carbon nanotubes and their hybrids unique. View Full-Text
Keywords: ampacity; carbon-nanotubes; composites; interconnects; electromigration; diffusion; current carrying capacity; miniaturization; electronics ampacity; carbon-nanotubes; composites; interconnects; electromigration; diffusion; current carrying capacity; miniaturization; electronics
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Mokry, G.; Pozuelo, J.; Vilatela, J.J.; Sanz, J.; Baselga, J. High Ampacity Carbon Nanotube Materials. Nanomaterials 2019, 9, 383.

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