Lightweight, Flexible, High-Performance Carbon Nanotube Cables Made by Scalable Flow Coating

ACS Applied Materials & Interfaces
Francesca MirriMatteo Pasquali

Abstract

Coaxial cables for data transmission are ubiquitous in telecommunications, aerospace, automotive, and robotics industries. Yet, the metals used to make commercial cables are unsuitably heavy and stiff. These undesirable traits are particularly problematic in aerospace applications, where weight is at a premium and flexibility is necessary to conform with the distributed layout of electronic components in satellites and aircraft. The cable outer conductor (OC) is usually the heaviest component of modern data cables; therefore, exchanging the conventional metallic OC for lower weight materials with comparable transmission characteristics is highly desirable. Carbon nanotubes (CNTs) have recently been proposed to replace the metal components in coaxial cables; however, signal attenuation was too high in prototypes produced so far. Here, we fabricate the OC of coaxial data cables by directly coating a solution of CNTs in chlorosulfonic acid (CSA) onto the cable inner dielectric. This coating has an electrical conductivity that is approximately 2 orders of magnitude greater than the best CNT OC reported in the literature to date. This high conductivity makes CNT coaxial cables an attractive alternative to commercial cables with a me...Continue Reading

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Citations

Oct 13, 2017·Scientific Reports·John S BulmerWilliam O'Neill
Jan 6, 2021·Journal of Applied Toxicology : JAT·Nhuan Thi DoSe-Hwa Kim
Mar 15, 2021·Journal of Colloid and Interface Science·Chong XieXifei Li
Jul 20, 2021·Advanced Materials·John S BulmerJames A Elliott

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