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Title: Lightweight, flexible, high-performance carbon nanotube cables made by scalable flow coating

Journal Article · · ACS Applied Materials and Interfaces
 [1];  [2];  [3];  [4];  [1];  [1];  [5];  [1];  [1];  [6];  [3];  [3];  [1]
  1. Rice Univ., Houston, TX (United States)
  2. National Institute of Standard and Technology, Boulder, CO (United States); National Institute of Standard and Technology, Gaithersburg, MD (United States)
  3. National Institute of Standard and Technology, Gaithersburg, MD (United States)
  4. National Institute of Standard and Technology, Gaithersburg, MD (United States); Univ. of Maryland, College Park, MD (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  5. National Institute of Standard and Technology, Gaithersburg, MD (United States); Univ. of Maryland, College Park, MD (United States)
  6. National Institute of Standard and Technology (NIST), Gaithersburg, MD (United States)

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. In conclusion, this high conductivity makes CNT coaxial cables an attractive alternative to commercial cables with a metal (tin-coated copper) OC, providing comparable cable attenuation and mechanical durability with a 97% lower component mass.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1261521
Journal Information:
ACS Applied Materials and Interfaces, Vol. 8, Issue 7; ISSN 1944-8244
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 31 works
Citation information provided by
Web of Science

References (30)

Carbon nanotube wires and cables: Near-term applications and future perspectives journal January 2011
Electromagnetic interference shielding effectiveness of carbon materials journal February 2001
Carbon Nanotubes: Present and Future Commercial Applications journal January 2013
Exceptionally high Young's modulus observed for individual carbon nanotubes journal June 1996
Mechanical and thermal properties of carbon nanotubes journal January 1995
Carbon Nanotubes--the Route Toward Applications journal August 2002
Single-Wall Carbon Nanotube Films journal January 2003
Challenges and Opportunities in Multifunctional Nanocomposite Structures for Aerospace Applications journal April 2007
High-Performance, Lightweight Coaxial Cable from Carbon Nanotube Conductors journal February 2012
Coaxial cables with single-wall carbon nanotube outer conductors exhibiting attenuation/length within specification journal September 2012
Fluid Coating from a Polymer Solution journal March 1998
High-Performance Carbon Nanotube Transparent Conductive Films by Scalable Dip Coating journal October 2012
Phase Behavior and Rheology of SWNTs in Superacids journal January 2004
Continuous and Scalable Fabrication of Transparent Conducting Carbon Nanotube Films journal March 2009
Shear rheology of carbon nanotube suspensions journal January 2010
Oriented, polymer-stabilized carbon nanotube films: influence of dispersion rheology journal December 2012
SANS Analysis of the Molecular Order in Poly(γ-benzyl l -glutamate)/Deuterated Dimethylformamide (PBLG/d-DMF) under Shear and during Relaxation journal January 1996
In situ neutron scattering study of structural transitions in fibrin networks under shear deformation journal January 2011
True solutions of single-walled carbon nanotubes for assembly into macroscopic materials journal November 2009
Magnetically aligned single wall carbon nanotube films: Preferred orientation and anisotropic transport properties journal February 2003
Alignment dependence of one-dimensional electronic hopping transport observed in films of highly aligned, ultralong single-walled carbon nanotubes journal May 2009
Conductivity anisotropy of assembled and oriented carbon nanotubes journal December 2011
Electrical Connectivity in Single-Walled Carbon Nanotube Networks journal November 2009
Spatially Resolved Transport Properties of Pristine and Doped Single-Walled Carbon Nanotube Networks journal June 2013
Strong, Light, Multifunctional Fibers of Carbon Nanotubes with Ultrahigh Conductivity journal January 2013
Direct imaging of carbon nanotubes spontaneously filled with solvent journal January 2011
A multiline method of network analyzer calibration journal July 1991
Exploiting dimensionality and defect mitigation to create tunable microwave dielectrics journal October 2013
Quantitative Permittivity Measurements of Nanoliter Liquid Volumes in Microfluidic Channels to 40 GHz journal December 2010
Films of non-Newtonian fluids adhering to flat plates journal May 1965

Cited By (3)

Carbon‐Nanotube‐Based Electrical Conductors: Fabrication, Optimization, and Applications journal April 2019
Photonic Sorting of Aligned, Crystalline Carbon Nanotube Textiles journal October 2017
Photonic Sorting of Aligned, Crystalline Carbon Nanotube Textiles text January 2017