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In this Letter, high-purity, KAuBr4-treated single-wall carbon nanotube (SWCNT) materials are utilised as outer conductors in coaxial cables. The attenuation/length is within Mil-C-17 specification and nearly equivalent to traditional copper outer conductors up to 3 GHz. The improved transmission performance is attributed to higher conductivity and density of the SWCNT network which creates enhanced...
The scarcity of ore and environmental intensity of copper production creates a strong incentive to explore alternative materials for conducting electricity. Single-walled carbon nanotubes (SWCNT) rely on plentiful feedstock materials (i.e., graphite) and exhibit high theoretical conductivity on a per mass basis. However, bulk conductivities measured at the laboratory scale indicate further improvements...
The energy consumed to produce and purify a kilogram of laser vaporization SWCNTs at the laboratory scale was found to be 0.13-0.19 GWh/kg under standard production conditions, with 0.114 GWh/kg coming from electrical energy. Most of the energy consumption results from thermal and resistive losses of the laser and single zone furnace in use. The time and temperature of final oxidation of the material...
Due to their unique electrical, thermal, and mechanical properties, single wall carbon nanotubes (SWCNTs) have attracted considerable interest for use in a number of applications such as lithium ion batteries, fuel cells, and conductive wiring. However, the energy required to synthesize and purify SWCNTs in the manufacturing phase must be considered in order to fully realize the benefits in the use...
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