Electrically conductive and heat sinks

The high electrical conductivity of carbon nanotubes (107 Sm/m) in combination with lightweight properties affords a lot of opportunities for their use in electroconductive elements. Indeed, the electrical conductivity of CNTs is comparable with electrical conductivity of metals, but due to their low density (<2 g/cm³) their conductivity corresponds to or exceeds the conductivity of many metals (aluminum, copper and etc). Also weight is a significant cost driver for the aerospace industry, which will benefit from lightweight wires and cable CNTs even by increasing the resistance. Wires. Wires used in shipbuilding are exposed to direct action of seawater, which makes chemical inertness a critical parameter for long-term use. The thermal conductivity of carbon nanotubes can reach 759 W/m×K, which is much higher than the thermal conductivity of copper-385 W/m×K and aluminum-247 W/m×K. This makes it possible to provide much more efficient heat removal in comparison with the materials currently used in electronics, engine building, etc. Radiators made of nanotubes much more efficient heat removal from powerful chips.