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Jul 20, 2022

Rewriting the history of K-carbon fiber manufacturing with carbon nanotubes

Posted by in categories: nanotechnology, space travel

A space elevator, a technology connecting the Earth’s surface to a space station, would allow for the cost-efficient transport of people and materials. However, a very light yet strong material is essential to making such a technology a reality.

The carbon nanotube is a material that is 100 times stronger, yet four times lighter, than steel, with copper-like high electrical conductivity and diamond-like thermal conductivity. However, previous carbon nanotube fibers were not ideal for extensive use, owing to the small contact area with adjacent carbon nanotubes and limited length they possessed.

Figure 1. Schematic of the structural changes of carbon nanotubes at different annealing temperatures. (Image: Korea Institute of Science and Technology)

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