Copper's biggest rival yet? New carbon nanotube fibers could reshape wiring for EVs, drones and aircraft
Spanish researchers have demonstrated a scalable manufacturing process for carbon nanotube (CNT) fibers with electrical conductivity comparable to that of copper and aluminum. The result, published in Science, is a breakthrough for the future of electrification in aerospace, electric vehicles (EVs), drones and related applications, which require lightweight and high-strength electrical wiring. CNTs have long been considered as ideal building blocks for electrical conductors, owing to their unique combination of low density and electrical, thermal and mechanical properties. Until now, however, they have not offered the electrical conductivity required to present a realistic alternative at an industrial scale to traditional materials, in particular copper.
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