Scholars develop liquid metal wires with self-healing capabilities

Researchers at North Carolina State University have discovered a way to make wires using liquid metal and specialty polymers. This wire is extremely resilient and can be used to build complex, self-repairing functions even if it is completely shut off. 3D structure improves the implementation of high-voltage technology. To create this self-healing wire, North Carolina State University's scholars have also specialized in the manufacture of a polymeric sheath. The liquid alloy metal of indium and niobium is then placed in this equally ductile jacket channel.

The alloy is still liquid after it is put into the sheath, so it has better flexibility and high flexibility. Even if the metal wire and sheath made of it are cut off accidentally, the liquid metal will be immediately oxidized after being exposed to form a strong outer layer to prevent the metal from leaking. At this point, the fractured sides are rejoined to reconnect the liquid metal and the sheath can be reconstituted. The final joint effect and fracture are the same.

Dr. Michael Dickey, assistant professor of chemical and biological molecular engineering at North Carolina, and a co-author of the report, said: "This achievement has been very exciting because it means that we can make more complex circuits in the future and we have to Circuits made from this material are reconfigured and can be easily done with just one pair of scissors.”

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