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SONGDO HIGH SCHOOL · READING MATERIALS

The First Step of Infinite Power, Twistron Yarn

By Cheon Ki-min

At present, we live a comfortable life unlike past time because the Twistron yarn were connected, electric energy was generated
so many things are different. One of the biggest changes that can by themselves. Based on these experimental results, the research-
be seen when comparing the past and present is the advance of ers proved applicability as an ‘Energy harvester’ of Twistron yarn.
scientific technique. Among them, the development of new ma- Energy harvester is a device that harvests a small amount of en-
terials is technological innovation. The application of new mate- ergy that is often abandoned and converts it into electric energy.
rials may create another technology. Recently, a thread that can Later, it is expected that the amount of harvested energy can be
produce infinitely electricity called ‘Twistron yarn’ developed by increased by increasing the diameter of the Twistron yarn or by
Professor Kim Seon-jung’s research team is getting attention. connecting it in parallel.

Twistron yarn is a thread made by twisted carbon nanotubes However, the biggest problem of Twistron yarn is economics. It
into a coil shape. The principle of this yarn can be explained is much more expensive than conventional fiber so it is difficult
physically. If this yarn is pulled in the electrolyte, the total volume to be used for general clothing production. However, if the price
decreases as the twist increases. As a result, the electric capacity competitiveness of Twistron yarn is secured, it will have a huge
that can store the electric charge decreases and the electricity is impact on the production of electric energy. It seems that a huge
produced by the electric capacity change amount. According to amount of electrical energy will be harvested from the ocean. In
the researchers, Twistron yarn can turn on a 2.3V green LED light addition, it has the potential to be applied to various fields such
with only 19.2mg. The researchers conducted various experi- as battery-less phones and long-range flying drone. The Twistron
ments using Twistron yarn. For example, when researchers hung yarn will be the foundation for infinite power. Based on this, I
a balloon on the therad at the beach, electrical energy was pro- expect that more improved materials will be developed and make
duced every time a wave hit. Also, when the artificial muscle and life easier.

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