Nanotube-Based Yarns Harvest Energy From Twisting and Stretching

Nanotube yarns offer an alternative to piezoelectric and triboelectric devices for harvesting energy

3 min read

Illustration of a torsionally tethered coiled harvester electrode and counter and reference electrodes in an electrochemical bath, showing the coiled yarn before and after stretch.
Illustration of a torsionally tethered coiled harvester electrode and counter and reference electrodes in an electrochemical bath, showing the coiled yarn before and after stretch.
Illustration: Shi Hyeong Kim/Hanyang University, Seoul, South Korea