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Electric textile lights a lamp when stretched

Anja Lund demonstrates the technology with a piece of the electric textile in the shoulder strap of a bag (the lighter-coloured part). When the textile is stretched it builds up voltage in a capacitor until the voltage is high enough to intermittently power a connected LED. If the entire bag were made from the electric textile it could generate sufficient voltage to e.g. power an LED continuously.
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  • Length: 0:36
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Electric textile lights a lamp when stretched

Working up a sweat from carrying a heavy load? That is when the textile works at its best. Swedish researchers have developed a fabric that converts kinetic energy into electric power. The greater the load applied to the textile and the wetter it becomes the more electricity it generates. The results are now published in the Nature Partner journal Flexible Electronics.