We have used a variety of wearable devices, but soon, we will wear clothes that can charge these devices. In addition to thermoelectric and piezoelectric solutions, Georgia Tech researchers have also developed a special fabric material that can simultaneously draw energy from sunlight and motion. Through weaving, we can apply it to a variety of clothing, clothing, tents, curtains, and other textiles, and the principle of "moving electricity and electricity" is the "triboelectric effect" (two friction materials interact with each other to generate electric charges. ).
Fiber-based "triboelectric nanomotors" and "linear solar cells" are all made of polymer-fiber materials (the raw material is wool).
Prof. Zhong Lin Wang, one of the authors of the study, said: â€œThis hybrid electric fabric provides a novel and simple solution like blowing the sun to the equipment."
During the test, the team placed a small flag made of this material near the window and promised to use it in cloudy weather.
The results showed that even a 4 x 5 cm (1.6 x 2 inch) small piece device can charge 2 millifarad capacitors under sunlight and motion (voltage is charged to 2V in one minute).
Compared with other wearable power generation devices, this kind of power generation is not surprising, but it is sufficient for the smooth operation of some small electronic devices.
Prof. Wang said: â€œThe main part of the fabric is made of common, environmentally friendly and inexpensive polymer materials. The cost of the electrode part is also very low, and the feasibility of large-scale production is very high.â€
In the next step, they will focus on how to improve the durability of fabrics and ensure that the electronic parts are properly protected. For more information, please read the recent issue of Nature Energy.
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