Clothing could power smartphones with solar energy


Wednesday, 12 October, 2016

Batteries in smartphones and other portable electronics often die at inopportune times. While carrying a spare battery is one solution, researchers have also tried to create fibres to incorporate into clothing that would power these devices.

Now, Chinese scientists have reported the first fibres suitable for weaving into tailorable textiles that can capture and release solar energy. Their work has been published in the journal ACS Nano.

To collect solar power, Wenjie Mai, Xing Fan and colleagues created two different types of fibres. One contained titanium or a manganese-coated polymer along with zinc oxide, a dye and an electrolyte. These fibres were then interlaced with copper-coated polymer wires to create the solar cell section of the textile.

To store power, the researchers developed a second type of fibre. This one was made of titanium, titanium nitride, a thin carbon shell to prevent oxidation and an electrolyte. These fibres were woven with cotton yarn.

When combined, the new materials formed a flexible textile that the team could cut and tailor into a ‘smart garment’ that was fully charged by sunlight. The researchers say the clothing could potentially power small electronics including tablets and phones.

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