The breakthrough would essentially turn jackets and other clothing into wearable, solar-powered batteries that never need to be plugged in, researchers said.
It could one day revolutionise wearable technology, helping everyone from soldiers who now carry heavy loads of batteries to a texting-addicted teen who could charge his smartphone by simply slipping it in a pocket, they said.
"The idea came to me: We make energy-storage devices and we make solar cells in the labs. Why not combine these two devices together?" said Jayan Thomas, associate professor at University of Central Florida in the US.
"If you can develop self-charging clothes or textiles, you can realise those cinematic fantasies - that is the cool thing," Thomas said.
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Though more comfortable with advanced nanotechnology, Thomas and his team then bought a small, tabletop loom. They wove the ribbons into a square of yarn.
The proof-of-concept shows that the filaments could be laced throughout jackets or other outwear to harvest and store energy to power phones, personal health sensors and other tech gadgets.
"It is hard for the military to deliver batteries to soldiers in hostile environments. A garment like this can harvest and store energy at the same time if sunlight is available," Thomas said.
There are a host of other potential uses, including electric cars that could generate and store energy whenever they are in the sun.
"That is the future. What we have done is demonstrate that it can be made," Thomas said.
The study was published in the journal Nature Communications.
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