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Tuesday, January 22, 2019

Your Jeans Could Someday Power Your Phone

Soon you may never have to fret about your smartphone running out of juice. Your clothing will simply power it back up for you. That's the word from scientists at China's Chongqing and Jinan Universities in a study just published in the journal ACS Nano.

Researchers have been hard at work during the last few years trying to create wearable energy, or clothes that can charge things. The premise is simple. People today rely heavily upon devices such as smartphones and tablets. 

And they're looking for ways to recharge these devices on the go. So if you could devise clothing fabric that could harness solar power —one of the most widely available and inexhaustible renewable energy sources — you'd be able to charge your various gadgets with ease.

The researchers created a fiber containing titanium or a manganese-coated polymer, zinc oxide, a dye and an electrolyte, laced with copper-coated polymer wires to make the solar cell part of the textile. To store the power, they developed a second fiber which contained titanium, titanium nitride, a thin shell to prevent oxidation and an electrolyte. These two fibers were woven with cotton yarn.

The team's sample textile can be fully charged to 1.2 volts in 17 seconds by exposure to sunlight enough voltage that your future smart T or smart dress might be able to power small electronics. It's sturdy, too; their research showed there was no degradation in the fabric after 60 days. 

But don't worry that this means the fabric is akin to sackcloth. The scientists note their textile can be fashioned into numerous different patterns, and tailored into any designed shape, without affecting performance.

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