Image by Xiao Lab A team of researchers at the University of Colorado at Boulder have developed a wearable that can tap into its wearer’s natural body heat to virtually turn the human body into a battery, no lithium-ion battery required. The bendy device can shape itself to be in contact with the contours of the skin and can be worn like a ring or bracelet. “In the future, we want to be able to power your wearable electronics without having to include a battery,” Jianliang Xiao, UC Boulder associate professor and senior author of the paper published in the journal Science Advances this month, said in a statement . So far, the small device can generate a single volt of energy. While that doesn’t sound like a lot, it’s already enough to power small-scale electronics including watches or fitness trackers. Xiao argues the new device is far more environmentally friendly as a result of being fully recyclable. It can even heal itself, like a kind of electronic skin . “Whenever you use a battery, you’re depleting that battery and will, eventually, need to replace it,” he said. “The nice thing about our thermoelectric device is that you can […]


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