Tattoo Batteries are Powered by Sweat
In the future, working up a sweat by exercising may not only be good for your health, but it could also power your small electronic devices. Researchers are reporting today that they have designed a sensor in the form of a temporary tattoo that can both monitor a person’s progress during exercise and produce power from their perspiration. The team described the approach in one of nearly 12,000 presentations at the 248th National Meeting & Exposition of the American Chemical Society (ACS).
The device works by detecting and responding to lactate, which is naturally present in sweat. “Lactate is a very important indicator of how you are doing during exercise,” said Wenzhao Jia.
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