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Breakthrough Brings Body-Heat Powered Wearable Devices Closer to Reality
A research team has developed an ultra-thin, flexible film that could power next-generation wearable devices using body heat, eliminating the need for batteries.
Professor Zhi-Gang Chen, whose team's new research was published in the prestigious journal Science, said the breakthrough tackled a major challenge in creating flexible thermoelectric devices that converted body heat into power. “Flexible thermoelectric devices can be worn comfortably on the skin where they effectively turn the temperature difference between the human body and surrounding air into electricity,” Professor Chen said. Most research in this area has focused on bismuth telluride-based thermoelectrics, valued for its high properties that convert heat into electricity which makes it ideal for low-power applications like heart rate, temperature or movement monitors.
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