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Body heat boost for wearables: NCSU improve harvesting tech to power devices

Researchers Improve Efficiency of Flexible, Body Heat-Harvesting Health Monitor

Researchers Improve Efficiency of Flexible, Body Heat-Harvesting Health Monitor Written by AZoSensorsMar 9 2021 Engineers from North Carolina State University have been constantly enhancing the efficiency of a wrist-worn flexible device that harnesses the heat energy from the human body to track health. NC State’s flexible heat harvesting device shows better efficiency at retaining heat to power the device. Image Credit: Mehmet Ozturk. A study published by the NC State researchers in npj Flexible Electronics describes considerable improvements in eliminating leakage of heat in the flexible body heat harvester that was first reported in 2017 and updated in 2020. The harvester harnesses the heat energy from the human body and powers wearable technologies consider smartwatches that can measure the blood oxygen, heart rate, glucose, and other health parameters that never require their batteries to be recharged.

Reduced heat leakage improves wearable health device

 E-Mail IMAGE: NC State s flexible heat harvesting device shows better efficiency at retaining heat to power the device. view more  Credit: Photo courtesy of Mehmet Ozturk. North Carolina State University engineers continue to improve the efficiency of a flexible device worn on the wrist that harvests heat energy from the human body to monitor health. In a paper published in npj Flexible Electronics, the NC State researchers report significant enhancements in preventing heat leakage in the flexible body heat harvester they first reported in 2017 and updated in 2020. The harvesters use heat energy from the human body to power wearable technologies - think of smart watches that measure your heart rate, blood oxygen, glucose and other health parameters - that never need to have their batteries recharged. The technology relies on the same principles governing rigid thermoelectric harvesters that convert heat to electrical energy.

Reduced heat leakage improves wearable health device