A new graphene foam supercapacitor could offer a safe and effective way to power wearable health sensors.
Currently, health sensors are powered by rigid, heavy batteries—which can be uncomfortable to wear for extended periods and can even cause burns.
Developed by a team from Glasgow University, the supercapacitors are made up of layers of graphene foam and silver able to store and release up to three times the power of conventional flexible supercapacitors. The graphene system can be charged via flexible solar-powered skin, and integrated with a pH sensor that monitors health through the user’s sweat.
The team believes the solar-powered, graphene supercapacitors could have significant applications in health monitoring in remote regions, and could also be used to create a synthetic skin for advanced prosthetics.
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