“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,” Queensland University Zhi-Gang Chen and paper lead author said in a statement.

QUT researchers develop a film that converts body heat into electricity, potentially eliminating the need for batteries in wearable tech.

A QUT-led research team has developed an ultra-thin, flexible film that could power next-generation wearable devices using body heat, eliminating the need for batteries.