Tube-based triboelectric nanogenerator for self-powered detecting blockage and monitoring air pressure

We have demonstrated a tube-based TENG that can directly grab flow energy between solid-fluid interfaces. By installing a linear electrode array along the PTFE tube, the sensor can detect the water location, flow rate and blockage. The structural adjustment of the TENG assisted with a balloon enables to serve as a self-powered sensor for monitoring air pressure.181