Triboelectric energy harvesting using self-poled Nylon-11 nanowires

Ref No: Kar-3513-17

Triboelectric generators are based on the static electric charge created when two dissimilar materials come into contact, and can be used to harvest energy from mechanical vibrations.  Researchers at the Department of Materials Science & Metallurgy have developed a triboelectric generator using self-poled Nylon-11 nanowires. The triboelectric generator provides more efficient energy harvesting than other energy harvesting systems, while matching the power output required by many sensors and devices for wireless sensor networks and wearable electronics.


The key benefits of this technology include:

  • A triboelectric generator that can harvest enough energy from ambient mechanical vibrations to power low-power electronic devices
  • Replacement for batteries in applications such as wireless networks and wearable electronics
  • Power output of around 1W/m2 – a ten-fold increase compared to standard triboelectric generators
  • Harvests energy from a wide range of vibrational frequencies (0-10Hz or more)


The team is now keen to collaborate with partners to develop applications for this technology.


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