Triboelectric Nanogenerator (TENG) and its Uses

Context: Researchers at the Institute of Nano Science and Technology (INST), Mohali, under the Department of Science and Technology (DST), Government of India, have developed a triboelectric nanogenerator (TENG) using flexible single crystals of an organic compound.

About Triboelectric Nanogenerator (TENG)

• Triboelectric Nanogenerator (TENG) is a small device that generates electricity from movement or friction. It works on the triboelectric effect, which happens when two materials rub against each other and create an electric charge.
• Eg. When you rub a balloon on your hair, your hair sticks to it because of the electric charge. A TENG uses a similar principle but converts this charge into usable electricity.

Uses of TENG

• Energy Harvesting:
  • Converts body movements (walking, stretching) into electricity.
  • Generates power from wind, water waves or vibrations.
• Medical & Health Applications:
  • Wearable health sensors (e.g., tracking finger movement in rehabilitation).

• Pacemakers or medical implants without needing batteries.

• Smart Devices & Robotics:
  • Self-powered touchscreens (phones, tablets, ATMs).

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