6 JEJU NATIONAL UNIVERSITY TRIBOELECTRIC NANOGENERATORS (TENG) In the era of digitalization and modernization, a wide range of applications rely on a power source from rechargeable batteries. In the near future, the nano and microsystems will be used for the development of environmental monitoring systems, health monitoring systems, sensors, IoT, etc., where batteries can no longer be active as a power source. To meet all these requirements, self-powered systems were proposed. The triboelectric nanogenerator was developed to harness energy from the environment. The triboelectric nanogenerator (TENG) is a device that converts mechanical energy into electricity. The TENG works through the coupled effect of contact electrification and electrostatic induction when two different materials contact each other. The TENG has the advantage of being cheap, easy to design, and has a high voltage output. Furthermore, a wide range of materials is available for the TENG. Over the past five years, NMSL was extensively involved in the development of self-powered systems based on TENG. The current research on TENG in NMSL involves the development of novel materials for TENG, sensing applications, sustainable and biodegradable devices, blue energy harvesting, wind energy harvesting, hybrid devices, smart toys, etc.
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