Nguyen Van Toan, Truong Thi Kim Tuoi, Khairul Fadzli Samat, Masaya Toda, Nguyen Van Hieu, Takahito Ono
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Abstract
This letter presents a touch-driven self-powered sensing system utilizing a high-performance thermoelectric generator (TEG). The TEG, employing assembly technology with a high-performance electrodeposited thermoelectric material, is fabricated. This device is accompanied by an investigation into the associated electronic circuits, facilitating a realistic demonstration. Upon tactile interaction with one side of the TEG, the system efficiently harvests energy, accumulating 15.36 mJ in a storage capacitor. Energy consumption, inclusive sensors and Bluetooth Low Energy (BLE) communication, is evaluated at 0.75 mJ/cycle, with a 2 s interval time. Notably, the sensing system demonstrates sustained operation as long as touch interactions persist, showcasing its potential for continuous, self-powered functionality. © 2024 Institute of Electrical Engineers of Japan and Wiley Periodicals LLC.
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