A Wind-Driven Poly(tetrafluoroethylene) Electret and Polylactide Polymer-Based Hybrid Nanogenerator for Self-Powered Temperature Detection System

With growing interest in artificial intelligence and the Internet of Things, self-powered electronics have gained considerable attention. In this investigation, a wind-driven hybrid nanogenerator system comprising a poly(l-lactic acid)-based piezoelectric nanogenerator and a poly(tetrafluoroethylene) electret-based triboelectric nanogenerator (E-TENG) is proposed. At a wind speed of 5.1 m s(-1), the open-circuit voltage (V-oc) and short-circuit current (I-sc) of the hybrid nanogenerator (NG) reach approximate to 140 V and 16 mu A, respectively. The maximum output power of the hybrid NG reaches approximate to 0.49 mW with a matching resistance of 8 M omega, which is 22% larger than the output power of the E-TENG. The hybrid NG can charge a lithium battery to 2.9 V in 8 h. Furthermore, the charged battery can be employed to drive an IR remote controlled light-emitting diode lamp and turn the lamp on and off. In addition, it can be combined with a Bluetooth low energy (BLE) temperature sensor to form a self-powered BLE temperature detection system. The hybrid NG shows great promise in self-powered environmental monitoring and detection applications.