Fig. 2
From: A battery-free wireless sensor for encrypted signal transmission via Maxwell’s displacement current
Working mechanism and output performance of the ID-TENG a Schematic illustration of the working principle of the ID-TENG. b Teardown diagram of the short-circuit current Isc and open-circuit voltage Voc in one cycle of the ID-TENG. c Wireless time-domain signal and d Isc of the ID-TENG under different working conditions
