Fig. 3: Discharge characteristics of three types of spark switches.
From: Electrostatic generator enhancements for powering IoT nodes via efficient energy management
a Measured Uab without Cin. b–e Uab around the breakdown point under a load of 1 KΩ ~ 2 MΩ. f Obtained energy in one discharge and release efficiency of spark switches under different loads. g Uab respect to the SST under different Ubreak and Cin
