Parylene-HT-based electret rotor generator

A new micro power generator with parylene HT electret rotor is made. This generator uses parylene HT as a new electret material with a much superior charge density compared to teflon and CYTOP. The highest surface potential observed is 204.58 V/mum, equivalent to a surface charge density of 3.69 mC/m². The generator uses an electret rotor. The rotor is a piece of PEEK insulator block coated with a layer of corona-charged parylene HT. Both output electrodes are on the stator. The generator produces 17.98 muW with 80MOmega load at 50Hz and 7.77 muW with an 800MOmega load at 10Hz.