Abstract
The use of fluorinated nematic liquid crystal (NLC) as the medium in between the stator and the rotor of electrostatic vibration energy harvester is proposed for output power enhancement. Fluorine terminal group of 3,4,5-Trifluoro-4’-(trans-4-pentylcyclohexyl)-1,1’-biphenyl (BCH-5F.F.F) offers high resistivity that is two-order-of-magnitude higher than that of 5CB used in our previously study. In a power generation experiment, output power as high as 490 µW is obtained at 10 Hz and 1.00 mmpeak-peak vibration, while keeping the leakage current as low as a few µA.
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