Switchable Power Generation in Triboelectric Nanogenerators
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United States of America Patent
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Sep 26, 2024
app pub date -
Mar 24, 2023
filing date -
Mar 24, 2023
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Abstract
A switchable triboelectric nanogenerator (s-TENG) which obtains energy by utilizing the electrostatic potential between water droplets and frictional surfaces. The s-TENG device includes an ITO film substrate as an electrode, a SU-8 mold grid located on the ITO film substrate and forming an array of air gaps as an air breakdown region, and a FEP film on the SU-8 mold grid as the surface of the friction layer. A water source is variably positioned at a distance from and at an angle to the s-TENG device so that water droplets contact the friction layer, so that direct current is obtained without the use of a rectifier due to electrostatic induction causing break down in the air breakdown region of the SU-8 mold grid.
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