Power generation from conductive droplet sliding on electret film
Z Yang, E Halvorsen, T Dong - Applied Physics Letters, 2012 - pubs.aip.org
Generating electrical power from low frequency vibration to power portable devices is a
challenge that potentially can be met by nonresonant electrostatic energy harvesters. We
propose a generator employing a conductive droplet sliding on a microfabricated electret
film which is sputtered onto an interdigital electrode and charged already during deposition.
Droplet motion causes a capacitance variation that is used to generate electric power. A
prototype of the fluidic energy harvester demonstrated a peak output power at 0.18 µW with …
challenge that potentially can be met by nonresonant electrostatic energy harvesters. We
propose a generator employing a conductive droplet sliding on a microfabricated electret
film which is sputtered onto an interdigital electrode and charged already during deposition.
Droplet motion causes a capacitance variation that is used to generate electric power. A
prototype of the fluidic energy harvester demonstrated a peak output power at 0.18 µW with …
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