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Hygroelectricity

Type of static electricity

Hygroelectricity is a type of static electricity that forms on water droplets and can be transferred from droplets to small dust particles. The phenomenon is common in the Earth's atmosphere but has also been observed in the steam escaping from boilers (see Armstrong effect). It was the basis for a proposal by Nikola Tesla to tap electricity from the air, an idea which has been recently revived. Hygroelectric charge is the likely source of the electric charge which, under certain conditions such as exist in thunderstorms, volcanic eruptions and some dust storms, gives rise to lightning.

As of 2023, a team at the Lisbon-based Catcher Project have generated a 1.5 V 10 mA current using a 4 cm-diameter device.

References

Miles, Ned Carter. (2023-07-02). "‘It was an accident’: the scientists who have turned humid air into renewable power". The Observer.
Ducati, Telma R. D.. (2010-09-07). "Charge Partitioning at Gas−Solid Interfaces: Humidity Causes Electricity Buildup on Metals". Langmuir.
Gouveia, Rubia F.. (2009-08-19). "Electrostatic Charging of Hydrophilic Particles Due to Water Adsorption". Journal of the American Chemical Society.

Info: Wikipedia Source

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electrostatics electricity

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