Physics:Hygroelectricity
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Short description: 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.[1] 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.[2][3]
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.[1]
References
- ↑ 1.0 1.1 Miles, Ned Carter (2023-07-02). "‘It was an accident’: the scientists who have turned humid air into renewable power" (in en-GB). The Observer. ISSN 0029-7712. https://www.theguardian.com/science/2023/jul/02/it-was-an-accident-the-scientists-who-have-turned-humid-air-into-renewable-power.
- ↑ Ducati, Telma R. D.; Simões, Luís H.; Galembeck, Fernando (2010-09-07). "Charge Partitioning at Gas−Solid Interfaces: Humidity Causes Electricity Buildup on Metals". Langmuir 26 (17): 13763–13766. doi:10.1021/la102494k. ISSN 0743-7463. PMID 20704354.
- ↑ Gouveia, Rubia F.; Galembeck, Fernando (2009-08-19). "Electrostatic Charging of Hydrophilic Particles Due to Water Adsorption". Journal of the American Chemical Society 131 (32): 11381–11386. doi:10.1021/ja900704f. ISSN 0002-7863. PMID 19637867.
External links
- Jargon Watch: Hygroelectricity, Sharejacking, Zombie DNA, Wired (18.12 December 2010)
- Electricity Collected from the Air Could Become the Newest Alternative Energy Source, ScienceDaily (Aug. 26, 2010)
- Catcher (EU project)
![]() | Original source: https://en.wikipedia.org/wiki/Hygroelectricity.
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