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Electrostatically charged aerosol nanoparticles strongly attract surroundingpolar gas molecules due to a charge-dipole interaction. In humid air, thesubstantial electrostatic attraction and acceleration of surrounding watervapour molecules towards charged combustible nanoparticles cause intenseelectrostatic hydration and preferential oxidation of these nanoparticles byaccelerated water vapor molecules rather than non-polar oxygen molecules. Inparticular, electrostatic acceleration, acquired by surrounding water vapourmolecules at a distance of their mean free path from the minimally charged ironmetal nanoparticle can increase an oxidative activity of these polar moleculeswith respect to the nanoparticle by a factor of one million. Intenseelectrostatic hydration of charged metal nanoparticles converts thenanoparticle's oxide based shells into the hydroxide based electrolyte shells,transforming these nanoparticles into metal/air core-shell nanobatteries,periodically short-circuited by intra-particle field and thermionic electronemission. Partially synchronized breakdowns within trillions ofnanoparticles-nanobatteries turn a cloud of charged nanoparticles-nanobatteries- ball lightning - into a powerful radio-frequency aerosol generator.Electrostatic hydration and charge-catalyzed oxidation of charged combustiblenanoparticles also contribute to a self-oscillating thermocycling process ofevolution and periodic auto-ignition of inflammable gases near to thenanoparticle's surface. The described effects might be of interest for theimprovement of certain nanotechnological processes and to better understandball lightning phenomenon.

How and why electrostatic charge of combustible nanoparticles can radically change the mechanism and rate of their oxidation in humid atmosphere