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Apr 29, 2019 at 22:35 comment added user25300 Yes a van der graff generator would keep ionized air as long as it's on as it would constantly be discharging itself. A better solution would a capaciter wich stores ions for a long time with very little dissapation, even years of holding energy with low dissapation.
Apr 29, 2019 at 22:30 comment added user25300 You would not want negative voltage in the sense of alternating current, you would want negative charge. In the sense that a battery has a positive and negative terminal.
Apr 24, 2019 at 7:38 comment added user2820052 Do you think that I could store negative ions in a chamber that would be effectively a Van der Graff generator?
Apr 24, 2019 at 7:02 comment added user2820052 Do you think that if I connect a conductive chamber walls to a negative voltage terminal with high voltage it might work? I know that the coulomb's law would effectively prevent them from touching the walls in this case but would negative voltage equate to a negative charge?
Apr 24, 2019 at 4:23 history answered user25300 CC BY-SA 4.0