Remove free electrons from plasma?

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SUMMARY

The discussion centers on a proposed Masters project involving the removal of free electrons from a chamber of ionized gas (plasma). The initial idea suggests connecting one wall of the chamber to the positive terminal of a battery to attract electrons, while grounding the negative terminal. However, the low voltage of the battery is identified as a limiting factor in effectively removing a significant number of electrons from the plasma.

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LW94
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Starting to brainstorm ideas for my Masters project. The current idea I have in mind involves a chamber of ionized gas which I would have to then separate from the free electrons.

Would removing the electrons be as simple as connecting one of the chamber walls to the positive terminal of a battery, with the negative connected to ground?
 
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That might work, but the low voltage of the battery would limit how many electrons you could remove from the plasma.
 
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