GE Global Research is testing a desk-size turbine that could power a small town of about 10,000 homes.
The unit is driven by “supercritical carbon dioxide,” which is in a
state that at very high pressure and up to 700 °C exists as neither a
liquid nor a gas. After the carbon dioxide passes through the turbine,
it's cooled and then repressurized before returning for another pass.
The unit’s compact size and ability to turn on and off rapidly could make it useful in grid storage.
It’s about one-tenth the size of a steam turbine of comparable output,
and has the potential to be 50 percent efficient at turning heat into
electricity ...Read more https://www.patriotdirect.org/desk-size-turbine-power-town/
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