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Compressing gases to retailer power isn’t new: for many years, a couple of services around the globe have been pumping air into big underground caverns underneath stress after which utilizing it to generate electrical energy in a pure fuel energy plant. However Power Dome turned to carbon dioxide due to its physics.
Carbon dioxide, when squeezed to excessive sufficient pressures, turns right into a liquid, which air doesn’t do except cooled all the way down to ultra-low temperatures. The liquid carbon dioxide can match into smaller metal tanks near the place renewable power is generated and used.
In Power Dome’s designs, a versatile membrane holds the carbon dioxide in an enormous dome at low stress. When extra electrical energy is offered, the fuel goes by way of a compressor to succeed in excessive stress. This course of additionally generates warmth, which is saved too.
Then, when power is required, the saved warmth is used to heat up the carbon dioxide, which decompresses and turns a turbine, producing electrical energy.
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