Eli5 how CO2 batteries work, and why are they better than lithium-ion batteries?
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You mean the energy dome thing?
It’s not really a battery. It’s a grid energy storage technology, similar to pumped hydro: Pumped hydro pumps water into a reservoir on top of a mountain when there is excess energy, and runs the water downhill through turbines to produce electricity when it’s needed.
With this, they compress CO2 gas into a liquid using excess energy, and evaporate the liquid and run gas through turbines to produce electricity.
Whether or not it’s any good, no idea. It’s just a concept that exists on paper, they haven’t actually built it. They are probably just looking for investment money right now.
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