Gaseous/Liquid Energy Storage

Using pressurized CO2 (which changes to a liquid under pressure, even at ambient temperature) to store energy. The pressurized gas is used to run a turbine to recover the energy. The CO2 gas is recaptured in a domed building with a bladder inside, and is re-pressurized to complete the cycle and “recharge” the storage. They …

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Stores energy by super-cooling air and storing it in liquid form in large tanks. The energy is recovered by converting the liquid air back into a gas and using it to run a turbine. Website