New Energy Storage Systems From Thin (Compressed) Air Can Compete With Li-Ion Batteries

Compressed air energy storage systems were practically non-existent just a few years ago. Now energy planners are beginning to take notice, attracted by the ability of compressed air to provide the kind of scaled-up, long duration storage capacity needed for a global economy saturated with wind and solar energy. The sticky wicket is cost, but a new analysis indicates that issue has already begun to fade from view.

Compressed air energy storage could provide a competing use for salt caverns without the environmental baggage. The global chemical firm Solvay, for example, is already laying plans for Storing compressed air in above-ground tanks is not a new thing. The issue is scale-up and cost. One solution that recently surfaced on thedeveloped by the Israeli startup BaroMar. As a cost-cutting measure, the tanks are submerged in the ocean to offset the internal pressure.

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