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A German Experiment Proved That Simple Concrete Spheres Make Fantastic Batteries. Now, California Plans To Submerge A 9-Meter Diameter Sphere In The Ocean And Is Already Planning Versions Of 30 Meters(farmingdale-observer.com)

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Dadifer@lemmy.world
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Lupus@feddit.org
22 points

I don’t know what depths we’re talking about here,

From the article:

The idea is relatively simple: hollow concrete spheres are installed at a depth of several hundred metres.

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carl_dungeon@lemmy.world
4 points

Thanks, I missed that on my read through - 1000 feet of water is pretty serious pressure.

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humanspiral@lemmy.ca
2 points

The more pressure the more “equivalent head” power discharge potential. Separate “vacuum pump” (instead of bidirectional) could also have several stages to improve efficiency.

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