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
Storing renewable energy sustainably and efficiently is one of the major challenges of our time. A team of German researchers is proposing a revolutionary solution: concrete spheres immersed in the ocean floor. Their potential is such that California is preparing to test a large-scale prototype. A simple, ingenious concept The…
  • Libra00@lemmy.mlEnglish
    4·
    2 days ago

    If you read the article it includes this line:

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

    The pressure is needed to drive the turbine, cause just gently-flowing water isn’t going to cut it.