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Storing energy with concrete? This battery could solve a lot of problems
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This is a mechanical battery. It uses energy when it is plentiful to lift blocks of cement by crane. Then used the energy gravity creates when needed when the blocks are lowered.

From what I can tell, a regular lithium battery returns 90% of the electricity it takes in, whereas the mechanical batter returns 85%. While not quite as efficient as a chemical battery, the mechanical battery is much cheaper and easier to create.

And in many areas, it's cheaper to leave the electrical generators running 24/7 even when not needed because it takes more energy to start them up than to let the run. This means there are long periods of time at night when electricity is just going to waste. If these mechanical batteries work as well as they say, this seems like a better way to do things.


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Storing energy with concrete? This battery could solve a lot of problems - by Kurt - 03-12-2020, 08:16 PM

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