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One potential alternative to batteries might be to build a couple of towers lifting concrete blocks up and down: https://energyvault.com/#operating-parameters h
by Matumio 6y ago
One potential alternative to batteries might be to build a couple of towers lifting concrete blocks up and down: https://energyvault.com/#operating-parameters https://energyvault.com/#operating-parameters
- ralphhughes 6y agoI'd heard of this as a theory many times before, I didn't know someone had actually built one! Good site too, thanks for the link.
- dimnsionofsound 6y agoI’m not sure this idea is all that they’re marketing it as. Here’s a video discussing the drawbacks [0], the guy doing the video can be kind of abrasive at times but worth watching/skimming as a counterpoint. [0]: https://youtu.be/NIhCuzxNvv0 https://youtu.be/NIhCuzxNvv0
- loufe 6y agoMy research into this a little while ago showed that this has a very poor energy density to capital cost. There are some other techs like molten salt which are supposed to be better.