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this post was submitted on 17 Oct 2024
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They need heating at winter and they have datacenters and a lot of renewable energy.
Also the principles I've described is applicable for everything non-autonomous, and one could think of "electric" cars (a bit like trams) which would use contacts on the ground for energy, while when they'd need to be autonomous, they'd use batteries or ICEs.
That kind of "mechanical energy storage" can be created everywhere. I mean, water reserves with hydroelectric stations downstream are already used for that purpose, but for those you need water.
Efficiency is a bit of a problem - you have to maintain the mechanical parts, you first use energy to lift something with losses and then generate energy from letting it slide back...
That's all a bit off topic, really.
What's important is that there are ways around lithium for a lot of energy usage of our civilization.
Yes, they need heating in winter... for a tiny population. And they have very little in the way of data centres.
Again, these are only suitable depending on the environment you're in. E.g. pumped water storage is only effective if you have the terrain to allow for it (a large hill or mountain with space for a large body of water).
I never said lithium was an outright requirement. I said batteries can't currently take the planet off of fossil fuels, then I said that other energy storage systems are very dependent on the location.
E.g. despite there being a lot of rainfall in the UK, there are only 3 places suitable for pumped water energy storage. It can't be relied upon for powering a country.