this post was submitted on 16 Nov 2024
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You don't need lithium. That's just the story told to have an argument why renewables are allegedly bad for the environment.
Lithium is fine for handhelds or cars (everywhere where you need the maximum energy density). Grid level storage however doesn't care if the building houising the batteries weighs 15% more. On the contrary there are a lot of other battery materials better suited because lithium batteries also come with a lot of drawback (heat and quicker degradation being the main ones here).
PS: And the materials can also be recycled. Funnily there's always the pro-nuclear argument coming up then you can recycle waste to create new fuel rod (although it's never actually done), yet with battery tech the exact same argument is then ignored.
Density doesn't matter much when it comes to grid scale, indeed.
What battery technologies are you thinking of? Zinc-ion? Flow batteries?