this post was submitted on 04 Mar 2026
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Electric Vehicles
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Which is why sodium batteries are becoming a thing.
Sure, but those are unlikely to be used in cars any time soon, if ever.
They are already in production.
https://www.catl.com/en/news/6720.html
Oh shit that's dope. I had no idea. Looks like they're on the lower end of range (less than 300miles at best) but expect to make up for it in extreme weather handling.
Specifically, this car has an expected cell energy density of up to 175 Wh/kg while lithium batteries are usually around 150-300 wh/kg. That's a lot more comparable than I had thought they were.
I hope sodium stands up in the test of time but it's going to be a whiiile since there are still manufacturing at scale hurdles. Tho them working at lower temps will def help EVs sold up north. The only sodium battery in a commercial application that I'm aware of is a Bluetti power station and that seemed to be mostly "okay" but it only came out last year.
They are already in production.
https://www.catl.com/en/news/6720.html