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Altech’s sodium chloride solid state battery exceeds expectations
(www.ess-news.com)
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this post was submitted on 02 Oct 2024
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I wouldn't write off EV usage too quickly. The lithium batteries in EVs right now are around 160Wh/kg. The sodium batteries coming out of production lines now are about the same, but are also substantially cheaper, safer, and built out of more abundant materials.
Yes, if you compare them to top of the line lithium batteries coming out of assembly lines now, they don't look as good, but those batteries aren't in actual cars yet. It's very likely that we'll see cheap EVs running sodium batteries, and they'll often be good enough. We need more charge stations more than we need better batteries (as far as EVs go).
Will be interesting if they need the same thermal management that lithium packs do. That adds a fair amount of weight to the system
I'm all for Sodium batts in cars, but my understanding is this battery tech is a different chemical composition than other Sodium Ion batteries. Most of those are not solid state AFAIK.