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The first EV with a lithium-free sodium battery hits the road in January
(www.engadget.com)
This is a most excellent place for technology news and articles.
So basically we didn't have a material that could function as a cathode until now?
I'm not in the battery research field but I assume it's kind of like
We've got tons of puzzle pieces that we need to put together
and then we need to find an economically viable create more combined puzzle pieces at scale.