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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.
Do you have more details about that?
Yeah, I'm quite curious myself as to why it's more difficult. My chemistry knowledge is chem1 level so all I know is that sodium atoms are larger and the energy levels for state change are slightly different
So basically we didn't have a material that could function as a cathode until now?