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Lithium metal battery with over 500 Wh/kg developed (www.notebookcheck.net)

submitted 5 months ago by schizoidman@lemmy.ml to c/technology@lemmy.ml

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[–] Dymonika@beehaw.org 7 points 5 months ago (2 children)

I thought we were moving to sodium!

[–] domi@lemmy.secnd.me 15 points 5 months ago (2 children)

Sodium-based batteries currently have a lower energy density than lithium-based batteries so they are only useful in some applications.

[–] B0rax@feddit.de 3 points 5 months ago

Mainly for cheaper applications which are not as weight (and size) sensitive. One example is entry level EVs or home energy storage.

[–] Dymonika@beehaw.org 1 points 5 months ago

Oh.

[–] cmnybo@discuss.tchncs.de 4 points 5 months ago (1 children)

It sounds like they need to do a lot more work to increase the cycle life.

[–] rbesfe@lemmy.ca 6 points 5 months ago

That's usually the problem with these ultra high capacity batteries. The electrode structures just don't hold up