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The first EV with a lithium-free sodium battery hits the road in January (www.engadget.com)

submitted 8 months ago by [email protected] to c/[email protected]

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[–] [email protected] 26 points 7 months ago (3 children)

Lithium batteries dont like being stored fully charged they will degrade over time.

[–] [email protected] 9 points 7 months ago* (last edited 7 months ago) (1 children)

This is a solved problem. Most EVs won't let you charge it to the actual 100% level or discharge it to 0.

[–] [email protected] 2 points 7 months ago

Exactly. Really, "fully charged" should just be conceptualised as being at a sensible safe point, with the acknowledgement that it's possible to "overcharge" the batteries to an even higher level, chemically speaking, but that all sensible devices don't let you do this.

[–] [email protected] 7 points 7 months ago* (last edited 7 months ago) (1 children)

So only charge it to 80% and pretend 80% is 100%, like iPhones do. Why is that a concern?

[–] [email protected] 1 points 7 months ago

Or you could just use all of the space for a sodium battery and fully charge it as it won't need long term storage in that state.

[–] [email protected] 1 points 7 months ago

You're right. Forgot about that. Shoot.