this post was submitted on 09 Aug 2026
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New sodium-ion battery skips mechanical cooling with 97.9% efficiency (interestingengineering.com)
submitted 1 week ago by Return_of_Chippy@lemmy.world to c/technology@lemmy.world
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I've been hearing about these for a few years now. Huge if they work out at a large scale.

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[–] ryannathans@aussie.zone 1 points 1 week ago (1 children)

The comment I am responding to is about charge rate, not discharge rate

[–] Natanael@infosec.pub 2 points 1 week ago (1 children)

For most batteries that's the exact same rate

[–] ryannathans@aussie.zone 11 points 1 week ago* (last edited 1 week ago)

Sodium ion batteries are asymmetrical, pushing charge current hard can drive the anode negative enough to deposit metallic sodium causing formation of dendrites which destroys the battery