this post was submitted on 02 Aug 2025
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Peak Energy just shipped the US's first grid-scale sodium-ion battery (electrek.co)
submitted 16 hours ago by Gsus4@mander.xyz to c/technology@lemmy.world
29 comments fedilink hide all child comments
 

cross-posted from: https://lemmy.bestiver.se/post/528970

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[โ€“] partial_accumen@lemmy.world 91 points 16 hours ago (16 children)

This is big! Grid scale Sodium Ion battery technology is (on paper) the best candidate for cheap large scale electricity storage. The fact that this company is working on 9 pilot deployments mean that this will likely produce the real world results that the paper exercises promise.

There are SO MANY advantages of Sodium Ion battery tech for grid storage over everything else we've used so far (nearly all Lithium based).

Sodium Ion batteries:

  • don't have as intense thermal management needs Lithium chemistries
  • don't have the massive negative environmental impact for their source materials (because its a part of regular old table/sea salt)
  • doesn't have the massive swings in capacity when operated in extreme hot or cold temperatures. Sodium Ion doesn't care.

The only downsides to Sodium Ion is that the batteries are physically larger for the same amount of energy stored (which isn't a problem for stationary storage), and the charging/discharging curves are not as linear as other chemistries (which again, isn't an issue because these are purpose built applications where the curves can easily be managed by battery management systems).

[โ€“] empireOfLove2@lemmy.dbzer0.com 3 points 15 hours ago

I'm really excited about na-ion, if commercial BMS circuitry was available I would already have some for a few home automation and sensing projects because of their low temp performance alone. But I'll have to spin up a custom implementation with an arduino or something and I don't have that kind of skills lol.

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