New sodium ion battery stores twice the energy and desalinates seawater
2026-02-25 02:08 UTC
Replies (21)
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@defaultusername@lemmy.dbzer0.com 2026-02-25 04:49
I can only hope these can actually hit commercialization, unlike most new battery technologies that never leave the lab.
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@thericofactor@sh.itjust.works 2026-02-25 02:43
Sodium ion batteries have less energy density as opposed to Lithium ion (100-150 WH per Kg instead of 150-250). I’m curious how much these “wet” batteries improve that. The article doesn’t say. Nonetheless, even if it’s not the new battery for your car, it could be useful as energy storage for the grid, storing green (solar) energy for the night, and desalinating seawater at the same time.
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@iopq@lemmy.world 2026-02-25 03:21
Desalinating water might be the best part. Usually, solar power has the downside of needing storage and desalination has the downside of big energy requirements. If you can do both at the same time, it's a big win for dry climates with lots of sun
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@Reygle@lemmy.world 2026-02-25 16:00
Every week with the "miracle battery!" headlines. This has been going on for ages and I'm sick of it.
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@froh42@lemmy.world 2026-02-25 19:53
TWICE AS MUCH COMPARED TO WHAT???? My left ball?
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@nek0d3r@lemmy.dbzer0.com 2026-02-25 16:13
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@SirMaple__@lemmy.ca 2026-02-25 02:47
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@humanspiral@lemmy.ca 2026-02-25 14:10
Sodium Ion already does 5000+ cycles. Adding Vanadium is not a scalable material. It is very expensive. 400 cycles steady is not useful information because it needs to do much more. They didn't state a wh/kg density. This is probably not a viable research vector, but "big Vanadium" has proposed a rental model to make Vanadium more scarce for other applications. Flow batteries (a fuel cell with tanks of electrolytes) provides an ultra easy way of recycling/selling the vanadium for traditional uses. Battery rental that forces returning it could be viable.
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@SpaceCowboy@lemmy.ca 2026-02-25 23:35
Sodium Ion is a real game changer. But I doubt it will compete with Lithium Ion on energy density anytime soon. But that's not necessary to make major changes in the power grid. Solar and wind is already cheapest form of energy generation even considering the expense of Lithium to store the energy when renewables aren't generating. If you're just installing stationary battery banks, you don't care that much about the energy density as you would for a battery in a car or phone. Set up banks of cheap sodium ion batteries strategically and not only do you have plenty of power stored for when it's not sunny or windy, you may avoid widespread power outages when power lines are downed.
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@turdburglar@piefed.social 2026-02-25 04:06
i’ll take 10 please.
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@GaMEChld@lemmy.world 2026-02-25 13:01
Man this title reminded me of an old animation involving iPhone and some Android phone, lemme go find... https://youtu.be/YWNQTpdcoC4 The part about transforming into a jet and flying you to an island reminded me of the title.
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@WorldsDumbestMan@lemmy.today 2026-02-25 15:54
What is the catch?
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@Appoxo@lemmy.dbzer0.com 2026-02-25 18:22
Doesnt matter if the capacity is even less than sodium batteries. We'll see.
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@BlackLaZoR@lemmy.world 2026-02-26 16:54
Bullshit headline. It neither desalinates water nor it's better than Li-ion, because you know physics is pretty hard to cheat
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@trongod_requiem0432@lemmy.world 2026-02-25 15:47
What do they do with the Chlorine though?
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@Mammothmothman@lemmy.ca 2026-02-25 02:44
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@Hotzilla@sopuli.xyz 2026-02-25 20:37
TNT has 1162 Wh/kg ratio. These new lithium-ion batteries get to 300-400Wh/kg range. We are hitting the limit what is doable with energy density. Do you really want to carry 100g of TNT in your pocket or few tons of TNT in vehicle going 100km/h. Of course things are not directly comparable, but ball parks.
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@dhruv3006@lemmy.world 2026-02-25 03:23
I think the real breakthrough will come when we will be able to make powerful microbatteries.
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@Zwuzelmaus@feddit.org 2026-02-25 13:16
> Would you prefer Not at all! I like serious publications very much, and I was also well humored by all these shoutings about revolutions...
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@SaveTheTuaHawk@lemmy.ca 2026-02-25 13:37
I prefer the media not mindlessly overhype scientific publications.
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@AcesFullOfKings@feddit.uk 2026-02-25 11:15