this post was submitted on 22 Nov 2023
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Swedish company Northvolt develops new state-of-the-art sodium-ion battery produced with locally sourced materials, entirely independent of traditional battery value chains (northvolt.com)
submitted 11 months ago by 0x815@feddit.de to c/europe@feddit.de
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In a statement, Northvolt says its validated cell is more safe, cost-effective, and sustainable than conventional nickel, manganese and cobalt (NMC) or iron phosphate (LFP) chemistries and is produced with minerals such as iron and sodium that are abundant on global markets.

It is based on a hard carbon anode and a Prussian White-based cathode, and is free from lithium, nickel, cobalt and graphite. Leveraging a breakthrough in battery design and manufacturing, Northvolt plans to be the first to industrialize Prussian White-based batteries and bring them to commercial markets.

Reports across the web also say the technology enables the supply chain to become ecologically more sustainable, cheaper, abd less dependent on China.

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[ā€“] Illecors@lemmy.cafe 0 points 11 months ago (2 children)

I'll believe it when I see it.

[ā€“] pelya@lemmy.world 0 points 11 months ago (1 children)

Probably in 10 years, because it's a car battery, and it takes time to pass all regulations. Notable absense of comparing it to Lithium battery, so definitely not targeted at smartphones. It will get installed into your nearest wind farm first.

[ā€“] Ophioparma@feddit.de 0 points 11 months ago

For now the manufacturers themselves see their market mainly in african and middle-eastern countries. So maybe not even the nearest wind farm depending on where you live.

[ā€“] IndefiniteBen@leminal.space 0 points 11 months ago (1 children)

This isn't some futuristic technology. Na-ion was originally researched at the same time as Li-ion but didn't show enough commercial promise in the 1990s.

Sodium-ion batteries have already been deployed in a few locations. The energy density is only 160 Wh/kg (compared to 100-220 for Li-ion) so you won't see it in personal devices, but for applications where space isn't at a premium, this technology is already in market.

Source: https://en.wikipedia.org/wiki/Sodium-ion_battery

[ā€“] taladar@feddit.de 0 points 11 months ago (1 children)

I believe you mean mass, not space if you cite the energy density per kg.

[ā€“] crispy_kilt@feddit.de 0 points 11 months ago (1 children)

Technically correct (best kind) but in reality, to get the same capacity, you'll need more mass, which uses more space as well.

[ā€“] taladar@feddit.de 0 points 11 months ago

Well, it is a big difference when we are talking about applications like air or space travel where space might be a lot easier to increase than the capacity to carry extra mass.

[ā€“] HaiZhung@feddit.de 0 points 11 months ago* (last edited 11 months ago)

Iā€™d like to relay this comment from hacker news: https://news.ycombinator.com/item?id=36834046

It seems there's news of a battery breakthrough every week. I've learned to temper expectations, because so many "breakthroughs" turn out to be dead ends. Because it's not enough for a battery to be incredibly light, or made of abundant materials, or last for ten thousand cycles. It needs to be good at many things and at least okay at most things.

E.g.ā€”

ā€¢ How much capacity per dollar?

ā€¢ How much capacity per kilogram?

ā€¢ How much capacity per litre?

ā€¢ How quickly can it be charged?

ā€¢ How quickly can it be discharged?

ā€¢ How much energy is lost between charging and discharging?

ā€¢ How predisposed is it to catching fire?

ā€¢ How available are the materials needed to manufacture it?

ā€¢ How available are the tools/skills required to manufacture it?

ā€¢ How resilient is it to mechanical stress, e.g. vibration?

ā€¢ How much does performance degrade per cycle?

ā€¢ How much does performance degrade when stored at a high state of charge?

ā€¢ How much does performance degrade when stored at a low state of charge?

ā€¢ How much does performance drop at high temperatures?

ā€¢ How much does performance drop at low temperatures?

ā€¢ How well can it be recycled at end-of-life?

A sufficiently bad answer for any one of these could utterly exclude it from contention as an EV battery. A battery which scores well on everything except mechanical resilience is a non-starter, for example. Though it might be great for stationary storage. I'm only a layperson and this list is what I came up with just a few minutes of layperson thought. I'm sure someone with more familiarity with battery technology could double the length of this list. But the point is, when you daydream about some hypothetical future battery tech, you need to appreciate just how well today's lithium chemistries score in so many areas

[ā€“] blackfire@lemmy.world 0 points 11 months ago (1 children)

Isn't Prussian white super rare too?

[ā€“] elmicha@feddit.de 0 points 11 months ago* (last edited 11 months ago)

Maybe it's not easy to produce, but Na2Fe[Fe(CN)6] doesn't seem like it has any rare raw materials (but I'm a layman and just googled it).