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this post was submitted on 27 Apr 2026
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To put it simply: iron batteries are at a third of the density of lithium and is roughly the same price for housing installation per kWh as lithium. Idk what the other benefits of the medium are but if space or weight isn't a concern iron could make sense. If the batteries have better effeciency in hot and cold I could see it out competing lithium household batteries in places like Canada or Russia. But shipping prices will likely be astronomical
I imagine having cheap batteries paired with stuff like solar for grid stability would be an obvious use case here.
Yeah there's already some data centers and solar stations with these. This team made the longevity longer thus making them "cheaper"
Currently I think vanadium flow batteries are the hottest rn
it seems like there's been a whole explosion of different battery tech in recent years, mostly coming from China
I've been saying for decades if we only had advanced battery tech, oh the things we could do.
I've had an electric scooter since I got to China and it's great. Love the thing. Yes ti will run out of battery so you have to charge it. A battery is enough for a day's use usually. No, you don't drive to Tibet on a single charge.
Yeah they clearly want to explore as many energy avenues as possible to avoid dependency on any one thing the west controls
And different types of batteries work best for different purposes too. If you're making a vehicle then weight and size matters. If you're building battery parks for grid stability then cost is a bigger concern. China is going to end up with a big toolbox which will allow for efficient solutions no matter the context.