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submitted 11 months ago by ooli@lemmy.world to c/technology@lemmy.world

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[-] JohnDClay@sh.itjust.works 18 points 11 months ago

I wonder what's the volumetric energy density, historically that has been a bigger issue than gravimetric energy density.

[-] Pelicanen@sopuli.xyz 7 points 11 months ago

According to their site:

A storage system of 3 m3 can store up to 10,000 kWh of energy

So about 3.33 MWh per cubic meter, 3.33 kWh per liter, or 3.33 Wh per cubic centimeter.

[-] JohnDClay@sh.itjust.works 4 points 11 months ago* (last edited 11 months ago)

Hmm, if that's correct, that's even higher than liquid hydrogen, which would be really impressive.

Energy densities

Edit: Looks like their gravimetric energy density is 3.5kWh/kg

Edit 2: here's a comparison for batteries

Battery Cell Energy Density

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this post was submitted on 05 Nov 2023

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