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killingtime74
on June 12, 2024
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Researchers make a supercapacitor from water, ceme...
300 watt-hours per cubic meter is not large by any means. You can get 300wh portable batteries and they are the size of a loaf of bread, this is at least 1 magnitude bigger/less dense
Earw0rm
on June 13, 2024
[–]
Not even. I've a 500wh ebike battery which is about 3 litres in volume. We're talking 1/500th the density.
Which is a good thing, as EV battery fires are
nasty
. A lot of stored energy there!
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