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New sodium ion battery stores twice the energy and desalinates seawater
(www.sciencedaily.com)
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this post was submitted on 25 Feb 2026
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i’d say stability is more important than energy density
like gasoline has more than 10x the energy density than tnt and we’re perfectly fine with many kg of that on a vehicle going 100km/h
a fully fueled vehicle is the equivalent of ~600kg of TNT, but it’s very stable whilst TNT is not
That is true, but my small EV the batteries are 500kg, same car with combustion engine only has 40L fuel tank.
Stability is important, but lithium-ion ain't really that stable either. Still waiting some solid state to get made.
Yeah, lithium ion is a good stopgap while we develop better options, but it's by no means stable. Get them too hot or puncture a cell and you're going to have a bad time.