Technology

If it's cheap and abundant enough you can have overcapacity and it easily lasts 30 years - which apparently is an important breakpoint for infrastructure project funding.

Heck, if energy density is an issue the use this initially for grid storage, home solar, etc. where a larger size isn’t a huge deal. That would increase existing lithium ion supplies for EVs.

Either AI slop, someone fucked up the math for the capacity, or they’ve broken thermodynamics and are pulling power out of the ether.

First is most likely, 3rd is the coolest.

Badly written, i suspect the cells are speecified to have about 210ah and a real test showed 218ah capacity. That would be pretty normal since you always have manufacturing tolerances. But i think in a good article they would have worded it better if thats the case since not all of these batterys will do 218ah.

Presumably because Na+ ions are the active charge carriers.

Maybe they will make a potassium battery, K?

Sodium-Ion is already in production at CATL. Been for about half a year if I recall. It's slightly less dense than LFP but it's cheaper and promises to get cheaper yet.

Na.

Sodium, not natrium.

Yeah batteries have been one of the main areas where the real technological advances have been happening in the past decade. That and photovoltaics

No one can figure out how to make them without costing a fortune.

According to Wikipedia:

Looks like power to weight it much higher, while energy per volume and energy per mass is comparable to existing lithium ion batteries.

I think they are testing Unigrid battery model 72173207 (terrible name). That is their 210Ah NCO prismatic cells.

I found this spec sheet. No definitive metrics, but someone else could do the napkin math.

Its already way past its "real" point. Just hasnt really made it to Europe fully. China is already mass producing them for everything.