It's so rare to actually see a new battery tech exit the lab and enter production. Always seems like there's 10,000 new up and coming breakthroughs in battery technology, but none ever leave the workbench....
Judging from that graph, it looks like the sodium ion batteries are about as energy dense as Li-ion was in 2020, which is far from useless. Li-ion may still be the best but at a point, there's "good enough" for many applications (eg cellphones) if the price is low enough.
Lithium-free sodium batteries exit the lab and enter US production ( newatlas.com )
It's so rare to actually see a new battery tech exit the lab and enter production. Always seems like there's 10,000 new up and coming breakthroughs in battery technology, but none ever leave the workbench....