Not so great discovery about energy density, but if they could improve the number of cicles, the litihum batteries could compensate more for their high price.
https://www.mining.com/researchers-i...m-ion-battery/
https://www.forbes.com/sites/arielco.../#713a0bba33e3
The title it's very trick, cheater... Million miles...
And there is the bad side...
It uses more colbalt (cobalçt it's linked to war in Africa) which rise the price.
It have lower energy density. (about 20% less)