Talk about Na-Ion batteries, Reliance Industries acquiring Faradion, CATL’s Na-Ion batteries. CATL says they are going to produce Na-Ion batteries with 190 Wh/kg and believe it’s possible to make them as high as 250 Wh/kg – this is better than Lithium-ion today.
https://www.pv-magazine.com/2022/03/26/the-weekend-read-sodium-ion-batteries-go-mainstream/