Electrovaya says they are working on Solid State Batteries at the R&D level.  Just how far along are they?  The CEO says they have been working on them for a long time and just recently have increased R&D spending including adding personnel to the effort.  Just how far along are they??  They need to hurry as there is plenty of competition in that arena!

https://auto.economictimes.indiatimes.com/news/auto-technology/opinion-are-solid-state-batteries-the-next-game-changer/82629540