Looks like next gen Performance Li-ion and Solid State Batteries are on track per Toyota Battery Roadmap.

[internalaudit]

Toyota’s next-generation and all-solid-state battery development and production plan certified by METI; 9 GWh per year

https://www.greencarcongress.com/2024/09/20240907-toyota.html

Roadmap announcement::

Toyota sets out advanced battery technology roadmap - Toyota Media Site

Toyota presents its roadmap for advanced battery technologies.

media.toyota.co.uk

 

[Flagship1]

Caveats:
-Gradual Implementation?
-The METI declaration seems to be more of a formality if anything to allow Toyota Battery (previously Primeearth ev) access to gov funds to build said plant infrastructure.