The Japanese firm, which was first to launch a mass market electric car (the Nissan Leaf) in 2010, plans to have a pilot solid-state battery production plant up and running by 2025; to have completed engineering on the initial technology by 2026; and to then ramp up towards mass production in 2028 with the first application in a car.
https://www.autocar.co.uk/car-news/new-cars/nissan-launch-first-solid-state-ev-2028
