The world's largest electric vehicle battery maker CATL isn't optimistic about the speed of solid-state battery development and pegs 2025 as the year when the first samples will appear. CATL expects just 1% of electric cars to boast solid-state batteries by 2030.
https://www.notebookcheck.net/Mass-solid-state-battery-production-for-electric-cars-slated-for-2030-says-CATL-despite-NIO-s-semi-solid-battery-success.593336.0.html