Roll out of the new BYD flash charging models and infrastructure can take 2-3 years. It will start being available in April. BYD being vertically integrated can probably do this roll out faster than anyone and will cooperate to build infrastructure with companies as Sinopec.
BYD battery and charging tech using LFP chemistry is now reaching levels promised in all solid-state batteries. This is pushing the bar for all companies developing breakthrough tech.
https://kr-asia.com/byds-new-evs-could-charge-faster-than-your-smartphone