According to Chinese media, Sun Huajun, CTO of BYD’s battery business, stated at a forum event on solid-state batteries that the company had already produced its first solid-state cells with 20 Ah and 60 Ah on its pilot production line in 2024. The portals CN EV Post and Car News China reported on this based on a video recording of the presentation.According to the battery business CTO, BYD expects to start “mass demonstration” of solid-state batteries around 2027. However, he did not provide an...