> Is there some reason why solid state batteries seem to be being deployed in cars sooner than in phones? Oh, that's easy. I already knew the answer, which pro

> Is there some reason why solid state batteries seem to be being deployed in cars sooner than in phones? Oh, that's easy. I already knew the answer, which probably means just about every AI could tell you. Phone batteries use Li Polymer (which is solid state BTW), because they can be any shape, including flat, wide and very thin. Other chemistry's can't be thin.