Successful mass production techniques haven't been discovered for solid state batteries, at least for the batteries that are actually better than the "wet" Li-ion ones we have now. The sum total of legitimately good solid state batteries that has been produced to date is somewhere around enough to power an iphone. Not all iphones, one iphone.I have been reading articles about solid state battery research. Is this just a pipe dream or is this where battery technology heading?
Nio's car will get delayed multiple time upto maybe 2025Nio recently announced that it was producing a solid state battery for its ET7 sedan with a 1000 km range for sale in the 4th quarter of 2022.
All of these announcements and more seem to indicate that solid state batteries will be here soon and that they will be in cars capable of fast charging with 1000 km or so in 5 minutes in the near future. My guess would be that we will see them and they will provide enough charging cycles to rival the current lithium-ion batteries.