Potentially exciting development. This is a game changer in a lot of ways if they succeed

However the article is fluff, very light on facts …

• how has the metric become “x mile range car”, assuming some undefined car and everything remaining the same?
• given a specific car with specific battery pack, how much lighter could it be with these batteries? How much less volume would the battery pack take up?
• solid state batteries generally promise faster charge rate - why no mention?
• solid state batteries generally promise no fires - that would be cool to mention if so
• currently expected lifetime or charge cycle is critical info for how close to practicality this is. Didn’t the writer ask any questions? Was there a writer?