Why the next-gen solid-state battery everyone talks about isn't in your iPhone yet
Solid-state batteries offer higher energy density, greater safety, faster charging, and longer lifespans, but widespread adoption is limited by cost and manufacturing scale.
Why your iPhone isn't powered by a solid-state battery yet - even though it beats lithium-ion
Solid-state batteries offer higher energy density, faster charging, better safety, and longer lifespan but remain too costly and immature for mass deployment.
