Fisker still aims at solid-state electric-car batteries, as patents attest

Fisker EMotionAt first, Fisker had promised its upcoming EMotion electric sedan would launch with revolutionary solid-state batteries. The company then backtracked in June, saying the technology would not be ready. Instead, the EMotion will launch with conventional lithium-ion batteries. Fisker announced on Monday it has made headway with solid-state cell...