07:11 AM EDT, 09/30/2025 (MT Newswires) -- Corning (GLW) and QuantumScape ( QS ) said Tuesday they entered into an agreement to jointly develop ceramic separator manufacturing capabilities for solid-state batteries.

Under the agreement, the companies said they will work together to scale high-volume production of QuantumScape's ( QS ) ceramic separators for commercial applications. Financial details were not disclosed.

Shares of Corning were up 0.2%, and QuantumScape ( QS ) shares were 5% higher in recent Tuesday premarket activity.