QuantumScape (NYSE:QS) stock gained on Tuesday after it joined forces with Corning (NYSE:GLW) to develop ceramic separator manufacturing capabilities for next-generation solid-state lithium-metal batteries. The partnership aims to scale high-volume production of QuantumScape’s ceramic separators, a core component of its solid-state battery technology designed for commercial use. QuantumScape, known for pioneering solid-state battery innovation, and Corning, a global leader in glass, ceramics, and advanced ...