Yahoo Financeยท2025-09-30 12:16Group 1 - QuantumScape has partnered with Corning to develop manufacturing capabilities for ceramic separators used in next-generation solid-state lithium-metal batteries [1][2] - The collaboration aims to scale high-volume production of QuantumScape's ceramic separators, which are essential for its solid-state battery technology [1][3] - QuantumScape's stock has increased by 139% year-to-date, driven by advancements in its solid-state battery technology and successful demonstrations [3] Group 2 - Speculation is rising regarding a potential partnership with Tesla, fueled by comments from QuantumScape's CEO about Tesla's patents [4] - Investors are considering various possibilities, including licensing agreements, joint ventures, or acquisitions between QuantumScape and Tesla [4] - Corning's stock has also seen a 69% increase year-to-date, supported by its growth strategy and demand in sectors like Optical Communications and solar [5]