Shares of QuantumScape (NYSE:QS) rose 7% on Wednesday after the solid-state battery developer announced a joint development agreement with Murata Manufacturing to advance the production of ceramic separators used in its next-generation batteries.
The partnership is designed to accelerate high-volume manufacturing of ceramic separators, a key element of QuantumScape’s solid-state battery architecture. The agreement builds on exploratory discussions that began in February 2025, during which both companies concluded that Murata’s expertise in ceramic material formulation, sheet forming, and firing could be leveraged to scale QuantumScape’s production process.
“We are pleased to continue our collaboration with Murata, a world-class ceramics manufacturer, as we work together to advance the high-volume production of our ceramic separators,” said Dr. Siva Sivaram, CEO of QuantumScape. “Partnership with Murata is an important part of building a robust global ecosystem of suppliers to support the commercialization of QuantumScape’s solid-state battery technology.”
Murata’s President, Norio Nakajima, echoed that sentiment, stating the company will “leverage its strengths in ceramics technology to contribute to the high volume production of QuantumScape’s solid state batteries.”
The collaboration marks a major milestone in QuantumScape’s commercialization roadmap, with both companies now preparing to scale up production of ceramic separators and evaluate business models to bring the technology to market.
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