QuantumScape stock soars after Cobra separator enters baseline production

June 24, 2025 01:38 PM PDT | By EODHD

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QuantumScape stock soars after Cobra separator enters baseline production — Image source: Kalkine Media

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Investing.com -- QuantumScape Corporation (NYSE:QS) stock soared 20% in after-hours trading after the solid-state battery developer announced it has successfully integrated its advanced Cobra separator process into baseline cell production. The milestone marks a significant advancement in the company’s manufacturing capabilities, bringing its next-generation battery technology closer to commercialization. According to QuantumScape, the Cobra platform offers approximately 25 times improvement in heat treatment speed compared to its previous Raptor process, while requiring substantially less physical space. "Our team has made impressive strides in advancing Cobra, a technology that exemplifies our progress in scaling solid-state battery production," said Dr. Siva Sivaram, QuantumScape’s CEO.

"By significantly improving throughput and shrinking the equipment footprint, Cobra gives us a powerful path forward for commercializing our next-generation battery technology." The company noted that the Cobra separator process forms the foundation of its high-throughput, continuous-flow separator production platform. This advancement is designed to enable faster, more energy-efficient production with a smaller equipment footprint compared to earlier processes. With the Cobra platform now established as the new baseline, QuantumScape plans to continue improving its production speed, efficiency, and scalability. These enhancements are intended to lay the groundwork for higher-volume B1 sample production, with further production metrics expected to improve as the company introduces future iterations of the Cobra process. This article was generated with the support of AI and reviewed by an editor.

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