June 26, 2025 [crocon media – msch] QuantumScape Corporation (NYSE: QS), a leader in next-generation solid-state lithium-metal battery technology, has achieved a significant milestone that could reshape the future of energy storage.
On June 24, 2025, the San Jose-based company announced the successful integration of its advanced “Cobra” separator process into baseline cell production, marking a pivotal step toward commercializing its high-performance batteries.
This breakthrough, which enhances production efficiency and scalability, is poised to accelerate the adoption of electric vehicles (EVs) and power the emerging field of humanoid robotics.
The Cobra process, a successor to QuantumScape’s earlier Raptor technology, delivers a 25-fold improvement in heat treatment speed while occupying a fraction of the physical space.
This innovation enables faster, more energy-efficient production of QuantumScape’s proprietary ceramic separator, a critical component in its solid-state batteries.
These batteries, including the QSE-5 model with an energy density of 844 Wh/L and a 10-80% charge time of 12.2 minutes, offer superior energy density, faster charging, and enhanced safety compared to conventional lithium-ion batteries.
For EVs, QuantumScape’s technology addresses key pain points: range anxiety, charging speed, and safety.
Tests by Volkswagen’s battery subsidiary, PowerCo SE, confirmed that QuantumScape’s cells retained over 95% capacity after 1,000 charging cycles, equivalent to over 500,000 kilometers of driving without significant range loss.
This durability, combined with rapid charging and a non-combustible ceramic separator, positions QuantumScape as a frontrunner in enabling mass-market EV adoption.
Beyond EVs, QuantumScape’s breakthrough has profound implications for humanoid robotics, a field demanding compact, high-energy, and safe power sources.
Humanoid robots, such as Boston Dynamics’ Atlas or Engineered Arts’ Ameca, require batteries that deliver sustained power, rapid recharge, and thermal stability to support complex tasks like dynamic balancing and real-time processing. QuantumScape’s anode-free, lithium-metal design, which eliminates excess lithium and simplifies manufacturing, aligns perfectly with these needs, potentially enabling longer operational times and enhanced reliability for robots in healthcare, manufacturing, and service industries.
The market responded enthusiastically, with QuantumScape’s stock surging 37% in premarket trading following the announcement, despite a year-to-date decline of nearly 17%.
The company’s partnerships, including a licensing deal with Volkswagen and a framework agreement with Murata Manufacturing for ceramics production, underscore its strategic push toward gigawatt-hour-scale production by 2026.
As QuantumScape continues to refine its Cobra process and deliver higher-volume QSE-5 samples in 2025, its technology could bridge the gap between laboratory innovation and real-world application.
By powering both the next generation of EVs and the rapidly evolving field of humanoid robotics, QuantumScape is not just revolutionizing energy storage – it’s laying the foundation for a sustainable, electrified future.
Read the press release : https://www.businesswire.com/news/home/20250624801952/en/QuantumScape-Achieves-Major-Milestone-Cobra-Separator-Process-Enters-Baseline-Production
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