QuantumScape Solid-State Battery Passes Endurance Test

A major breakthrough in electric vehicle (EV) battery technology has been achieved, with QuantumScape’s solid-state cell exceeding expectations in its first endurance test. Conducted by PowerCo, the battery arm of Volkswagen Group, the test paves the way for longer-range, faster-charging, and more durable batteries for future EVs.

Key Takeaways:

  • QuantumScape’s solid-state cell completed over 1,000 charging cycles while retaining 95% of its capacity, surpassing industry benchmarks.
  • This translates to a potential of over 500,000 km (311,000 miles) for EVs with a 500-600 km WLTP range, with minimal degradation.
  • The test confirms the viability of solid-state batteries for mass production, marking a significant step toward widespread adoption in EVs.

Beyond Endurance:

The test also evaluated the cell’s performance in other crucial areas, including fast-charging capability, safety, and self-discharge. QuantumScape’s cell met or exceeded expectations in all categories, further solidifying its potential as a game-changer for the EV industry.

Industry Reactions:

Both Volkswagen and QuantumScape expressed optimism about the results. PowerCo CEO Frank Blome stated, “These are very encouraging results that impressively underpin the potential of the solid-state cell… We are convinced of the solid-state cell and are continuing to work at full speed with our partner QuantumScape towards series production.”

Jagdeep Singh, Founder & CEO of QuantumScape, echoed this sentiment, saying, “These results make clear that QuantumScape’s anodeless solid-state lithium-metal cells are capable of exceptional performance… We’re excited to be working closely with the Volkswagen Group and PowerCo to industrialize this technology and bring it to market as quickly as possible.”

Looking Ahead:

While challenges remain in scaling up production and bringing costs down, the successful endurance test marks a significant milestone on the road to commercializing solid-state batteries. With continued collaboration between industry leaders like Volkswagen and QuantumScape, the future of EVs looks increasingly bright, powered by longer ranges, faster charging, and enhanced safety.


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