QuantumScape Announces QS PowerBlock for In-Rack Energy Storage in AI Data Centers
QuantumScape introduced QS PowerBlock, a modular solid-state lithium-metal energy storage reference design targeting AI data centers with claimed 4x power density and 5x runtime versus current industry standards. Prototype testing under an expected training workload exceeded key Open Compute Project specifications, and QS's cells showed thermal stability above 300 °C versus ~180 °C for conventional lithium-ion.
Key figures
- Runtime claim
- 5x current data center industry standards
- Thermal stability
- over 300 °C in third-party and customer safety testing
- Power density claim
- 4x current data center industry standards
- Conventional li ion thermal runaway
- ~180 °C
AI analysis
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