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Ambri’s antimony-calcium liquid metal batteries began commercial operation in June 2024 at a 300MWh UK grid site. Key innovations:

• Molten salt electrolyte enables 20,000+ cycles (zero degradation)

• Self-healing electrodes automatically reform after overcharge

• 300°C operating temp eliminates fire risk

Deployment advantages:
✅ $54/kWh lifetime cost (60% below lithium-ion)
✅ 12-hour duration for wind/solar firming
✅ 100% recyclable components

"This redefines long-duration storage economics" – Dr. Don Sadoway (MIT Co-Inventor). The technology will scale to 2GWh US projects in 2025.

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