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Sodium-ion batteries have surpassed lithium in grid storage with CATL’s 2024 TENER deployment:

• Zero Degradation Tech: Double-conjugated polymer cathodes maintain 100% capacity after 15,000 cycles

• Extreme Cold Performance: 92% capacity retention at -40°C vs lithium’s 55%

• Cost Advantage: $47/kWh system cost (35% below LFP)

Commercial Impact:
✅ China’s 5.2GWh Ningxia Project powers 600,000 homes
✅ Fire Safety: Halogen-free chemistry passes nail penetration at 500°C
✅ Resource Security: Uses abundant seawater sodium

"This ends lithium's grid dominance" – Dr. Elena Rodriguez, IEA Storage Lead.

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