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Sodium-Ion Goes Mainstream

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CATL’s first-generation sodium-ion batteries now power 5G base stations across China, overcoming lithium’s limitations:

Raw Materials: 40% cost reduction (abundant seawater sodium)
Performance:
• 160 Wh/kg energy density
• 3,000 cycles at -40°C
• 15-minute fast charging
Safety: Zero thermal runaway risk (Nature Energy, Mar 2024)

Deployed in BYD’s Seagull EV (2024):
✅ 250km range per charge
✅ $9,200 base price
✅ Fireproof electrolyte passes nail penetration tests

"Sodium erases resource geopolitics" – Dr. Zhang Hui, CATL CTO.

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