The Dawn of Sodium Batteries and the Lithium Divide

The provided source discusses the industrial debut of sodium-ion batteries, specifically highlighting CATL’s Tianxing II model as a milestone in energy storage. While these batteries offer extreme cold resistance and a lifespan of 10,000 cycles, they still face hurdles regarding energy density compared to traditional lithium options. Because sodium ions are physically larger, they are currently better suited for commercial vans and stationary storage rather than long-range luxury vehicles. Economic factors also play a role, as the established lithium supply chain and fluctuating raw material prices currently limit sodium's market dominance. Ultimately, the source predicts a segmented market where sodium powers budget-friendly and heavy-duty transport, while lithium remains the standard for high-performance electronics. One notable advantage of this emerging technology is its superior safety during transport, as sodium cells can be fully discharged to zero volts without risk.

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