SEVB Unveils "Xin Na Qing" Sodium-Ion Battery Solution & AI Strategy on Tech Day

Published: Apr 21, 2026 16:44
On April 16, SEVB held its inaugural Technology Day, officially launching the **"Xin Na Qing" sodium-ion battery full-scenario solution**, covering two core fields—vehicle power and power grid energy storage—while simultaneously unveiling its AI + battery strategy. The event featured the release of a 388Ah large-capacity sodium-ion battery cell dedicated to energy storage, with a cycle life exceeding 20,000 cycles (70% capacity retention), a low-temperature discharge capacity retention rate exceeding 85% at -40°C, and room-temperature energy efficiency 7% higher than LFP batteries. A 54Ah high-C-rate sodium-ion battery cell supporting 12C discharge was also introduced, suitable for large power frequency regulation scenarios. In the vehicle sector, a low-temperature power sodium-ion battery cell was launched, featuring an energy density of 180Wh/kg and usable capacity exceeding 80% at -40°C.

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