[SMM New Energy] Foxconn, Rongtan Technology, and Central South University Jointly Release New Sodium-Ion Battery Cathode Material

Published: Dec 3, 2025 16:36

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Under the coordination and promotion of Foxconn Technology Group, the "Sodium-Ion Cathode Material Project" collaboratively conducted by Rongtan Technology and the Central South University team has been successfully concluded, with the release of a new-generation sodium-ion battery cathode material, "3S1." The "3S1" cathode material demonstrates outstanding overall performance: it has a powder compaction density of approximately 3.4 g/cm³, supports discharge at over 4C, and achieves a high-rate discharge of ≥5C in actual tests of 18650 battery cells. Under low-temperature conditions of -40°C, the discharge capacity retention rate exceeds 65%. It has also passed reliability tests such as high-temperature storage, balancing energy density, rate capability, and all-climate adaptability.

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