Nayuan Unveils Anode-Free Sodium-Ion Battery Prototype with 220 Wh/kg Energy Density

Published: Mar 30, 2026 14:38

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[SMM, March 30] Technological iteration in the sodium-ion battery industry accelerated, and the anode-free route achieved a critical breakthrough. Recently, Nayuan New Materials Technology (Wuxi) Co., Ltd. officially released its NFS anode-free sodium-ion battery prototype product. The battery cell's measured energy density reached 220 Wh/kg, significantly higher than the industry's mainstream level of 120 Wh/kg, providing important technological support for sodium-ion batteries to break through performance bottlenecks and expand application scenarios.

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