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Interlayer-Expanded Graphite Anode Material for Sodium-ion Secondary Batteries

XRD analysis confirmed over 1 nm interlayer expansion by CIP Energy’s process,

→ Enabling sodium-ion transport previously impossible.




Interlayer expansion
d-spacing table
After interlayer expansion,
sodium-ion migration became possible. Optimized process concentration maintains stable spacing.
XRD graph results
Peak shift to the left → actual interlayer expansion confirmed.

Sodium anode material considering quality, performance, cost, and environmental impact.