Y.Qiu, W.Zhao, Y.Pan, T.Chen, H.Zhang, and X.Sun, “A Dual-Layer Carbon Encapsulation Strategy for Stable Silicon Anodes: Inner Volume Expansion Buffer and Outer Interface Stabilization.” Small (2026): e73794. https://doi.org/10.1002/smll.73794 Conflicts of Interest The authors declare no conflicts of interest. Data Availability Statement The data that support the findings of this study are available from the corresponding author upon reasonable request.