Li, Y., B. Ni, X. Li, X. Wang, D. Zhang, Q. Zhao, J. Li, T. Lu, W. Mai, and L. Pan. “High-Performance Na-Ion Storage of S-Doped Porous Carbon Derived from Conjugated Microporous Polymers”. Nano-Micro Letters, vol. 11, July 2019, p. 60, doi:10.1007/s40820-019-0291-z.