Yang, S. H., Y. J. Lee, H. Kang, S. Park, and Y. C. Kang. “Carbon-Coated Three-Dimensional MXene/Iron Selenide Ball With Core–Shell Structure for High-Performance Potassium-Ion Batteries”. Nano-Micro Letters, vol. 14, Dec. 2021, p. 17, doi:10.1007/s40820-021-00741-0.