author = "Z. Chen and S. Li and Y. Zhao and M. F. A. Aboud and I. Shakir and Y. Xu",
  title = "Ultrafine {FeS}2 nanocrystals/porous nitrogen-doped carbon hybrid nanospheres encapsulated in three-dimensional graphene for simultaneous efficient lithium and sodium ion storage",
  year = 2019,
  journal = "Journal of Materials Chemistry A",
  publisher = "Royal Society of Chemistry (RSC)",
  volume = 7,
  number = 46,
  doi = "10.1039/c9ta10184e",
  url = ""