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Keywords:

  • electrostatic attraction;
  • graphene;
  • lithium-ion batteries;
  • self-assembly;
  • silicon nanoparticles
Thumbnail image of graphical abstract

An electrostatic attraction directed self-assembly approach for uniform dispersion of Si nanoparticles between two layers of graphene sheets has been developed. The as-obtained Si-NP@G nanocomposite exhibits much improved cycling performance and excellent rate capability.