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Keywords:

  • catechol;
  • polymeric binder;
  • lithium-ion batteries;
  • mussels;
  • anodic materials;
  • silicon nanoparticles
Thumbnail image of graphical abstract

Conjugation of mussel-inspired catechol groups to various polymer backbones results in materials suitable as silicon anode binders. The unique wetness-resistant adhesion provided by the catechol groups allows the silicon nanoparticle electrodes to maintain their structure throughout the repeated volume expansion and shrinkage during lithiation cycling, thus facilitating substantially improved specific capacities and cycle lives of lithium-ion batteries.