Highly Stable Lithium Storage Performance in a Porous Carbon/Silicon Nanocomposite

A porous carbon/silicon nanocomposite was synthesized in a one-step procedure based on a "soft-templating" methodology, taking advantage of phase separation between mesophase-pitch and organic polymers as soft templates. The resulting nanocomposite exhibits a highly stable reversible capacity of 450 mA h g−1 in a vinylene carbonate-containing electrolyte.