A nanocomposite of core@shell Sb@Sb2O3 particles anchored on 3D porous nitrogen-doped carbon nanosheets is synthesized and employed as a anode for Li-ion battery, demonstrating excellent rate capability and cycle performance.
CuO/Cu ultra-uniformly dispersed in N-doped carbon nanofibers as anode materials for Li-ion batteries delivered excellent long-term cycling stability.