Fabrication of TiO2@ carbon core-shell nanosheets for advanced lithium- ion batteries with excellent cyclability

TiO2@ carbon with a nanosheet morphology and core-shell structure was constructed by self- assembly/ carbonization of P123, CTAB and exfoliated titanate nanosheets. The obtained composite possesses an ultrathin structure (similar to 5.5 nm) and exhibits high capacity (549mA h g(-1)) and excellent cyclability (385 mA h g(-1) after 2000 cycles at 4.6 A g(-1)) as an anode for Li-ion batteries.