Anatase TiO2 Hollow Nanospheres with Ultrathin Shell Exhibit Superior Lithium Storage Property

This is the authors' abstract. We don't add key points for this paper.

TiO2 hollow nanospheres with ultrathin shell of ca.10 nm were prepared by using sulfur nanospheres as templates and its electrochemical performance was investigated as anode material for lithium ion battery. The results show that the as-obtained anatase TiO2 exhibits superior lithium storage capability due to its characteristic lithium storage mechanism and somewhat pseudocapacitive property. The as-obtained anatase TiO2 electrode delivered a high initial specific capacity of 574.5 mAh g-1 at 168 mA g-1 and displays excellent cycling performance after first cycle, which might be attributed to the improvement of ionic and electron conduction of anatase TiO2 due to the unique hollow nanostructure with ultrathin shell.