Acknowledgement This work was financially supported by the Major Program of the Natural Science Foundation of China (Grant No. 51090380), the National Science Foundation for Distinguished Young Scholars of China (Grant No. 51125018), the Knowledge Innovation Program of the Chinese Academy of Sciences (KGCX2-YW-214) and the special funds of "Mountain Tai Scholar" construction project. The computing platform was supported by the Computer Facility for Theoretical and Computational Chemistry, Institute of Chemistry (CFCC), Chinese Academy of Sciences (CAS).
TiO2 is a latent anode material for rechargeable lithium batteries. Our simulation models, basing lepidocrocite and 2-MnO2 type TiO2 were investigated by density functional theory (DFT). The key issues are focused o...