Abstract
TiO2 has large potential ability in Lithium-ion batteries due to its high energy density and safety. The main reasons that limit the performance of TiO2 electrode is its low real capacity which caused by poor conductivity and other factors. Varying bulk TiO2 materials to nanoscale is believed a promising method as it could increase Li insertion sites, short the ions diffusion distance and enhance the kinetics. In addition, doping heterogeneous elements or compositing other conductivity materials could enable TiO2 to improve electron transfer ability. In this paper, we reviewed the electrochemical performance of some nanostructured TiO2 and analyzed the merits and weaknesses. Some challenges and perspectives for future research were also discussed.
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