Novel Synthesis Method and Electrochemical Characteristics of Lithium Titanium Oxide as Anode Material for High Power Device

Lithium titanium oxide as anode material for energy storage prepared by novel synthesis method. Li
₄
Ti
₅
O
₁₂
based spinel-framework structures are of great interest material for lithium-ion batteries. We describe here Li
₄
Ti
₅
O
₁₂
a zero-strain insertion material was prepared by novel sol-gel method and by high energy ball milling (HEBM) of precursor to from nanocrystalline phases. According to the X-ray diffraction and scanning electron microscopy analysis, uniformly distributed Li
₄
Ti
₅
O
₁₂
particles with grain sizes of 100 nm were synthesized. Lithium cells, consisting of Li
₄
Ti
₅
O
₁₂
anode and lithium cathode showed the 173 mAh/g in the range of 1.0~3.0 V. Furthermore, the crystalline structure of Li
₄
Ti
₅
O
₁₂
didn't transform during the lithium intercalation and deintercalation process