NOVELTY - Preparation of lithium titanate involves providing a primary aqueous solution, generating a seed suspension by adding a portion of the primary aqueous solution to a secondary aqueous medium and providing a secondary aqueous solution, generating a suspension containing hydrated titanium oxide particles, adding the primary aqueous solution to the seed suspension, agitating and heating the reaction mixture, recovering the hydrated titanium dioxide particles from the suspension, mixing the hydrated titanium dioxide particles with lithium salt, and calcining the mixture.    USE - Preparation of lithium titanate used for lithium ion battery used in electric vehicle, hybrid electric vehicle, and electric train.    ADVANTAGE - The method enables preparation of lithium titanate with high purity and surface area, and provides lithium ion battery with high performance.    DETAILED DESCRIPTION - Preparation of lithium titanate involves hydrolyzing titanium chloride in an aqueous medium and providing a primary aqueous solution containing titanium oxychloride at a concentration of 0.5-2 M, generating a seed suspension by adding a portion of the primary aqueous solution to a secondary aqueous medium and providing a secondary aqueous solution containing titanium oxychloride at a concentration of 0.01-0.1 M, agitating and heating the secondary aqueous solution at temperature of 60-80 degrees C for a period of time sufficient for providing the seed suspension containing hydrated titanium dioxide particles having a particle size of less than 100 nm, generating a suspension containing hydrated titanium oxide particles by adjusting the temperature of the seed suspension to 70-100 degrees C, adding the primary aqueous solution to the seed suspension at a rate of less than 15 mL/L/minute while agitating the seed suspension for providing a reaction mixture containing titanium oxychloride at a concentration of 0.7-1.8 M, agitating and heating the reaction mixture at a temperature of 70-100 degrees C for a period of time sufficient for preparing the suspension containing hydrated titanium dioxide particles having particle size of 0.4-5 mu m, recovering the hydrated titanium dioxide particles from the suspension, mixing the hydrated titanium dioxide particles with lithium salt and preparing a mixture containing lithium and titanium in the ratio of 0.6-1, and calcining the mixture at 750-1000 degrees C for a period of time sufficient for preparing lithium titanate. An INDEPENDENT CLAIM is included for preparation of titanium dioxide.