Patent ID: 8734675

Claim:
A method for preparing a Li 4 Nb x Ti 5-x O 12 /C nanocomposite, comprising: (a) obtaining a mixture of a lithium salt, niobium pentoxide, titanium dioxide (TiO 2 ), and a carbon source in a selected stoichiometric ratio; (b) mixing the mixture in a dispersant to produce a slurry; (c) drying the slurry to produce a dried mixture; and (d) treating the dried mixture according to a heating program to produce the Li 4 Nb x Ti 5-x O 12 /C nanocomposite, wherein the heating program comprises: a calcining step at a first temperature, a heating step to a second temperature, a first cooling step to a third temperature, a holding step at the third temperature, and a second cooling step to room temperature.