US8647773B2
University of Texas System
The disclosure relates a niobium oxide useful in anodes of secondary lithium ion batteries. Such niobium oxide has formula Li x M 1−y Nb y Nb 2 O 7 , wherein 0≦x≦3, 0≦y≦1, and M represents Ti or Zr. The niobium oxide may be in the form of particles, which may be carbon coated. The disclosure also relates to …