| abstract |
A vehicle containing an nonaqueous electrolyte battery, the nonaqueous electrolyte battery including:n a negative electrode containing a negative electrode active material; a positive electrode; and a nonaqueous electrolyte, where the negative electrode active material contains a composite oxide of formula: nn Li x (Nb 1-y Ta y ) 2-z Ti 1+0.5z M 0.5z O 7 , where 0≦x≦5, 0≦y≦1, and 0.4≦z≦1, and M is at least one metal element selected from Mo and W. |