Negative electrode active material and method of producing the same, nonaqueous electrolyte battery, and battery pack

A method of producing a negative electrode active material comprising:

• a process in which titanic oxide compound powder and a Si-containing metal alkoxide are mixed to obtain a mixture;
• and
• a process in which the mixture is dried to form a coating layer including a Si-containing metal oxide and a residual organic component on at least a part of surface of the titanic oxide compound powder.

A method of producing a negative electrode active material comprising:

• a process in which titanic oxide compound powder and a sodium silicate are mixed to obtain a mixture;
• and
• a process in which the mixture is neutralized and dried to form a coating layer including a Si-containing metal oxide on at least a part of surface of the titanic oxide compound powder.