Active material composite and a manufacturing method thereof, the positive electrode active material for a nonaqueous electrolyte secondary battery, and a nonaqueous electrolyte secondary battery

Positive electrode active material for non-aqueous electrolyte secondary battery of the present invention, the active material particles having an average particle diameter made of active material is 100nm or less, an average particle diameter of a conductive material and the conductive particles is 100nm or less There were joined together, a specific surface area of 150 meters