Positive electrode composition for nonaqueous electrolyte secondary battery

A positive electrode composition for nonaqueous electrolyte secondary battery comprising: a lithium transition metal complex oxide represented by a general formula LiNiCOMy WMw O(1.0≤a≤1.5, 0≤x≤0.5, 0≤y≤0.5, 0.002≤z≤0.03, 0≤w≤0.02, 0≤x+y≤0.7, Mrepresents at least one selected from the group consisting of Mn and Al, Mrepresents at least one selected from the group consisting of Zr, Ti, Mg, Ta, Nb and Mo); and a boron compound comprising at least boron element and oxygen element.