A positive electrode for a non-aqueous electrolyte secondary battery includes a positive current collector, a coating layer including graphite, the coating layer coating the positive current collector, a positive active material having a composition represented by Chemical Formula 1, and a conductive auxiliary agent having a BET specific surface area of about 35 m2/g to about 350 m2/g, where Chemical Formula 1 is LixNiyMn2-y-zMzO4, wherein, M is at least one metal element selected from a transition metal and aluminum, the transition metal is a transition metal other than nickel (Ni) or manganese (Mn), and x, y, and z are within the ranges: 0.02 to 1.10, 0.25 to 0.6, and 0.0 to 0.10.