Positive Electrode Material for Lithium Secondary Battery, Positive Electrode Including Same, and Lithium Secondary Battery

A positive electrode material including a first positive electrode active material represented by Formula 1 and a second positive electrode active material represented by Formula 2, a positive electrode including the same, and a lithium secondary battery including the positive electrode are provided. The positive electrode material has a bimodal particle size distribution including large diameter particles and small diameter particles, and the difference in average particle diameter (D) between the large diameter particles and the small diameter particles is 3 μm or greater.