Positive Electrode for Lithium Secondary Battery and Lithium Secondary Battery Including the Same

A positive electrode for a lithium secondary battery comprising a positive electrode active material layer including:

• a first positive electrode active material represented by Formula 1 below, wherein the first positive electrode active material has a crystalline size of 150 nm or more;
• Lix1[Nia1Cob1M1c1M2d1]O2 [Formula 1]
• wherein, in Formula 1 above,
• M1 is Mn, Al, or a combination thereof,
• M2 is at least one selected from the group consisting of Zr, B, W, Mg, Ce, Hf, Ta, La, Ti, Sr, Ba, F, P, and S, and
• 0.9≤x1≤1.1, 0.8≤a1<1, 0<b1<0.2, 0<c1<0.2, 0≤d1≤0.1,
• a conductive agent including single-walled carbon nanotubes;
• and
• a binder.