POSITIVE ELECTRODE AND SECONDARY BATTERY INCLUDING THE SAME

The present invention relates to a positive electrode which includes a positive electrode collector, a first positive electrode active material layer which is disposed on the positive electrode collector and includes a first positive electrode active material, and a second positive electrode active material layer disposed on the first positive electrode active material layer, wherein the second positive electrode active material layer includes a second positive electrode active material, and a carbon nanotube structure in which 2 to 5,000 single-walled carbon nanotube units are bonded side by side, wherein the carbon nanotube structure is included in an amount of 0.01 wt% to 1.0 wt% in the second positive electrode active material layer, and a secondary battery including the same.