Detailed description of the invention Technical challenge [12] An object of the present invention is to provide a positive electrode and a secondary battery including the same, which can maintain the viscosity of a positive electrode slurry at a desirable level, has advantages in terms of processability and manufacturing cost, has good positive electrode adhesion, and has improved conductivity. Means of solving the task [13] According to an embodiment of the present invention, a current collector and a positive electrode active material layer disposed on the current collector are included, and the positive electrode active material layer includes a positive electrode active material, a carbon nanotube, and a binder, and the binder has a weight average molecular weight. comprises at 720,000g / mol to 980,000g / mol of poly vinylidene fluoride and, BET specific surface area of the carbon nanotube is 140m 2 / g to 195m 2 a / g, there is provided a positive electrode satisfies the following formula 1 . [14] [Equation 1] [15] 1.3 ≤ B/A ≤ 3.4 [16] In Equation 1, B is the content (wt%) of the polyvinylidene fluoride in the positive electrode active material layer, and A is the content (wt%) of the carbon nanotubes in the positive electrode active material layer. [17] According to another embodiment of the present invention, a secondary battery including the positive electrode is provided. Effects of the Invention [18] According to the present invention, by adjusting the BET specific surface area of ​​the carbon nanotubes, the content ratio of polyvinylidene fluoride and the carbon nanotubes, and the weight average molecular weight of the polyvinylidene fluoride, the conductivity of the positive electrode and the positive electrode adhesion are improved. , When manufacturing the positive electrode, it is possible to suppress excessive increase and decrease of the positive electrode slurry. Accordingly, there is an advantage in terms of processability and manufacturing cost when manufacturing a positive electrode, it is easy to apply a positive electrode slurry, and a positive electrode active material layer can be uniformly formed. In addition, the output of the battery and the life characteristics at high temperatures can be further improved. Mode for carrying out the invention [19] Hereinafter, the present invention will be described in more detail to aid understanding of the present invention. At this time, terms or words used in the present specification and claims should not be construed as being limited to a conventional or dictionary meaning, and the inventor appropriately defines the concept of terms in order to describe his own invention in the best way. It should be interpreted as a meaning and concept consistent with the technical idea of ​​the present invention based on the principle that it can be done. [20] [21] The anode according to an embodiment of the present invention. A current collector and a positive active material layer disposed on the current collector, and the positive active material layer includes a positive active material, carbon nanotubes, and a binder, and the binder has a weight average molecular weight of 720,000 g/mol to 980,000 g/ A mol of polyvinylidene fluoride is included, and the BET specific surface area of ​​the carbon nanotube is 140 m 2 /g to 195 m 2 /g, and the following Equation 1 is satisfied. [22] [Equation 1] [23] 1.3 ≤ B/A ≤ 3.4 [24] In Equation 1, B is the content (wt%) of the polyvinylidene fluoride in the positive electrode active material layer, and A is the content (wt%) of the carbon nanotubes in the positive electrode active material layer. [25] [26] The current collector is not particularly limited as long as it has conductivity without causing a chemical change in the battery. For example, as the current collector, copper, stainless steel, aluminum, nickel, titanium, calcined carbon, or aluminum or stainless steel surface treated with carbon, nickel, titanium, silver, or the like may be used. Specifically, a transition metal that adsorbs carbon well, such as copper and nickel, can be used as the current collector. [27] [28] The positive active material layer may be disposed on the current collector. The positive active material layer may be disposed on one or both surfaces of the current collector. [29] The positive active material layer may include a positive active material, carbon nanotubes, and a binder. Specifically, the positive electrode active material layer may be composed of a positive electrode active material, a carbon nanotube, and a binder. [30] [31] The positive electrode active material may include Li[Ni x1 Mn y1 Co z1 ]O 2 (0.40≦x1≦0.70, 0.15≦y1≦0.30, 0.15≦ z1 ≦0.30, x1+y1+z1=1). The positive electrode active material has a high energy density, and enables the fabrication of a high-capacity battery. Specifically, the positive electrode active material may include Li(Ni x2 Mn y2 Co z2 )O 2 (0.56