Electrode for secondary battery and secondary battery including the same

1. A cathode for a secondary battery comprising a cathode mixture comprising a cathode active material, a binder and a conductive material coated on a current collector,

wherein the cathode active material includes an oxide represented by LiNi 0.5 Mn 1.5 O 4 , and

the conductive material is a carbon nanotube (CNT) having an average diameter of 5 to 50 nm and a length of 0.5 to 10 μm, and the conductive material is included in an amount of 5 to 10% based on total weight of the electrode mixture.

2. A secondary battery comprising the cathode according to claim 1 .

3. The secondary battery according to claim 2 , wherein the secondary battery is a lithium secondary battery.

4. A battery module comprising the secondary battery according to claim 3 as a unit battery.

5. A battery pack comprising the battery module according to claim 4 .

6. A device comprising the battery pack according to claim 5 .

7. The device according to claim 6 , wherein the device is an electric vehicle, a hybrid electric vehicle, a plug-in hybrid electric vehicle, or a system for storing power.

8. The secondary battery according to claim 2 , further comprising an anode comprising an anode mixture comprising an anode active material, a binder and a conductive material coated on a current collector, wherein the anode active material includes an oxide represented by Formula 4 below:

Li a Ti b O 4   (4)

wherein 0.1≦a≦4 and 0.2≦b≦4.

9. The secondary battery according to claim 8 , wherein the oxide of Formula 4 is Li 1.33 Ti 1.67 O 4 or LiTi 2 O 4 .