| abstract |
The present invention relates to a cathode for a secondary battery and a secondary battery comprising same, wherein the cathode comprises: a cathode active material comprising a lithium transition metal oxide containing nickel, cobalt, and manganese, the atomic proportion of nickel relative to the overall transition metals being 80 atm% or more; and a cathode active material layer comprising a metal oxide containing a metal element having a binding potential of 0.5-4 V with lithium. |