| abstract |
The present invention relates to a polymer electrolyte for a secondary battery and a lithium secondary battery comprising it and, specifically, a polymer electrolyte for a secondary battery, the polymer electrolyte comprising: a first polymer comprising a repeating unit represented by the chemical formula 1 below; and a second polymer comprising a repeating unit derived from a monomer having at least one ethylene-based unsaturated group or an oligomer thereof, and a lithium secondary battery comprising it. |