| abstract |
The present invention relates to a precursor composition for preparing a polymer electrolyte, a polymer electrolyte prepared using the same, and a secondary battery. The precursor composition for preparing a polymer electrolyte of the present invention includes a lithium salt, a non-aqueous organic solvent, a polymerization initiator, an oligomer represented by Formula 1, and a compound represented by Formula 2, the oligomer represented by Formula 1 and Formula 2 The compound to be used may be included in a weight ratio of 1:0.01 to 1:4. |