COMPOSITION FOR GEL POLYMER ELECTROLYTE, GEL POLYMER ELECTROLYTE PREPARED THEREFROM, AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

The present invention provides a composition for a gel polymer electrolyte, the composition including: a first oligomer represented by Formula 1; a second oligomer including a first repeating unit which is represented by Formula 2a and derived from a styrene monomer; a polymerization initiator; a lithium salt; and a non-aqueous solvent, a gel polymer electrolyte prepared using the same, and a lithium secondary battery.