abstract |
The present invention relates to a gel polymer electrolyte composition for a lithium secondary battery and a secondary battery comprising same, and specifically relates to a gel polymer electrolyte composition for a lithium secondary battery, the composition comprising a lithium salt, a non-aqueous organic solvent, an ionic liquid, an oligomer having a specific structure, a thermal stabilizer and a polymerization initiator, and to a lithium secondary battery which has improved high-temperature stability as a result of comprising the gel polymer electrolyte composition. |