SOLID POLYMER ELECTROLYTE COMPOSITION, AND SOLID POLYMER ELECTROLYTE CONTAINING SAME

The present invention relates to a solid polymer electrolyte composition and a solid polymer electrolyte, more particularly, to a solid polymer electrolyte composition and a solid polymer electrolyte formed by photocuring the same, comprising a polymer (A) containing alkylene oxide and having one reactive double bond, a multifunctional cross-linkable polymer (B), and an ionic liquid, wherein the ionic liquid comprises an amide-based solvent and a lithium salt.