Copolymer electrolyte, preparation method thereof and solid-state lithium secondary battery

A monomer composition, in particular for preparing a polymer electrolyte precursor composition capable of forming a solid polymer electrolyte, where the monomer composition comprises A) an alkylene oxide-based monomer; and B) a siloxane monomer. Also provided are a copolymer electrolyte precursor composition for preparing a solid polymer electrolyte, a polymerization method for preparing a solid copolymer electrolyte, a copolymer, a solid copolymer electrolyte, a solid-state lithium secondary battery, a method for preparing a solid-state lithium secondary battery, and a method for preparing a solid-state lithium secondary battery. Use of a monomer composition or a copolymer electrolyte precursor composition for preparing a solid polymer electrolyte in a lithium secondary battery, an electrochemical device and a device. 一种单体组合物，特别地其用以制备能够形成固体聚合物电解质的聚合物电解质前体组合物，其中所述单体组合物包含A)基于环氧烷的单体；和B)硅氧烷单体。还提供了一种用于制备固体聚合物电解质的共聚物电解质前体组合物、一种用于制备固体共聚物电解质的聚合方法、一种共聚物、一种固体共聚物电解质、一种固态锂二次电池、一种制备固态锂二次电池的方法、单体组合物或共聚物电解质前体组合物在制备锂二次电池中的固