公开(公告)号：US20220017695A1

公开(公告)日：2022-01-20

申请号：US17370713

申请日：2021-07-08

Applicant: DALIAN UNIVERSITY OF TECHNOLOGY

Inventor： Xigao JIAN ,  Fangyuan HU ,  Cheng LIU ,  Shouhai ZHANG ,  Jinyan WANG ,  Lishuai ZONG

IPC: C08G65/48 ,  H01M10/0565 ,  C08G65/40

Abstract: A polyarylether-based polymer with side chain in polyethylene glycol structure, a solid polymer electrolyte and preparation methods therefor are disclosed. The main chain of the polymer has a polymer structure containing a polyarylether group, the side chain has a polyethylene glycol structure, and the structural formula of the polyarylether-based polymer is as follows: and the preparation method for the polyarylether-based polymer with side chain in polyethylene glycol structure comprises: step (1): preparing a polymer containing a polyarylether group; and step (2): dissolving the polymer containing a polyarylether group and polyethylene glycol in a solvent, then adding a catalyst, dripping a coupling agent after the catalyst is dissolved, and conducting reaction while stirring to obtain the polyarylether-based polymer with side chain in polyethylene glycol structure. The all-solid polymer electrolyte prepared by the present invention has favorable ionic conductivity and excellent heat resistance, high temperature resistance and mechanical strength.