Novel solid electrolyte for electrochromic device

The invention discloses a novel solid electrolyte for an electrochromic device and a preparation method thereof. The electrolyte is prepared from the following raw materials: hydroxyethyl methacrylate, an acrylate cross-linking agent, lithium salt, succinonitrile, an additive and a photoinitiator. The electrolyte solution has good mechanical properties after being photo-cured into gel under an ultraviolet lamp. The solid electrolyte provided by the invention is prepared from cheap and easily available raw materials, the preparation process is simple, and the solid electrolyte has the characteristics of stability and transparency in a wide temperature range. Good application is realized in an electrochromic device. 本发明公开了一种应用于电致变色器件中的新型固态电解质及其制备方法。电解质由以下各组分的原料组成：甲基丙烯酸羟乙酯，丙烯酸酯类交联剂，锂盐，琥珀腈，添加剂，光引发剂。该电解质溶液在紫外灯下光固化成凝胶后具有良好的机械性能。本发明所涉及的固态电解质采用廉价易得的原料制备，制备工艺简单，该固态电解质具有在宽温度范围内稳定且透明的特性。在电致变色器件中具有很好的应用。