POLYETHYLENE OXIDE GROUP-CONTAINING POLYSILOXANE CROSS- LINKED PRODUCT AND POLYMER SOLID ELECTROLYTE

摘要

PROBLEM TO BE SOLVED: To provide a polymer solid electrolyte which has high ion conductivity even in a solvent-free system and has excellent mechanical strengths. SOLUTION: In the polysiloxane cross-linked product, structural unit comprising a tri-functional silicon-having polysiloxane are bound to structural units comprising a compound having oxyethylene units as repeating units. The polymer solid electrolyte comprises the polysiloxane cross-linked product and a lithium salt.