| abstract |
(57) [Summary] (Modified) [Objective] The present invention is a polymer-based solid electrolyte, which is particularly excellent in mechanical strength and at the same time has high ionic conductivity, moldability, stability and the like. I will provide a. This composite solid electrolyte comprises a block-graft copolymer comprising a block chain A represented by the following chemical formula 9 and a block chain B represented by the following chemical formula 10, an inorganic salt and a cyclic carbonic acid ester type organic solvent. And are included. [Chemical 9] [Chemical 10] |