| abstract |
(57) Abstract: A gel having high ionic conductivity, being thermally and electrochemically stable, and having gel strength capable of responding to downsizing and thinning of an electrochemical device. A solid electrolyte. [MEANS FOR SOLVING PROBLEMS] (a) A block-copolymerized thermoplastic elastomer containing a polyether or an aliphatic polyester as a soft segment and a polyamide or an aromatic polyester as a hard segment, (b) a polar organic solvent and (c) an electrolyte. A gel electrolyte characterized by the above. |