Flexible electrode and preparation method thereof

The invention provides a flexible electrode and a preparation method therefor, and the method comprises the following steps: S1, spraying a metal nanowire solution on the surface of modified glass, putting the modified glass into a drying box for drying, performing cooling after drying, and forming a metal nanowire layer; S2, preparing a thermoplastic elastomer solution; S3, printing a thermoplastic elastomer solution on the metal nanowire layer by adopting a silk-screen printing mode, and performing heating and curing to enable the thermoplastic elastomer solution to form an elastic protective layer with a predetermined pattern on the metal nanowire layer; S4, putting the metal nanowire layer with the protective layer into a metal etching solution for etching to form a metal nanowire electrode with a predetermined pattern; S5, pouring a thermoplastic elastomer solution into the metal nanowire electrode, and drying and curing the metal nanowire electrode; S6, stripping the metal nanowire electrode from the su