Patent ID: 8760748
Filing Date: 2014-06-24
Classification: D06P,G02F,H01M,Y02E

Abstract:
1. A stretchable electrochromic device, comprising: a stretchable conductive substrate; an electrochromic material disposed on or impregnating the stretchable conductive substrate to form a stretchable electrochromic substrate; and a stretchable transparent polymeric electrolyte coating or impregnating the stretchable conductive substrate, the stretchable electrochromic substrate, or a combination thereof; wherein the stretchable transparent polymeric electrolyte comprises a thermoplastic polyurethane, a thermoplastic polyurea, or a combination thereof, and a salt; wherein the thermoplastic polyurethane and thermoplastic polyurea are not chemically crosslinked; and wherein the thermoplastic polyurethane is prepared from a thermoplastic polyurethane prepolymer, and the thermoplastic polyurea is prepared from a thermoplastic polyurea prepolymer.