Stretchable devices and methods of manufacture and use thereof

摘要

Stretchable electrochromic devices are disclosed including a stretchable electrochromic substrate; and a stretchable and transparent polymeric electrolyte coating or impregnating the stretchable electrochromic substrate. The stretchable electrochromic devices can find utility in the preparation of wearable electronic garments. Other devices using a stretchable and transparent polymeric electrolyte are disclosed.

主权项

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.