Electrochromic device: Developed a durable double85Electrochromic device with stability and resistance to strong light irradiation. By adopting an ultra-low sheet resistance metal grid transparent electrode, the response speed of large-sized electrochromic devices can be greatly improved; the large-area fabric-based electrochromic device has been realizedDEMO. It can be applied to smart glass, multi-functional flexible wearables, smart displays, and other fields.