fig9

Figure 9. Recent advances in electrolyte pattern design. (A) Flexible and self-powered ECD with electrolyte pattern by connecting the hydrogel pen with EC film by Al wire. Reproduced with permission^[21]. Copyright 2023, SPJ; (B) Stretchable ECD with screen-printed patterned electrolyte. Reproduced with permission^[50]. Copyright 2020, Springer Nature; (C) Flexible ECD with 3D direct printed patterned UV-curable electrolyte. Reproduced with permission^[20]. Copyright 2022, Wiley-VCH. ECD: Electrochromic display; EC: electrochromic; UV: ultraviolet.