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A Study on Electrical Performances and Lifetime of a Flexible Electrochromic Textile Device

Moretti C., Tao X., Koncar V., Koehl L.

Autex Research Journal

2014

Vol. 14, no. 2

76--81

Using their ability to change their color according to an external stimulation, chromic materials can be used to form a color-changing textile. Electrochromism, more particularly, is a colour change phenomenon caused by the application of an electrical potential. A flexible textile electrochromic device composed of four layers is presented. In order to improve the lifetime of this structure, the electrical performances of the electrolyte layer are studied. A method to measure and calculate the resistance variations of the electrolyte applied on a textile cotton substrate is given. Relations between the electrical performances of the electrolyte and the electrochromic effect of the device are also highlighted.