Gel polymer electrolyte containing ionic liquid and...

Details Gel polymer electrolyte containing ionic liquid and... Gel polymer electrolyte containing ionic liquid and...

2005-04-18

2008-08-12

Mack, Ricky (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S270000

Reexamination Certificate

active

07411716

ABSTRACT:
Disclosed is an electrochromic device comprising: (a) a first electrode; (b) a second electrode; (c) an electrochromic material; and (d) a gel polymer electrolyte containing an ionic liquid. A method for manufacturing the same is also disclosed. The electrochromic device uses a gel polymer electrolyte comprising an ionic liquid. Therefore, there is no problem related with electrolyte leakage. Additionally, it is possible to manufacture electrochromic devices by using plastic materials, because the ionic liquid gel polymer electrolyte permits structural deformation with ease. Further, because the electrochromic device uses an ionic liquid, it is possible to minimize side reactions between constitutional elements of an electrochromic device and electrolyte.

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Dissanayake, M.A.K.L. et al., “A Novel Gel Polymer Electrolyte Based on Polyacrylonitrile (PAN) and Its Application in a Sonar Cell”,Materials Research Bullentin 37(2002), pp. 868-870.
Panero, Stefania et al., “Electrochromic Windows Based on Polyaniline, Tungsten Oxide abd Gel Electrolytes”,Solar Energy Materials and Solar Cells 39(1995), pp. 239-242.

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