Electrode for electrochromic device and electrochromic device

Details Electrode for electrochromic device and electrochromic device Electrode for electrochromic device and electrochromic device

G - Physics

02

F

G02F 1/155 (2006.01)

Patent

CA 2225604

An electrode for an electrochromic device is disclosed having an electrically conductive substrate and a plurality of capacitive members arranged on the substrate, each of the capacitive members containing fine particles bound together with a binder, the fine particles having electric capacity of not less than 1 farad/g, the binder in the capacitive member having degree of swelling of not higher than 20 mass% when measured after the binder in the capacitive member is immersed in .gamma.-butyrolactone at 25 °C for 24 hours. Also disclosed is an electrochromic device having the above electrode as a counterelectrode, an electrochromic electrode, and an electrolyte interposed therebetween.

Cette invention concerne une électrode pour dispositif électrochrome formée d'un support conducteur d'électricité et d'une série d'éléments capacitifs disposés sur ledit support, chacun renfermant des particules fines agglomérées dans un liant et caractérisées par une capacité électrique massique d'au moins 1 farad/g. Le liant utilisé affiche un gonflement massique d'au plus 20 % après immersion dans du gamma-butyrolactone à 25 degrés C pendant 24 heures. Cette invention concerne également un dispositif électrochrome dans lequel l'électrode ci-dessus sert de contre-électrode à une électrode électrochrome, les deux étant séparées par un électrolyte.

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