FLEXIBLE TRANSPARENT ELECTROCHOMIC DEVICE, AND A METHOD FOR THE PREPARATION THEREOF

• Main Authors: GUERFI ABDELBAST, ZAGHIB KARIM, SALAMONE MATTEO MARCO, SCHOTTNER GERHARD, MARI CLAUDIO MARIA, PERRIER MICHEL, BEVERINA LUCA, HERBIG BETTINA, POSSET UWE, PAGANI GIORGIO, RUFFO RICCARDO, DONTIGNY MARTIN, LABRECQUE JEAN FRANCOIS
• Format: Patent
• Language: English; Korean
• Published: 17.09.2014
• Subjects: ADHESIVES; CHEMISTRY; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; DYES; FREQUENCY-CHANGING; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PAINTS; PHYSICS; POLISHES; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF

The invention is related to a flexible transparent electrochromic device, which comprises the following components, each of which is a flexible film: a working electrode comprising a transparent conducting substrate supporting an working electrode active material; a counter electrode comprising a transparent conducting substrate supporting a counter electrode active material; a solid polymer electrolyte (SPE) comprising a solution of a lithium salt in a polymer solvent. Th method for preparing a said electrochromic device of the invention comprises the steps of: preparing a working electrode film, preparing a counter electrode film, preparing a polymer electrolyte film, and assembling the electrodes and the electrolyte, the method being implemented continuously.