Flexible transparent electrochomic device, and a method for the preparation thereof

US9249353B2 · kind B2 · utility

Assignees

• Hydro-Quebec · CA
• Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE
• CONSORZIO INTERUNIVERSITARIO NAZIONALE PER LA SCIENZA E TECNOLOGIA DEI MATERIALI INSTM · IT
• UNIVERSITA' DEGLI STUDI DI MILANO - BICOCCA · IT

Inventors

• Uwe Posset · Cadolzburg, DE
• Bettina Herbig · Veitshöchheim, DE
• Gerhard Schottner · Heilsbronn, DE
• Karim Zaghib · Longueuil, CA
• Jean-Francois Labrecque · Thurso, CA
• Abdelbast Guerfi · Brossard, CA
• Michel Perrier · Thurso, CA
• Riccardo Ruffo · Bresso, IT
• Matteo Marco Salamone · Brugherio, IT
• Claudio Maria Mari · Milano, IT
• Luca Beverina · Milano, IT
• Giorgio Pagani · Milano, IT
• Martin Dontigny · Varennes, CA

Key dates

• Filing date: Sep 19, 2012
• Grant date: Feb 2, 2016
• Expiry date: Sep 19, 2032

Classification

• Technology area (CPC G): Physics
• CPC primary: G02F2001/164
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

A flexible transparent electrochromic device, which includes 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 including a transparent conducting substrate supporting a counter electrode active material; a solid polymer electrolyte (SPE) including a solution of a lithium salt in a polymer solvent. A method for preparing an electrochromic device includes 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.