Process for manufacturing an electrochromic article
First Claim
1. A process for manufacturing an electrochromic article comprising the following successive steps:
- (a) depositing a layer of electrochromic compound on a surface of a transparent or translucent electrically conductive substrate,(b) depositing a redox agent, which is a reducing agent or an oxidizing agent for the electrochromic compound, on the layer of electrochromic compound,(c) contacting the layer of electrochromic compound, deposited in step (a), and the redox agent, deposited in step (b), with a liquid electrolyte for a sufficient time to enable reduction or oxidation of the electrochromic compound by the redox agent, and(d) removing the electrolyte by rinsing and/or drying,the layer of electrochromic compound being a porous layer with open porosity and/or an electrically conductive layer.
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Abstract
The present invention relates to a process for manufacturing an electrochromic article, comprising the following successive steps: (a) deposition of a layer of an electrochromic compound on the surface of a transparent or translucent electroconductive substrate; (b) deposition of a redox agent, which is a reducing agent or an oxidizing agent for the electrochromic compound, on the layer of electrochromic compound at a multitude of discrete points or areas thereon; (c) bringing the layer of electrochromic compound, deposited in step (a), and the redox agent, deposited in step (b), into contact with a liquid electrolyte for a time long enough to allow the electrochromic compound to be reduced or oxidized by the redox agent; and (d) elimination of the electrolyte by rinsing and/or drying, the layer of electrochromic compound being a porous layer of open porosity and/or an electrically conductive layer.
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Citations
15 Claims
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1. A process for manufacturing an electrochromic article comprising the following successive steps:
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(a) depositing a layer of electrochromic compound on a surface of a transparent or translucent electrically conductive substrate, (b) depositing a redox agent, which is a reducing agent or an oxidizing agent for the electrochromic compound, on the layer of electrochromic compound, (c) contacting the layer of electrochromic compound, deposited in step (a), and the redox agent, deposited in step (b), with a liquid electrolyte for a sufficient time to enable reduction or oxidation of the electrochromic compound by the redox agent, and (d) removing the electrolyte by rinsing and/or drying, the layer of electrochromic compound being a porous layer with open porosity and/or an electrically conductive layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification