Electrochromic FIlm For Smart Windows
Retrofitting windows with an electrically dimmable plastic film is a dream that is finally coming close to fruition.
The EU-funded EELICON (Enhanced Energy Efficiency and Comfort by Smart Light Transmittance Control) project is focusing on an innovative switchable light transmittance technology that was developed in a project previously co-funded by the EU Framework Programmes. The project developed mechanically flexible and light-weight electrochromic (EC) film devices based on a conductive polymer nanocomposite technology with a property profile far beyond the current state-of-the art.
We are indeed working on a demonstration line to roll out a possible production process for electrochromic (EC) films, i.e. plastic films that can change colour upon application of a small voltage. Such films can be used to create smart windows for the control of sunlight and glare in buildings and vehicles. This technology is known to have the potential to save substantial amounts of energy for air conditioning. Darkening the film will decrease heat gain in the interior while maintaining the view through the window. The film provides possibilities to retrofit existing windows.
SF fans may recall the polawindows from Frank Herbert's 1972 novel The Godmakers:
...A polawindow looked out onto an oval swimming pool. The glass had been muted to dark blue. This imparted a moonlit appearance to the view outside.
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