WO3 Applied for Smart Glass Window

WO3, also known as tungsten trioxide or yellow tungsten oxide, can be used to produce a smart glass window. The biggest feature of the obtained tungsten trioxide electrochromic window is that the color is dynamically adapted to the change of illumination, which can achieve the purpose of the most perfect energy conservation and comfort.

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That is to say, the tungsten oxide smart window does not have the disadvantage of Low-E glass – The Low-E glass can reduce the heat transfer coefficient to less than 2.0W/(m•K), and can save energy for the higher reflectivity of far-infrared rays. However, since the energy-saving implementation method is static coating, it cannot dynamically adapt to the illumination changes to achieve maximum energy-saving effects. In 2006, the California Energy Commission found that compared with Low-E glass, in the case of consistent lighting, electrochromic windows can save 19%-26% of peak load by reducing indoor heat radiation, thereby saving 48%-67% of lighting energy consumption.

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