WO3 powder has always been the most fully studied electrochromic material. However, there are still many problems in the preparation and practical application of large-area WO3 electrochromic thin films for assembling a large area electrochromic device. In other words, the production of large-area WO3 electrochromic devices and its promotion of practical applications still have a long way to go.
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However, why should we study electrochromic materials and devices? As you may know, at present, buildings’ energy consumption in China accounts for about one-third of the total energy consumption of the society. And most of the energy is lost through glass doors and glass windows. Therefore, the energy-saving technology of glass doors and windows is a key problem to be solved in building energy conservation. The electrochromic material can dynamically adjust the optical properties. And the smart window formed by applying the electrochromic material to the glass door and window can effectively change the optical performance, thereby achieving the purpose of building energy conservation and environmental protection. Therefore, the research on electrochromic materials and devices has become the top priority of building energy conservation and emission reduction.
