Blue tungsten oxide may be prepared into an electrochromic film and thus be applied to an all-solid-state electrochromic smart window, which is an energy-saving glass window with high heat insulation, high heat preservation and high transparency, so it is more and more widely applied in the energy saving reconstruction of building. And therefore, as you may have known, the application of smart windows with electrochromic film as the core will become an inevitable trend.
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However, experts also said that to meet the requirements of large-scale applications, we must do more work on solid-state ionic conductors, device performance, stability and service life. Because the research on electrochromic materials in China started late, and the research on all-solid smart window has just begun. Therefore, in China, experts and scholars engaged in this industry have a sense of urgency, which has also promoted the deeper research and wide application of electrochromic materials in China.