Tungsten trioxide is a typical representative of cathode coloring materials. As an important material of an electrochromic layer of large area electrochromic glass, WO3 can change the transmittance of glass. Specifically, WO3 can change the optical transmittance (reflectance or absorbance) when ions move in or out.
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As you may have known, today, increasing energy demand has become a serious challenge to the development of human society. So, what is urgent in current society? - Reasonably improve energy efficiency and maintain sustainable economic development. While data shows that China's building energy consumption mainly including winter heating and summer cooling accounts for about 40% of the total energy consumption of the whole society. Therefore, it is important to take measure for achieving building energy efficiency. And therefore, at present, what can provide a new solution for energy saving in modern buildings? - Electrochromic technology. It can adjust the visible light transmittance of the glass and the solar radiation energy according to human will. Therefore, the industrialization of large-area electrochromic glass has been put on the agenda.
