Yellow tungsten oxide can be used to prepare an electrochromic film for the production of an electrochromic glass. The obtained smart glass is an energy-saving glass that can dynamically control the transmittance of heat radiation in different bands according to the geographical location of the area, the angle of the sun, the change of seasons and the needs of the indoor activity staff, while enhancing the comfort of the indoor environment.
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It is reported that a US-based electrochromic energy-saving window manufacturer established in 1989 successfully prepared its first electrochromic energy-saving window in 2003 after 14 years of research and development, and began mass production in 2006. And its smart glass began to be used in construction. In 2012, a French company acquired it and built the world's largest electrochromic glass factory in Minnesota. In 2013, it began to mass-produce large-area electrochromic glasses by magnetron sputtering coating technology, and became the fastest-growing enterprise in the global industrialization of electrochromic window.
