Hydrated tungsten trioxide can be applied to smart window with good heat insulating property. So, smart glass using nano particle size tungsten trioxide as cathode electrochromic material has a very wide application prospect in the field of smart home, which can be seen from the photos in the figure below.
More details, please visit:
http://www.tungsten-powder.com/tungsten-oxide.html
In the figure, (a) and (b) are photographs of the electrochromic device at bleached state and colored state, respectively, and (c) is the taken through the normal glass window. It can be seen that the WO3 electrochromic device maintains a very good field of view in the colored and bleached states compared to conventional glass windows.
In addition, the experts indicated that the coloring time and bleached time of the tungsten trioxide heat insulation film prepared by electrodeposition method were faster than those of the film prepared by hydrothermal method. The main reason for this is that the hydrated WO3 has been activated by protons during the electrodeposition process. And there are enough ion diffusion channels. So, the response time is greatly improved.
