G - Physics – 02 – F
Patent
G - Physics
02
F
G02F 1/15 (2006.01)
Patent
CA 2113963
An electrochromic glass of a size suitable to be used with advantage in automobile or building applications is made using two sheets of glass 1 and 9 as external walls, two transparent conductor layers 2 and 8, two electrodes 3 and 7 as the system's active elements and an electrolyte polymer 6. The active electrode 3 is made of tungsten oxide, whereas the active electrode 7 is made of vanadium oxide or a suitable mixture of vanadium oxide and molybdenum oxide. The electrolyte polymer 6 is obtained by dissolving lithium perchlorate in a suitable solution of propylene carbonate and polymethylmethacrylate. A suitable reference electrode 10 keeps the system under control. The complex formed as above is capable of rapidly becoming dark or transparent under the action of an electric field.
Robic
Societa Italiana Vetro - Siv - S.p.a.
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