Towards An All-Solid-State Smart Window: Electrochromic Coatings And Polymer Ion Conductors

A. M. Andersson; C. G. Granqvist; J. R. Stevens

doi:10.1117/12.949912

6 March 1989 Towards An All-Solid-State Smart Window: Electrochromic Coatings And Polymer Ion Conductors

A. M. Andersson, C. G. Granqvist, J. R. Stevens

Proceedings Volume 1016, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VII; (1989) https://doi.org/10.1117/12.949912
Event: 1988 International Congress on Optical Science and Engineering, 1988, Hamburg, Germany

Abstract

We introduce a laminate two-layer approach to electrochromic smart windows. It incorporates two glass panes, each having a two-layer coating, laminated by a transparent adhesive solid polymer electrolyte. Each coating has a transparent conducting base layer and a top layer of an ion insertion compound. We made ion-insertion layers of W0₃, V₂0₅ and NiO_x by sputtering and evaporation. These layers were characterized by cyclic voltammetry in liquid electrolytes and by spectrophotometry. Our novel electrolyte comprised a methyl methacrylate network incorporating poly (propylene glycol) complexed with lithium perchlorate. Initial optical data are reported for laminated devices having an "active" electrochromic Li_xWO₃ layer and a "passive" Li_xV₂0₅ counter electrode.

Citation Download Citation

A. M. Andersson, C. G. Granqvist, and J. R. Stevens "Towards An All-Solid-State Smart Window: Electrochromic Coatings And Polymer Ion Conductors", Proc. SPIE 1016, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VII, (6 March 1989); https://doi.org/10.1117/12.949912

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