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Citation: Yang Xinhe, Li Changjiang, Shen Gonglie. Polymeric Gel Electrolyte and Its Application to Electrochromic Smart Window[J]. Chinese Journal of Applied Chemistry, ;1997, 14(5): 59-62. shu

Polymeric Gel Electrolyte and Its Application to Electrochromic Smart Window

1.
1. Beijing University of Chemical Technology, Beijing 100029;
2.
2. Institute of Electronics, Chinese Academy of Sciences, Beijing 100029

Received Date: 22 January 1997
Available Online: 2 July 1997

The ionic conductivity, conduction mechanism and application to electrochromic Smart windows of polymeric gel electrolyte LiClO₄-propylene carbonate-polymethyl methacrylate(LiClO₄-PC-PMMA) have been investigated. The ionic conductivity as a function of temperature followed the empirical Vogel-Tammann-Fulcher equation and depended on the weight content and T_g of PMMA, and concentration of LiClO₄. The electrolyte had a good adhesivity, good transparency and high ionic conductivity at room temperature (e=8.75×10^-4 S/cm), when concentration of LiClO₄ was 0.5 mol/L and weight percentage of PMMA was 35%. The assembled electrochromic Smart window had good spectral behavour, at 633.3 nm its optical modulation was 40%~60%. Its optical switching time only 5 s.
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