Abstract
This manuscript report on a new lithium electrolyte, allowing the manufacturing of electrochemical systems, such as electrochromic devices, in ambient atmosphere. It is based on lithiumbis-trifluoromethane sulfonimide dissolved in the following hydrophobic salt, which was first prepared by M. Grätzelet al.: 1-ethyl. 3-methyllimidazoliumbis-trifluoromethane sulfonimide. We have also successfully tested the compatibility of this electrolyte with WO3and TiO2-CeO2films acting respectively as efficient electrochromic electrode and counter electrode for smart-window working with Li+ions.
Highlights
Thin film electrochromic (EC) materials (ECM) and electrochromic devices (ECD) present a basis for light modulators and other electrooptic devices [1-11]
Among these hydrophobic ionic liquids we have focused on the following ionic liquids which was first prepared by M
All the measurements were advantageously performed at room temperature in air owing to the hydrophobic character for the lithium electrolyte (The Pt voltage was standardized versus a Li electrode)
Summary
Thin film electrochromic (EC) materials (ECM) and electrochromic devices (ECD) present a basis for light modulators and other electrooptic devices [1-11]. (i) Li +-IC is a hydrophobic electrolyte of high ionic conductivity. New hydrophobic ionic liquids with low melting temperature, low vapor pressure and high conductivity have been investigated: they are based on hydrophobic ions.
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