Abstract
An electrochromic window was built using as electrochromic material and as counterelectrode. Both were deposited onto ITO‐coated glass panes by vacuum evaporation and were amorphous to x‐ray diffraction. The electrolyte was a lithium‐conducting polymer consisting of a poly(ethylene oxide)‐lithium salt complex. The electrochemical characterization of electrodes was realized by cyclic voltammetry, coulometric titration, and impedance spectroscopy, which allowed the determination of the chemical diffusion coefficients of lithium into and . Potentiostatic cycling of the complete transmissive cell yields to a transmission variation from 41 to 13% at 633 nm with a response time of 10s at room temperature.
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